\u0130zoleli ve \u0130zoleli Olmayan G\u00fc\u00e7 Kayna\u011f\u0131: Panelinizin \u0130\u00e7inde Asl\u0131nda Neler De\u011fi\u015fir?<\/title>\n<\/head>\n<body>\n\n<div class=\"bd-post\">\n<style>\n\/* fonts: BLOG scope only \u2014 copied verbatim from the brand Standard Blog CSS Header. *\/\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 \/* ---- color tokens: OMCH v4 palette (plan palette \u2014 single source of hex) ---- *\/\n --body-bg: #FFFFFF;\n --text-primary: #333333;\n --text-secondary: #6E6E6E;\n --heading-ink: #000000;\n --accent: #479DE2;\n --accent-text: #2A76B4;\n --accent-hot: #FD9649;\n --navy: #0D3972;\n --inverse-bg: #1E1E1E;\n --inverse-text: #FFFFFF;\n --inverse-text-secondary: #B0B0B0;\n --card-fill: #F4F8FC;\n --card-border: #E0E0E0;\n --divider: #C0C0C0;\n --panel-fill: #FAFAFA;\n --btn-white: #FFFFFF;\n --btn-ink: #1E1E1E;\n \/* ---- layout ---- *\/\n --prose-width: 720px;\n --gap-attach: 16px;\n --gap-normal: 32px;\n --gap-section: 48px;\n --pad-standard: 24px;\n\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 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 .bd-post-article { max-width: var(--prose-width); margin: 0 auto; }\n.bd-post [class*=\"bp-\"] { box-sizing: border-box; }\n\n\/* ---- prose spacing: fixed standard ---- *\/\n.bd-post p { margin: 0 0 1em; }\n.bd-post h1 { font-family: \"Roboto\", sans-serif; font-weight: 600; font-size: 34px; line-height: 1.2; color: var(--heading-ink); margin: 0 0 16px; }\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 h4 { font-weight: 600; line-height: 1.2; margin: 24px 0 8px; }\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 li::marker { color: var(--accent-text); }\n.bd-post strong { font-weight: 700; }\n.bd-post em { font-style: italic; }\n.bd-post hr { border: 0; height: 1px; background: var(--divider); margin: 40px 0; }\n\n\/* ---- links: anchor permit-list (visual props only on content forms) ---- *\/\n.bd-post p a, .bd-post li a, .bd-post blockquote a, .bd-post td a {\n color: var(--accent-text);\n font-weight: 500;\n text-decoration: underline;\n text-decoration-color: var(--accent-text);\n text-underline-offset: 2px;\n text-decoration-thickness: 1px;\n}\n\n\/* ---- shared icon ---- *\/\n.bd-post .ico { display: inline-flex; flex: none; width: 18px; height: 18px; }\n\n\/* ---- rich elements ---- *\/\n\/* Comparison tables *\/\n.bd-post .table-wrapper { overflow-x: auto; border: 1px solid var(--card-border); border-radius: 8px; margin: 0 0 1em; }\n.bd-post .rich-table-title { margin: 0 0 8px; font-family: \"Roboto\", sans-serif; font-weight: 600; font-size: 18px; color: var(--heading-ink); }\n.bd-post .rich-table { width: 100%; border-collapse: collapse; background: var(--body-bg); }\n.bd-post .rich-table th { background: var(--panel-fill); color: var(--text-primary); font-family: \"Roboto\", sans-serif; font-weight: 600; font-size: 15px; text-align: left; padding: 12px 16px; border-bottom: 2px solid var(--accent-text); white-space: nowrap; }\n.bd-post .rich-table td { color: var(--text-primary); font-size: 15px; padding: 12px 16px; border-bottom: 1px solid var(--divider); vertical-align: top; }\n.bd-post .rich-table tr:last-child td { border-bottom: 1px solid var(--divider); }\n.bd-post .table-wrapper,\n.bd-post .rich-table,\n.bd-post .rich-table-wrap { border-radius: 0 !important; }\n.bd-post .table-wrapper { padding: 0 !important; background: transparent !important; }\n.bd-post .rich-table { margin: 0 !important; border-bottom: 1px solid var(--divider) !important; }\n.bd-post .rich-table tbody tr:last-child > td { border-bottom: 1px solid var(--divider) !important; }\n.bd-post .rich-table tbody tr:hover td:first-child { color: var(--accent-text); }\n\n\/* Callouts (warning \/ info \/ highlight) *\/\n.bd-post .rich-callout {\n background: var(--card-fill);\n border: 1px solid var(--card-border);\n border-left: 4px solid var(--accent);\n border-radius: 0 10px 10px 0;\n padding: var(--pad-standard);\n margin: var(--gap-normal) 0;\n}\n.bd-post .rich-callout-title {\n display: block;\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 18px;\n color: var(--heading-ink);\n margin: 0 0 6px;\n}\n.bd-post .rich-callout-title .rich-ico { display: inline-flex; vertical-align: -0.2em; margin-right: 8px; color: var(--accent-text); width: 18px; height: 18px; }\n.bd-post .rich-callout p:last-child { margin-bottom: 0; }\n\n\/* Checklist cards *\/\n.bd-post .rich-card {\n background: var(--card-fill);\n border: 1px solid var(--card-border);\n border-radius: 10px;\n