C\u00e1ch \u0111\u1ea5u d\u00e2y b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng: T\u00edn hi\u1ec7u A\/B\/Z, c\u00e1c lo\u1ea1i \u0111\u1ea7u ra v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng<\/title>\n<\/head>\n<body>\n\n<div class=\"bd-post\">\n<style>\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Manrope:wght@400;600;700&family=Roboto:wght@600;700&display=swap');\n\n.bd-post {\n \/* fonts & system palette \u2014 brand header verbatim values *\/\n font-family: \"Manrope\", sans-serif;\n font-size: 16px;\n font-weight: 400;\n line-height: 1.6;\n color: var(--text-primary);\n background: var(--body-bg);\n --text-primary: #333333;\n --accent: #479DE2;\n --accent-hot: #FD9649;\n --inverse-bg: #1E1E1E;\n --inverse-text: #FFFFFF;\n --panel-fill: #FAFAFA;\n \/* plan tokens (single source = design-plan palette) *\/\n --heading-ink: #000000;\n --accent-deep: #2A76B4;\n --accent-hot-deep: #E07E2E;\n --warn-deep: #B04A16;\n --inverse-text-2: #C9C9C9;\n --card-tint: #F5F9FD;\n --card-tint-border: #D9E3F0;\n --panel-border: #E0E0E0;\n --warn-fill: #FFF6EF;\n --warn-border: #EFD9C7;\n --badge-fill: #6E6E6E;\n --navy: #0D3972;\n --card-accent: #2A76B4;\n --panel-text: #333333;\n --warn-text: #333333;\n --btn-ink: #1E1E1E;\n \/* fixed prose standard *\/\n --prose-width: 720px;\n --gap-normal: 32px;\n --gap-section: 48px;\n --pad-standard: 24px;\n padding: 40px;\n max-width: 100%;\n box-sizing: border-box;\n}\n.bd-post a { overflow-wrap: anywhere; word-break: break-word; }\n.bd-post p, .bd-post li { overflow-wrap: break-word; }\n.bd-post [class*=\"bp-\"], .bd-post .rich-callout, .bd-post .rich-checklist, .bd-post .table-wrapper { box-sizing: border-box; }\n.bd-post .bd-post-article { max-width: var(--prose-width); margin: 0 auto; }\n\n\/* PROSE \u2014 fixed standard *\/\n.bd-post p { margin: 0 0 1em; }\n.bd-post h2 { font-family: \"Roboto\", sans-serif; font-weight: 700; font-size: 34px; line-height: 1.2; color: var(--heading-ink); margin: 48px 0 16px; }\n.bd-post h3 { font-family: \"Roboto\", sans-serif; font-weight: 700; font-size: 24px; line-height: 1.25; color: var(--heading-ink); margin: 32px 0 12px; }\n.bd-post ul, .bd-post ol { margin: 0 0 1em; padding-left: 1.5em; }\n.bd-post li { margin-bottom: 0.5em; }\n.bd-post strong { font-weight: 700; }\n\n\/* links \u2014 permit-list forms only *\/\n.bd-post p a, .bd-post li a, .bd-post blockquote a, .bd-post td a { color: var(--accent-deep); text-decoration: underline; text-underline-offset: 3px; }\n\n\/* BP outer margins & paddings \u2014 explicit classes only *\/\n.bd-post .bd-post-article > .bp-hook-card, .bd-post .bd-post-article > .rich-callout, .bd-post .bd-post-article > .rich-checklist { margin: var(--gap-normal) 0; }\n.bd-post .bd-post-article > .bp-cta-mid, .bd-post .bd-post-article > .bp-cta-end, .bd-post .bd-post-article > .table-wrapper { margin: var(--gap-section) 0; }\n\n\/* ===== BP-1 signature (memory hook) ===== *\/\n.bp-hook-card { background: var(--inverse-bg); border-radius: 8px; padding: var(--pad-standard); }\n.bp-hook-title { font-family: \"Roboto\", sans-serif; font-weight: 700; font-size: 25px; line-height: 1.25; color: var(--inverse-text); margin: 0 0 16px; }\n.bp-hook-icon { display: inline-flex; vertical-align: -0.2em; margin-right: 8px; color: var(--accent); }\n.bp-hook-icon svg { width: 24px; height: 24px; }\n.bp-hook-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 12px; }\n.bp-hook-chip { background: var(--badge-fill); color: var(--inverse-text); font-weight: 600; font-size: 13px; padding: 4px 10px; border-radius: 999px; }\n.bp-hook-caption { font-size: 13px; color: var(--inverse-text-2); margin: 0; }\n\n\/* ===== mid CTA ===== *\/\n.bp-cta-mid { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: var(--pad-standard); background: var(--panel-fill); border: 1px solid var(--panel-border); border-radius: 8px; }\n.bp-cta-mid-text { flex: 1 1 320px; color: var(--panel-text); margin: 0; }\n.bp-cta-mid-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 999px; font-weight: 600; font-size: 15px; text-decoration: none; background: var(--accent-hot); color: var(--btn-ink); }\n.bp-cta-mid-btn svg { width: 16px; height: 16px; }\n\n\/* ===== end CTA ===== *\/\n.bp-cta-end { display: flex; flex-direction: column; align-items: stretch; gap: 20px; padding: 32px; background: var(--inverse-bg); border-radius: 8px; }\n.bp-cta-end-body { display: flex; flex-direction: column; gap: 12px; width: 100%; }\n.bp-cta-end-title { font-family: \"Roboto\", sans-serif; font-weight: 700; font-size: 26px; line-height: 1.25; color: var(--inverse-text); margin: 0; white-space: nowrap; }\n.bp-cta-end-sub { font-size: 16px; line-height: 1.6; color: var(--inverse-text-2); margin: 0; }\n.bp-cta-end-btn { align-self: center; display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 999px; font-weight: 600; font-size: 16px; text-decoration: none; background: var(--accent-hot); color: var(--btn-ink); }\n.bp-cta-end-btn svg { width: 16px; height: 16px; }\n\n\/* ===== rich elements ===== *\/\n.rich-callout { display: flex; align-items: flex-start; gap: 12px; padding: var(--pad-standard); background: var(--warn-fill); border: 1px solid var(--warn-border); border-left: 3px solid var(--warn-deep); border-radius: 8px; }\n.rich-callout-icon { flex: 0 0 auto; display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; color: var(--warn-deep); }\n.rich-callout-icon svg { width: 24px; height: 24px; }\n.rich-callout-text { color: var(--warn-text); margin: 0; }\n\n.rich-checklist { background: var(--card-tint); border: 1px solid var(--card-tint-border); border-radius: 8px; padding: var(--pad-standard); }\n.rich-checklist-title { font-family: \"Roboto\", sans-serif; font-weight: 700; font-size: 18px; line-height: 1.3; color: var(--heading-ink); margin: 0 0 14px; }\n.rich-checklist-icon { display: inline-flex; vertical-align: -0.2em; margin-right: 8px; color: var(--card-accent); }\n.rich-checklist-icon svg { width: 20px; height: 20px; }\n.rich-checklist-list { list-style: none; margin: 0; padding: 0; }\n.rich-checklist-list li { display: flex; align-items: flex-start; gap: 10px; margin: 0 0 10px; }\n.rich-checklist-list li:last-child { margin-bottom: 0; }\n.rich-checklist-check { flex: 0 0 auto; width: 20px; height: 20px; margin-top: 2px; color: var(--card-accent); }\n.rich-checklist-check svg { width: 20px; height: 20px; }\n\n\/* ===== tables ===== *\/\n.table-wrapper { overflow-x: auto; }\n.rich-table { width: 100%; border-collapse: collapse; font-size: 15px; }\n.rich-table th { font-family: \"Roboto\", sans-serif; font-weight: 700; font-size: 15px; color: var(--text-primary); text-align: left; padding: 10px 12px; border-bottom: 2px solid var(--accent-deep); }\n.rich-table td { font-size: 15px; color: var(--text-primary); padding: 10px 12px; border-bottom: 1px solid var(--panel-border); vertical-align: top; }\n.rich-table td:first-child { font-weight: 600; }\n.rich-table tbody tr:last-child td { border-bottom: 1px solid var(--panel-border); }\n\n\/* ===== motion ===== *\/\n@media (prefers-reduced-motion: no-preference) {\n .bd-post p a, .bd-post li a { transition: color .2s ease-out, text-decoration-color .2s ease-out; }\n .bd-post p a:hover, .bd-post li a:hover { color: var(--navy); }\n .bp-cta-mid-btn, .bp-cta-end-btn { transition: background-color .2s ease-out, transform .2s ease-out; }\n .bp-cta-mid-btn:hover, .bp-cta-end-btn:hover { background: var(--accent-hot-deep); color: var(--btn-ink); transform: translateY(-2px); }\n}\n\/* CTA static states outside the motion gate (hover colors must exist regardless of JS\/reduced-motion preference in style terms; bg swap is a state, not motion) *\/\n.bp-cta-mid-btn:hover, .bp-cta-end-btn:hover { background: var(--accent-hot-deep); color: var(--btn-ink); }\n\n\/* ===== table row hover: first column to accent-deep (no background paint) ===== *\/\n.rich-table tbody tr:hover td:first-child { color: var(--accent-deep); }\n\n@media (max-width: 767px) {\n .bd-post { padding: 16px; }\n .bd-post h2 { font-size: 26px; margin-top: 32px; }\n .bd-post h3 { font-size: 20px; margin-top: 24px; }\n .bp-hook-title { font-size: 20px; }\n .bp-cta-end-title { font-size: 24px; }\n .bp-cta-end { gap: 16px; }\n .bp-cta-end-title { white-space: normal; }\n .bp-cta-end-btn { align-self: flex-start; margin-top: 4px; }\n}\n<\/style>\n<article class=\"bd-post-article\">\n\n<p>M\u00e1y \u0111ang ch\u1ea1y, \u0111\u1ed9ng c\u01a1 quay, nh\u01b0ng \u0111\u1ed3ng h\u1ed3 \u0111\u1ebfm tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n l\u1ea1i kh\u00f4ng hi\u1ec3n th\u1ecb g\u00ec. Ho\u1eb7c n\u00f3 \u0111\u1ebfm sai chi\u1ec1u. Ho\u1eb7c b\u1ed9 m\u00e3 h\u00f3a thay th\u1ebf b\u1ed1c kh\u00f3i ngay khi b\u1eadt ngu\u1ed3n. Trong t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p n\u00e0y, d\u00e2y d\u1eabn th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 nguy\u00ean nh\u00e2n. L\u1ed7i xu\u1ea5t ph\u00e1t t\u1eeb s\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1ec1 giao di\u1ec7n \u0111i\u1ec7n: m\u1ea1ch \u0111\u1ea7u ra sai, \u0111i\u1ec7n \u00e1p ngu\u1ed3n kh\u00f4ng \u0111\u00fang, ho\u1eb7c \u0111\u1ea7u ra kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi \u0111\u1ea7u v\u00e0o m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch \u0111\u1ea5u d\u00e2y cho b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng b\u1eaft \u0111\u1ea7u t\u1eeb c\u00e1c t\u00edn hi\u1ec7u, sau \u0111\u00f3 tr\u00ecnh b\u00e0y n\u0103m th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quy\u1ebft \u0111\u1ecbnh li\u1ec7u b\u1ed9 m\u00e3 h\u00f3a thay th\u1ebf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ea5u d\u00e2y th\u00e0nh c\u00f4ng ngay t\u1eeb l\u1ea7n th\u1eed \u0111\u1ea7u ti\u00ean hay kh\u00f4ng.<\/p>\n\n <img decoding=\"async\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/09\/Incremental-Encoder.webp\" style=\"width: 512px; height: 384px; max-width: 100%; object-fit: cover; border-radius: 12px; margin: 30px auto; display: block; box-shadow: 10px 10px 60px 0px rgba(210, 221, 224, 0.35); transition: all 0.3s ease; cursor: pointer;\" onmouseover=\"this.style.transform='translateY(-5px) scale(1.03)'; this.style.boxShadow='15px 25px 80px 0px rgba(210, 221, 224, 0.45)'\" onmouseout=\"this.style.transform='translateY(0) scale(1)'; this.style.boxShadow='10px 10px 60px 0px rgba(210, 221, 224, 0.35)'\">\n\n<h2>T\u00edn hi\u1ec7u b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng l\u00e0 g\u00ec: Gi\u1ea3i th\u00edch v\u1ec1 c\u00e1c d\u00e2y A, B v\u00e0 Z<\/h2>\n\n<p>B\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng kh\u00f4ng b\u00e1o v\u1ecb tr\u00ed. Thi\u1ebft b\u1ecb n\u00e0y ph\u00e1t ra m\u1ed9t lu\u1ed3ng xung, m\u1ed7i \u0111\u01a1n v\u1ecb chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a tr\u1ee5c t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t c\u1ea1nh xung, v\u00e0 b\u1ed9 \u0111\u1ebfm s\u1ebd t\u00e1i t\u1ea1o t\u1ed1c \u0111\u1ed9, h\u01b0\u1edbng v\u00e0 v\u1ecb tr\u00ed t\u01b0\u01a1ng \u0111\u1ed1i b\u1eb1ng c\u00e1ch \u0111\u1ebfm c\u00e1c xung n\u00e0y. \u0110\u00f3 ch\u00ednh l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t duy nh\u1ea5t so v\u1edbi b\u1ed9 m\u00e3 h\u00f3a tuy\u1ec7t \u0111\u1ed1i, v\u1ed1n c\u00f3 kh\u1ea3 n\u0103ng ghi nh\u1edb v\u1ecb tr\u00ed c\u1ee7a m\u00ecnh sau khi m\u1ea5t \u0111i\u1ec7n. H\u1ec7 th\u1ed1ng gia t\u0103ng ph\u1ea3i x\u00e1c \u0111\u1ecbnh l\u1ea1i \u0111i\u1ec3m tham chi\u1ebfu (th\u01b0\u1eddng l\u00e0 b\u1eb1ng xung Z) m\u1ed7i khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i.<\/p>\n\n<p>C\u00f3 ba t\u00edn hi\u1ec7u quan tr\u1ecdng trong vi\u1ec7c n\u1ed1i d\u00e2y b\u1ed9 m\u00e3 h\u00f3a gia s\u1ed1:<\/p>\n\n<ul>\n<li><strong>K\u00eanh A<\/strong> v\u00e0 <strong>K\u00eanh B<\/strong> l\u00e0 c\u00e1c chu\u1ed7i xung s\u00f3ng vu\u00f4ng, l\u1ec7ch pha 90 \u0111\u1ed9 \u0111i\u1ec7n. Ch\u1ec9 c\u1ea7n \u0111\u1ebfm xung A l\u00e0 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9. N\u1ebfu \u0111\u1ebfm c\u1ea3 A v\u00e0 B c\u00f9ng l\u00fac (ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ebfm vu\u00f4ng g\u00f3c), m\u1ed1i quan h\u1ec7 pha s\u1ebd cho bi\u1ebft h\u01b0\u1edbng quay: n\u1ebfu A \u0111i tr\u01b0\u1edbc B trong m\u1ed9t h\u01b0\u1edbng quay, th\u00ec B s\u1ebd \u0111i tr\u01b0\u1edbc A trong h\u01b0\u1edbng quay ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n<li><strong>K\u00eanh Z<\/strong> ph\u00e1t ra m\u1ed9t xung cho m\u1ed7i v\u00f2ng quay. \u0110\u00e2y ch\u00ednh l\u00e0 ch\u1ec9 s\u1ed1, t\u1ee9c l\u00e0 d\u1ea5u hi\u1ec7u \u201c\u0111\u00e2y l\u00e0 \u0111i\u1ec3m \u0111\u1ec9nh c\u1ee7a v\u00f2ng quay\u201d, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb ban \u0111\u1ea7u v\u00e0 \u0111\u1ec3 x\u00e1c minh r\u1eb1ng kh\u00f4ng c\u00f3 xung n\u00e0o b\u1ecb m\u1ea5t.<\/li>\n<li><strong>PPR<\/strong> (s\u1ed1 xung tr\u00ean m\u1ed7i v\u00f2ng quay) l\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i. C\u00e1c gi\u00e1 tr\u1ecb th\u00f4ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p dao \u0111\u1ed9ng t\u1eeb v\u00e0i ch\u1ee5c \u0111\u1ebfn h\u01a1n m\u1ed9t ngh\u00ecn xung tr\u00ean m\u1ed7i v\u00f2ng quay. S\u1ed1 xung tr\u00ean m\u1ed7i v\u00f2ng quay c\u00e0ng cao th\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111o l\u01b0\u1eddng c\u00e0ng cao, nh\u01b0ng t\u1ea7n s\u1ed1 \u0111\u1ea7u ra c\u0169ng s\u1ebd cao h\u01a1n \u1edf c\u00f9ng m\u1ed9t t\u1ed1c \u0111\u1ed9 tr\u1ee5c.<\/li>\n<\/ul>\n\n<p>Tr\u01b0\u1edbc khi \u0111i s\u00e2u h\u01a1n, c\u1ea7n l\u01b0u \u00fd m\u1ed9t \u0111i\u1ec3m nh\u1ea7m l\u1eabn v\u1ec1 thu\u1eadt ng\u1eef. \u201cB\u1ed9 m\u00e3 h\u00f3a t\u0103ng d\u1ea7n\u201d m\u00e0 c\u00e1c nh\u00e0 \u0111am m\u00ea th\u01b0\u1eddng k\u1ebft n\u1ed1i v\u1edbi vi \u0111i\u1ec1u khi\u1ec3n (n\u00fat xoay c\u00f3 ch\u1ed1t c\u1ed1 \u0111\u1ecbnh tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n) th\u1ef1c ch\u1ea5t l\u00e0 m\u1ed9t c\u00f4ng t\u1eafc ti\u1ebfp \u0111i\u1ec3m c\u01a1 h\u1ecdc kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n. Trong khi \u0111\u00f3, c\u00e1c b\u1ed9 m\u00e3 h\u00f3a c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong b\u00e0i vi\u1ebft n\u00e0y l\u00e0 c\u00e1c thi\u1ebft b\u1ecb c\u00f3 ngu\u1ed3n \u0111i\u1ec7n (5\u201324 V DC) v\u00e0 ph\u00e1t ra t\u00edn hi\u1ec7u s\u1ed1 A\/B\/Z th\u1ef1c s\u1ef1; c\u00e1c quy t\u1eafc k\u1ebft n\u1ed1i gi\u1eefa hai lo\u1ea1i n\u00e0y kh\u00f4ng th\u1ec3 \u00e1p d\u1ee5ng l\u1eabn nhau.