padding: var(--pad-standard);\n margin: var(--gap-normal) 0;\n}\n.bd-post .rich-card-title {\n display: block;\n font-family: \"Roboto\", sans-serif;\n font-weight: 600;\n font-size: 18px;\n color: var(--heading-ink);\n margin: 0 0 12px;\n}\n.bd-post .rich-card-title .rich-ico { display: inline-flex; vertical-align: -0.2em; margin-right: 8px; color: var(--accent-text); width: 18px; height: 18px; }\n.bd-post .rich-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }\n.bd-post .rich-list li { display: flex; align-items: flex-start; gap: 10px; margin: 0; }\n.bd-post .rich-list .rich-ico { color: var(--accent-text); margin-top: 2px; }\n\n\/* ---- designed BPs ---- *\/\n.bd-post .bp-1-hook {\n background: var(--inverse-bg);\n border-radius: 10px;\n padding: var(--pad-standard);\n margin: var(--gap-attach) 0 var(--gap-normal);\n display: flex; align-items: flex-start; gap: 16px;\n}\n.bd-post .bp-1-icon {\n width: 44px; height: 44px; border-radius: 22px; flex: none;\n border: 1px solid var(--accent);\n display: inline-flex; align-items: center; justify-content: center;\n color: var(--accent-hot);\n}\n.bd-post .bp-1-body { display: flex; flex-direction: column; gap: 6px; min-width: 0; }\n.bd-post .bp-1-title { font-family: \"Roboto\", sans-serif; font-weight: 600; font-size: 20px; line-height: 1.3; color: var(--inverse-text); margin: 0; }\n.bd-post .bp-1-lines { font-size: 16px; color: var(--inverse-text-secondary); margin: 0; }\n\n.bd-post .bp-cta-mid {\n background: var(--card-fill);\n border: 1px solid var(--card-border);\n border-radius: 10px;\n padding: var(--pad-standard);\n margin: var(--gap-normal) 0;\n display: flex; flex-direction: column; gap: 10px; align-items: flex-start;\n}\n.bd-post .bp-cta-mid-ttl {\n display: block;\n font-family: \"Roboto\", sans-serif; font-weight: 600; font-size: 20px; color: var(--heading-ink);\n margin: 0;\n}\n.bd-post .bp-cta-mid-ttl .rich-ico { display: inline-flex; vertical-align: -0.2em; margin-right: 8px; color: var(--accent-text); width: 20px; height: 20px; }\n.bd-post .bp-cta-mid-copy { margin: 0; }\n.bd-post .bp-cta-mid-btn {\n display: inline-flex; align-items: center; gap: 8px;\n background: var(--navy); color: var(--btn-white);\n font-family: \"Roboto\", sans-serif; font-weight: 600; font-size: 15px;\n text-decoration: none; padding: 10px 20px; border-radius: 6px;\n}\n\n.bd-post .bp-cta-end {\n background: var(--navy);\n border-radius: 10px;\n padding: var(--pad-standard);\n margin: var(--gap-section) 0;\n display: flex; flex-direction: column; gap: 10px; align-items: flex-start;\n}\n.bd-post .bp-cta-end-ttl { display: block; font-family: \"Roboto\", sans-serif; font-weight: 600; font-size: 22px; line-height: 1.3; color: var(--inverse-text); margin: 0; }\n.bd-post .bp-cta-end-ttl .rich-ico { display: inline-flex; vertical-align: -0.2em; margin-right: 8px; color: var(--accent-hot); width: 22px; height: 22px; }\n.bd-post .bp-cta-end-sub { font-size: 16px; color: var(--inverse-text-secondary); margin: 0; max-width: 34em; }\n.bd-post .bp-cta-end-btn {\n display: inline-flex; align-items: center; gap: 8px;\n background: var(--accent-hot); color: var(--btn-ink);\n font-family: \"Roboto\", sans-serif; font-weight: 600; font-size: 15px;\n text-decoration: none; padding: 10px 20px; border-radius: 6px;\n}\n\n\/* ---- sanctioned motion ---- *\/\n@media (prefers-reduced-motion: no-preference) {\n @supports (animation-timeline: view()) {\n .bd-post .bd-reveal { animation: bd-fade-in linear both; animation-timeline: view(); animation-range: entry 0% entry 35%; }\n @keyframes bd-fade-in { from { opacity: 0; } to { opacity: 1; } }\n }\n .bd-post h2 { transition: color .2s ease-out, transform .2s ease-out; }\n .bd-post h2:hover { color: var(--accent-text); transform: scale(1.01); }\n .bd-post .bd-post-article a { transition: color .2s ease-out; }\n .bd-post p a:hover, .bd-post li a:hover, .bd-post blockquote a:hover, .bd-post td a:hover { color: var(--heading-ink); }\n .bd-post .rich-card, .bd-post .rich-callout { transition: transform .2s ease-out, box-shadow .2s ease-out; }\n .bd-post .rich-card:hover, .bd-post .rich-callout:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.08); }\n .bd-post .bp-cta-mid-btn { transition: background .2s ease-out, color .2s ease-out, transform .2s ease-out, box-shadow .2s ease-out; }\n .bd-post .bp-cta-mid-btn:hover { background: var(--accent-text); color: var(--btn-white); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.18); }\n .bd-post .bp-cta-end-btn { transition: background .2s ease-out, color .2s ease-out, transform .2s ease-out, box-shadow .2s ease-out; }\n .bd-post .bp-cta-end-btn:hover { background: var(--btn-white); color: var(--btn-ink); transform: translateY(-2px); box-shadow: 0 4px 14px rgba(0,0,0,0.25); }\n}\n\n\/* ---- mobile ---- *\/\n@media (max-width: 768px) {\n .bd-post { padding: 16px; }\n .bd-post h1 { font-size: 22px; }\n .bd-post h2 { font-size: 26px; margin-top: 32px; }\n .bd-post h3 { font-size: 20px; margin-top: 24px; }\n}\n\n\/* ---- References (canonical .bd-refs) ---- *\/\n.bd-post .bd-refs { margin: 0 0 1em; padding-left: 1.6em; }\n.bd-post .bd-refs li { font-size: 14px; line-height: 1.7; color: var(--text-secondary); margin-bottom: 10px; overflow-wrap: anywhere; }\n.bd-post .bd-refs li::marker { color: var(--accent-text); }\n.bd-post .bd-refs li a { color: var(--accent-text); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; overflow-wrap: anywhere; }\n.bd-post .bd-refs li a:hover { color: var(--heading-ink); }\n<\/style>\n<article class=\"bd-post-article\">\n\n<p>Son zamanlarda \u201cizole edilmi\u015f ve izole edilmemi\u015f g\u00fc\u00e7 kayna\u011f\u0131\u201d aramas\u0131 yapt\u0131ysan\u0131z, kafa kar\u0131\u015ft\u0131r\u0131c\u0131 k\u0131sm\u0131 biliyorsunuzdur: Sonu\u00e7lar\u0131n yar\u0131s\u0131 gitar pedal\u0131 g\u00fc\u00e7 adapt\u00f6rlerini, di\u011fer yar\u0131s\u0131 ise havac\u0131l\u0131k ve uzay sekt\u00f6r\u00fcne ait teknik \u00f6zellik belgelerini ele al\u0131yor. Hi\u00e7biri, end\u00fcstriyel kontrol panellerinin i\u00e7indeki sens\u00f6rleri, PLC\u2019leri ve r\u00f6leleri \u00e7al\u0131\u015ft\u0131ran 24 V\u2019luk g\u00fc\u00e7 kaynaklar\u0131 i\u00e7in bu terimin ne anlama geldi\u011fini a\u00e7\u0131klam\u0131yor. Bu k\u0131lavuz ise tam da bu alana odaklan\u0131yor.<\/p>\n\n <img decoding=\"async\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/09\/DIN-Power-Supply.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>\u201c\u0130zole\u201d ve \u201c\u0130zole Olmayan\u201d Terimlerinin Ger\u00e7ek Anlam\u0131 Nedir?<\/h2>\n\n<p>\u0130zole edilmi\u015f bir g\u00fc\u00e7 kayna\u011f\u0131n\u0131n <strong>giri\u015fi ile \u00e7\u0131k\u0131\u015f\u0131 aras\u0131nda hi\u00e7bir do\u011fru ak\u0131m yolu yoktur<\/strong>. \u0130\u00e7eride, bir transformat\u00f6r manyetik bir aral\u0131k \u00fczerinden enerji aktar\u0131r; dolay\u0131s\u0131yla iki taraf\u0131 birbirine ba\u011flayan kesintisiz bir iletken yoktur; i\u015fte bu aral\u0131k, mekanizman\u0131n tamam\u0131n\u0131 olu\u015fturur.<\/p>\n\n<p>\u0130zolasyonsuz bir besleme, ak\u0131m yolunu korur. Tipik izolasyonsuz tasar\u0131mlar aras\u0131nda, giri\u015f negatif ucu ile \u00e7\u0131k\u0131\u015f negatif ucunun ayn\u0131 iletken \u00fczerinde bulundu\u011fu d\u00fc\u015f\u00fcrme d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fcler bulunur. Bu ortak iletkenin, veri sayfalar\u0131nda ve forum g\u00f6nderilerinde kar\u015f\u0131la\u015faca\u011f\u0131n\u0131z bir ad\u0131 vard\u0131r: <strong>ortak negatif<\/strong>. Birisi bir sinyalin \u201cizole edilmemi\u015f\u201d oldu\u011funu s\u00f6yledi\u011finde, giri\u015f ve \u00e7\u0131k\u0131\u015f\u0131n ayn\u0131 referans noktas\u0131n\u0131 payla\u015ft\u0131\u011f\u0131n\u0131 kasteder.<\/p>\n\n<p>\u0130lk sonu\u00e7: \u0130zole edilmi\u015f bir \u00e7\u0131kt\u0131 \u015fudur: <strong>y\u00fczen<\/strong>. Giri\u015f taraf\u0131yla hi\u00e7bir ba\u011flant\u0131s\u0131 olmad\u0131\u011f\u0131 i\u00e7in, siz bir ba\u011flant\u0131 kurana kadar negatif ucu toprakla sabit bir ili\u015fkiye sahip de\u011fildir. \u0130zolasyonlu olmayan bir \u00e7\u0131k\u0131\u015f\u0131n referans noktas\u0131, giri\u015f taraf\u0131na sabitlenmi\u015ftir.<\/p>\n\n\n<div class=\"bp-1-hook bd-reveal\">\n <div class=\"bp-1-icon\" aria-hidden=\"true\">\n <svg class=\"ico\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"m19 5 3-3\"\/><path d=\"m2 22 3-3\"\/><path d=\"M6.3 20.3a2.4 2.4 0 0 0 3.4 0L12 18l-6-6-2.3 2.3a2.4 2.4 0 0 0 0 3.4Z\"\/><path d=\"M7.5 13.5 10 11\"\/><path d=\"M10.5 16.5 13 14\"\/><path d=\"m12 6 6 6 2.3-2.3a2.4 2.4 0 0 0 0-3.4l-2.6-2.6a2.4 2.4 0 0 0-3.4 0Z\"\/><\/svg>\n <\/div>\n <div class=\"bp-1-body\">\n <p class=\"bp-1-title\">\u0130zolasyon, tek c\u00fcmleyle<\/p>\n <p class=\"bp-1-lines\">\u201c\u0130zole\u201d terimi, giri\u015f ile \u00e7\u0131k\u0131\u015f aras\u0131nda do\u011fru ak\u0131m yolu olmad\u0131\u011f\u0131 anlam\u0131na gelir; \u201cizole olmayan\u201d terimi ise giri\u015f ve \u00e7\u0131k\u0131\u015f\u0131n tek bir referans noktas\u0131n\u0131 (\u201cortak negatif\u201d) payla\u015ft\u0131\u011f\u0131 anlam\u0131na gelir. \u0130zole bir \u00e7\u0131k\u0131\u015f\u0131 giri\u015f taraf\u0131na ba\u011flayan hi\u00e7bir \u015fey olmad\u0131\u011f\u0131ndan, bu \u00e7\u0131k\u0131\u015f, nereye sabitlenece\u011fine karar verene kadar \u201cserbest\u201d kal\u0131r.