<\/p>\n\n<h2>N\u0103m lo\u1ea1i \u0111\u1ea7u ra c\u1ee7a b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng \u2014 v\u00e0 c\u00e1ch \u0111\u1ecdc ch\u00fang tr\u00ean b\u1ea3ng hi\u1ec7u k\u1ef9 thu\u1eadt<\/h2>\n\n<p>M\u1ecdi nh\u00e0 s\u1ea3n xu\u1ea5t b\u1ed9 m\u00e3 h\u00f3a \u0111\u1ec1u b\u00e1n nh\u1eefng thi\u1ebft b\u1ecb tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau nh\u01b0ng c\u00f3 nhi\u1ec1u phi\u00ean b\u1ea3n kh\u00e1c nhau v\u1ec1 th\u00f4ng s\u1ed1 \u0111i\u1ec7n. N\u1ec1n t\u1ea3ng c\u01a1 kh\u00ed, tr\u1ee5c, v\u1ecf, th\u1eadm ch\u00ed c\u1ea3 thang \u0111\u1ed9 ph\u00e2n gi\u1ea3i, \u0111\u1ec1u c\u00f3 th\u1ec3 gi\u1ed1ng h\u1ec7t nhau gi\u1eefa c\u00e1c phi\u00ean b\u1ea3n. \u0110i\u1ec1u thay \u0111\u1ed5i l\u00e0 <strong>m\u1ea1ch \u0111\u1ea7u ra<\/strong>, m\u1ea1ch b\u00ean trong b\u1ed9 m\u00e3 h\u00f3a c\u00f3 ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n c\u00e1c d\u00e2y t\u00edn hi\u1ec7u. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t trong vi\u1ec7c n\u1ed1i d\u00e2y b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng: m\u1ea1ch \u0111\u1ea7u ra quy\u1ebft \u0111\u1ecbnh b\u1ed9 \u0111\u1ebfm n\u00e0o m\u00e0 b\u1ed9 m\u00e3 h\u00f3a c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n, v\u00e0 th\u00f4ng tin n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c ghi trong ph\u1ea7n h\u1eadu t\u1ed1 c\u1ee7a t\u00ean m\u1eabu.<\/p>\n\n<div class=\"table-wrapper\"><table class=\"rich-table\">\n<thead><tr><th>M\u1ea1ch \u0111\u1ea7u ra<\/th><th>Ch\u1ee9c n\u0103ng \u0111i\u1ec7n c\u1ee7a n\u00f3 l\u00e0 g\u00ec<\/th><th>Ngu\u1ed3n cung th\u00f4ng th\u01b0\u1eddng<\/th><th>N\u01a1i b\u1ea1n g\u1eb7p n\u00f3<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u0110i\u1ec7n \u00e1p \u0111\u1ea7u ra<\/td><td>C\u1ea5p NPN c\u00f3 \u0111i\u1ec7n tr\u1edf n\u1ed1i ti\u1ebfp t\u00edch h\u1ee3p (~2 k\u03a9); dao \u0111\u1ed9ng t\u1eeb tr\u1ea1ng th\u00e1i tr\u1edf kh\u00e1ng cao \u0111\u1ebfn m\u1ea1ch \u0111\u1ea5t<\/td><td>5\u201312 V DC<\/td><td>D\u00e2y c\u00e1p ng\u1eafn k\u1ebft n\u1ed1i v\u1edbi c\u00e1c \u0111\u1ea7u v\u00e0o c\u00f3 tr\u1edf kh\u00e1ng cao; phi\u00ean b\u1ea3n c\u0169 c\u00f3 gi\u00e1 r\u1ebb nh\u1ea5t<\/td><\/tr>\n<tr><td>NPN c\u1ef1c thu m\u1edf<\/td><td>Khi \u0111ang ho\u1ea1t \u0111\u1ed9ng, m\u1ea1ch s\u1ebd d\u1eabn d\u00f2ng \u0111i\u1ec7n v\u1ec1 \u0111\u1ea5t; c\u1ea7n c\u00f3 ngu\u1ed3n c\u1ea5p d\u00f2ng ho\u1eb7c m\u1ed9t \u0111i\u1ec7n tr\u1edf k\u00e9o l\u00ean b\u00ean ngo\u00e0i n\u1ed1i v\u1edbi ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n c\u1ee7a b\u1ea1n<\/td><td>5\u201324 V DC<\/td><td>Lo\u1ea1i b\u1ed9 m\u00e3 h\u00f3a ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean th\u1ecb tr\u01b0\u1eddng ph\u1ee5 t\u00f9ng thay th\u1ebf cho m\u00e1y m\u00f3c, phi\u00ean b\u1ea3n \u201cc\u00f4ng c\u1ee5 ch\u1ee7 l\u1ef1c\u201d<\/td><\/tr>\n<tr><td>PNP c\u1ef1c thu m\u1edf<\/td><td>Khi \u0111ang ho\u1ea1t \u0111\u1ed9ng, ngu\u1ed3n s\u1ebd l\u1ea5y d\u00f2ng \u0111i\u1ec7n t\u1eeb ngu\u1ed3n c\u1ea5p c\u1ee7a n\u00f3; c\u1ea7n c\u00f3 d\u00f2ng \u0111i\u1ec7n v\u00e0o \u00e2m<\/td><td>12\u201324 V DC<\/td><td>C\u00e1c m\u00e1y \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c \u0111\u1ea7u v\u00e0o PLC ki\u1ec3u ch\u00ecm theo ti\u00eau chu\u1ea9n ch\u00e2u \u00c2u<\/td><\/tr>\n<tr><td>B\u1ed5 sung (ki\u1ec3u \u0111\u1ea9y-k\u00e9o)<\/td><td>Ch\u1ee9a c\u1ea3 c\u00e1c c\u1ea5p NPN v\u00e0 PNP, c\u1ef1c h\u00fat v\u00e0 c\u1ef1c ngu\u1ed3n, do \u0111\u00f3 c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u1ea3 hai lo\u1ea1i \u0111\u1ea7u v\u00e0o<\/td><td>12\u201324 V DC<\/td><td>\u0110\u01b0\u1ee3c \u01b0u ti\u00ean s\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p m\u1ed9t linh ki\u1ec7n d\u1ef1 ph\u00f2ng ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1ea7u v\u00e0o ch\u01b0a bi\u1ebft; \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c \u0111o\u1ea1n d\u00e2y \u0111\u01a1n \u0111\u1ea7u d\u00e0i h\u01a1n<\/td><\/tr>\n<tr><td>B\u1ed9 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u0111\u01b0\u1eddng truy\u1ec1n (RS422)<\/td><td>\u0110\u1ea7u ra vi sai: A v\u00e0 \/A, B v\u00e0 \/B (th\u01b0\u1eddng l\u00e0 Z v\u00e0 \/Z), \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi chip RS422<\/td><td>5 V DC (\u00b15%)<\/td><td>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n servo v\u00e0 c\u00e1c \u0111o\u1ea1n c\u00e1p d\u00e0i, g\u00e2y \u1ed3n; gi\u1ea3i ph\u00e1p mang l\u1ea1i hi\u1ec7u su\u1ea5t cao nh\u1ea5t<\/td><\/tr>\n<\/tbody>\n<\/table><\/div>\n\n<p>Trong d\u00f2ng s\u1ea3n ph\u1ea9m b\u1ed9 m\u00e3 h\u00f3a t\u0103ng d\u1ea7n \u2013 v\u1ed1n chi\u1ebfm \u01b0u th\u1ebf trong l\u0129nh v\u1ef1c s\u1eeda ch\u1eefa m\u00e1y m\u00f3c \u2013 danh s\u00e1ch \u0111\u1ed9 ph\u00e2n gi\u1ea3i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng chung cho c\u1ea3 n\u0103m bi\u1ebfn th\u1ec3. Ch\u1ec9 c\u1ea7n xem h\u1eadu t\u1ed1 l\u00e0 b\u1ea1n \u0111\u00e3 bi\u1ebft \u0111\u01b0\u1ee3c m\u1ea1ch \u0111\u1ea7u ra v\u00e0 \u0111i\u1ec7n \u00e1p ngu\u1ed3n ngay c\u1ea3 tr\u01b0\u1edbc khi m\u1edf v\u1ecf thi\u1ebft b\u1ecb.<\/p>\n\n<h3>\u0110i\u1ec7n \u00e1p ngu\u1ed3n: c\u00e1c d\u00f2ng 5 V v\u00e0 12\u201324 V kh\u00f4ng th\u1ec3 thay th\u1ebf l\u1eabn nhau<\/h3>\n\n<p>Ngu\u1ed3n \u0111i\u1ec7n cho b\u1ed9 m\u00e3 h\u00f3a \u0111\u01b0\u1ee3c chia th\u00e0nh ba d\u1ea3i \u0111i\u1ec7n \u00e1p ch\u00ednh: 5 V DC (h\u1ea7u nh\u01b0 lu\u00f4n thu\u1ed9c d\u00f2ng RS422\/b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u01b0\u1eddng truy\u1ec1n), 5\u201312 V v\u00e0 12\u201324 V DC (d\u1ea3i \u0111i\u1ec7n \u00e1p ch\u1ee7 y\u1ebfu trong c\u00f4ng nghi\u1ec7p). C\u00f3 hai quy t\u1eafc quan tr\u1ecdng h\u01a1n b\u1ea5t k\u1ef3 s\u01a1 \u0111\u1ed3 n\u1ed1i d\u00e2y n\u00e0o:<\/p>\n\n<ol>\n<li><strong>Kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n cho b\u1ed9 m\u00e3 h\u00f3a 12\u201324 V t\u1eeb, ho\u1eb7c k\u1ebft n\u1ed1i b\u1ed9 m\u00e3 h\u00f3a n\u00e0y v\u00e0o, m\u1ed9t m\u1ea1ch 5 V<\/strong>, v\u00e0 m\u1ed9t b\u1ed9 m\u00e3 h\u00f3a 5 V \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n t\u1eeb ngu\u1ed3n 24 V c\u00f3 th\u1ec3 h\u1ecfng ngay l\u1eadp t\u1ee9c. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t in c\u1ea3nh b\u00e1o n\u00e0y trong b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt; h\u00e3y hi\u1ec3u theo \u0111\u00fang ngh\u0129a \u0111en.<\/li>\n<li>D\u00e2y 0 V c\u1ee7a b\u1ed9 m\u00e3 h\u00f3a ph\u1ea3i \u0111\u01b0\u1ee3c n\u1ed1i chung v\u1edbi c\u00f9ng m\u1ed9t \u0111i\u1ec3m chung v\u1edbi \u0111\u1ea7u v\u00e0o b\u1ed9 \u0111\u1ebfm v\u00e0 ngu\u1ed3n c\u1ea5p. N\u1ebfu \u0111i\u1ec3m chung b\u1ecb n\u1ed5i ho\u1eb7c \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t k\u00e9p, s\u1ebd d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ebfm kh\u00f4ng li\u00ean t\u1ee5c, tr\u00f4ng gi\u1ed1ng nh\u01b0 l\u1ed7i c\u1ee7a b\u1ed9 m\u00e3 h\u00f3a.<\/li>\n<\/ol>\n\n<h3>M\u00e0u d\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 ti\u00eau chu\u1ea9n \u2014 h\u00e3y \u0111\u1ecdc b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ph\u1ea7n h\u1eadu t\u1ed1<\/h3>\n\n<p>Kh\u00f4ng c\u00f3 m\u00e3 m\u00e0u chung cho b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng. M\u1ed7i nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec1u c\u00f4ng b\u1ed1 b\u1ea3ng m\u00e3 m\u00e0u ri\u00eang c\u1ee7a m\u00ecnh: m\u1ed9t danh m\u1ee5c s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00e2u \u00c2u g\u00e1n c\u00e1c m\u00e0u tr\u1eafng, n\u00e2u, xanh l\u00e1, v\u00e0ng, x\u00e1m, h\u1ed3ng, xanh d\u01b0\u01a1ng, \u0111\u1ecf, c\u00f9ng v\u1edbi d\u00e2y ch\u1eafn, cho \u0111\u1ea7u n\u1ed1i 12 ch\u00e2n c\u1ee7a h\u1ecd; trong khi \u0111\u00f3, b\u1ea3ng m\u00e3 m\u00e0u cho \u0111\u1ea7u n\u1ed1i 8 ch\u00e2n ki\u1ec3u \u0111\u01a1n \u0111\u1ea7u c\u1ee7a m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t M\u1ef9 l\u1ea1i kh\u00e1c bi\u1ec7t ho\u00e0n to\u00e0n. Hai b\u1ed9 m\u00e3 h\u00f3a c\u00f3 m\u00e0u d\u00e2y gi\u1ed1ng h\u1ec7t nhau c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u1ed1i d\u00e2y ho\u00e0n to\u00e0n kh\u00e1c nhau. N\u1ebfu d\u00e2y c\u00e1p b\u1ecb c\u1eaft, nh\u00e3n b\u1ecb m\u1ea5t ho\u1eb7c b\u1ea1n \u0111ang thay \u0111\u1ed5i th\u01b0\u01a1ng hi\u1ec7u, \u0111\u00e2y l\u00e0 th\u1ee9 t\u1ef1 \u0111\u00e1ng tin c\u1eady:<\/p>\n\n<ol>\n<li>H\u00e3y \u0111\u1ecdc th\u00f4ng tin tr\u00ean nh\u00e3n hi\u1ec7u. Th\u00f4ng tin v\u1ec1 m\u1ea1ch \u0111\u1ea7u ra v\u00e0 \u0111i\u1ec7n \u00e1p ngu\u1ed3n th\u01b0\u1eddng \u0111\u01b0\u1ee3c in s\u1eb5n ho\u1eb7c \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a trong s\u1ed1 hi\u1ec7u model.<\/li>\n<li>Gi\u1ea3i m\u00e3 h\u1eadu t\u1ed1 c\u1ee7a m\u1eabu s\u1ea3n ph\u1ea9m d\u1ef1a tr\u00ean b\u1ea3ng th\u00f4ng tin c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t (nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng b\u1ed1 b\u1ea3ng gi\u1ea3i m\u00e3 \u0111\u1ea7y \u0111\u1ee7 trong b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ho\u1eb7c h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t).<\/li>\n<li>Ch\u1ec9 khi \u0111\u00f3, b\u1ea1n m\u1edbi n\u00ean tra c\u1ee9u b\u1ea3ng m\u00e0u ho\u1eb7c s\u01a1 \u0111\u1ed3 ch\u00e2n c\u1eafm c\u1ee7a ch\u00ednh m\u1eabu s\u1ea3n ph\u1ea9m \u0111\u00f3.<\/li>\n<\/ol>\n\n<div class=\"rich-callout\">\n<span class=\"rich-callout-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3\"\/><path d=\"M12 9v4\"\/><path d=\"M12 17h.01\"\/><\/svg><\/span>\n<p class=\"rich-callout-text\">M\u00e0u d\u00e2y \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh theo t\u1eebng b\u1ea3ng d\u1eef li\u1ec7u, kh\u00f4ng ph\u1ea3i theo ti\u00eau chu\u1ea9n ng\u00e0nh. Hai b\u1ed9 m\u00e3 h\u00f3a c\u00f3 c\u00f9ng m\u00e0u d\u00e2y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u1ed1i d\u00e2y theo c\u00e1ch kh\u00e1c nhau. H\u00e3y ki\u1ec3m tra s\u1ed1 model tr\u01b0\u1edbc khi d\u1ef1a v\u00e0o m\u00e0u d\u00e2y.<\/p>\n<\/div>\n\n<p>M\u1ed9t tr\u01b0\u1eddng h\u1ee3p \u0111\u1ee9t c\u00e1p th\u1ef1c t\u1ebf \u0111\u00e3 minh h\u1ecda r\u00f5 \u0111i\u1ec1u n\u00e0y: m\u1ed9t k\u1ef9 thu\u1eadt vi\u00ean s\u1eed d\u1ee5ng b\u1ed9 m\u00e3 h\u00f3a 8 d\u00e2y kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c \u0111\u00e3 \u0111\u0103ng \u1ea3nh l\u00ean di\u1ec5n \u0111\u00e0n v\u00e0 h\u1ecfi d\u00e2y n\u00e0o t\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u00edn hi\u1ec7u n\u00e0o. M\u1ecdi ng\u01b0\u1eddi trong di\u1ec5n \u0111\u00e0n ch\u1ec9 c\u00f3 th\u1ec3 tr\u1ea3 l\u1eddi sau khi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c s\u1ed1 model v\u00e0 tra c\u1ee9u b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a s\u1ea3n ph\u1ea9m. S\u1ed1 model, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u00e0u s\u1eafc, m\u1edbi l\u00e0 ch\u00eca kh\u00f3a.<\/p>\n\n\n<div class=\"bp-hook-card\">\n<p class=\"bp-hook-title\"><span class=\"bp-hook-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M12.586 2.586A2 2 0 0 0 11.172 2H4a2 2 0 0 0-2 2v7.172a2 2 0 0 0 .586 1.414l8.704 8.704a2.426 2.426 0 0 0 3.42 0l6.58-6.58a2.426 2.426 0 0 0 0-3.42z\"\/><circle cx=\"7.5\" cy=\"7.5\" r=\".5\" fill=\"currentColor\"\/><\/svg><\/span>M\u1ea1ch \u0111\u1ea7u ra l\u00e0 ph\u1ea7n \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a b\u1edfi h\u1eadu t\u1ed1 c\u1ee7a m\u00f4 h\u00ecnh.<\/p>\n<div class=\"bp-hook-chips\"><span class=\"bp-hook-chip\">B\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1eddng d\u00e2y 5 V<\/span><span class=\"bp-hook-chip\">12\u201324 V, b\u1ed5 sung<\/span><span class=\"bp-hook-chip\">NPN ki\u1ec3u thu th\u1eadp m\u1edf<\/span><span class=\"bp-hook-chip\">PNP c\u1ef1c thu m\u1edf<\/span><\/div>\n<p class=\"bp-hook-caption\">C\u00e1c ch\u1eef c\u00e1i sau d\u1ea5u g\u1ea1ch ngang cho bi\u1ebft b\u1ea1n \u0111ang c\u1ea7m lo\u1ea1i n\u00e0o.<\/p>\n<\/div>\n\n<h2>K\u1ebft h\u1ee3p \u0111\u1ea7u ra v\u1edbi \u0111\u1ea7u v\u00e0o b\u1ed9 \u0111\u1ebfm: Ma tr\u1eadn t\u01b0\u01a1ng th\u00edch<\/h2>\n\n<p>B\u00e2y gi\u1edd \u0111\u1ebfn ph\u1ea7n quy\u1ebft \u0111\u1ecbnh v\u1ec1 vi\u1ec7c n\u1ed1i d\u00e2y. Ph\u00eda b\u1ed9 \u0111\u1ebfm (m\u1ed9t th\u1ebb \u0111\u1ebfm t\u1ed1c \u0111\u1ed9 cao c\u1ee7a PLC, c\u1ed5ng b\u1ed9 m\u00e3 h\u00f3a c\u1ee7a b\u1ed9 bi\u1ebfn t\u1ea7n ho\u1eb7c m\u1ed9t b\u1ed9 \u0111\u1ebfm \u0111\u1ed9c l\u1eadp) c\u00f3 m\u1ea1ch \u0111\u1ea7u v\u00e0o l\u00e0 <strong>\u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c<\/strong>. \u201cSinking\u201d ho\u1eb7c \u201csourcing\u201d l\u00e0 nh\u1eefng thu\u1eadt ng\u1eef b\u1ea1n c\u1ea7n bi\u1ebft: m\u1ed9t \u0111\u1ea7u v\u00e0o \u201csourcing\u201d cung c\u1ea5p d\u00f2ng \u0111i\u1ec7n v\u00e0 y\u00eau c\u1ea7u b\u1ed9 m\u00e3 h\u00f3a ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 \u201csinking\u201d (b\u1ed9 thu m\u1edf NPN ho\u1eb7c \u0111\u1ea7u ra \u0111i\u1ec7n \u00e1p). M\u1ed9t \u0111\u1ea7u v\u00e0o \u201csinking\u201d ti\u00eau th\u1ee5 d\u00f2ng \u0111i\u1ec7n v\u00e0 y\u00eau c\u1ea7u b\u1ed9 m\u00e3 h\u00f3a ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 \u201csourcing\u201d (b\u1ed9 thu m\u1edf PNP). C\u00e1c \u0111\u1ea7u ra b\u1ed5 sung c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u1ea3 hai ch\u1ebf \u0111\u1ed9 n\u00e0y. C\u00e1c \u0111\u1ea7u v\u00e0o vi sai y\u00eau c\u1ea7u c\u00e1c t\u00edn hi\u1ec7u gh\u00e9p \u0111\u00f4i A\/\/A, B\/\/B.