<\/p>\n <\/div>\n<\/div>\n\n<p>\u0130kinci sonu\u00e7: \u201cizole edilmemi\u015f\u201d durumun \u201cyeterince g\u00fcvenli\u201d olup olmad\u0131\u011f\u0131 tamamen \u015funa ba\u011fl\u0131d\u0131r: <strong>giri\u015f taraf\u0131nda ne var<\/strong>. \u015eebeke gerilimini herhangi bir koruma \u00f6nlemi olmaks\u0131z\u0131n do\u011frudan d\u00fc\u015f\u00fcr\u00fcrseniz, \u00e7\u0131k\u0131\u015f gerilimi tehlikeli olabilir; halihaz\u0131rda g\u00fcvenli olan d\u00fc\u015f\u00fck gerilimli bir DC baras\u0131ndan gerilimi d\u00fc\u015f\u00fcr\u00fcrseniz ise izolasyon, g\u00fcvenlik a\u00e7\u0131s\u0131ndan pek bir katk\u0131 sa\u011flamaz. Tehlike, d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fcden de\u011fil, kaynak taraf\u0131ndan kaynaklan\u0131r.<\/p>\n\n<h2>Tek Kelime, \u00dc\u00e7 K\u0131r\u0131lma Noktas\u0131<\/h2>\n\n<p>\u201c\u0130zole\u201d terimi, ancak bir \u015fey belirtildi\u011finde bir anlam kazan\u0131r <strong>nerede<\/strong> \"break\" kelimesinin anlam\u0131 budur. Bu \u00fc\u00e7 yayg\u0131n anlam\u0131n birbirleriyle neredeyse hi\u00e7bir ortak y\u00f6n\u00fc yoktur:<\/p>\n\n<div class=\"rich-table-wrap bd-reveal\">\n <p class=\"rich-table-title\">Tek kelime, \u00fc\u00e7 k\u0131r\u0131lma noktas\u0131<\/p>\n <div class=\"table-wrapper\">\n <table class=\"rich-table\">\n <thead>\n <tr><th>K\u0131r\u0131lma noktas\u0131<\/th><th>Neye \u00e7\u00f6z\u00fcm getirir?<\/th><th>Tipik \u00fcr\u00fcnler<\/th><th>Bu k\u0131lavuzda hangi konular ele al\u0131nmaktad\u0131r?<\/th><\/tr>\n <\/thead>\n <tbody>\n <tr><td>Giri\u015f ile \u00e7\u0131k\u0131\u015f aras\u0131nda<\/td><td>\u015eebeke g\u00fcvenli\u011fi; \u00e7\u0131k\u0131\u015f\u0131n serbest kalmas\u0131n\u0131 sa\u011flar<\/td><td>AC-DC anahtarlamal\u0131 g\u00fc\u00e7 kaynaklar\u0131, DIN ray\u0131 g\u00fc\u00e7 kaynaklar\u0131, \u00e7o\u011fu LED s\u00fcr\u00fcc\u00fcs\u00fc<\/td><td>Evet \u2014 bu k\u0131lavuzun geri kalan\u0131<\/td><\/tr>\n <tr><td>\u00c7\u0131k\u0131\u015flar aras\u0131nda<\/td><td>Kanallar aras\u0131ndaki g\u00fcr\u00fclt\u00fc aktar\u0131m\u0131n\u0131 \u00f6nler<\/td><td>\u00c7ok \u00e7\u0131k\u0131\u015fl\u0131 ses \/ pedal g\u00fc\u00e7 kaynaklar\u0131<\/td><td>Hay\u0131r \u2014 farkl\u0131 bir izolasyon yakla\u015f\u0131m\u0131<\/td><\/tr>\n <tr><td>Eksi kutuplar aras\u0131nda<\/td><td>Farkl\u0131 referans numaralar\u0131na sahip iki pil sistemi<\/td><td>Ara\u00e7lar ve tekneler i\u00e7in DC-DC \u015farj cihazlar\u0131<\/td><td>Hay\u0131r \u2014 bir kablolama yedeklili\u011fi konsepti<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n<\/div>\n\n<p>Bir pedal g\u00fc\u00e7 kayna\u011f\u0131ndaki \u201cizolasyon\u201d, \u00e7\u0131k\u0131\u015flar aras\u0131nda yer al\u0131r ve pedallar aras\u0131ndaki u\u011fultuyu \u00f6nler; bir ara\u00e7 DC-DC \u015farj cihaz\u0131ndaki \u201cizolasyon\u201d ise, iki ak\u00fc sistemi temiz bir ortak d\u00f6n\u00fc\u015f hatt\u0131n\u0131 payla\u015fmad\u0131\u011f\u0131ndan, \u00e7\u0131k\u0131\u015f eksi kutbunun giri\u015f eksi kutbuna ba\u011fl\u0131 olmad\u0131\u011f\u0131 anlam\u0131na gelir. Bu iki karar kural\u0131n\u0131n hi\u00e7biri kontrol panellerine uygulanamaz. Buna benzer bir durum da burada yer almal\u0131d\u0131r: LED s\u00fcr\u00fcc\u00fcleri de giri\u015f-\u00e7\u0131k\u0131\u015f izolasyonu konusunda ikiye ayr\u0131l\u0131r. \u0130zolasyonlu s\u00fcr\u00fcc\u00fcler bir transformat\u00f6r i\u00e7erir; izolasyonsuz s\u00fcr\u00fcc\u00fcler daha ucuzdur ve g\u00fcvenlik i\u015finin armat\u00fcr\u00fcn yal\u0131t\u0131m\u0131 taraf\u0131ndan tamamlanmas\u0131n\u0131 bekler.<\/p>\n\n<p>Bundan sonra, \u201cizole\u201d terimi, panonuzun i\u00e7ine y\u00fczer 24 V besleme hatt\u0131 yerle\u015ftirilen t\u00fcrden, giri\u015f-\u00e7\u0131k\u0131\u015f izolasyonunu ifade eder.<\/p>\n\n<h2>\u00c7\u0131k\u0131\u015f Yal\u0131t\u0131lmad\u0131\u011f\u0131nda Ne Olur (ve Yal\u0131t\u0131ms\u0131z \u00c7al\u0131\u015fman\u0131n Size Maliyeti Nedir)<\/h2>\n\n<p>\u0130\u015fte burada teori, saha deneyimiyle birle\u015fiyor; \u00e7\u00fcnk\u00fc burada yap\u0131lan hatalar, bir gece boyunca sorun gidermeyle u\u011fra\u015fmak anlam\u0131na geliyor.