<\/p>\n\n<div class=\"table-wrapper\"><table class=\"rich-table\">\n<thead><tr><th>\u0110\u1ea7u ra b\u1ed9 m\u00e3 h\u00f3a<\/th><th>Ph\u00f9 h\u1ee3p v\u1edbi<\/th><th>C\u1ea7n th\u00eam c\u00e1c b\u1ed9 ph\u1eadn<\/th><th>N\u1ebfu b\u1ea1n v\u1eabn c\u1ed1 l\u00e0m b\u1eb1ng m\u1ecdi gi\u00e1<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u0110i\u1ec7n \u00e1p \u0111\u1ea7u ra<\/td><td>\u0110\u1ea7u v\u00e0o tr\u1edf kh\u00e1ng cao \/ \u0111\u1ea7u v\u00e0o ngu\u1ed3n, kho\u1ea3ng c\u00e1ch ng\u1eafn<\/td><td>Th\u00f4ng th\u01b0\u1eddng kh\u00f4ng c\u00f3 (\u0111\u00e3 t\u00edch h\u1ee3p s\u1eb5n \u0111i\u1ec7n tr\u1edf)<\/td><td>C\u00e1c c\u1ea1nh y\u1ebfu tr\u00ean c\u00e1c \u0111o\u1ea1n d\u00e2y d\u00e0i ho\u1eb7c c\u00f3 \u0111i\u1ec7n dung, s\u1ed1 l\u01b0\u1ee3ng b\u1ecb thi\u1ebfu<\/td><\/tr>\n<tr><td>NPN c\u1ef1c thu m\u1edf<\/td><td>Ngu\u1ed3n \u0111\u1ea7u v\u00e0o (C\u00e1c nh\u00e3n \u201csink\u201d\/\u201csource\u201d tr\u00ean PLC kh\u00e1c nhau t\u00f9y theo nh\u00e0 s\u1ea3n xu\u1ea5t; h\u00e3y tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng)<\/td><td>N\u00ean l\u1eafp \u0111i\u1ec7n tr\u1edf k\u00e9o l\u00ean m\u1ee9c \u0111i\u1ec7n \u00e1p ngu\u1ed3n n\u1ebfu \u0111\u1ea7u v\u00e0o kh\u00f4ng cung c\u1ea5p \u0111i\u1ec7n \u00e1p n\u00e0y (theo s\u01a1 \u0111\u1ed3 m\u1ea1ch c\u1ee7a m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t, gi\u00e1 tr\u1ecb l\u00e0 2,2 k\u03a9 n\u1ed1i v\u1edbi +V)<\/td><td>Kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u n\u00e0o c\u1ea3: \u0111\u1ea7u ra kh\u00f4ng th\u1ec3 k\u00e9o m\u1ee9c \u0111\u1ea7u v\u00e0o l\u00ean cao<\/td><\/tr>\n<tr><td>PNP c\u1ef1c thu m\u1edf<\/td><td>D\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o gi\u1ea3m d\u1ea7n<\/td><td>Kh\u00f4ng c\u00f3<\/td><td>Kh\u00f4ng c\u00f3 s\u1ed1 \u0111\u1ebfm; c\u00f3 th\u1ec3 x\u1ea3y ra h\u01b0 h\u1ecfng n\u1ebfu \u0111\u1ea7u v\u00e0o b\u1ecb k\u1eb9p v\u00e0o thanh d\u1eabn d\u01b0\u1edbi<\/td><\/tr>\n<tr><td>B\u1ed5 sung<\/td><td>Ch\u00ecm <strong>ho\u1eb7c<\/strong> t\u00ecm ngu\u1ed3n cung \u1ee9ng, \u0111\u1ea7u \u0111\u01a1n<\/td><td>Kh\u00f4ng c\u00f3<\/td><td>Ho\u1ea1t \u0111\u1ed9ng; \u0111\u00e2y ch\u00ednh l\u00e0 \u00fd ngh\u0129a c\u1ee7a ki\u1ec3u n\u00e0y<\/td><\/tr>\n<tr><td>B\u1ed9 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u0111\u01b0\u1eddng truy\u1ec1n (RS422)<\/td><td>\u0110\u1ea7u v\u00e0o vi sai (A\/\/A, B\/\/B)<\/td><td>K\u1ebft th\u00fac 120 \u03a9 t\u1ea1i \u0111\u1ea7u thu \u0111\u1ed1i v\u1edbi c\u00e1c \u0111o\u1ea1n c\u00e1p d\u00e0i<\/td><td>\u0110\u1ebfm c\u00f3 nhi\u1ec5u; \u0111\u1ea7u v\u00e0o m\u1ed9t \u0111\u1ea7u ch\u1ec9 \u0111\u1ecdc m\u1ed9t b\u00ean c\u1ee7a c\u1eb7p<\/td><\/tr>\n<\/tbody>\n<\/table><\/div>\n\n<p>Quy t\u1eafc \u201cm\u1ed9t c\u00e2u\u201d gi\u00fap gi\u1ea3i quy\u1ebft h\u1ea7u h\u1ebft c\u00e1c th\u1eafc m\u1eafc v\u1ec1 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n: <strong>D\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o c\u1ee7a b\u1ed9 \u0111\u1ebfm l\u00e0 gi\u00e1 tr\u1ecb c\u1ed1 \u0111\u1ecbnh, v\u00e0 \u0111\u1ea7u ra c\u1ee7a b\u1ed9 m\u00e3 h\u00f3a ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi gi\u00e1 tr\u1ecb \u0111\u00f3<\/strong>. H\u00e3y tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng c\u1ee7a b\u1ed9 \u0111\u1ebfm tr\u01b0\u1edbc khi ch\u1ecdn ho\u1eb7c \u0111\u1eb7t h\u00e0ng b\u1ed9 m\u00e3 h\u00f3a, ch\u1ee9 \u0111\u1eebng \u0111\u1ee3i \u0111\u1ebfn sau \u0111\u00f3. \u0110\u00e2y ch\u00ednh l\u00e0 \u0111i\u1ec3m g\u00e2y nh\u1ea7m l\u1eabn do c\u00e1ch d\u00f9ng thu\u1eadt ng\u1eef c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t: m\u1ed9t nh\u00e0 cung c\u1ea5p g\u1ecdi b\u1ed9 ph\u1eadn n\u00e0y l\u00e0 \u2019push-pull\u201c, nh\u00e0 cung c\u1ea5p kh\u00e1c g\u1ecdi l\u00e0 \u201dcomplementary\u201c, c\u00f2n nh\u00e0 cung c\u1ea5p th\u1ee9 ba ch\u1ec9 in ch\u1eef \u201dPP\u201c trong m\u00e3 s\u1ea3n ph\u1ea9m. C\u00f9ng m\u1ed9t d\u00f2ng s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed, nh\u01b0ng l\u1ea1i c\u00f3 ba c\u00e1ch g\u1ecdi kh\u00e1c nhau. H\u00e3y gi\u1ea3i m\u00e3 m\u00e3 s\u1ea3n ph\u1ea9m, \u0111\u1eebng \u0111o\u00e1n m\u00f2 d\u1ef1a tr\u00ean t\u00ean g\u1ecdi.<\/p>\n\n<h3>K\u1ebft n\u1ed1i \u0111\u01a1n \u0111\u1ea7u so v\u1edbi k\u1ebft n\u1ed1i vi sai: khi m\u1ed9t d\u00e2y cho m\u1ed7i k\u00eanh l\u00e0 kh\u00f4ng \u0111\u1ee7<\/h3>\n\n<p>C\u00e1ch \u0111\u1ea5u d\u00e2y m\u1ed9t \u0111\u1ea7u s\u1eed d\u1ee5ng m\u1ed9t d\u00e2y cho m\u1ed7i k\u00eanh (A, B, c\u00f3 th\u1ec3 c\u00f3 Z) n\u1ed1i v\u1edbi m\u1ed9t \u0111i\u1ec3m \u0111\u1ea5t chung. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01a1n gi\u1ea3n, r\u1ebb ti\u1ec1n v\u00e0 ho\u00e0n to\u00e0n \u0111\u00e1ng tin c\u1eady khi l\u1eafp \u0111\u1eb7t trong t\u1ee7 thi\u1ebft b\u1ecb s\u1ea1ch s\u1ebd v\u00e0 tr\u00ean c\u00e1c \u0111o\u1ea1n d\u00e2y ng\u1eafn. K\u1ebft n\u1ed1i vi sai truy\u1ec1n m\u1ed7i k\u00eanh d\u01b0\u1edbi d\u1ea1ng m\u1ed9t c\u1eb7p d\u00e2y xo\u1eafn ch\u1ee9a c\u00e1c t\u00edn hi\u1ec7u b\u1ed5 sung cho nhau, A v\u00e0 \/A, B v\u00e0 \/B, v\u00e0 b\u1ed9 thu s\u1ebd tr\u1eeb ch\u00fang \u0111i. \u0110i\u1ec1u n\u00e0y gi\u00fap lo\u1ea1i b\u1ecf nhi\u1ec5u ch\u1ebf \u0111\u1ed9 chung (common-mode noise) thu \u0111\u01b0\u1ee3c d\u1ecdc theo d\u00e2y c\u00e1p. K\u1ebft n\u1ed1i vi sai l\u00e0 gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng khi kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn d\u00e0i ho\u1eb7c m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec5u \u0111i\u1ec7n t\u1eeb m\u1ea1nh. K\u1ebft n\u1ed1i m\u1ed9t \u0111\u1ea7u ph\u00f9 h\u1ee3p cho c\u00e1c \u0111o\u1ea1n d\u00e2y ng\u1eafn trong kh\u00f4ng gian h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 nhi\u1ec5u (<a href=\"https:\/\/www.motioncontroltips.com\/faq-what-are-ways-to-wire-an-incremental-encoder-into-a-motion-system\/\">motioncontroltips.com gi\u1ea3i th\u00edch s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa m\u1ea1ch \u0111\u01a1n \u0111\u1ea7u v\u00e0 m\u1ea1ch vi sai<\/a>).<\/p>\n\n<p>Hai l\u01b0u \u00fd th\u1ef1c t\u1ebf. Th\u1ee9 nh\u1ea5t, ranh gi\u1edbi kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 \u201c\u0111i\u1ec7n th\u1ebf ch\u00eanh l\u1ec7ch so v\u1edbi kh\u00f4ng\u201d: \u0111\u1ea7u ra b\u1ed5 sung (push-pull) v\u1eabn l\u00e0 lo\u1ea1i \u0111\u1ea7u ra \u0111\u01a1n c\u1ef1c nh\u01b0ng c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n m\u1ea1nh m\u1ebd, do \u0111\u00f3 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1nh gi\u00e1 n\u00f3 ph\u00f9 h\u1ee3p cho c\u00e1c \u0111o\u1ea1n c\u00e1p d\u00e0i h\u01a1n v\u00e0 m\u00f4i tr\u01b0\u1eddng nhi\u1ec5u cao h\u01a1n so v\u1edbi \u0111\u1ea7u ra thu m\u1edf. M\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh bi\u1ebfn th\u1ec3 b\u1ed5 sung c\u1ee7a m\u00ecnh cho c\u00e1c \u0111o\u1ea1n truy\u1ec1n d\u1eabn d\u00e0i h\u01a1n 10 m. Th\u1ee9 hai, khi b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u01b0\u1eddng truy\u1ec1n RS422 truy\u1ec1n qua m\u1ed9t s\u1ee3i c\u00e1p d\u00e0i, \u0111\u01b0\u1eddng truy\u1ec1n ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft th\u00fac t\u1ea1i \u0111\u1ea7u thu. Gi\u00e1 tr\u1ecb th\u00f4ng d\u1ee5ng l\u00e0 120 \u03a9, v\u00e0 c\u00e1c danh m\u1ee5c s\u1ea3n ph\u1ea9m b\u1ed9 m\u00e3 h\u00f3a n\u00eau r\u00f5 r\u1eb1ng ho\u1ea1t \u0111\u1ed9ng RS422 tr\u00ean kho\u1ea3ng c\u00e1ch xa y\u00eau c\u1ea7u k\u1ebft th\u00fac tr\u1edf kh\u00e1ng s\u00f3ng n\u00e0y.<\/p>\n\n<h3>Vi\u1ec7c che ch\u1eafn, n\u1ed1i \u0111\u1ea5t v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i d\u00e2y gi\u00fap ng\u0103n ng\u1eeba c\u00e1c s\u1ef1 c\u1ed1 \u1ea3o<\/h3>\n\n<p>H\u1ea7u h\u1ebft c\u00e1c s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn \u201cb\u1ed9 m\u00e3 h\u00f3a gi\u00e1n \u0111o\u1ea1n\u201d \u0111\u1ec1u do nhi\u1ec5u \u0111i\u1ec7n, v\u00e0 ph\u1ea7n l\u1edbn c\u00e1c tr\u01b0\u1eddng h\u1ee3p nhi\u1ec5u n\u00e0y xu\u1ea5t ph\u00e1t t\u1eeb v\u1ea5n \u0111\u1ec1 trong c\u00e1ch \u0111i d\u00e2y. C\u00e1c quy t\u1eafc r\u1ea5t \u0111\u01a1n gi\u1ea3n:<\/p>\n\n<ul>\n<li>D\u1eabn c\u00e1p b\u1ed9 m\u00e3 h\u00f3a trong \u1ed1ng d\u1eabn ho\u1eb7c c\u00e1ch xa c\u00e1c d\u00e2y c\u00e1p ngu\u1ed3n. Gi\u1eef kho\u1ea3ng c\u00e1ch \u00edt nh\u1ea5t kho\u1ea3ng m\u1ed9t foot so v\u1edbi h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u00e0 bi\u1ebfn t\u1ea7n, v\u00e0 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c b\u00f3 chung v\u1edbi nhau.<\/li>\n<li>Ch\u1ec9 n\u1ed1i \u0111\u1ea5t l\u1edbp ch\u1eafn \u1edf m\u1ed9t \u0111\u1ea7u. Vi\u1ec7c n\u1ed1i \u0111\u1ea5t c\u1ea3 hai \u0111\u1ea7u s\u1ebd t\u1ea1o ra m\u1ed9t v\u00f2ng l\u1eb7p n\u1ed1i \u0111\u1ea5t, khi\u1ebfn ch\u00ednh lo\u1ea1i nhi\u1ec5u xoay chi\u1ec1u m\u00e0 b\u1ea1n \u0111ang c\u1ed1 g\u1eafng ch\u1ed1ng l\u1ea1i l\u1ea1i x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng.<\/li>\n<li>N\u00ean s\u1eed d\u1ee5ng d\u00e2y \u0111\u00f4i xo\u1eafn cho c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n t\u00edn hi\u1ec7u khi c\u1ea5u tr\u00fac c\u00e1p cho ph\u00e9p.<\/li>\n<li>C\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn c\u00f4ng su\u1ea5t t\u1ea7n s\u1ed1: t\u1ea7n s\u1ed1 \u0111\u1ea7u ra = PPR \u00d7 RPM \u00f7 60. M\u1ed9t b\u1ed9 m\u00e3 h\u00f3a 1000-PPR \u1edf t\u1ed1c \u0111\u1ed9 6000 v\u00f2ng\/ph\u00fat s\u1ebd t\u1ea1o ra t\u1ea7n s\u1ed1 100 kHz \u2014 m\u1ee9c t\u1ed1i \u0111a \u0111\u1ecbnh m\u1ee9c c\u1ee7a nhi\u1ec1u b\u1ed9 m\u00e3 h\u00f3a \u2014 khi\u1ebfn kh\u00f4ng c\u00f2n d\u01b0 \u0111\u1ecba cho \u0111i\u1ec7n dung c\u1ee7a c\u00e1p. S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u00e0 c\u00e1p d\u00e0i ch\u00ednh l\u00e0 l\u00fd do khi\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng \u201cho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng tr\u00ean b\u00e0n th\u1eed nghi\u1ec7m\u201d l\u1ea1i tr\u1edf th\u00e0nh \u201cs\u1ed1 \u0111\u1ebfm b\u1ecb s\u1ee5t gi\u1ea3m khi v\u1eadn h\u00e0nh tr\u00ean m\u00e1y.\u201d<\/li>\n<\/ul>\n\n\n<div class=\"bp-cta-mid\">\n<p class=\"bp-cta-mid-text\">B\u1ea1n kh\u00f4ng ch\u1eafc m\u1ea1ch \u0111\u1ea7u ra n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi b\u1ed9 \u0111\u1ebfm c\u1ee7a m\u00ecnh? H\u00e3y g\u1eedi cho ch\u00fang t\u00f4i m\u00e3 model c\u1ee7a bo m\u1ea1ch b\u1ed9 \u0111\u1ebfm \u2014 ch\u00fang t\u00f4i s\u1ebd l\u1ef1a ch\u1ecdn b\u1ed9 m\u00e3 h\u00f3a ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ea7u v\u00e0o c\u1ee7a n\u00f3 tr\u01b0\u1edbc khi b\u1ea1n \u0111\u1eb7t h\u00e0ng.<\/p>\n<a class=\"bp-cta-mid-btn\" href=\"https:\/\/www.omch.com\/vi\/contact\/\" target=\"_self\">T\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ed9 m\u00e3 h\u00f3a c\u1ee7a t\u00f4i<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m12 5 7 7-7 7\"\/><\/svg><\/a>\n<\/div>\n\n<h2>C\u00e1c tri\u1ec7u ch\u1ee9ng v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u1ec1 h\u1ec7 th\u1ed1ng d\u00e2y d\u1eabn c\u1ee7a b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng: Kh\u00f4ng \u0111\u1ebfm \u0111\u01b0\u1ee3c, h\u01b0\u1edbng sai ho\u1eb7c c\u00f3 ti\u1ebfng \u1ed3n<\/h2>\n\n<p>Khi m\u1ed9t b\u1ed9 m\u00e3 h\u00f3a v\u1eeba \u0111\u01b0\u1ee3c l\u1eafp d\u00e2y m\u1edbi ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng b\u00ecnh th\u01b0\u1eddng, h\u00e3y ki\u1ec3m tra b\u1ea3ng tri\u1ec7u ch\u1ee9ng tr\u01b0\u1edbc khi nghi ng\u1edd ch\u00ednh b\u1ed9 m\u00e3 h\u00f3a \u0111\u00f3. H\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p tr\u1ea3 l\u1ea1i v\u1edbi l\u00fd do \u201cb\u1ed9 m\u00e3 h\u00f3a h\u1ecfng\u201d th\u1ef1c ch\u1ea5t l\u00e0 do kh\u00f4ng t\u01b0\u01a1ng th\u00edch giao di\u1ec7n, v\u00e0 t\u00ecnh tr\u1ea1ng n\u00e0y s\u1ebd l\u1eb7p l\u1ea1i ngay c\u1ea3 khi thay th\u1ebf b\u1eb1ng b\u1ed9 m\u00e3 h\u00f3a kh\u00e1c.<\/p>\n\n<div class=\"table-wrapper\"><table class=\"rich-table\">\n<thead><tr><th>Tri\u1ec7u ch\u1ee9ng<\/th><th>H\u00e3y ki\u1ec3m tra tr\u01b0\u1edbc<\/th><th>C\u00e1ch kh\u1eafc ph\u1ee5c th\u00f4ng th\u01b0\u1eddng<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 s\u1ed1 li\u1ec7u n\u00e0o c\u1ea3<\/td><td>Ngu\u1ed3n \u0111i\u1ec7n hi\u1ec7n t\u1ea1i v\u00e0 chung c\u00f3 \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi \u0111i\u1ec3m 0 V c\u1ee7a b\u1ed9 \u0111\u1ebfm kh\u00f4ng? Lo\u1ea1i \u0111\u1ea7u ra c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ea7u v\u00e0o kh\u00f4ng?<\/td><td>\u0110i\u1ec1u ch\u1ec9nh m\u1ea1ch (th\u00eam \u0111i\u1ec7n tr\u1edf k\u00e9o l\u00ean cho transistor NPN khi k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ea7u v\u00e0o ngu\u1ed3n), ho\u1eb7c x\u00e1c nh\u1eadn lo\u1ea1i \u0111\u1ea7u ra d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt tr\u00ean nh\u00e3n m\u00e1y<\/td><\/tr>\n<tr><td>Ch\u1ec9 \u0111\u1ebfm theo m\u1ed9t chi\u1ec1u \/ chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i<\/td><td>Th\u1ee9 t\u1ef1 c\u00e1c pha A v\u00e0 B<\/td><td>\u0110\u1ed5i ch\u1ed7 cho d\u00e2y A v\u00e0 B. \u0110\u1ed1i v\u1edbi ch\u1ebf \u0111\u1ed9 vi sai, \u0111\u1ed5i ch\u1ed7 cho d\u00e2y A v\u1edbi d\u00e2y \/A. Vi\u1ec7c \u0111\u1ea3o chi\u1ec1u khi thay th\u1ebf l\u00e0 m\u1ed9t c\u00e1ch kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u1ec1 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n, ch\u1ee9 kh\u00f4ng ph\u1ea3i do linh ki\u1ec7n b\u1ecb l\u1ed7i.<\/td><\/tr>\n<tr><td>S\u1ed1 l\u1ea7n \u0111\u1ebfm th\u00eam kh\u00f4ng \u0111\u1ec1u<\/td><td>Nhi\u1ec5u: c\u00e1p n\u1eb1m g\u1ea7n d\u00e2y d\u1eabn \u0111i\u1ec7n, l\u1edbp ch\u1eafn \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t \u1edf c\u1ea3 hai \u0111\u1ea7u<\/td><td>N\u1ed1i \u0111\u1ea5t l\u1edbp ch\u1eafn \u1edf m\u1ed9t \u0111\u1ea7u, \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i \u0111\u01b0\u1eddng \u0111i sao cho tr\u00e1nh xa c\u00e1c d\u00e2y c\u00e1p VFD; n\u1ebfu s\u1ef1 c\u1ed1 v\u1eabn ti\u1ebfp di\u1ec5n, h\u00e3y chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 b\u1ed5 sung ho\u1eb7c vi sai.<\/td><\/tr>\n<tr><td>M\u1ea5t kh\u1ea3 n\u0103ng \u0111\u1ebfm khi di chuy\u1ec3n nhanh<\/td><td>Ng\u00e2n s\u00e1ch t\u1ea7n s\u1ed1 v\u00e0 chi\u1ec1u d\u00e0i c\u00e1p<\/td><td>Gi\u1ea3m t\u1ef7 l\u1ec7 PPR, r\u00fat ng\u1eafn qu\u00e3ng \u0111\u01b0\u1eddng ch\u1ea1y ho\u1eb7c t\u1eadn d\u1ee5ng s\u1ef1 ch\u00eanh l\u1ec7ch<\/td><\/tr>\n<tr><td>Thi\u1ebfu xung Z ho\u1eb7c xung Z kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/td><td>Z \u0111\u00e3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ea7u v\u00e0o b\u00ean ph\u1ea3i v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t trong b\u1ed9 \u0111\u1ebfm ch\u01b0a?<\/td><td>K\u1ebft n\u1ed1i d\u00e2y Z (v\u00e0 \/Z n\u1ebfu l\u00e0 t\u00edn hi\u1ec7u vi sai) v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng nhi\u1ec5u t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u1ed1i v\u1edbi A\/B. K\u00eanh ch\u1ec9 m\u1ee5c l\u00e0 k\u00eanh tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u \u0111\u1ed9t ng\u1ed9t<\/td><\/tr>\n<tr><td>Kh\u00f3i, nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c thi\u1ebft b\u1ecb ng\u1eebng ho\u1ea1t \u0111\u1ed9ng khi b\u1eadt ngu\u1ed3n<\/td><td>\u0110i\u1ec7n \u00e1p ngu\u1ed3n v\u00e0 c\u1ef1c t\u00ednh so v\u1edbi th\u00f4ng s\u1ed1 tr\u00ean nh\u00e3n hi\u1ec7u<\/td><td>T\u1eaft ngu\u1ed3n ngay l\u1eadp t\u1ee9c. Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng b\u1ed9 ngu\u1ed3n 5 V tr\u00ean m\u1ea1ch 24 V ho\u1eb7c n\u1ed1i sai c\u1ef1c; h\u00e3y ki\u1ec3m tra k\u1ef9 tr\u01b0\u1edbc khi thay th\u1ebf.<\/td><\/tr>\n<\/tbody>\n<\/table><\/div>\n\n<p>Hai nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n. Th\u1ee9 nh\u1ea5t, b\u1ea3ng n\u00e0y ch\u1ec9 l\u00e0 ch\u1ea9n \u0111o\u00e1n s\u01a1 b\u1ed9. M\u00e1y \u0111o (ho\u1eb7c ch\u1ebf \u0111\u1ed9 xem ch\u1ea9n \u0111o\u00e1n tr\u00ean b\u1ed9 \u0111\u1ebfm) m\u1edbi l\u00e0 c\u00f4ng c\u1ee5 gi\u00fap ph\u00e2n bi\u1ec7t nhi\u1ec5u \u0111i\u1ec7n v\u1edbi rung \u0111\u1ed9ng c\u01a1 h\u1ecdc \u2013 hai hi\u1ec7n t\u01b0\u1ee3ng tr\u00f4ng r\u1ea5t gi\u1ed1ng nhau. Th\u1ee9 hai, n\u1ebfu m\u1ed9t m\u00e1y m\u00f3c ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng tr\u01b0\u1edbc khi thay th\u1ebf linh ki\u1ec7n nh\u01b0ng l\u1ea1i g\u1eb7p s\u1ef1 c\u1ed1 sau \u0111\u00f3, h\u00e3y nghi ng\u1edd ph\u1ea7n giao di\u1ec7n tr\u01b0\u1edbc khi nghi ng\u1edd ch\u00ednh linh ki\u1ec7n \u0111\u00f3. Ch\u1ec9 ri\u00eang nguy\u00ean t\u1eafc n\u00e0y \u0111\u00e3 gi\u00fap ng\u0103n ch\u1eb7n ph\u1ea7n l\u1edbn c\u00e1c s\u1ef1 c\u1ed1 t\u00e1i di\u1ec5n.<\/p>\n\n<h2>Thay th\u1ebf b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng: N\u0103m th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n x\u00e1c \u0111\u1ecbnh r\u00f5 tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng<\/h2>\n\n<p>Qu\u00e1 tr\u00ecnh thay th\u1ebf ch\u00ednh l\u00e0 l\u00fac quy\u1ebft \u0111\u1ecbnh v\u1ec1 vi\u1ec7c \u0111\u1ea5u d\u00e2y b\u1ed9 m\u00e3 h\u00f3a t\u0103ng d\u1ea7n th\u1ef1c s\u1ef1 th\u00e0nh c\u00f4ng hay th\u1ea5t b\u1ea1i, b\u1edfi v\u00ec quy\u1ec1n quy\u1ebft \u0111\u1ecbnh v\u1ec1 c\u00e1ch \u0111\u1ea5u d\u00e2y chuy\u1ec3n t\u1eeb ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t sang b\u1ed9 ph\u1eadn \u0111\u1eb7t h\u00e0ng. Khi kh\u00e1ch h\u00e0ng g\u1eedi m\u00e3 s\u1ea3n ph\u1ea9m c\u0169, nh\u1eefng kh\u00e1c bi\u1ec7t d\u1eabn \u0111\u1ebfn vi\u1ec7c tr\u1ea3 h\u00e0ng h\u1ea7u nh\u01b0 kh\u00f4ng bao gi\u1edd li\u00ean quan \u0111\u1ebfn c\u01a1 kh\u00ed. Ch\u00fang l\u00e0 v\u1ea5n \u0111\u1ec1 \u0111i\u1ec7n t\u1eed, v\u00e0 t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi \u0111\u01a1n \u0111\u1eb7t h\u00e0ng \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh. M\u1ecdi bi\u1ebfn s\u1ed1 giao di\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u00f3i g\u1ecdn trong n\u0103m c\u00e2u h\u1ecfi:<\/p>\n\n<div class=\"rich-checklist\">\n<p class=\"rich-checklist-title\"><span class=\"rich-checklist-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"m3 17 2 2 4-4\"\/><path d=\"m3 7 2 2 4-4\"\/><path d=\"M13 6h8\"\/><path d=\"M13 12h8\"\/><path d=\"M13 18h8\"\/><\/svg><\/span>N\u0103m c\u00e2u h\u1ecfi c\u1ea7n l\u01b0u \u00fd tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng thay th\u1ebf<\/p>\n<ul class=\"rich-checklist-list\">\n<li><span class=\"rich-checklist-check\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><\/span><span>B\u1ed9 \u0111\u1ebfm ho\u1eb7c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ch\u1ea5p nh\u1eadn lo\u1ea1i t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o n\u00e0o: lo\u1ea1i h\u00fat, lo\u1ea1i ph\u00e1t hay lo\u1ea1i vi sai?<\/span><\/li>\n<li><span class=\"rich-checklist-check\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><\/span><span>M\u00e1y cung c\u1ea5p \u0111i\u1ec7n \u00e1p ngu\u1ed3n bao nhi\u00eau cho b\u1ed9 m\u00e3 h\u00f3a, v\u00e0 b\u1ed9 m\u00e3 h\u00f3a thay th\u1ebf c\u00f3 c\u1ea7n c\u00f9ng d\u1ea3i \u0111i\u1ec7n \u00e1p kh\u00f4ng?<\/span><\/li>\n<li><span class=\"rich-checklist-check\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><\/span><span>PPR c\u00f3 gi\u1ed1ng nhau kh\u00f4ng (ho\u1eb7c c\u00f3 n\u1eb1m trong ph\u1ea1m vi t\u1ea7n s\u1ed1 cho ph\u00e9p c\u1ee7a b\u1ed9 \u0111\u1ebfm khi ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a kh\u00f4ng)?<\/span><\/li>\n<li><span class=\"rich-checklist-check\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><\/span><span>M\u00e1y c\u00f3 c\u1ea7n k\u00eanh Z hay c\u00e1c k\u00eanh chuy\u1ec3n m\u1ea1ch U\/V\/W tr\u00ean servo kh\u00f4ng?<\/span><\/li>\n<li><span class=\"rich-checklist-check\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><\/span><span>D\u00e2y c\u00e1p v\u00e0 \u0111o\u1ea1n d\u00e2y: d\u00e2y d\u1eabn hay \u0111\u1ea7u n\u1ed1i, v\u00e0 li\u1ec7u \u0111o\u1ea1n d\u00e2y \u0111\u00f3 c\u00f3 \u0111\u1ee7 d\u00e0i hay ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec5u \u0111\u1ee7 nhi\u1ec1u \u0111\u1ec3 c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng \u0111\u1ea7u ra b\u1ed5 sung ho\u1eb7c \u0111\u1ea7u ra vi sai kh\u00f4ng?<\/span><\/li>\n<\/ul>\n<\/div>\n\n<p>1. <strong>B\u1ed9 \u0111\u1ebfm ch\u1ea5p nh\u1eadn c\u00e1c \u0111\u1ea7u v\u00e0o n\u00e0o?<\/strong> Lo\u1ea1i c\u1ef1c h\u00fat, c\u1ef1c ngu\u1ed3n hay t\u00edn hi\u1ec7u vi sai s\u1ebd quy\u1ebft \u0111\u1ecbnh d\u00f2ng s\u1ea3n ph\u1ea9m \u0111\u1ea7u ra: NPN d\u00e0nh cho c\u1ef1c ngu\u1ed3n, PNP d\u00e0nh cho c\u1ef1c h\u00fat, lo\u1ea1i b\u1ed5 sung cho c\u1ea3 hai, v\u00e0 b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u01b0\u1eddng truy\u1ec1n d\u00e0nh cho t\u00edn hi\u1ec7u vi sai.<\/p>\n\n<p>2. <strong>M\u00e1y n\u00e0y cung c\u1ea5p \u0111i\u1ec7n \u00e1p ngu\u1ed3n l\u00e0 bao nhi\u00eau?<\/strong> Thi\u1ebft b\u1ecb thay th\u1ebf ph\u1ea3i thu\u1ed9c c\u00f9ng d\u1ea3i \u0111i\u1ec7n \u00e1p. M\u1ed9t thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1edf d\u1ea3i 12\u201324 V s\u1ebd kh\u00f4ng th\u1ec3 v\u1eadn h\u00e0nh m\u1ed9t linh ki\u1ec7n 5 V, v\u00e0 m\u1ed9t bo m\u1ea1ch \u0111\u1ea7u v\u00e0o 5 V s\u1ebd kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ed9 m\u00e3 h\u00f3a 24 V.<\/p>\n\n<p>3. <strong>PPR c\u00f3 gi\u1ed1ng h\u1ec7t nhau kh\u00f4ng?<\/strong> Gi\u1eef nguy\u00ean PPR l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n. Vi\u1ec7c thay \u0111\u1ed5i PPR s\u1ebd l\u00e0m thay \u0111\u1ed5i t\u1ef7 l\u1ec7 \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 v\u00e0 c\u00f3 th\u1ec3 khi\u1ebfn t\u1ed1c \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n t\u1ea7n s\u1ed1 c\u1ee7a t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o khi ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a.<\/p>\n\n<p>4. <strong>Th\u1ef1c t\u1ebf th\u00ec nh\u1eefng k\u00eanh n\u00e0o \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng?<\/strong> C\u00e1c m\u00e1y ch\u1ec9 s\u1eed d\u1ee5ng A\/B kh\u00f4ng c\u1ea7n tr\u1ee5c Z, nh\u01b0ng c\u00e1c m\u00e1y c\u00f3 ch\u1ee9c n\u0103ng v\u1ec1 v\u1ecb tr\u00ed g\u1ed1c th\u00ec c\u1ea7n. Ngo\u00e0i ra, c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n servo c\u00f2n y\u00eau c\u1ea7u c\u00e1c k\u00eanh chuy\u1ec3n m\u1ea1ch (U\/V\/W).<\/p>\n\n<p>5. <strong>T\u00ecnh h\u00ecnh d\u00e2y c\u00e1p th\u1ebf n\u00e0o?<\/strong> \u0110\u1ea7u n\u1ed1i ho\u1eb7c d\u00e2y d\u1eabn r\u1eddi ph\u1ea3i t\u01b0\u01a1ng th\u00edch v\u1edbi m\u00e1y; trong khi c\u00e1c \u0111\u01b0\u1eddng d\u1eabn d\u00e0i ho\u1eb7c g\u00e2y nhi\u1ec5u s\u1ebd khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng \u01b0u ti\u00ean l\u1ef1a ch\u1ecdn \u0111\u1ea7u ra b\u1ed5 sung ho\u1eb7c \u0111\u1ea7u ra vi sai.<\/p>\n\n<p>N\u1ebfu \u0111\u00e1p \u1ee9ng \u0111\u1ee7 c\u1ea3 n\u0103m ti\u00eau ch\u00ed n\u00e0y, linh ki\u1ec7n thay th\u1ebf s\u1ebd t\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t k\u1ebft n\u1ed1i \u0111i\u1ec7n ngay t\u1eeb thi\u1ebft k\u1ebf. C\u00f4ng vi\u1ec7c c\u1ee7a ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t l\u00fac n\u00e0y ch\u1ec9 c\u00f2n l\u00e0 thao t\u00e1c c\u01a1 kh\u00ed. Ch\u00ednh nguy\u00ean t\u1eafc n\u00e0y gi\u00fap gi\u1ea3m t\u1ef7 l\u1ec7 tr\u1ea3 h\u00e0ng c\u1ee7a doanh nghi\u1ec7p kinh doanh linh ki\u1ec7n: t\u1ed5 ch\u1ee9c kho h\u00e0ng v\u00e0 b\u00e1o gi\u00e1 theo giao di\u1ec7n \u0111i\u1ec7n thay v\u00ec theo th\u01b0\u01a1ng hi\u1ec7u, v\u00e0 m\u1ed9t b\u1ed9 khe c\u1eafm c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 cho c\u00e1c m\u00e1y m\u00f3c s\u1eed d\u1ee5ng nhi\u1ec1u lo\u1ea1i linh ki\u1ec7n kh\u00e1c nhau. Kh\u1ed1i l\u01b0\u1ee3ng th\u1ecb tr\u01b0\u1eddng s\u1eeda ch\u1eefa t\u1eadp trung v\u00e0o c\u00e1c khe c\u1eafm thu th\u1eadp m\u1edf (open-collector) v\u00e0 khe c\u1eafm b\u1ed5 sung (complementary) \u1edf d\u1ea3i \u0111i\u1ec7n \u00e1p 12\u201324 V; c\u00e1c linh ki\u1ec7n ch\u00eanh l\u1ec7ch \u0111i\u1ec7n \u00e1p 5 V thu\u1ed9c ph\u00e2n kh\u00fac servo v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng d\u00e0i h\u1ea1n. N\u0103m khe c\u1eafm (b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1eddng d\u00e2y 5 V, b\u1ed5 sung 12\u201324 V, NPN 12\u201324 V, PNP 12\u201324 V, \u0111\u1ea7u ra \u0111i\u1ec7n \u00e1p 5\u201312 V) ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c n\u0103m m\u1ea1ch \u0111\u1ea7u ra.<\/p>\n\n<p>V\u1eabn c\u00f2n m\u1ed9t gi\u1edbi h\u1ea1n: nh\u1eefng c\u00e2u h\u1ecfi n\u00e0y ch\u1ec9 li\u00ean quan \u0111\u1ebfn giao di\u1ec7n \u0111i\u1ec7n. \u0110\u01b0\u1eddng k\u00ednh tr\u1ee5c, c\u00e1ch l\u1eafp \u0111\u1eb7t v\u00e0 kh\u1edbp n\u1ed1i l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 c\u1ea7n ki\u1ec3m tra ri\u00eang bi\u1ec7t, v\u00e0 vi\u1ec7c tr\u1ed9n l\u1eabn hai danh s\u00e1ch n\u00e0y ch\u00ednh l\u00e0 nguy\u00ean nh\u00e2n khi\u1ebfn vi\u1ec7c \u201cn\u00f3 ph\u00f9 h\u1ee3p v\u1ec1 m\u1eb7t \u0111i\u1ec7n\u201d l\u1ea1i tr\u1edf th\u00e0nh \u201cn\u00f3 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi m\u00e1y m\u00f3c\u201d.\u201d<\/p>\n\n<p><em>Vi\u1ec7c thi\u1ebft k\u1ebf giao di\u1ec7n ph\u00f9 h\u1ee3p b\u1eaft \u0111\u1ea7u t\u1eeb danh m\u1ee5c s\u1ea3n ph\u1ea9m, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb kh\u1ed1i \u0111\u1ea7u cu\u1ed1i. D\u00f2ng s\u1ea3n ph\u1ea9m b\u1ed9 m\u00e3 h\u00f3a t\u0103ng d\u1ea7n c\u1ee7a ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 c\u1ea3 n\u0103m lo\u1ea1i m\u1ea1ch \u0111\u1ea7u ra (NPN, PNP, b\u1ed5 sung, b\u1ed9 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ea7u ra \u0111i\u1ec7n \u00e1p) trong d\u1ea3i ngu\u1ed3n \u0111i\u1ec7n ti\u00eau chu\u1ea9n t\u1eeb 5\u201324 V. Khi kh\u00e1ch h\u00e0ng cung c\u1ea5p m\u00e3 s\u1ea3n ph\u1ea9m c\u0169 ho\u1eb7c m\u1eabu th\u1ebb \u0111\u1ebfm, c\u00e1c k\u1ef9 s\u01b0 l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i s\u1ebd x\u00e1c nh\u1eadn lo\u1ea1i m\u1ea1ch \u0111\u1ea7u ra, ngu\u1ed3n \u0111i\u1ec7n, PPR v\u00e0 s\u1ed1 k\u00eanh tr\u01b0\u1edbc khi ch\u00fang t\u00f4i g\u1eedi b\u00e1o gi\u00e1 (<a href=\"https:\/\/www.omch.com\/vi\/encoders\/\">xem ph\u1ea1m vi c\u1ee7a b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng<\/a>). Vui l\u00f2ng g\u1eedi cho ch\u00fang t\u00f4i b\u1ea3ng t\u00ean. Ch\u00fang t\u00f4i s\u1ebd g\u1eedi phi\u00ean b\u1ea3n t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n.<\/em><\/p>\n\n\n<div class=\"bp-cta-end\">\n<div class=\"bp-cta-end-body\">\n<p class=\"bp-cta-end-title\">H\u00e3y mua m\u1ed9t b\u1ed9 m\u00e3 h\u00f3a thay th\u1ebf c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp<\/p>\n<p class=\"bp-cta-end-sub\">Vui l\u00f2ng cung c\u1ea5p cho ch\u00fang t\u00f4i m\u00e3 s\u1ea3n ph\u1ea9m c\u0169 ho\u1eb7c m\u1eabu th\u1ebb \u0111\u1ebfm. C\u00e1c k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i s\u1ebd x\u00e1c nh\u1eadn m\u1ea1ch \u0111\u1ea7u ra, \u0111i\u1ec7n \u00e1p ngu\u1ed3n, PPR v\u00e0 s\u1ed1 k\u00eanh tr\u01b0\u1edbc khi ch\u00fang t\u00f4i g\u1eedi b\u00e1o gi\u00e1.<\/p>\n<\/div>\n<a class=\"bp-cta-end-btn\" href=\"https:\/\/www.omch.com\/vi\/contact\/\" target=\"_self\">G\u1eedi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt b\u1ed9 m\u00e3 h\u00f3a c\u1ee7a t\u00f4i<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m12 5 7 7-7 7\"\/><\/svg><\/a>\n<\/div>\n\n<h2>T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n\n<ol>\n<li><a href=\"https:\/\/www.motioncontroltips.com\/faq-what-are-ways-to-wire-an-incremental-encoder-into-a-motion-system\/\">M\u1eb9o \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng. \u201cC\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p: C\u00f3 nh\u1eefng c\u00e1ch n\u00e0o \u0111\u1ec3 k\u1ebft n\u1ed1i b\u1ed9 m\u00e3 h\u00f3a t\u0103ng d\u1ea7n v\u00e0o h\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed9ng?\u201d<\/a><\/li>\n<li><a href=\"https:\/\/www.dynapar.com\/knowledge\/encoder-basics\/encoder-troubleshooting\/encoder-wiring-best-practices\/\">Dynapar. \u201cC\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t trong vi\u1ec7c \u0111\u1ea5u d\u00e2y b\u1ed9 m\u00e3 h\u00f3a.\u201d<\/a><\/li>\n<li><a href=\"https:\/\/www.kuebler.com\/pdf?5826_en.pdf\">T\u1eadp \u0111o\u00e0n K\u00fcbler. \u201cB\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng\u201d (danh m\u1ee5c s\u1ea3n ph\u1ea9m d\u00f2ng 5826, b\u1ea3ng k\u1ebft n\u1ed1i RS422 v\u00e0 b\u1ea3ng m\u00e0u c\u00e1p).<\/a><\/li>\n<li><a href=\"https:\/\/www.plctalk.net\/forums\/threads\/how-to-wire-incremental-encoder.110063\/\">Di\u1ec5n \u0111\u00e0n PLCTalk. \u201cC\u00e1ch \u0111\u1ea5u d\u00e2y b\u1ed9 m\u00e3 h\u00f3a gia s\u1ed1\u201d \u2014 Th\u1ea3o lu\u1eadn v\u1ec1 vi\u1ec7c gi\u1ea3i m\u00e3 m\u00e3 s\u1ea3n ph\u1ea9m Accu-coder v\u00e0 s\u01a1 \u0111\u1ed3 m\u1ea1ch k\u00e9o l\u00ean ki\u1ec3u thu th\u1eadp m\u1edf.<\/a><\/li>\n<li><a href=\"https:\/\/www.omch.com\/vi\/encoders\/\">OMCH. \u201cB\u1ed9 m\u00e3 h\u00f3a: D\u00f2ng b\u1ed9 m\u00e3 h\u00f3a t\u0103ng d\u1ea7n E6B2-CWZ (n\u0103m m\u1ea1ch \u0111\u1ea7u ra, PPR 10\u20131200).\u201d<\/a><\/li>\n<li><a href=\"https:\/\/www.omch.com\/vi\/product-selection\/\">OMCH. \u201cL\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m: H\u1ed7 tr\u1ee3 \u0111\u1ed1i chi\u1ebfu d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 b\u1ea3n v\u1ebd.\u201d<\/a><\/li>\n<li><a href=\"https:\/\/www.omch.com\/vi\/\">OMCH. \u201cS\u1ea3n ph\u1ea9m t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p: nh\u00e0 cung c\u1ea5p linh ki\u1ec7n t\u1ef1 \u0111\u1ed9ng h\u00f3a tr\u1ecdn g\u00f3i.