<\/p>\n\n<h3>\u201cTek ortak referans\u201d bir toprak d\u00f6ng\u00fcs\u00fcne d\u00f6n\u00fc\u015ft\u00fc\u011f\u00fcnde<\/h3>\n\n<p>\u0130zole edilmemi\u015f bir \u00e7\u0131k\u0131\u015f, giri\u015f referans\u0131yla ayn\u0131 iletkeni payla\u015f\u0131r ve referansa ikinci bir noktadan herhangi bir \u015fey temas etti\u011fi anda bu durum bir ar\u0131zaya yol a\u00e7ar. Bir EEVblog okuyucusu, daha temiz bir sistem elde etmeyi umarak, izole edilmemi\u015f bir g\u00fc\u00e7 kayna\u011f\u0131n\u0131n negatif \u00e7\u0131k\u0131\u015f\u0131n\u0131 topra\u011fa ba\u011flad\u0131. Cevap olduk\u00e7a netti: Bu izole edilmemi\u015f tasar\u0131m topra\u011fa ba\u011flanamaz; toprak ba\u011flant\u0131s\u0131 kesik kalmal\u0131d\u0131r; topraklama gerekiyorsa, izole edilmi\u015f bir tasar\u0131m kullan\u0131n (<a href=\"https:\/\/www.eevblog.com\/forum\/beginners\/grounding-of-non-isolated-power-supply\/\">\u0130zole edilmemi\u015f g\u00fc\u00e7 kayna\u011f\u0131n\u0131n topraklanmas\u0131, EEVblog forumu<\/a>, 2024).<\/p>\n\n<div class=\"rich-callout bd-reveal\">\n <p class=\"rich-callout-title\"><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" 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 1.73-3Z\"\/><path d=\"M12 9v4\"\/><path d=\"M12 17h.01\"\/><\/svg><\/span>\u0130zolasyonsuz bir \u00e7\u0131k\u0131\u015fa asla toprak ba\u011flant\u0131s\u0131 yapmay\u0131n<\/p>\n <p>\u0130zolasyonsuz bir \u00e7\u0131k\u0131\u015f, tasar\u0131m gere\u011fi referans\u0131n\u0131 giri\u015f taraf\u0131yla payla\u015f\u0131r. Bu referans\u0131 koruyucu topra\u011fa zorlamak, tasar\u0131mc\u0131n\u0131n hi\u00e7 planlamad\u0131\u011f\u0131 ikinci bir ak\u0131m yolu ekler. Uygulaman\u0131z topraklanm\u0131\u015f veya topraklanabilir bir \u00e7\u0131k\u0131\u015f gerektiriyorsa, izole bir beslemeden ba\u015flay\u0131n ve topraklama karar\u0131n\u0131 kendiniz verin \u2014 yaln\u0131zca tek bir noktada.<\/p>\n<\/div>\n\n<p>Ayn\u0131 fiziksel durum, iki noktadan topra\u011fa ba\u011flanm\u0131\u015f izole edilmi\u015f g\u00fc\u00e7 kaynaklar\u0131n\u0131 da etkiliyor. National Instruments\u2019\u0131n bir forum ba\u015fl\u0131\u011f\u0131nda, topraklanm\u0131\u015f metal bir standa vidaland\u0131\u011f\u0131 anda g\u00fcr\u00fclt\u00fc alan ve vidas\u0131 s\u00f6k\u00fcld\u00fc\u011f\u00fcnde tekrar g\u00fcr\u00fclt\u00fcs\u00fcz hale gelen bir bas\u0131n\u00e7 sens\u00f6r\u00fc anlat\u0131l\u0131yor (<a href=\"https:\/\/forums.ni.com\/t5\/Multifunction-DAQ\/Pressure-Sensor-Ground-Loop-Problem\/td-p\/1285148\">Bas\u0131n\u00e7 Sens\u00f6r\u00fcnde Toprak D\u00f6ng\u00fcs\u00fc Sorunu, NI Toplulu\u011fu<\/a>, 2010). Panellerin de kendine \u00f6zg\u00fc bir durumu vard\u0131r: EEVblog\u2019daki bir ba\u015fl\u0131kta, analog devrelerdeki \u00e7ok say\u0131da topraklama noktas\u0131n\u0131n, \u201csorun giderme a\u00e7\u0131s\u0131ndan tam bir kabus\u201d olan d\u00f6ng\u00fcler olu\u015fturdu\u011fu konusunda uyar\u0131da bulunulmaktad\u0131r (<a href=\"https:\/\/www.eevblog.com\/forum\/projects\/industrial-control-panel-grounding\/\">End\u00fcstriyel Kontrol Paneli Topraklamas\u0131, EEVblog forumu<\/a>, 2017). Toprak d\u00f6ng\u00fcs\u00fc kapal\u0131 bir yoldur ve kapal\u0131 bir yol da bir antendir. <strong>Ortak bir referans noktas\u0131 ve ikinci bir topraklama noktas\u0131, devreyi kapat\u0131r<\/strong>, ve izolasyon d\u00f6ng\u00fcn\u00fcn olu\u015fmas\u0131n\u0131 tamamen engeller.<\/p>\n\n<p>Kar\u015f\u0131la\u015ft\u0131rma makalelerinden \u201cizole edilmemi\u015f olanlar \u00e7ok daha verimlidir\u201d \u015feklindeki efsaneyi bir kenara b\u0131rak\u0131n: Bu, minik y\u00fck noktas\u0131 d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fcler i\u00e7in ge\u00e7erli olsa da, daha sonra t\u00fcm kategoriye genelleniyor. \u0130zole AC-DC g\u00fc\u00e7 kaynaklar\u0131 y\u00fczde 80\u2019lerin \u00fcst\u00fcne ve 90\u2019lar\u0131n alt\u0131na ula\u015f\u0131r.<\/p>\n\n<h3>Y\u00fczd\u00fcrme bedelsiz de\u011fildir: Y kondansat\u00f6rleri, s\u0131z\u0131nt\u0131 ve EMC<\/h3>\n\n<p>Y\u00fczer \u00e7\u0131k\u0131\u015f, \u015febekeden tamamen kopuk de\u011fildir: transformat\u00f6r sarg\u0131lar\u0131 parazitik kapasitansa sahiptir; bu nedenle \u015febekeye ba\u011fl\u0131 yal\u0131t\u0131lm\u0131\u015f g\u00fc\u00e7 kaynaklar\u0131, ikincil sarg\u0131dan koruyucu topra\u011fa Y-kapasit\u00f6rleri ta\u015f\u0131r. Bunlar EMC tasar\u0131m\u0131n\u0131n bir par\u00e7as\u0131d\u0131r, bir kusur de\u011fildir ve y\u00fczer \u00e7\u0131k\u0131\u015f\u0131n topra\u011fa kar\u015f\u0131 h\u00e2l\u00e2 k\u00fc\u00e7\u00fck, y\u00fcksek empedansl\u0131 bir ba\u011flant\u0131s\u0131 vard\u0131r.