\u201d<\/a><\/li>\n<\/ol>\n\n<\/article>\n<\/div>\n\n<\/body><\/html>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch \u0111\u1ea5u d\u00e2y b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng: T\u00edn hi\u1ec7u A\/B\/Z, c\u00e1c lo\u1ea1i \u0111\u1ea7u ra v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng: M\u00e1y \u0111ang ch\u1ea1y, \u0111\u1ed9ng c\u01a1 quay, nh\u01b0ng b\u1ed9 \u0111\u1ebfm tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n l\u1ea1i kh\u00f4ng hi\u1ec3n th\u1ecb g\u00ec. Ho\u1eb7c n\u00f3 \u0111\u1ebfm sai h\u01b0\u1edbng. Ho\u1eb7c b\u1ed9 m\u00e3 h\u00f3a thay th\u1ebf b\u1ed1c kh\u00f3i ngay khi b\u1eadt ngu\u1ed3n. Trong t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u00e1c d\u00e2y th\u01b0\u1eddng [\u2026]<\/p>","protected":false},"author":4,"featured_media":12246,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Incremental Encoder Wiring: A\/B\/Z Signals & Output Types","_seopress_titles_desc":"Learn incremental encoder wiring for A\/B\/Z channels, NPN\/PNP, differential outputs, supply voltage and PLC or counter connections.","_seopress_robots_index":"","footnotes":""},"categories":[79],"tags":[],"class_list":["post-12247","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mmlblog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/12247","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/comments?post=12247"}],"version-history":[{"count":3,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/12247\/revisions"}],"predecessor-version":[{"id":12257,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/12247\/revisions\/12257"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/media\/12246"}],"wp:attachment":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/media?parent=12247"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/categories?post=12247"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/tags?post=12247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":12247,"date":"2026-09-10T02:55:25","date_gmt":"2026-09-10T02:55:25","guid":{"rendered":"https:\/\/www.omch.com\/?p=12247"},"modified":"2026-09-10T03:00:32","modified_gmt":"2026-09-10T03:00:32","slug":"incremental-encoder-wiring","status":"publish","type":"post","link":"https:\/\/www.omch.com\/vi\/incremental-encoder-wiring\/","title":{"rendered":"C\u00e1ch \u0111\u1ea5u d\u00e2y b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng: T\u00edn hi\u1ec7u A\/B\/Z, c\u00e1c lo\u1ea1i \u0111\u1ea7u ra v\u00e0 k\u1ebft n\u1ed1i v\u1edbi PLC"},"content":{"rendered":"\n\n\n\nC\u00e1ch \u0111\u1ea5u d\u00e2y b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng: T\u00edn hi\u1ec7u A\/B\/Z, c\u00e1c lo\u1ea1i \u0111\u1ea7u ra v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng<\/title>\n<\/head>\n<body>\n\n<div class=\"bd-post\">\n<style>\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Manrope:wght@400;600;700&family=Roboto:wght@600;700&display=swap');\n\n.bd-post {\n \/* fonts & system palette \u2014 brand header verbatim values *\/\n font-family: \"Manrope\", sans-serif;\n font-size: 16px;\n font-weight: 400;\n line-height: 1.6;\n color: var(--text-primary);\n background: var(--body-bg);\n --text-primary: #333333;\n --accent: #479DE2;\n --accent-hot: #FD9649;\n --inverse-bg: #1E1E1E;\n --inverse-text: #FFFFFF;\n --panel-fill: #FAFAFA;\n \/* plan tokens (single source = design-plan palette) *\/\n --heading-ink: #000000;\n --accent-deep: #2A76B4;\n --accent-hot-deep: #E07E2E;\n --warn-deep: #B04A16;\n --inverse-text-2: #C9C9C9;\n --card-tint: #F5F9FD;\n --card-tint-border: #D9E3F0;\n --panel-border: #E0E0E0;\n --warn-fill: #FFF6EF;\n --warn-border: #EFD9C7;\n --badge-fill: #6E6E6E;\n --navy: #0D3972;\n --card-accent: #2A76B4;\n --panel-text: #333333;\n --warn-text: #333333;\n --btn-ink: #1E1E1E;\n \/* fixed prose standard *\/\n --prose-width: 720px;\n --gap-normal: 32px;\n --gap-section: 48px;\n --pad-standard: 24px;\n padding: 40px;\n max-width: 100%;\n box-sizing: border-box;\n}\n.bd-post a { overflow-wrap: anywhere; 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gap: 12px; width: 100%; }\n.bp-cta-end-title { font-family: \"Roboto\", sans-serif; font-weight: 700; font-size: 26px; line-height: 1.25; color: var(--inverse-text); margin: 0; white-space: nowrap; }\n.bp-cta-end-sub { font-size: 16px; line-height: 1.6; color: var(--inverse-text-2); margin: 0; }\n.bp-cta-end-btn { align-self: center; display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 999px; font-weight: 600; font-size: 16px; text-decoration: none; background: var(--accent-hot); color: var(--btn-ink); }\n.bp-cta-end-btn svg { width: 16px; height: 16px; }\n\n\/* ===== rich elements ===== *\/\n.rich-callout { display: flex; align-items: flex-start; gap: 12px; padding: var(--pad-standard); background: var(--warn-fill); border: 1px solid var(--warn-border); border-left: 3px solid var(--warn-deep); border-radius: 8px; }\n.rich-callout-icon { flex: 0 0 auto; display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; color: var(--warn-deep); 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}\n.rich-table { width: 100%; border-collapse: collapse; font-size: 15px; }\n.rich-table th { font-family: \"Roboto\", sans-serif; font-weight: 700; font-size: 15px; color: var(--text-primary); text-align: left; padding: 10px 12px; border-bottom: 2px solid var(--accent-deep); }\n.rich-table td { font-size: 15px; color: var(--text-primary); padding: 10px 12px; border-bottom: 1px solid var(--panel-border); vertical-align: top; }\n.rich-table td:first-child { font-weight: 600; }\n.rich-table tbody tr:last-child td { border-bottom: 1px solid var(--panel-border); }\n\n\/* ===== motion ===== *\/\n@media (prefers-reduced-motion: no-preference) {\n .bd-post p a, .bd-post li a { transition: color .2s ease-out, text-decoration-color .2s ease-out; }\n .bd-post p a:hover, .bd-post li a:hover { color: var(--navy); }\n .bp-cta-mid-btn, .bp-cta-end-btn { transition: background-color .2s ease-out, transform .2s ease-out; }\n .bp-cta-mid-btn:hover, .bp-cta-end-btn:hover { background: var(--accent-hot-deep); color: var(--btn-ink); transform: translateY(-2px); }\n}\n\/* CTA static states outside the motion gate (hover colors must exist regardless of JS\/reduced-motion preference in style terms; bg swap is a state, not motion) *\/\n.bp-cta-mid-btn:hover, .bp-cta-end-btn:hover { background: var(--accent-hot-deep); color: var(--btn-ink); }\n\n\/* ===== table row hover: first column to accent-deep (no background paint) ===== *\/\n.rich-table tbody tr:hover td:first-child { color: var(--accent-deep); }\n\n@media (max-width: 767px) {\n .bd-post { padding: 16px; }\n .bd-post h2 { font-size: 26px; margin-top: 32px; }\n .bd-post h3 { font-size: 20px; margin-top: 24px; }\n .bp-hook-title { font-size: 20px; }\n .bp-cta-end-title { font-size: 24px; }\n .bp-cta-end { gap: 16px; }\n .bp-cta-end-title { white-space: normal; }\n .bp-cta-end-btn { align-self: flex-start; margin-top: 4px; }\n}\n<\/style>\n<article class=\"bd-post-article\">\n\n<p>M\u00e1y \u0111ang ch\u1ea1y, \u0111\u1ed9ng c\u01a1 quay, nh\u01b0ng \u0111\u1ed3ng h\u1ed3 \u0111\u1ebfm tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n l\u1ea1i kh\u00f4ng hi\u1ec3n th\u1ecb g\u00ec. Ho\u1eb7c n\u00f3 \u0111\u1ebfm sai chi\u1ec1u. Ho\u1eb7c b\u1ed9 m\u00e3 h\u00f3a thay th\u1ebf b\u1ed1c kh\u00f3i ngay khi b\u1eadt ngu\u1ed3n. Trong t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p n\u00e0y, d\u00e2y d\u1eabn th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 nguy\u00ean nh\u00e2n. L\u1ed7i xu\u1ea5t ph\u00e1t t\u1eeb s\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1ec1 giao di\u1ec7n \u0111i\u1ec7n: m\u1ea1ch \u0111\u1ea7u ra sai, \u0111i\u1ec7n \u00e1p ngu\u1ed3n kh\u00f4ng \u0111\u00fang, ho\u1eb7c \u0111\u1ea7u ra kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi \u0111\u1ea7u v\u00e0o m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch \u0111\u1ea5u d\u00e2y cho b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng b\u1eaft \u0111\u1ea7u t\u1eeb c\u00e1c t\u00edn hi\u1ec7u, sau \u0111\u00f3 tr\u00ecnh b\u00e0y n\u0103m th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quy\u1ebft \u0111\u1ecbnh li\u1ec7u b\u1ed9 m\u00e3 h\u00f3a thay th\u1ebf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ea5u d\u00e2y th\u00e0nh c\u00f4ng ngay t\u1eeb l\u1ea7n th\u1eed \u0111\u1ea7u ti\u00ean hay kh\u00f4ng.<\/p>\n\n <img decoding=\"async\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/09\/Incremental-Encoder.webp\" style=\"width: 512px; height: 384px; max-width: 100%; object-fit: cover; border-radius: 12px; margin: 30px auto; display: block; box-shadow: 10px 10px 60px 0px rgba(210, 221, 224, 0.35); transition: all 0.3s ease; cursor: pointer;\" onmouseover=\"this.style.transform='translateY(-5px) scale(1.03)'; this.style.boxShadow='15px 25px 80px 0px rgba(210, 221, 224, 0.45)'\" onmouseout=\"this.style.transform='translateY(0) scale(1)'; this.style.boxShadow='10px 10px 60px 0px rgba(210, 221, 224, 0.35)'\">\n\n<h2>T\u00edn hi\u1ec7u b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng l\u00e0 g\u00ec: Gi\u1ea3i th\u00edch v\u1ec1 c\u00e1c d\u00e2y A, B v\u00e0 Z<\/h2>\n\n<p>B\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng kh\u00f4ng b\u00e1o v\u1ecb tr\u00ed. Thi\u1ebft b\u1ecb n\u00e0y ph\u00e1t ra m\u1ed9t lu\u1ed3ng xung, m\u1ed7i \u0111\u01a1n v\u1ecb chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a tr\u1ee5c t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t c\u1ea1nh xung, v\u00e0 b\u1ed9 \u0111\u1ebfm s\u1ebd t\u00e1i t\u1ea1o t\u1ed1c \u0111\u1ed9, h\u01b0\u1edbng v\u00e0 v\u1ecb tr\u00ed t\u01b0\u01a1ng \u0111\u1ed1i b\u1eb1ng c\u00e1ch \u0111\u1ebfm c\u00e1c xung n\u00e0y. \u0110\u00f3 ch\u00ednh l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t duy nh\u1ea5t so v\u1edbi b\u1ed9 m\u00e3 h\u00f3a tuy\u1ec7t \u0111\u1ed1i, v\u1ed1n c\u00f3 kh\u1ea3 n\u0103ng ghi nh\u1edb v\u1ecb tr\u00ed c\u1ee7a m\u00ecnh sau khi m\u1ea5t \u0111i\u1ec7n. H\u1ec7 th\u1ed1ng gia t\u0103ng ph\u1ea3i x\u00e1c \u0111\u1ecbnh l\u1ea1i \u0111i\u1ec3m tham chi\u1ebfu (th\u01b0\u1eddng l\u00e0 b\u1eb1ng xung Z) m\u1ed7i khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i.<\/p>\n\n<p>C\u00f3 ba t\u00edn hi\u1ec7u quan tr\u1ecdng trong vi\u1ec7c n\u1ed1i d\u00e2y b\u1ed9 m\u00e3 h\u00f3a gia s\u1ed1:<\/p>\n\n<ul>\n<li><strong>K\u00eanh A<\/strong> v\u00e0 <strong>K\u00eanh B<\/strong> l\u00e0 c\u00e1c chu\u1ed7i xung s\u00f3ng vu\u00f4ng, l\u1ec7ch pha 90 \u0111\u1ed9 \u0111i\u1ec7n. Ch\u1ec9 c\u1ea7n \u0111\u1ebfm xung A l\u00e0 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9. N\u1ebfu \u0111\u1ebfm c\u1ea3 A v\u00e0 B c\u00f9ng l\u00fac (ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ebfm vu\u00f4ng g\u00f3c), m\u1ed1i quan h\u1ec7 pha s\u1ebd cho bi\u1ebft h\u01b0\u1edbng quay: n\u1ebfu A \u0111i tr\u01b0\u1edbc B trong m\u1ed9t h\u01b0\u1edbng quay, th\u00ec B s\u1ebd \u0111i tr\u01b0\u1edbc A trong h\u01b0\u1edbng quay ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n<li><strong>K\u00eanh Z<\/strong> ph\u00e1t ra m\u1ed9t xung cho m\u1ed7i v\u00f2ng quay. \u0110\u00e2y ch\u00ednh l\u00e0 ch\u1ec9 s\u1ed1, t\u1ee9c l\u00e0 d\u1ea5u hi\u1ec7u \u201c\u0111\u00e2y l\u00e0 \u0111i\u1ec3m \u0111\u1ec9nh c\u1ee7a v\u00f2ng quay\u201d, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb ban \u0111\u1ea7u v\u00e0 \u0111\u1ec3 x\u00e1c minh r\u1eb1ng kh\u00f4ng c\u00f3 xung n\u00e0o b\u1ecb m\u1ea5t.<\/li>\n<li><strong>PPR<\/strong> (s\u1ed1 xung tr\u00ean m\u1ed7i v\u00f2ng quay) l\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i. C\u00e1c gi\u00e1 tr\u1ecb th\u00f4ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p dao \u0111\u1ed9ng t\u1eeb v\u00e0i ch\u1ee5c \u0111\u1ebfn h\u01a1n m\u1ed9t ngh\u00ecn xung tr\u00ean m\u1ed7i v\u00f2ng quay. S\u1ed1 xung tr\u00ean m\u1ed7i v\u00f2ng quay c\u00e0ng cao th\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111o l\u01b0\u1eddng c\u00e0ng cao, nh\u01b0ng t\u1ea7n s\u1ed1 \u0111\u1ea7u ra c\u0169ng s\u1ebd cao h\u01a1n \u1edf c\u00f9ng m\u1ed9t t\u1ed1c \u0111\u1ed9 tr\u1ee5c.<\/li>\n<\/ul>\n\n<p>Tr\u01b0\u1edbc khi \u0111i s\u00e2u h\u01a1n, c\u1ea7n l\u01b0u \u00fd m\u1ed9t \u0111i\u1ec3m nh\u1ea7m l\u1eabn v\u1ec1 thu\u1eadt ng\u1eef. \u201cB\u1ed9 m\u00e3 h\u00f3a t\u0103ng d\u1ea7n\u201d m\u00e0 c\u00e1c nh\u00e0 \u0111am m\u00ea th\u01b0\u1eddng k\u1ebft n\u1ed1i v\u1edbi vi \u0111i\u1ec1u khi\u1ec3n (n\u00fat xoay c\u00f3 ch\u1ed1t c\u1ed1 \u0111\u1ecbnh tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n) th\u1ef1c ch\u1ea5t l\u00e0 m\u1ed9t c\u00f4ng t\u1eafc ti\u1ebfp \u0111i\u1ec3m c\u01a1 h\u1ecdc kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n. Trong khi \u0111\u00f3, c\u00e1c b\u1ed9 m\u00e3 h\u00f3a c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong b\u00e0i vi\u1ebft n\u00e0y l\u00e0 c\u00e1c thi\u1ebft b\u1ecb c\u00f3 ngu\u1ed3n \u0111i\u1ec7n (5\u201324 V DC) v\u00e0 ph\u00e1t ra t\u00edn hi\u1ec7u s\u1ed1 A\/B\/Z th\u1ef1c s\u1ef1; c\u00e1c quy t\u1eafc k\u1ebft n\u1ed1i gi\u1eefa hai lo\u1ea1i n\u00e0y kh\u00f4ng th\u1ec3 \u00e1p d\u1ee5ng l\u1eabn nhau.<\/p>\n\n<h2>N\u0103m lo\u1ea1i \u0111\u1ea7u ra c\u1ee7a b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng \u2014 v\u00e0 c\u00e1ch \u0111\u1ecdc ch\u00fang tr\u00ean b\u1ea3ng hi\u1ec7u k\u1ef9 thu\u1eadt<\/h2>\n\n<p>M\u1ecdi nh\u00e0 s\u1ea3n xu\u1ea5t b\u1ed9 m\u00e3 h\u00f3a \u0111\u1ec1u b\u00e1n nh\u1eefng thi\u1ebft b\u1ecb tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau nh\u01b0ng c\u00f3 nhi\u1ec1u phi\u00ean b\u1ea3n kh\u00e1c nhau v\u1ec1 th\u00f4ng s\u1ed1 \u0111i\u1ec7n. N\u1ec1n t\u1ea3ng c\u01a1 kh\u00ed, tr\u1ee5c, v\u1ecf, th\u1eadm ch\u00ed c\u1ea3 thang \u0111\u1ed9 ph\u00e2n gi\u1ea3i, \u0111\u1ec1u c\u00f3 th\u1ec3 gi\u1ed1ng h\u1ec7t nhau gi\u1eefa c\u00e1c phi\u00ean b\u1ea3n. \u0110i\u1ec1u thay \u0111\u1ed5i l\u00e0 <strong>m\u1ea1ch \u0111\u1ea7u ra<\/strong>, m\u1ea1ch b\u00ean trong b\u1ed9 m\u00e3 h\u00f3a c\u00f3 ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n c\u00e1c d\u00e2y t\u00edn hi\u1ec7u. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t trong vi\u1ec7c n\u1ed1i d\u00e2y b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng: m\u1ea1ch \u0111\u1ea7u ra quy\u1ebft \u0111\u1ecbnh b\u1ed9 \u0111\u1ebfm n\u00e0o m\u00e0 b\u1ed9 m\u00e3 h\u00f3a c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n, v\u00e0 th\u00f4ng tin n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c ghi trong ph\u1ea7n h\u1eadu t\u1ed1 c\u1ee7a t\u00ean m\u1eabu.