<\/p>\n\n<p>Bu, iletilen emisyon testleri a\u00e7\u0131s\u0131ndan \u00f6nemlidir. Bir m\u00fchendis, bir y\u00fczer cihaz\u0131 test ederken, \u00e7\u0131k\u0131\u015f\u0131n negatif ucu ile koruyucu topraklama aras\u0131nda 1 k\u03a9 ile 1 M\u03a9 aras\u0131nda bir diren\u00e7 de\u011ferine sahip bir ba\u011flant\u0131 tespit etmi\u015ftir (<a href=\"https:\/\/electronics.stackexchange.com\/questions\/736931\/isolated-vs-non-isolated-power-supplies\">\u0130zole ve izole olmayan g\u00fc\u00e7 kaynaklar\u0131, Electronics StackExchange<\/a>, 2025). Diren\u00e7, Y-kapasit\u00f6r\u00fcn\u00fcn y\u00fck\u00fcn\u00fc bo\u015falt\u0131r ve ortak mod ak\u0131m\u0131na kontroll\u00fc bir yol sa\u011flar: \u00e7\u0131k\u0131\u015f, DC a\u00e7\u0131s\u0131ndan y\u00fczer durumda kal\u0131rken, AC davran\u0131\u015f\u0131 kontrol alt\u0131na al\u0131n\u0131r.<\/p>\n\n<p>Bu s\u0131n\u0131rlama iki y\u00f6nl\u00fcd\u00fcr: \u0130zolasyon, toprak d\u00f6ng\u00fclerini ortadan kald\u0131r\u0131r, ancak t\u00fcm g\u00fcr\u00fclt\u00fcy\u00fc de\u011fil. Kablolama yoluyla 24 V besleme hatt\u0131n\u0131za g\u00fcr\u00fclt\u00fc aktaran bir motor s\u00fcr\u00fcc\u00fcs\u00fc, izolasyonlu bir g\u00fc\u00e7 kayna\u011f\u0131 taraf\u0131ndan engellenmez; \u00e7\u00fcnk\u00fc bu ak\u0131m yolu toprak \u00fczerinden ge\u00e7mez.<\/p>\n\n<div class=\"rich-callout bd-reveal\">\n <p class=\"rich-callout-title\"><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" 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 1.73-3Z\"\/><path d=\"M12 9v4\"\/><path d=\"M12 17h.01\"\/><\/svg><\/span>\u0130zolasyon, toprak d\u00f6ng\u00fclerini ortadan kald\u0131r\u0131r; ancak t\u00fcm g\u00fcr\u00fclt\u00fcy\u00fc ortadan kald\u0131rmaz<\/p>\n <p>G\u00fcr\u00fclt\u00fc, izolasyon d\u00fczeltmesinden sonra da devam ediyorsa, ba\u011flant\u0131 yolu hi\u00e7bir zaman toprak \u00fczerinden ge\u00e7memi\u015ftir. Bir sonraki yolu ara\u015ft\u0131r\u0131n: ortak kablolama, ekranlanmam\u0131\u015f saha kablolar\u0131, ray\u0131n yan\u0131nda bulunan bir s\u00fcr\u00fcc\u00fc. Beslemeyi izole etmek ilk ad\u0131md\u0131r, t\u00fcm prosed\u00fcr\u00fcn tamam\u0131 de\u011fildir.<\/p>\n<\/div>\n\n<h2>24 V Panel Ray\u0131: \u015earj Tutun, Topra\u011fa Ba\u011flay\u0131n veya \u0130kinci Bir Besleme Kayna\u011f\u0131 Ekleyin<\/h2>\n\n<p>\u015eimdi, panel \u00fcreticilerinin ger\u00e7ekten tart\u0131\u015ft\u0131\u011f\u0131 konu \u015fudur: 24 V\u2019luk g\u00fc\u00e7 kayna\u011f\u0131m\u0131n izole edilmi\u015f, serbest bir \u00e7\u0131k\u0131\u015f\u0131 var. DC negatifini (0 V) topra\u011fa ba\u011flamal\u0131 m\u0131y\u0131m, yoksa serbest b\u0131rakmal\u0131 m\u0131y\u0131m? End\u00fcstriyel DIN ray\u0131 g\u00fc\u00e7 kaynaklar\u0131n\u0131n b\u00fcy\u00fck \u00e7o\u011funlu\u011fu, SELV s\u0131n\u0131f\u0131 \u00e7\u0131k\u0131\u015flara sahip izole \u00fcnitelerdir; i\u015fte tam da bu nedenle karar size kalm\u0131\u015ft\u0131r.<\/p>\n\n<h3>Ray\u0131 y\u00fczd\u00fcrme: dijital G\/\u00c7 varsay\u0131lan ayar\u0131<\/h3>\n\n<p>Ray \u00fczerindeki her \u015fey dijitalse \u2014 yani yak\u0131nl\u0131k anahtarlar\u0131, fotoelektrik sens\u00f6rler, solenoid valfler ve r\u00f6le kontaklar\u0131 \u2014 DC negatif ucunu serbest b\u0131rak\u0131n. Serbest b\u0131rakma, 24 V devresini AC ve motor devrelerinden elektriksel olarak ayr\u0131 tutar; i\u015fte bu, para \u00f6dedi\u011finiz izolasyonun amac\u0131d\u0131r. Ray \u00fczerindeki hi\u00e7bir \u015feyin sabit bir gerilim referans\u0131na ihtiyac\u0131 yoktur; bu nedenle topraklama, ikinci bir g\u00fcr\u00fclt\u00fc yolu olu\u015fturmaktan ba\u015fka bir fayda sa\u011flamaz.<\/p>\n\n\n<div class=\"bp-cta-mid bd-reveal\">\n <p class=\"bp-cta-mid-ttl\"><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6.3 20.3a2.4 2.4 0 0 0 3.4 0L12 18l-6-6-2.3 2.3a2.4 2.4 0 0 0 0 3.4Z\"\/><path d=\"m2 22 3-3\"\/><path d=\"M7.5 13.5 10 11\"\/><path d=\"M10.5 16.5 13 14\"\/><path d=\"m18 3-4 4h6l-4 4\"\/><\/svg><\/span>24 V besleme hatt\u0131n\u0131z\u0131n y\u00fczer mi yoksa topraklanm\u0131\u015f m\u0131 olmas\u0131 gerekti\u011finden emin de\u011fil misiniz?<\/p>\n <p class=\"bp-cta-mid-copy\">Bize I\/O listenizi ve panel \u00e7iziminizi g\u00f6nderin; biz de izolasyon s\u0131ralar\u0131 da dahil olmak \u00fczere ihtiyac\u0131n\u0131z olan tedarik miktar\u0131n\u0131 size teyit edelim.<\/p>\n <a class=\"bp-cta-mid-btn\" href=\"https:\/\/www.omch.com\/tr\/contact\/\" target=\"_self\">Panel \u00f6zelliklerime bak<\/a>\n<\/div>\n\n<h3>Bir noktada topraklama: analog sinyallerin ray seviyesine ula\u015ft\u0131\u011f\u0131 anda<\/h3>\n\n<p>Ray, analog giri\u015flere (0-10 V veya 4-20 mA d\u00f6ng\u00fcleri) g\u00fc\u00e7 sa\u011flad\u0131\u011f\u0131 veya uzun kablo hatlar\u0131 \u00fczerinden sens\u00f6rlere ula\u015ft\u0131\u011f\u0131 anda, hesaplama de\u011fi\u015fir. Analog \u00f6l\u00e7\u00fcm, kararl\u0131 bir referans noktas\u0131na ihtiya\u00e7 duyar ve y\u00fczer ray, bu \u00f6l\u00e7\u00fcm\u00fc parazitik ba\u011flant\u0131lara maruz b\u0131rak\u0131r. Topraklama, sinyale besleme kayna\u011f\u0131nda tam olarak tek bir noktada tan\u0131mlanm\u0131\u015f bir s\u0131f\u0131r noktas\u0131 sa\u011flar:<\/p>\n\n<ol>\n<li>Ba\u011flant\u0131y\u0131, PLC\u2019ye veya bir saha cihaz\u0131na de\u011fil, g\u00fc\u00e7 kayna\u011f\u0131n\u0131n 0 V terminaline yap\u0131n.<\/li>\n<li>En az 14 AWG (2,08 mm\u00b2) kal\u0131nl\u0131\u011f\u0131nda, ye\u015fil veya \u00e7\u0131plak bak\u0131rdan yap\u0131lm\u0131\u015f \u00f6zel bir iletken kullan\u0131n.<\/li>\n<li>En k\u0131sa yoldan do\u011frudan panonun topraklama baras\u0131na ba\u011flay\u0131n.<\/li>\n<li>Ayn\u0131 24 V devresine asla ikinci bir toprak ba\u011flant\u0131s\u0131 eklemeyin.<\/li>\n<\/ol>\n\n<p>Ayr\u0131ca, bir PLC g\u00fc\u00e7 fi\u015findeki topraklama terminali, bir \u015fasi g\u00fcvenlik topraklamas\u0131d\u0131r; DC negatif ba\u011flant\u0131s\u0131 de\u011fildir; bu terminal, ray\u0131n\u0131za ba\u011fl\u0131 de\u011fildir.<\/p>\n\n<h3>\u0130kinci bir besleme kayna\u011f\u0131 ekleyin: y\u00fcksek ani ak\u0131m y\u00fckleri ve hassas b\u00f6l\u00fcmler<\/h3>\n\n<p>Baz\u0131 sorunlar asl\u0131nda topraklama sorunlar\u0131 de\u011fildir. Bir valf grubunun ani ak\u0131m y\u00fck\u00fc her devreye girdi\u011finde ray gerilimini d\u00fc\u015f\u00fcr\u00fcyorsa, besleme kayna\u011f\u0131 d\u00fczg\u00fcn \u00e7al\u0131\u015fsa bile PLC\u2019niz rastgele s\u0131f\u0131rlanabilir. \u00c7\u0131k\u0131\u015f korumas\u0131 sistemi de\u011fil, besleme kayna\u011f\u0131n\u0131 korur: B\u00fcy\u00fck bir y\u00fck ray gerilimini ak\u0131m s\u0131n\u0131rlama moduna \u00e7ekti\u011finde, di\u011fer her \u015feyde gerilim d\u00fc\u015f\u00fc\u015f\u00fc ya\u015fan\u0131r. DigiKey saha k\u0131lavuzu tam da bu ayr\u0131m\u0131 vurgular ve ani ak\u0131m y\u00fck\u00fc y\u00fcksek olan y\u00fckler i\u00e7in ba\u011f\u0131ms\u0131z bir besleme kayna\u011f\u0131 \u00f6nerir (<a href=\"https:\/\/forum.digikey.com\/t\/din-rail-industrial-power-supply-defining-characteristics\/64213\">DIN Rayl\u0131 End\u00fcstriyel G\u00fc\u00e7 Kayna\u011f\u0131: Temel \u00d6zellikler, DigiKey Uygulama K\u0131lavuzu<\/a>, 2026); ayn\u0131 mant\u0131k, motorlar veya \u0131s\u0131t\u0131c\u0131larla ayn\u0131 ray\u0131 payla\u015fan hassas \u00f6l\u00e7\u00fcm b\u00f6l\u00fcmleri i\u00e7in de ge\u00e7erlidir. Bu ikinci besleme, bir \u00fcst seviye besleme de\u011fildir; sadece farkl\u0131 bir y\u00fck grubu i\u00e7in ayr\u0131lm\u0131\u015f ba\u015fka bir izole \u00fcnitedir.<\/p>\n\n<div class=\"rich-table-wrap bd-reveal\">\n <p class=\"rich-table-title\">24 V besleme hatt\u0131n\u0131za genel bak\u0131\u015f<\/p>\n <div class=\"table-wrapper\">\n <table class=\"rich-table\">\n <thead>\n <tr><th>Sistem \u00f6zellikleri<\/th><th>Ne yap\u0131lmal\u0131?<\/th><th>S\u0131n\u0131r (bunun art\u0131k ge\u00e7erli olmamas\u0131n\u0131n durumu)<\/th><\/tr>\n <\/thead>\n <tbody>\n <tr><td>Yaln\u0131zca dijital G\/\u00c7 (yak\u0131nl\u0131k sens\u00f6rleri, fotoelektrik sens\u00f6rler, valfler, kuru kontaklar)<\/td><td>DC negatif ucunu serbest b\u0131rak\u0131n<\/td><td>Analog giri\u015fler veya uzun kablo hatlar\u0131 ray\u0131na ba\u011flan\u0131r<\/td><\/tr>\n <tr><td>Ray \u00fczerindeki analog giri\u015fler (0-10 V, 4-20 mA)<\/td><td>Besleme noktas\u0131nda topraklama, tek noktal\u0131<\/td><td>Devrede birden fazla topraklama noktas\u0131 bulunmaktad\u0131r<\/td><\/tr>\n <tr><td>Yak\u0131nlarda VFD\u2019ler veya a\u011f\u0131r makineler<\/td><td>Besleme noktas\u0131nda topraklama, tek noktal\u0131, filtreleme eklenmeli<\/td><td>Ba\u011flant\u0131 yolu kablolama yoluyla yap\u0131l\u0131r, topraklama yoluyla de\u011fil<\/td><\/tr>\n <tr><td>Saha kablolamas\u0131 olduk\u00e7a uzundur (onlarca metre)<\/td><td>Besleme noktas\u0131nda topraklay\u0131n; ekranl\u0131 kablo kullan\u0131n<\/td><td>Kablo ekranlar\u0131 her iki u\u00e7tan da topraklanm\u0131\u015ft\u0131r<\/td><\/tr>\n <tr><td>Ayn\u0131 ray \u00fczerinde bulunan valf grubu veya motorun ba\u015flang\u0131\u00e7 ak\u0131m\u0131<\/td><td>Y\u00fcksek ani ak\u0131m y\u00fcklerini ikinci bir yal\u0131t\u0131lm\u0131\u015f g\u00fc\u00e7 kayna\u011f\u0131na ba\u011flay\u0131n<\/td><td>Y\u00fck ba\u015flang\u0131\u00e7 ak\u0131m\u0131, g\u00fc\u00e7 kayna\u011f\u0131n\u0131n marj\u0131 s\u0131n\u0131rlar\u0131 i\u00e7indedir<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n<\/div>\n\n<h2>Ger\u00e7e\u011fi Sat\u0131n Almak: Bir Kayna\u011f\u0131n Ger\u00e7ekten \u0130zole Oldu\u011funu Nas\u0131l Do\u011frulayabiliriz?