<\/p>\n\n<div class=\"table-wrapper\"><table class=\"rich-table\">\n<thead><tr><th>M\u1ea1ch \u0111\u1ea7u ra<\/th><th>Ch\u1ee9c n\u0103ng \u0111i\u1ec7n c\u1ee7a n\u00f3 l\u00e0 g\u00ec<\/th><th>Ngu\u1ed3n cung th\u00f4ng th\u01b0\u1eddng<\/th><th>N\u01a1i b\u1ea1n g\u1eb7p n\u00f3<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u0110i\u1ec7n \u00e1p \u0111\u1ea7u ra<\/td><td>C\u1ea5p NPN c\u00f3 \u0111i\u1ec7n tr\u1edf n\u1ed1i ti\u1ebfp t\u00edch h\u1ee3p (~2 k\u03a9); dao \u0111\u1ed9ng t\u1eeb tr\u1ea1ng th\u00e1i tr\u1edf kh\u00e1ng cao \u0111\u1ebfn m\u1ea1ch \u0111\u1ea5t<\/td><td>5\u201312 V DC<\/td><td>D\u00e2y c\u00e1p ng\u1eafn k\u1ebft n\u1ed1i v\u1edbi c\u00e1c \u0111\u1ea7u v\u00e0o c\u00f3 tr\u1edf kh\u00e1ng cao; phi\u00ean b\u1ea3n c\u0169 c\u00f3 gi\u00e1 r\u1ebb nh\u1ea5t<\/td><\/tr>\n<tr><td>NPN c\u1ef1c thu m\u1edf<\/td><td>Khi \u0111ang ho\u1ea1t \u0111\u1ed9ng, m\u1ea1ch s\u1ebd d\u1eabn d\u00f2ng \u0111i\u1ec7n v\u1ec1 \u0111\u1ea5t; c\u1ea7n c\u00f3 ngu\u1ed3n c\u1ea5p d\u00f2ng ho\u1eb7c m\u1ed9t \u0111i\u1ec7n tr\u1edf k\u00e9o l\u00ean b\u00ean ngo\u00e0i n\u1ed1i v\u1edbi ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n c\u1ee7a b\u1ea1n<\/td><td>5\u201324 V DC<\/td><td>Lo\u1ea1i b\u1ed9 m\u00e3 h\u00f3a ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean th\u1ecb tr\u01b0\u1eddng ph\u1ee5 t\u00f9ng thay th\u1ebf cho m\u00e1y m\u00f3c, phi\u00ean b\u1ea3n \u201cc\u00f4ng c\u1ee5 ch\u1ee7 l\u1ef1c\u201d<\/td><\/tr>\n<tr><td>PNP c\u1ef1c thu m\u1edf<\/td><td>Khi \u0111ang ho\u1ea1t \u0111\u1ed9ng, ngu\u1ed3n s\u1ebd l\u1ea5y d\u00f2ng \u0111i\u1ec7n t\u1eeb ngu\u1ed3n c\u1ea5p c\u1ee7a n\u00f3; c\u1ea7n c\u00f3 d\u00f2ng \u0111i\u1ec7n v\u00e0o \u00e2m<\/td><td>12\u201324 V DC<\/td><td>C\u00e1c m\u00e1y \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c \u0111\u1ea7u v\u00e0o PLC ki\u1ec3u ch\u00ecm theo ti\u00eau chu\u1ea9n ch\u00e2u \u00c2u<\/td><\/tr>\n<tr><td>B\u1ed5 sung (ki\u1ec3u \u0111\u1ea9y-k\u00e9o)<\/td><td>Ch\u1ee9a c\u1ea3 c\u00e1c c\u1ea5p NPN v\u00e0 PNP, c\u1ef1c h\u00fat v\u00e0 c\u1ef1c ngu\u1ed3n, do \u0111\u00f3 c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u1ea3 hai lo\u1ea1i \u0111\u1ea7u v\u00e0o<\/td><td>12\u201324 V DC<\/td><td>\u0110\u01b0\u1ee3c \u01b0u ti\u00ean s\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p m\u1ed9t linh ki\u1ec7n d\u1ef1 ph\u00f2ng ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1ea7u v\u00e0o ch\u01b0a bi\u1ebft; \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c \u0111o\u1ea1n d\u00e2y \u0111\u01a1n \u0111\u1ea7u d\u00e0i h\u01a1n<\/td><\/tr>\n<tr><td>B\u1ed9 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u0111\u01b0\u1eddng truy\u1ec1n (RS422)<\/td><td>\u0110\u1ea7u ra vi sai: A v\u00e0 \/A, B v\u00e0 \/B (th\u01b0\u1eddng l\u00e0 Z v\u00e0 \/Z), \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi chip RS422<\/td><td>5 V DC (\u00b15%)<\/td><td>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n servo v\u00e0 c\u00e1c \u0111o\u1ea1n c\u00e1p d\u00e0i, g\u00e2y \u1ed3n; gi\u1ea3i ph\u00e1p mang l\u1ea1i hi\u1ec7u su\u1ea5t cao nh\u1ea5t<\/td><\/tr>\n<\/tbody>\n<\/table><\/div>\n\n<p>Trong d\u00f2ng s\u1ea3n ph\u1ea9m b\u1ed9 m\u00e3 h\u00f3a t\u0103ng d\u1ea7n \u2013 v\u1ed1n chi\u1ebfm \u01b0u th\u1ebf trong l\u0129nh v\u1ef1c s\u1eeda ch\u1eefa m\u00e1y m\u00f3c \u2013 danh s\u00e1ch \u0111\u1ed9 ph\u00e2n gi\u1ea3i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng chung cho c\u1ea3 n\u0103m bi\u1ebfn th\u1ec3. Ch\u1ec9 c\u1ea7n xem h\u1eadu t\u1ed1 l\u00e0 b\u1ea1n \u0111\u00e3 bi\u1ebft \u0111\u01b0\u1ee3c m\u1ea1ch \u0111\u1ea7u ra v\u00e0 \u0111i\u1ec7n \u00e1p ngu\u1ed3n ngay c\u1ea3 tr\u01b0\u1edbc khi m\u1edf v\u1ecf thi\u1ebft b\u1ecb.<\/p>\n\n<h3>\u0110i\u1ec7n \u00e1p ngu\u1ed3n: c\u00e1c d\u00f2ng 5 V v\u00e0 12\u201324 V kh\u00f4ng th\u1ec3 thay th\u1ebf l\u1eabn nhau<\/h3>\n\n<p>Ngu\u1ed3n \u0111i\u1ec7n cho b\u1ed9 m\u00e3 h\u00f3a \u0111\u01b0\u1ee3c chia th\u00e0nh ba d\u1ea3i \u0111i\u1ec7n \u00e1p ch\u00ednh: 5 V DC (h\u1ea7u nh\u01b0 lu\u00f4n thu\u1ed9c d\u00f2ng RS422\/b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u01b0\u1eddng truy\u1ec1n), 5\u201312 V v\u00e0 12\u201324 V DC (d\u1ea3i \u0111i\u1ec7n \u00e1p ch\u1ee7 y\u1ebfu trong c\u00f4ng nghi\u1ec7p). C\u00f3 hai quy t\u1eafc quan tr\u1ecdng h\u01a1n b\u1ea5t k\u1ef3 s\u01a1 \u0111\u1ed3 n\u1ed1i d\u00e2y n\u00e0o:<\/p>\n\n<ol>\n<li><strong>Kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n cho b\u1ed9 m\u00e3 h\u00f3a 12\u201324 V t\u1eeb, ho\u1eb7c k\u1ebft n\u1ed1i b\u1ed9 m\u00e3 h\u00f3a n\u00e0y v\u00e0o, m\u1ed9t m\u1ea1ch 5 V<\/strong>, v\u00e0 m\u1ed9t b\u1ed9 m\u00e3 h\u00f3a 5 V \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n t\u1eeb ngu\u1ed3n 24 V c\u00f3 th\u1ec3 h\u1ecfng ngay l\u1eadp t\u1ee9c. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t in c\u1ea3nh b\u00e1o n\u00e0y trong b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt; h\u00e3y hi\u1ec3u theo \u0111\u00fang ngh\u0129a \u0111en.<\/li>\n<li>D\u00e2y 0 V c\u1ee7a b\u1ed9 m\u00e3 h\u00f3a ph\u1ea3i \u0111\u01b0\u1ee3c n\u1ed1i chung v\u1edbi c\u00f9ng m\u1ed9t \u0111i\u1ec3m chung v\u1edbi \u0111\u1ea7u v\u00e0o b\u1ed9 \u0111\u1ebfm v\u00e0 ngu\u1ed3n c\u1ea5p. N\u1ebfu \u0111i\u1ec3m chung b\u1ecb n\u1ed5i ho\u1eb7c \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t k\u00e9p, s\u1ebd d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ebfm kh\u00f4ng li\u00ean t\u1ee5c, tr\u00f4ng gi\u1ed1ng nh\u01b0 l\u1ed7i c\u1ee7a b\u1ed9 m\u00e3 h\u00f3a.<\/li>\n<\/ol>\n\n<h3>M\u00e0u d\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 ti\u00eau chu\u1ea9n \u2014 h\u00e3y \u0111\u1ecdc b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ph\u1ea7n h\u1eadu t\u1ed1<\/h3>\n\n<p>Kh\u00f4ng c\u00f3 m\u00e3 m\u00e0u chung cho b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng. M\u1ed7i nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec1u c\u00f4ng b\u1ed1 b\u1ea3ng m\u00e3 m\u00e0u ri\u00eang c\u1ee7a m\u00ecnh: m\u1ed9t danh m\u1ee5c s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00e2u \u00c2u g\u00e1n c\u00e1c m\u00e0u tr\u1eafng, n\u00e2u, xanh l\u00e1, v\u00e0ng, x\u00e1m, h\u1ed3ng, xanh d\u01b0\u01a1ng, \u0111\u1ecf, c\u00f9ng v\u1edbi d\u00e2y ch\u1eafn, cho \u0111\u1ea7u n\u1ed1i 12 ch\u00e2n c\u1ee7a h\u1ecd; trong khi \u0111\u00f3, b\u1ea3ng m\u00e3 m\u00e0u cho \u0111\u1ea7u n\u1ed1i 8 ch\u00e2n ki\u1ec3u \u0111\u01a1n \u0111\u1ea7u c\u1ee7a m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t M\u1ef9 l\u1ea1i kh\u00e1c bi\u1ec7t ho\u00e0n to\u00e0n. Hai b\u1ed9 m\u00e3 h\u00f3a c\u00f3 m\u00e0u d\u00e2y gi\u1ed1ng h\u1ec7t nhau c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u1ed1i d\u00e2y ho\u00e0n to\u00e0n kh\u00e1c nhau. N\u1ebfu d\u00e2y c\u00e1p b\u1ecb c\u1eaft, nh\u00e3n b\u1ecb m\u1ea5t ho\u1eb7c b\u1ea1n \u0111ang thay \u0111\u1ed5i th\u01b0\u01a1ng hi\u1ec7u, \u0111\u00e2y l\u00e0 th\u1ee9 t\u1ef1 \u0111\u00e1ng tin c\u1eady:<\/p>\n\n<ol>\n<li>H\u00e3y \u0111\u1ecdc th\u00f4ng tin tr\u00ean nh\u00e3n hi\u1ec7u. Th\u00f4ng tin v\u1ec1 m\u1ea1ch \u0111\u1ea7u ra v\u00e0 \u0111i\u1ec7n \u00e1p ngu\u1ed3n th\u01b0\u1eddng \u0111\u01b0\u1ee3c in s\u1eb5n ho\u1eb7c \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a trong s\u1ed1 hi\u1ec7u model.<\/li>\n<li>Gi\u1ea3i m\u00e3 h\u1eadu t\u1ed1 c\u1ee7a m\u1eabu s\u1ea3n ph\u1ea9m d\u1ef1a tr\u00ean b\u1ea3ng th\u00f4ng tin c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t (nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng b\u1ed1 b\u1ea3ng gi\u1ea3i m\u00e3 \u0111\u1ea7y \u0111\u1ee7 trong b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ho\u1eb7c h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t).<\/li>\n<li>Ch\u1ec9 khi \u0111\u00f3, b\u1ea1n m\u1edbi n\u00ean tra c\u1ee9u b\u1ea3ng m\u00e0u ho\u1eb7c s\u01a1 \u0111\u1ed3 ch\u00e2n c\u1eafm c\u1ee7a ch\u00ednh m\u1eabu s\u1ea3n ph\u1ea9m \u0111\u00f3.<\/li>\n<\/ol>\n\n<div class=\"rich-callout\">\n<span class=\"rich-callout-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3\"\/><path d=\"M12 9v4\"\/><path d=\"M12 17h.01\"\/><\/svg><\/span>\n<p class=\"rich-callout-text\">M\u00e0u d\u00e2y \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh theo t\u1eebng b\u1ea3ng d\u1eef li\u1ec7u, kh\u00f4ng ph\u1ea3i theo ti\u00eau chu\u1ea9n ng\u00e0nh. Hai b\u1ed9 m\u00e3 h\u00f3a c\u00f3 c\u00f9ng m\u00e0u d\u00e2y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u1ed1i d\u00e2y theo c\u00e1ch kh\u00e1c nhau. H\u00e3y ki\u1ec3m tra s\u1ed1 model tr\u01b0\u1edbc khi d\u1ef1a v\u00e0o m\u00e0u d\u00e2y.<\/p>\n<\/div>\n\n<p>M\u1ed9t tr\u01b0\u1eddng h\u1ee3p \u0111\u1ee9t c\u00e1p th\u1ef1c t\u1ebf \u0111\u00e3 minh h\u1ecda r\u00f5 \u0111i\u1ec1u n\u00e0y: m\u1ed9t k\u1ef9 thu\u1eadt vi\u00ean s\u1eed d\u1ee5ng b\u1ed9 m\u00e3 h\u00f3a 8 d\u00e2y kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c \u0111\u00e3 \u0111\u0103ng \u1ea3nh l\u00ean di\u1ec5n \u0111\u00e0n v\u00e0 h\u1ecfi d\u00e2y n\u00e0o t\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u00edn hi\u1ec7u n\u00e0o. M\u1ecdi ng\u01b0\u1eddi trong di\u1ec5n \u0111\u00e0n ch\u1ec9 c\u00f3 th\u1ec3 tr\u1ea3 l\u1eddi sau khi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c s\u1ed1 model v\u00e0 tra c\u1ee9u b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a s\u1ea3n ph\u1ea9m. S\u1ed1 model, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u00e0u s\u1eafc, m\u1edbi l\u00e0 ch\u00eca kh\u00f3a.<\/p>\n\n\n<div class=\"bp-hook-card\">\n<p class=\"bp-hook-title\"><span class=\"bp-hook-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M12.586 2.586A2 2 0 0 0 11.172 2H4a2 2 0 0 0-2 2v7.172a2 2 0 0 0 .586 1.414l8.704 8.704a2.426 2.426 0 0 0 3.42 0l6.58-6.58a2.426 2.426 0 0 0 0-3.42z\"\/><circle cx=\"7.5\" cy=\"7.5\" r=\".5\" fill=\"currentColor\"\/><\/svg><\/span>M\u1ea1ch \u0111\u1ea7u ra l\u00e0 ph\u1ea7n \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a b\u1edfi h\u1eadu t\u1ed1 c\u1ee7a m\u00f4 h\u00ecnh.<\/p>\n<div class=\"bp-hook-chips\"><span class=\"bp-hook-chip\">B\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1eddng d\u00e2y 5 V<\/span><span class=\"bp-hook-chip\">12\u201324 V, b\u1ed5 sung<\/span><span class=\"bp-hook-chip\">NPN ki\u1ec3u thu th\u1eadp m\u1edf<\/span><span class=\"bp-hook-chip\">PNP c\u1ef1c thu m\u1edf<\/span><\/div>\n<p class=\"bp-hook-caption\">C\u00e1c ch\u1eef c\u00e1i sau d\u1ea5u g\u1ea1ch ngang cho bi\u1ebft b\u1ea1n \u0111ang c\u1ea7m lo\u1ea1i n\u00e0o.<\/p>\n<\/div>\n\n<h2>K\u1ebft h\u1ee3p \u0111\u1ea7u ra v\u1edbi \u0111\u1ea7u v\u00e0o b\u1ed9 \u0111\u1ebfm: Ma tr\u1eadn t\u01b0\u01a1ng th\u00edch<\/h2>\n\n<p>B\u00e2y gi\u1edd \u0111\u1ebfn ph\u1ea7n quy\u1ebft \u0111\u1ecbnh v\u1ec1 vi\u1ec7c n\u1ed1i d\u00e2y. Ph\u00eda b\u1ed9 \u0111\u1ebfm (m\u1ed9t th\u1ebb \u0111\u1ebfm t\u1ed1c \u0111\u1ed9 cao c\u1ee7a PLC, c\u1ed5ng b\u1ed9 m\u00e3 h\u00f3a c\u1ee7a b\u1ed9 bi\u1ebfn t\u1ea7n ho\u1eb7c m\u1ed9t b\u1ed9 \u0111\u1ebfm \u0111\u1ed9c l\u1eadp) c\u00f3 m\u1ea1ch \u0111\u1ea7u v\u00e0o l\u00e0 <strong>\u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c<\/strong>. \u201cSinking\u201d ho\u1eb7c \u201csourcing\u201d l\u00e0 nh\u1eefng thu\u1eadt ng\u1eef b\u1ea1n c\u1ea7n bi\u1ebft: m\u1ed9t \u0111\u1ea7u v\u00e0o \u201csourcing\u201d cung c\u1ea5p d\u00f2ng \u0111i\u1ec7n v\u00e0 y\u00eau c\u1ea7u b\u1ed9 m\u00e3 h\u00f3a ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 \u201csinking\u201d (b\u1ed9 thu m\u1edf NPN ho\u1eb7c \u0111\u1ea7u ra \u0111i\u1ec7n \u00e1p). M\u1ed9t \u0111\u1ea7u v\u00e0o \u201csinking\u201d ti\u00eau th\u1ee5 d\u00f2ng \u0111i\u1ec7n v\u00e0 y\u00eau c\u1ea7u b\u1ed9 m\u00e3 h\u00f3a ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 \u201csourcing\u201d (b\u1ed9 thu m\u1edf PNP). C\u00e1c \u0111\u1ea7u ra b\u1ed5 sung c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u1ea3 hai ch\u1ebf \u0111\u1ed9 n\u00e0y. C\u00e1c \u0111\u1ea7u v\u00e0o vi sai y\u00eau c\u1ea7u c\u00e1c t\u00edn hi\u1ec7u gh\u00e9p \u0111\u00f4i A\/\/A, B\/\/B.<\/p>\n\n<div class=\"table-wrapper\"><table class=\"rich-table\">\n<thead><tr><th>\u0110\u1ea7u ra b\u1ed9 m\u00e3 h\u00f3a<\/th><th>Ph\u00f9 h\u1ee3p v\u1edbi<\/th><th>C\u1ea7n th\u00eam c\u00e1c b\u1ed9 ph\u1eadn<\/th><th>N\u1ebfu b\u1ea1n v\u1eabn c\u1ed1 l\u00e0m b\u1eb1ng m\u1ecdi gi\u00e1<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u0110i\u1ec7n \u00e1p \u0111\u1ea7u ra<\/td><td>\u0110\u1ea7u v\u00e0o tr\u1edf kh\u00e1ng cao \/ \u0111\u1ea7u v\u00e0o ngu\u1ed3n, kho\u1ea3ng c\u00e1ch ng\u1eafn<\/td><td>Th\u00f4ng th\u01b0\u1eddng kh\u00f4ng c\u00f3 (\u0111\u00e3 t\u00edch h\u1ee3p s\u1eb5n \u0111i\u1ec7n tr\u1edf)<\/td><td>C\u00e1c c\u1ea1nh y\u1ebfu tr\u00ean c\u00e1c \u0111o\u1ea1n d\u00e2y d\u00e0i ho\u1eb7c c\u00f3 \u0111i\u1ec7n dung, s\u1ed1 l\u01b0\u1ee3ng b\u1ecb thi\u1ebfu<\/td><\/tr>\n<tr><td>NPN c\u1ef1c thu m\u1edf<\/td><td>Ngu\u1ed3n \u0111\u1ea7u v\u00e0o (C\u00e1c nh\u00e3n \u201csink\u201d\/\u201csource\u201d tr\u00ean PLC kh\u00e1c nhau t\u00f9y theo nh\u00e0 s\u1ea3n xu\u1ea5t; h\u00e3y tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng)<\/td><td>N\u00ean l\u1eafp \u0111i\u1ec7n tr\u1edf k\u00e9o l\u00ean m\u1ee9c \u0111i\u1ec7n \u00e1p ngu\u1ed3n n\u1ebfu \u0111\u1ea7u v\u00e0o kh\u00f4ng cung c\u1ea5p \u0111i\u1ec7n \u00e1p n\u00e0y (theo s\u01a1 \u0111\u1ed3 m\u1ea1ch c\u1ee7a m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t, gi\u00e1 tr\u1ecb l\u00e0 2,2 k\u03a9 n\u1ed1i v\u1edbi +V)<\/td><td>Kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u n\u00e0o c\u1ea3: \u0111\u1ea7u ra kh\u00f4ng th\u1ec3 k\u00e9o m\u1ee9c \u0111\u1ea7u v\u00e0o l\u00ean cao<\/td><\/tr>\n<tr><td>PNP c\u1ef1c thu m\u1edf<\/td><td>D\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o gi\u1ea3m d\u1ea7n<\/td><td>Kh\u00f4ng c\u00f3<\/td><td>Kh\u00f4ng c\u00f3 s\u1ed1 \u0111\u1ebfm; c\u00f3 th\u1ec3 x\u1ea3y ra h\u01b0 h\u1ecfng n\u1ebfu \u0111\u1ea7u v\u00e0o b\u1ecb k\u1eb9p v\u00e0o thanh d\u1eabn d\u01b0\u1edbi<\/td><\/tr>\n<tr><td>B\u1ed5 sung<\/td><td>Ch\u00ecm <strong>ho\u1eb7c<\/strong> t\u00ecm ngu\u1ed3n cung \u1ee9ng, \u0111\u1ea7u \u0111\u01a1n<\/td><td>Kh\u00f4ng c\u00f3<\/td><td>Ho\u1ea1t \u0111\u1ed9ng; \u0111\u00e2y ch\u00ednh l\u00e0 \u00fd ngh\u0129a c\u1ee7a ki\u1ec3u n\u00e0y<\/td><\/tr>\n<tr><td>B\u1ed9 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u0111\u01b0\u1eddng truy\u1ec1n (RS422)<\/td><td>\u0110\u1ea7u v\u00e0o vi sai (A\/\/A, B\/\/B)<\/td><td>K\u1ebft th\u00fac 120 \u03a9 t\u1ea1i \u0111\u1ea7u thu \u0111\u1ed1i v\u1edbi c\u00e1c \u0111o\u1ea1n c\u00e1p d\u00e0i<\/td><td>\u0110\u1ebfm c\u00f3 nhi\u1ec5u; \u0111\u1ea7u v\u00e0o m\u1ed9t \u0111\u1ea7u ch\u1ec9 \u0111\u1ecdc m\u1ed9t b\u00ean c\u1ee7a c\u1eb7p<\/td><\/tr>\n<\/tbody>\n<\/table><\/div>\n\n<p>Quy t\u1eafc \u201cm\u1ed9t c\u00e2u\u201d gi\u00fap gi\u1ea3i quy\u1ebft h\u1ea7u h\u1ebft c\u00e1c th\u1eafc m\u1eafc v\u1ec1 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n: <strong>D\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o c\u1ee7a b\u1ed9 \u0111\u1ebfm l\u00e0 gi\u00e1 tr\u1ecb c\u1ed1 \u0111\u1ecbnh, v\u00e0 \u0111\u1ea7u ra c\u1ee7a b\u1ed9 m\u00e3 h\u00f3a ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi gi\u00e1 tr\u1ecb \u0111\u00f3<\/strong>. H\u00e3y tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng c\u1ee7a b\u1ed9 \u0111\u1ebfm tr\u01b0\u1edbc khi ch\u1ecdn ho\u1eb7c \u0111\u1eb7t h\u00e0ng b\u1ed9 m\u00e3 h\u00f3a, ch\u1ee9 \u0111\u1eebng \u0111\u1ee3i \u0111\u1ebfn sau \u0111\u00f3. \u0110\u00e2y ch\u00ednh l\u00e0 \u0111i\u1ec3m g\u00e2y nh\u1ea7m l\u1eabn do c\u00e1ch d\u00f9ng thu\u1eadt ng\u1eef c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t: m\u1ed9t nh\u00e0 cung c\u1ea5p g\u1ecdi b\u1ed9 ph\u1eadn n\u00e0y l\u00e0 \u2019push-pull\u201c, nh\u00e0 cung c\u1ea5p kh\u00e1c g\u1ecdi l\u00e0 \u201dcomplementary\u201c, c\u00f2n nh\u00e0 cung c\u1ea5p th\u1ee9 ba ch\u1ec9 in ch\u1eef \u201dPP\u201c trong m\u00e3 s\u1ea3n ph\u1ea9m. C\u00f9ng m\u1ed9t d\u00f2ng s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed, nh\u01b0ng l\u1ea1i c\u00f3 ba c\u00e1ch g\u1ecdi kh\u00e1c nhau. H\u00e3y gi\u1ea3i m\u00e3 m\u00e3 s\u1ea3n ph\u1ea9m, \u0111\u1eebng \u0111o\u00e1n m\u00f2 d\u1ef1a tr\u00ean t\u00ean g\u1ecdi.<\/p>\n\n<h3>K\u1ebft n\u1ed1i \u0111\u01a1n \u0111\u1ea7u so v\u1edbi k\u1ebft n\u1ed1i vi sai: khi m\u1ed9t d\u00e2y cho m\u1ed7i k\u00eanh l\u00e0 kh\u00f4ng \u0111\u1ee7<\/h3>\n\n<p>C\u00e1ch \u0111\u1ea5u d\u00e2y m\u1ed9t \u0111\u1ea7u s\u1eed d\u1ee5ng m\u1ed9t d\u00e2y cho m\u1ed7i k\u00eanh (A, B, c\u00f3 th\u1ec3 c\u00f3 Z) n\u1ed1i v\u1edbi m\u1ed9t \u0111i\u1ec3m \u0111\u1ea5t chung. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01a1n gi\u1ea3n, r\u1ebb ti\u1ec1n v\u00e0 ho\u00e0n to\u00e0n \u0111\u00e1ng tin c\u1eady khi l\u1eafp \u0111\u1eb7t trong t\u1ee7 thi\u1ebft b\u1ecb s\u1ea1ch s\u1ebd v\u00e0 tr\u00ean c\u00e1c \u0111o\u1ea1n d\u00e2y ng\u1eafn. K\u1ebft n\u1ed1i vi sai truy\u1ec1n m\u1ed7i k\u00eanh d\u01b0\u1edbi d\u1ea1ng m\u1ed9t c\u1eb7p d\u00e2y xo\u1eafn ch\u1ee9a c\u00e1c t\u00edn hi\u1ec7u b\u1ed5 sung cho nhau, A v\u00e0 \/A, B v\u00e0 \/B, v\u00e0 b\u1ed9 thu s\u1ebd tr\u1eeb ch\u00fang \u0111i. \u0110i\u1ec1u n\u00e0y gi\u00fap lo\u1ea1i b\u1ecf nhi\u1ec5u ch\u1ebf \u0111\u1ed9 chung (common-mode noise) thu \u0111\u01b0\u1ee3c d\u1ecdc theo d\u00e2y c\u00e1p. K\u1ebft n\u1ed1i vi sai l\u00e0 gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng khi kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn d\u00e0i ho\u1eb7c m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec5u \u0111i\u1ec7n t\u1eeb m\u1ea1nh. K\u1ebft n\u1ed1i m\u1ed9t \u0111\u1ea7u ph\u00f9 h\u1ee3p cho c\u00e1c \u0111o\u1ea1n d\u00e2y ng\u1eafn trong kh\u00f4ng gian h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 nhi\u1ec5u (<a href=\"https:\/\/www.motioncontroltips.com\/faq-what-are-ways-to-wire-an-incremental-encoder-into-a-motion-system\/\">motioncontroltips.com gi\u1ea3i th\u00edch s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa m\u1ea1ch \u0111\u01a1n \u0111\u1ea7u v\u00e0 m\u1ea1ch vi sai<\/a>).<\/p>\n\n<p>Hai l\u01b0u \u00fd th\u1ef1c t\u1ebf. Th\u1ee9 nh\u1ea5t, ranh gi\u1edbi kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 \u201c\u0111i\u1ec7n th\u1ebf ch\u00eanh l\u1ec7ch so v\u1edbi kh\u00f4ng\u201d: \u0111\u1ea7u ra b\u1ed5 sung (push-pull) v\u1eabn l\u00e0 lo\u1ea1i \u0111\u1ea7u ra \u0111\u01a1n c\u1ef1c nh\u01b0ng c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n m\u1ea1nh m\u1ebd, do \u0111\u00f3 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1nh gi\u00e1 n\u00f3 ph\u00f9 h\u1ee3p cho c\u00e1c \u0111o\u1ea1n c\u00e1p d\u00e0i h\u01a1n v\u00e0 m\u00f4i tr\u01b0\u1eddng nhi\u1ec5u cao h\u01a1n so v\u1edbi \u0111\u1ea7u ra thu m\u1edf. M\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh bi\u1ebfn th\u1ec3 b\u1ed5 sung c\u1ee7a m\u00ecnh cho c\u00e1c \u0111o\u1ea1n truy\u1ec1n d\u1eabn d\u00e0i h\u01a1n 10 m. Th\u1ee9 hai, khi b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u01b0\u1eddng truy\u1ec1n RS422 truy\u1ec1n qua m\u1ed9t s\u1ee3i c\u00e1p d\u00e0i, \u0111\u01b0\u1eddng truy\u1ec1n ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft th\u00fac t\u1ea1i \u0111\u1ea7u thu. Gi\u00e1 tr\u1ecb th\u00f4ng d\u1ee5ng l\u00e0 120 \u03a9, v\u00e0 c\u00e1c danh m\u1ee5c s\u1ea3n ph\u1ea9m b\u1ed9 m\u00e3 h\u00f3a n\u00eau r\u00f5 r\u1eb1ng ho\u1ea1t \u0111\u1ed9ng RS422 tr\u00ean kho\u1ea3ng c\u00e1ch xa y\u00eau c\u1ea7u k\u1ebft th\u00fac tr\u1edf kh\u00e1ng s\u00f3ng n\u00e0y.<\/p>\n\n<h3>Vi\u1ec7c che ch\u1eafn, n\u1ed1i \u0111\u1ea5t v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i d\u00e2y gi\u00fap ng\u0103n ng\u1eeba c\u00e1c s\u1ef1 c\u1ed1 \u1ea3o<\/h3>\n\n<p>H\u1ea7u h\u1ebft c\u00e1c s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn \u201cb\u1ed9 m\u00e3 h\u00f3a gi\u00e1n \u0111o\u1ea1n\u201d \u0111\u1ec1u do nhi\u1ec5u \u0111i\u1ec7n, v\u00e0 ph\u1ea7n l\u1edbn c\u00e1c tr\u01b0\u1eddng h\u1ee3p nhi\u1ec5u n\u00e0y xu\u1ea5t ph\u00e1t t\u1eeb v\u1ea5n \u0111\u1ec1 trong c\u00e1ch \u0111i d\u00e2y. C\u00e1c quy t\u1eafc r\u1ea5t \u0111\u01a1n gi\u1ea3n:<\/p>\n\n<ul>\n<li>D\u1eabn c\u00e1p b\u1ed9 m\u00e3 h\u00f3a trong \u1ed1ng d\u1eabn ho\u1eb7c c\u00e1ch xa c\u00e1c d\u00e2y c\u00e1p ngu\u1ed3n. Gi\u1eef kho\u1ea3ng c\u00e1ch \u00edt nh\u1ea5t kho\u1ea3ng m\u1ed9t foot so v\u1edbi h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u00e0 bi\u1ebfn t\u1ea7n, v\u00e0 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c b\u00f3 chung v\u1edbi nhau.<\/li>\n<li>Ch\u1ec9 n\u1ed1i \u0111\u1ea5t l\u1edbp ch\u1eafn \u1edf m\u1ed9t \u0111\u1ea7u. Vi\u1ec7c n\u1ed1i \u0111\u1ea5t c\u1ea3 hai \u0111\u1ea7u s\u1ebd t\u1ea1o ra m\u1ed9t v\u00f2ng l\u1eb7p n\u1ed1i \u0111\u1ea5t, khi\u1ebfn ch\u00ednh lo\u1ea1i nhi\u1ec5u xoay chi\u1ec1u m\u00e0 b\u1ea1n \u0111ang c\u1ed1 g\u1eafng ch\u1ed1ng l\u1ea1i l\u1ea1i x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng.<\/li>\n<li>N\u00ean s\u1eed d\u1ee5ng d\u00e2y \u0111\u00f4i xo\u1eafn cho c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n t\u00edn hi\u1ec7u khi c\u1ea5u tr\u00fac c\u00e1p cho ph\u00e9p.<\/li>\n<li>C\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn c\u00f4ng su\u1ea5t t\u1ea7n s\u1ed1: t\u1ea7n s\u1ed1 \u0111\u1ea7u ra = PPR \u00d7 RPM \u00f7 60. M\u1ed9t b\u1ed9 m\u00e3 h\u00f3a 1000-PPR \u1edf t\u1ed1c \u0111\u1ed9 6000 v\u00f2ng\/ph\u00fat s\u1ebd t\u1ea1o ra t\u1ea7n s\u1ed1 100 kHz \u2014 m\u1ee9c t\u1ed1i \u0111a \u0111\u1ecbnh m\u1ee9c c\u1ee7a nhi\u1ec1u b\u1ed9 m\u00e3 h\u00f3a \u2014 khi\u1ebfn kh\u00f4ng c\u00f2n d\u01b0 \u0111\u1ecba cho \u0111i\u1ec7n dung c\u1ee7a c\u00e1p. S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u00e0 c\u00e1p d\u00e0i ch\u00ednh l\u00e0 l\u00fd do khi\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng \u201cho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng tr\u00ean b\u00e0n th\u1eed nghi\u1ec7m\u201d l\u1ea1i tr\u1edf th\u00e0nh \u201cs\u1ed1 \u0111\u1ebfm b\u1ecb s\u1ee5t gi\u1ea3m khi v\u1eadn h\u00e0nh tr\u00ean m\u00e1y.\u201d<\/li>\n<\/ul>\n\n\n<div class=\"bp-cta-mid\">\n<p class=\"bp-cta-mid-text\">B\u1ea1n kh\u00f4ng ch\u1eafc m\u1ea1ch \u0111\u1ea7u ra n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi b\u1ed9 \u0111\u1ebfm c\u1ee7a m\u00ecnh? H\u00e3y g\u1eedi cho ch\u00fang t\u00f4i m\u00e3 model c\u1ee7a bo m\u1ea1ch b\u1ed9 \u0111\u1ebfm \u2014 ch\u00fang t\u00f4i s\u1ebd l\u1ef1a ch\u1ecdn b\u1ed9 m\u00e3 h\u00f3a ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ea7u v\u00e0o c\u1ee7a n\u00f3 tr\u01b0\u1edbc khi b\u1ea1n \u0111\u1eb7t h\u00e0ng.<\/p>\n<a class=\"bp-cta-mid-btn\" href=\"https:\/\/www.omch.com\/vi\/contact\/\" target=\"_self\">T\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ed9 m\u00e3 h\u00f3a c\u1ee7a t\u00f4i<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m12 5 7 7-7 7\"\/><\/svg><\/a>\n<\/div>\n\n<h2>C\u00e1c tri\u1ec7u ch\u1ee9ng v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u1ec1 h\u1ec7 th\u1ed1ng d\u00e2y d\u1eabn c\u1ee7a b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng: Kh\u00f4ng \u0111\u1ebfm \u0111\u01b0\u1ee3c, h\u01b0\u1edbng sai ho\u1eb7c c\u00f3 ti\u1ebfng \u1ed3n<\/h2>\n\n<p>Khi m\u1ed9t b\u1ed9 m\u00e3 h\u00f3a v\u1eeba \u0111\u01b0\u1ee3c l\u1eafp d\u00e2y m\u1edbi ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng b\u00ecnh th\u01b0\u1eddng, h\u00e3y ki\u1ec3m tra b\u1ea3ng tri\u1ec7u ch\u1ee9ng tr\u01b0\u1edbc khi nghi ng\u1edd ch\u00ednh b\u1ed9 m\u00e3 h\u00f3a \u0111\u00f3. H\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p tr\u1ea3 l\u1ea1i v\u1edbi l\u00fd do \u201cb\u1ed9 m\u00e3 h\u00f3a h\u1ecfng\u201d th\u1ef1c ch\u1ea5t l\u00e0 do kh\u00f4ng t\u01b0\u01a1ng th\u00edch giao di\u1ec7n, v\u00e0 t\u00ecnh tr\u1ea1ng n\u00e0y s\u1ebd l\u1eb7p l\u1ea1i ngay c\u1ea3 khi thay th\u1ebf b\u1eb1ng b\u1ed9 m\u00e3 h\u00f3a kh\u00e1c.<\/p>\n\n<div class=\"table-wrapper\"><table class=\"rich-table\">\n<thead><tr><th>Tri\u1ec7u ch\u1ee9ng<\/th><th>H\u00e3y ki\u1ec3m tra tr\u01b0\u1edbc<\/th><th>C\u00e1ch kh\u1eafc ph\u1ee5c th\u00f4ng th\u01b0\u1eddng<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 s\u1ed1 li\u1ec7u n\u00e0o c\u1ea3<\/td><td>Ngu\u1ed3n \u0111i\u1ec7n hi\u1ec7n t\u1ea1i v\u00e0 chung c\u00f3 \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi \u0111i\u1ec3m 0 V c\u1ee7a b\u1ed9 \u0111\u1ebfm kh\u00f4ng? Lo\u1ea1i \u0111\u1ea7u ra c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ea7u v\u00e0o kh\u00f4ng?<\/td><td>\u0110i\u1ec1u ch\u1ec9nh m\u1ea1ch (th\u00eam \u0111i\u1ec7n tr\u1edf k\u00e9o l\u00ean cho transistor NPN khi k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ea7u v\u00e0o ngu\u1ed3n), ho\u1eb7c x\u00e1c nh\u1eadn lo\u1ea1i \u0111\u1ea7u ra d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt tr\u00ean nh\u00e3n m\u00e1y<\/td><\/tr>\n<tr><td>Ch\u1ec9 \u0111\u1ebfm theo m\u1ed9t chi\u1ec1u \/ chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i<\/td><td>Th\u1ee9 t\u1ef1 c\u00e1c pha A v\u00e0 B<\/td><td>\u0110\u1ed5i ch\u1ed7 cho d\u00e2y A v\u00e0 B. \u0110\u1ed1i v\u1edbi ch\u1ebf \u0111\u1ed9 vi sai, \u0111\u1ed5i ch\u1ed7 cho d\u00e2y A v\u1edbi d\u00e2y \/A. Vi\u1ec7c \u0111\u1ea3o chi\u1ec1u khi thay th\u1ebf l\u00e0 m\u1ed9t c\u00e1ch kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u1ec1 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n, ch\u1ee9 kh\u00f4ng ph\u1ea3i do linh ki\u1ec7n b\u1ecb l\u1ed7i.<\/td><\/tr>\n<tr><td>S\u1ed1 l\u1ea7n \u0111\u1ebfm th\u00eam kh\u00f4ng \u0111\u1ec1u<\/td><td>Nhi\u1ec5u: c\u00e1p n\u1eb1m g\u1ea7n d\u00e2y d\u1eabn \u0111i\u1ec7n, l\u1edbp ch\u1eafn \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t \u1edf c\u1ea3 hai \u0111\u1ea7u<\/td><td>N\u1ed1i \u0111\u1ea5t l\u1edbp ch\u1eafn \u1edf m\u1ed9t \u0111\u1ea7u, \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i \u0111\u01b0\u1eddng \u0111i sao cho tr\u00e1nh xa c\u00e1c d\u00e2y c\u00e1p VFD; n\u1ebfu s\u1ef1 c\u1ed1 v\u1eabn ti\u1ebfp di\u1ec5n, h\u00e3y chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 b\u1ed5 sung ho\u1eb7c vi sai.<\/td><\/tr>\n<tr><td>M\u1ea5t kh\u1ea3 n\u0103ng \u0111\u1ebfm khi di chuy\u1ec3n nhanh<\/td><td>Ng\u00e2n s\u00e1ch t\u1ea7n s\u1ed1 v\u00e0 chi\u1ec1u d\u00e0i c\u00e1p<\/td><td>Gi\u1ea3m t\u1ef7 l\u1ec7 PPR, r\u00fat ng\u1eafn qu\u00e3ng \u0111\u01b0\u1eddng ch\u1ea1y ho\u1eb7c t\u1eadn d\u1ee5ng s\u1ef1 ch\u00eanh l\u1ec7ch<\/td><\/tr>\n<tr><td>Thi\u1ebfu xung Z ho\u1eb7c xung Z kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/td><td>Z \u0111\u00e3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ea7u v\u00e0o b\u00ean ph\u1ea3i v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t trong b\u1ed9 \u0111\u1ebfm ch\u01b0a?<\/td><td>K\u1ebft n\u1ed1i d\u00e2y Z (v\u00e0 \/Z n\u1ebfu l\u00e0 t\u00edn hi\u1ec7u vi sai) v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng nhi\u1ec5u t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u1ed1i v\u1edbi A\/B. K\u00eanh ch\u1ec9 m\u1ee5c l\u00e0 k\u00eanh tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u \u0111\u1ed9t ng\u1ed9t<\/td><\/tr>\n<tr><td>Kh\u00f3i, nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c thi\u1ebft b\u1ecb ng\u1eebng ho\u1ea1t \u0111\u1ed9ng khi b\u1eadt ngu\u1ed3n<\/td><td>\u0110i\u1ec7n \u00e1p ngu\u1ed3n v\u00e0 c\u1ef1c t\u00ednh so v\u1edbi th\u00f4ng s\u1ed1 tr\u00ean nh\u00e3n hi\u1ec7u<\/td><td>T\u1eaft ngu\u1ed3n ngay l\u1eadp t\u1ee9c. Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng b\u1ed9 ngu\u1ed3n 5 V tr\u00ean m\u1ea1ch 24 V ho\u1eb7c n\u1ed1i sai c\u1ef1c; h\u00e3y ki\u1ec3m tra k\u1ef9 tr\u01b0\u1edbc khi thay th\u1ebf.<\/td><\/tr>\n<\/tbody>\n<\/table><\/div>\n\n<p>Hai nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n. Th\u1ee9 nh\u1ea5t, b\u1ea3ng n\u00e0y ch\u1ec9 l\u00e0 ch\u1ea9n \u0111o\u00e1n s\u01a1 b\u1ed9. M\u00e1y \u0111o (ho\u1eb7c ch\u1ebf \u0111\u1ed9 xem ch\u1ea9n \u0111o\u00e1n tr\u00ean b\u1ed9 \u0111\u1ebfm) m\u1edbi l\u00e0 c\u00f4ng c\u1ee5 gi\u00fap ph\u00e2n bi\u1ec7t nhi\u1ec5u \u0111i\u1ec7n v\u1edbi rung \u0111\u1ed9ng c\u01a1 h\u1ecdc \u2013 hai hi\u1ec7n t\u01b0\u1ee3ng tr\u00f4ng r\u1ea5t gi\u1ed1ng nhau. Th\u1ee9 hai, n\u1ebfu m\u1ed9t m\u00e1y m\u00f3c ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng tr\u01b0\u1edbc khi thay th\u1ebf linh ki\u1ec7n nh\u01b0ng l\u1ea1i g\u1eb7p s\u1ef1 c\u1ed1 sau \u0111\u00f3, h\u00e3y nghi ng\u1edd ph\u1ea7n giao di\u1ec7n tr\u01b0\u1edbc khi nghi ng\u1edd ch\u00ednh linh ki\u1ec7n \u0111\u00f3. Ch\u1ec9 ri\u00eang nguy\u00ean t\u1eafc n\u00e0y \u0111\u00e3 gi\u00fap ng\u0103n ch\u1eb7n ph\u1ea7n l\u1edbn c\u00e1c s\u1ef1 c\u1ed1 t\u00e1i di\u1ec5n.<\/p>\n\n<h2>Thay th\u1ebf b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng: N\u0103m th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n x\u00e1c \u0111\u1ecbnh r\u00f5 tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng<\/h2>\n\n<p>Qu\u00e1 tr\u00ecnh thay th\u1ebf ch\u00ednh l\u00e0 l\u00fac quy\u1ebft \u0111\u1ecbnh v\u1ec1 vi\u1ec7c \u0111\u1ea5u d\u00e2y b\u1ed9 m\u00e3 h\u00f3a t\u0103ng d\u1ea7n th\u1ef1c s\u1ef1 th\u00e0nh c\u00f4ng hay th\u1ea5t b\u1ea1i, b\u1edfi v\u00ec quy\u1ec1n quy\u1ebft \u0111\u1ecbnh v\u1ec1 c\u00e1ch \u0111\u1ea5u d\u00e2y chuy\u1ec3n t\u1eeb ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t sang b\u1ed9 ph\u1eadn \u0111\u1eb7t h\u00e0ng. Khi kh\u00e1ch h\u00e0ng g\u1eedi m\u00e3 s\u1ea3n ph\u1ea9m c\u0169, nh\u1eefng kh\u00e1c bi\u1ec7t d\u1eabn \u0111\u1ebfn vi\u1ec7c tr\u1ea3 h\u00e0ng h\u1ea7u nh\u01b0 kh\u00f4ng bao gi\u1edd li\u00ean quan \u0111\u1ebfn c\u01a1 kh\u00ed. Ch\u00fang l\u00e0 v\u1ea5n \u0111\u1ec1 \u0111i\u1ec7n t\u1eed, v\u00e0 t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi \u0111\u01a1n \u0111\u1eb7t h\u00e0ng \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh. M\u1ecdi bi\u1ebfn s\u1ed1 giao di\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u00f3i g\u1ecdn trong n\u0103m c\u00e2u h\u1ecfi:<\/p>\n\n<div class=\"rich-checklist\">\n<p class=\"rich-checklist-title\"><span class=\"rich-checklist-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"m3 17 2 2 4-4\"\/><path d=\"m3 7 2 2 4-4\"\/><path d=\"M13 6h8\"\/><path d=\"M13 12h8\"\/><path d=\"M13 18h8\"\/><\/svg><\/span>N\u0103m c\u00e2u h\u1ecfi c\u1ea7n l\u01b0u \u00fd tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng thay th\u1ebf<\/p>\n<ul class=\"rich-checklist-list\">\n<li><span class=\"rich-checklist-check\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><\/span><span>B\u1ed9 \u0111\u1ebfm ho\u1eb7c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ch\u1ea5p nh\u1eadn lo\u1ea1i t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o n\u00e0o: lo\u1ea1i h\u00fat, lo\u1ea1i ph\u00e1t hay lo\u1ea1i vi sai?<\/span><\/li>\n<li><span class=\"rich-checklist-check\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><\/span><span>M\u00e1y cung c\u1ea5p \u0111i\u1ec7n \u00e1p ngu\u1ed3n bao nhi\u00eau cho b\u1ed9 m\u00e3 h\u00f3a, v\u00e0 b\u1ed9 m\u00e3 h\u00f3a thay th\u1ebf c\u00f3 c\u1ea7n c\u00f9ng d\u1ea3i \u0111i\u1ec7n \u00e1p kh\u00f4ng?<\/span><\/li>\n<li><span class=\"rich-checklist-check\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><\/span><span>PPR c\u00f3 gi\u1ed1ng nhau kh\u00f4ng (ho\u1eb7c c\u00f3 n\u1eb1m trong ph\u1ea1m vi t\u1ea7n s\u1ed1 cho ph\u00e9p c\u1ee7a b\u1ed9 \u0111\u1ebfm khi ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a kh\u00f4ng)?<\/span><\/li>\n<li><span class=\"rich-checklist-check\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><\/span><span>M\u00e1y c\u00f3 c\u1ea7n k\u00eanh Z hay c\u00e1c k\u00eanh chuy\u1ec3n m\u1ea1ch U\/V\/W tr\u00ean servo kh\u00f4ng?<\/span><\/li>\n<li><span class=\"rich-checklist-check\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><\/span><span>D\u00e2y c\u00e1p v\u00e0 \u0111o\u1ea1n d\u00e2y: d\u00e2y d\u1eabn hay \u0111\u1ea7u n\u1ed1i, v\u00e0 li\u1ec7u \u0111o\u1ea1n d\u00e2y \u0111\u00f3 c\u00f3 \u0111\u1ee7 d\u00e0i hay ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec5u \u0111\u1ee7 nhi\u1ec1u \u0111\u1ec3 c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng \u0111\u1ea7u ra b\u1ed5 sung ho\u1eb7c \u0111\u1ea7u ra vi sai kh\u00f4ng?<\/span><\/li>\n<\/ul>\n<\/div>\n\n<p>1. <strong>B\u1ed9 \u0111\u1ebfm ch\u1ea5p nh\u1eadn c\u00e1c \u0111\u1ea7u v\u00e0o n\u00e0o?<\/strong> Lo\u1ea1i c\u1ef1c h\u00fat, c\u1ef1c ngu\u1ed3n hay t\u00edn hi\u1ec7u vi sai s\u1ebd quy\u1ebft \u0111\u1ecbnh d\u00f2ng s\u1ea3n ph\u1ea9m \u0111\u1ea7u ra: NPN d\u00e0nh cho c\u1ef1c ngu\u1ed3n, PNP d\u00e0nh cho c\u1ef1c h\u00fat, lo\u1ea1i b\u1ed5 sung cho c\u1ea3 hai, v\u00e0 b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u01b0\u1eddng truy\u1ec1n d\u00e0nh cho t\u00edn hi\u1ec7u vi sai.<\/p>\n\n<p>2. <strong>M\u00e1y n\u00e0y cung c\u1ea5p \u0111i\u1ec7n \u00e1p ngu\u1ed3n l\u00e0 bao nhi\u00eau?<\/strong> Thi\u1ebft b\u1ecb thay th\u1ebf ph\u1ea3i thu\u1ed9c c\u00f9ng d\u1ea3i \u0111i\u1ec7n \u00e1p. M\u1ed9t thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1edf d\u1ea3i 12\u201324 V s\u1ebd kh\u00f4ng th\u1ec3 v\u1eadn h\u00e0nh m\u1ed9t linh ki\u1ec7n 5 V, v\u00e0 m\u1ed9t bo m\u1ea1ch \u0111\u1ea7u v\u00e0o 5 V s\u1ebd kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ed9 m\u00e3 h\u00f3a 24 V.<\/p>\n\n<p>3. <strong>PPR c\u00f3 gi\u1ed1ng h\u1ec7t nhau kh\u00f4ng?<\/strong> Gi\u1eef nguy\u00ean PPR l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n. Vi\u1ec7c thay \u0111\u1ed5i PPR s\u1ebd l\u00e0m thay \u0111\u1ed5i t\u1ef7 l\u1ec7 \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 v\u00e0 c\u00f3 th\u1ec3 khi\u1ebfn t\u1ed1c \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n t\u1ea7n s\u1ed1 c\u1ee7a t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o khi ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a.<\/p>\n\n<p>4. <strong>Th\u1ef1c t\u1ebf th\u00ec nh\u1eefng k\u00eanh n\u00e0o \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng?<\/strong> C\u00e1c m\u00e1y ch\u1ec9 s\u1eed d\u1ee5ng A\/B kh\u00f4ng c\u1ea7n tr\u1ee5c Z, nh\u01b0ng c\u00e1c m\u00e1y c\u00f3 ch\u1ee9c n\u0103ng v\u1ec1 v\u1ecb tr\u00ed g\u1ed1c th\u00ec c\u1ea7n. Ngo\u00e0i ra, c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n servo c\u00f2n y\u00eau c\u1ea7u c\u00e1c k\u00eanh chuy\u1ec3n m\u1ea1ch (U\/V\/W).<\/p>\n\n<p>5. <strong>T\u00ecnh h\u00ecnh d\u00e2y c\u00e1p th\u1ebf n\u00e0o?<\/strong> \u0110\u1ea7u n\u1ed1i ho\u1eb7c d\u00e2y d\u1eabn r\u1eddi ph\u1ea3i t\u01b0\u01a1ng th\u00edch v\u1edbi m\u00e1y; trong khi c\u00e1c \u0111\u01b0\u1eddng d\u1eabn d\u00e0i ho\u1eb7c g\u00e2y nhi\u1ec5u s\u1ebd khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng \u01b0u ti\u00ean l\u1ef1a ch\u1ecdn \u0111\u1ea7u ra b\u1ed5 sung ho\u1eb7c \u0111\u1ea7u ra vi sai.<\/p>\n\n<p>N\u1ebfu \u0111\u00e1p \u1ee9ng \u0111\u1ee7 c\u1ea3 n\u0103m ti\u00eau ch\u00ed n\u00e0y, linh ki\u1ec7n thay th\u1ebf s\u1ebd t\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t k\u1ebft n\u1ed1i \u0111i\u1ec7n ngay t\u1eeb thi\u1ebft k\u1ebf. C\u00f4ng vi\u1ec7c c\u1ee7a ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t l\u00fac n\u00e0y ch\u1ec9 c\u00f2n l\u00e0 thao t\u00e1c c\u01a1 kh\u00ed. Ch\u00ednh nguy\u00ean t\u1eafc n\u00e0y gi\u00fap gi\u1ea3m t\u1ef7 l\u1ec7 tr\u1ea3 h\u00e0ng c\u1ee7a doanh nghi\u1ec7p kinh doanh linh ki\u1ec7n: t\u1ed5 ch\u1ee9c kho h\u00e0ng v\u00e0 b\u00e1o gi\u00e1 theo giao di\u1ec7n \u0111i\u1ec7n thay v\u00ec theo th\u01b0\u01a1ng hi\u1ec7u, v\u00e0 m\u1ed9t b\u1ed9 khe c\u1eafm c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 cho c\u00e1c m\u00e1y m\u00f3c s\u1eed d\u1ee5ng nhi\u1ec1u lo\u1ea1i linh ki\u1ec7n kh\u00e1c nhau. Kh\u1ed1i l\u01b0\u1ee3ng th\u1ecb tr\u01b0\u1eddng s\u1eeda ch\u1eefa t\u1eadp trung v\u00e0o c\u00e1c khe c\u1eafm thu th\u1eadp m\u1edf (open-collector) v\u00e0 khe c\u1eafm b\u1ed5 sung (complementary) \u1edf d\u1ea3i \u0111i\u1ec7n \u00e1p 12\u201324 V; c\u00e1c linh ki\u1ec7n ch\u00eanh l\u1ec7ch \u0111i\u1ec7n \u00e1p 5 V thu\u1ed9c ph\u00e2n kh\u00fac servo v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng d\u00e0i h\u1ea1n. N\u0103m khe c\u1eafm (b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1eddng d\u00e2y 5 V, b\u1ed5 sung 12\u201324 V, NPN 12\u201324 V, PNP 12\u201324 V, \u0111\u1ea7u ra \u0111i\u1ec7n \u00e1p 5\u201312 V) ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c n\u0103m m\u1ea1ch \u0111\u1ea7u ra.<\/p>\n\n<p>V\u1eabn c\u00f2n m\u1ed9t gi\u1edbi h\u1ea1n: nh\u1eefng c\u00e2u h\u1ecfi n\u00e0y ch\u1ec9 li\u00ean quan \u0111\u1ebfn giao di\u1ec7n \u0111i\u1ec7n. \u0110\u01b0\u1eddng k\u00ednh tr\u1ee5c, c\u00e1ch l\u1eafp \u0111\u1eb7t v\u00e0 kh\u1edbp n\u1ed1i l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 c\u1ea7n ki\u1ec3m tra ri\u00eang bi\u1ec7t, v\u00e0 vi\u1ec7c tr\u1ed9n l\u1eabn hai danh s\u00e1ch n\u00e0y ch\u00ednh l\u00e0 nguy\u00ean nh\u00e2n khi\u1ebfn vi\u1ec7c \u201cn\u00f3 ph\u00f9 h\u1ee3p v\u1ec1 m\u1eb7t \u0111i\u1ec7n\u201d l\u1ea1i tr\u1edf th\u00e0nh \u201cn\u00f3 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi m\u00e1y m\u00f3c\u201d.\u201d<\/p>\n\n<p><em>Vi\u1ec7c thi\u1ebft k\u1ebf giao di\u1ec7n ph\u00f9 h\u1ee3p b\u1eaft \u0111\u1ea7u t\u1eeb danh m\u1ee5c s\u1ea3n ph\u1ea9m, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb kh\u1ed1i \u0111\u1ea7u cu\u1ed1i. D\u00f2ng s\u1ea3n ph\u1ea9m b\u1ed9 m\u00e3 h\u00f3a t\u0103ng d\u1ea7n c\u1ee7a ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 c\u1ea3 n\u0103m lo\u1ea1i m\u1ea1ch \u0111\u1ea7u ra (NPN, PNP, b\u1ed5 sung, b\u1ed9 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ea7u ra \u0111i\u1ec7n \u00e1p) trong d\u1ea3i ngu\u1ed3n \u0111i\u1ec7n ti\u00eau chu\u1ea9n t\u1eeb 5\u201324 V. Khi kh\u00e1ch h\u00e0ng cung c\u1ea5p m\u00e3 s\u1ea3n ph\u1ea9m c\u0169 ho\u1eb7c m\u1eabu th\u1ebb \u0111\u1ebfm, c\u00e1c k\u1ef9 s\u01b0 l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i s\u1ebd x\u00e1c nh\u1eadn lo\u1ea1i m\u1ea1ch \u0111\u1ea7u ra, ngu\u1ed3n \u0111i\u1ec7n, PPR v\u00e0 s\u1ed1 k\u00eanh tr\u01b0\u1edbc khi ch\u00fang t\u00f4i g\u1eedi b\u00e1o gi\u00e1 (<a href=\"https:\/\/www.omch.com\/vi\/encoders\/\">xem ph\u1ea1m vi c\u1ee7a b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng<\/a>). Vui l\u00f2ng g\u1eedi cho ch\u00fang t\u00f4i b\u1ea3ng t\u00ean. Ch\u00fang t\u00f4i s\u1ebd g\u1eedi phi\u00ean b\u1ea3n t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n.<\/em><\/p>\n\n\n<div class=\"bp-cta-end\">\n<div class=\"bp-cta-end-body\">\n<p class=\"bp-cta-end-title\">H\u00e3y mua m\u1ed9t b\u1ed9 m\u00e3 h\u00f3a thay th\u1ebf c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp<\/p>\n<p class=\"bp-cta-end-sub\">Vui l\u00f2ng cung c\u1ea5p cho ch\u00fang t\u00f4i m\u00e3 s\u1ea3n ph\u1ea9m c\u0169 ho\u1eb7c m\u1eabu th\u1ebb \u0111\u1ebfm. C\u00e1c k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i s\u1ebd x\u00e1c nh\u1eadn m\u1ea1ch \u0111\u1ea7u ra, \u0111i\u1ec7n \u00e1p ngu\u1ed3n, PPR v\u00e0 s\u1ed1 k\u00eanh tr\u01b0\u1edbc khi ch\u00fang t\u00f4i g\u1eedi b\u00e1o gi\u00e1.<\/p>\n<\/div>\n<a class=\"bp-cta-end-btn\" href=\"https:\/\/www.omch.com\/vi\/contact\/\" target=\"_self\">G\u1eedi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt b\u1ed9 m\u00e3 h\u00f3a c\u1ee7a t\u00f4i<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m12 5 7 7-7 7\"\/><\/svg><\/a>\n<\/div>\n\n<h2>T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n\n<ol>\n<li><a href=\"https:\/\/www.motioncontroltips.com\/faq-what-are-ways-to-wire-an-incremental-encoder-into-a-motion-system\/\">M\u1eb9o \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng. \u201cC\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p: C\u00f3 nh\u1eefng c\u00e1ch n\u00e0o \u0111\u1ec3 k\u1ebft n\u1ed1i b\u1ed9 m\u00e3 h\u00f3a t\u0103ng d\u1ea7n v\u00e0o h\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed9ng?\u201d<\/a><\/li>\n<li><a href=\"https:\/\/www.dynapar.com\/knowledge\/encoder-basics\/encoder-troubleshooting\/encoder-wiring-best-practices\/\">Dynapar. \u201cC\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t trong vi\u1ec7c \u0111\u1ea5u d\u00e2y b\u1ed9 m\u00e3 h\u00f3a.\u201d<\/a><\/li>\n<li><a href=\"https:\/\/www.kuebler.com\/pdf?5826_en.pdf\">T\u1eadp \u0111o\u00e0n K\u00fcbler. \u201cB\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng\u201d (danh m\u1ee5c s\u1ea3n ph\u1ea9m d\u00f2ng 5826, b\u1ea3ng k\u1ebft n\u1ed1i RS422 v\u00e0 b\u1ea3ng m\u00e0u c\u00e1p).<\/a><\/li>\n<li><a href=\"https:\/\/www.plctalk.net\/forums\/threads\/how-to-wire-incremental-encoder.110063\/\">Di\u1ec5n \u0111\u00e0n PLCTalk. \u201cC\u00e1ch \u0111\u1ea5u d\u00e2y b\u1ed9 m\u00e3 h\u00f3a gia s\u1ed1\u201d \u2014 Th\u1ea3o lu\u1eadn v\u1ec1 vi\u1ec7c gi\u1ea3i m\u00e3 m\u00e3 s\u1ea3n ph\u1ea9m Accu-coder v\u00e0 s\u01a1 \u0111\u1ed3 m\u1ea1ch k\u00e9o l\u00ean ki\u1ec3u thu th\u1eadp m\u1edf.<\/a><\/li>\n<li><a href=\"https:\/\/www.omch.com\/vi\/encoders\/\">OMCH. \u201cB\u1ed9 m\u00e3 h\u00f3a: D\u00f2ng b\u1ed9 m\u00e3 h\u00f3a t\u0103ng d\u1ea7n E6B2-CWZ (n\u0103m m\u1ea1ch \u0111\u1ea7u ra, PPR 10\u20131200).\u201d<\/a><\/li>\n<li><a href=\"https:\/\/www.omch.com\/vi\/product-selection\/\">OMCH. \u201cL\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m: H\u1ed7 tr\u1ee3 \u0111\u1ed1i chi\u1ebfu d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 b\u1ea3n v\u1ebd.\u201d<\/a><\/li>\n<li><a href=\"https:\/\/www.omch.com\/vi\/\">OMCH. \u201cS\u1ea3n ph\u1ea9m t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p: nh\u00e0 cung c\u1ea5p linh ki\u1ec7n t\u1ef1 \u0111\u1ed9ng h\u00f3a tr\u1ecdn g\u00f3i.\u201d<\/a><\/li>\n<\/ol>\n\n<\/article>\n<\/div>\n\n<\/body><\/html>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch \u0111\u1ea5u d\u00e2y b\u1ed9 m\u00e3 h\u00f3a gia t\u0103ng: T\u00edn hi\u1ec7u A\/B\/Z, c\u00e1c lo\u1ea1i \u0111\u1ea7u ra v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng: M\u00e1y \u0111ang ch\u1ea1y, \u0111\u1ed9ng c\u01a1 quay, nh\u01b0ng b\u1ed9 \u0111\u1ebfm tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n l\u1ea1i kh\u00f4ng hi\u1ec3n th\u1ecb g\u00ec. Ho\u1eb7c n\u00f3 \u0111\u1ebfm sai h\u01b0\u1edbng. Ho\u1eb7c b\u1ed9 m\u00e3 h\u00f3a thay th\u1ebf b\u1ed1c kh\u00f3i ngay khi b\u1eadt ngu\u1ed3n. Trong t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u00e1c d\u00e2y th\u01b0\u1eddng [\u2026]<\/p>","protected":false},"author":4,"featured_media":12246,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Incremental Encoder Wiring: A\/B\/Z Signals & Output Types","_seopress_titles_desc":"Learn incremental encoder wiring for A\/B\/Z channels, NPN\/PNP, differential outputs, supply voltage and PLC or counter connections.","_seopress_robots_index":"","footnotes":""},"categories":[79],"tags":[],"class_list":["post-12247","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mmlblog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/12247","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/comments?post=12247"}],"version-history":[{"count":3,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/12247\/revisions"}],"predecessor-version":[{"id":12257,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/12247\/revisions\/12257"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/media\/12246"}],"wp:attachment":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/media?parent=12247"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/categories?post=12247"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/tags?post=12247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}