<\/h2>\n\n<p>Bir tedarik\u00e7i \u201cizole\u201d dedi\u011finde, \u00fcr\u00fcn\u00fc panele monte etmeden \u00f6nce teknik \u00f6zellik belgesinden bunu do\u011frulay\u0131n. \u00dc\u00e7 kontrol.<\/p>\n\n<p><strong>1. Kontrol: \u0130zolasyon gerilimi sat\u0131r\u0131.<\/strong> kV de\u011ferine sahip \u201cI\/P-O\/P\u201d veya \u201cgiri\u015f-\u00e7\u0131k\u0131\u015f\u201d ibarelerini aray\u0131n. Piyasada yayg\u0131n olarak kullan\u0131lan herhangi bir 75 W DIN ray\u0131 g\u00fc\u00e7 kayna\u011f\u0131n\u0131n teknik \u00f6zellik belgesini a\u00e7\u0131n, <a href=\"https:\/\/www.enocore.com\/mean-well\/ac-dc\/ac-dc-din-rail-power-supply\/ndr-75-series.html\">Mean Well\u2019in NDR-75 modeli<\/a> \u00d6rne\u011fin, \u00fczerinde \u201cI\/P-O\/P: 3 KVAC\u201d yaz\u0131yor. Bu rakam, dayan\u0131m (hipot) de\u011feridir: Yal\u0131t\u0131m, zamanl\u0131 bir \u00fcretim testinde bu gerilime dayan\u0131r, ancak s\u00fcrekli olarak de\u011fil. Yal\u0131t\u0131m sat\u0131r\u0131n\u0131n hi\u00e7 bulunmamas\u0131, planlama amac\u0131yla besleme kayna\u011f\u0131n\u0131n yal\u0131t\u0131ms\u0131z olarak de\u011ferlendirilmesi anlam\u0131na gelir.<\/p>\n\n<p><strong>2. Kontrol: G\u00fcvenlik standard\u0131 ve yal\u0131t\u0131m s\u0131n\u0131f\u0131.<\/strong> Modern g\u00fc\u00e7 kayna\u011f\u0131 g\u00fcvenli\u011fi, yal\u0131t\u0131m\u0131 i\u015flevsel (elektrik \u00e7arpmas\u0131na kar\u015f\u0131 koruma yok), temel (yaln\u0131zca normal kullan\u0131m) ve g\u00fc\u00e7lendirilmi\u015f (tek ar\u0131za korumas\u0131; \u015febeke-\u00e7\u0131k\u0131\u015f bariyerlerinin tasarland\u0131\u011f\u0131 s\u0131n\u0131f) olarak s\u0131n\u0131fland\u0131ran IEC 62368-1 standard\u0131na g\u00f6re i\u015fler. \u0130\u015faretleme blo\u011funda yer alan EN 62368-1 veya UL 508 i\u015fareti, bariyerin ger\u00e7ek bir laboratuvar taraf\u0131ndan sertifikaland\u0131r\u0131ld\u0131\u011f\u0131n\u0131 g\u00f6sterir.<\/p>\n\n<p><strong>3. Kontrol: \u00c7\u0131kt\u0131 referans dili.<\/strong> SELV ve PELV bu kategoride yer al\u0131r. Bir SELV \u00e7\u0131k\u0131\u015f\u0131, tasar\u0131m gere\u011fi topraktan ayr\u0131lm\u0131\u015ft\u0131r ve zorunlu bir koruyucu topraklama ba\u011flant\u0131s\u0131 yoktur: Bu \u00e7\u0131k\u0131\u015f\u0131 y\u00fczer durumda b\u0131rakabilir ya da tek bir noktadan topraklayabilirsiniz. PELV \u00e7\u0131k\u0131\u015f\u0131 ise topraklanm\u0131\u015f bir \u00e7e\u015fittir ve tasar\u0131m gere\u011fi topra\u011fa referansl\u0131d\u0131r: daha iyi EMC performans\u0131 sunar, ancak y\u00fczer ba\u011flant\u0131 se\u00e7ene\u011fi yoktur. IEC 62368-1 standard\u0131nda art\u0131k SELV ve PELV yerine enerji kaynaklar\u0131 (ES1) terimlerinin kullan\u0131ld\u0131\u011f\u0131na dikkat edin; bu nedenle modern teknik \u00f6zellik belgelerinde her iki terim de yer almaktad\u0131r (<a href=\"https:\/\/psu.deltaww.com\/en\/industry-know-how\/what-is-the-difference-between-selv-pelv-and-es1-in-ac-dc-power-supplies\">Delta Electronics\u2019in AC\/DC g\u00fc\u00e7 kaynaklar\u0131ndaki SELV, PELV ve ES1<\/a>). Hangi isimle an\u0131l\u0131rsa an\u0131ls\u0131n, as\u0131l \u00f6nemli olan soru \u015fudur: Bu \u00e7\u0131k\u0131\u015f, tasar\u0131m gere\u011fi serbest mi kalacak, yoksa topraklanm\u0131\u015f m\u0131 olacak?<\/p>\n\n<div class=\"rich-card bd-reveal\">\n <p class=\"rich-card-title\"><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" 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>Sipari\u015f vermeden \u00f6nce veri sayfas\u0131nda \u00fc\u00e7 sat\u0131r\u0131 inceleyin<\/p>\n <ul class=\"rich-list\">\n <li><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><path d=\"m9 11 3 3L22 4\"\/><\/svg><\/span><span>I\/P-O\/P izolasyon gerilimi (3 KVAC gibi bir kV de\u011feri): izolasyon bariyerinin mevcut oldu\u011funu ve \u00fcretim s\u0131ras\u0131nda test edildi\u011fini kan\u0131tlar.<\/span><\/li>\n <li><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><path d=\"m9 11 3 3L22 4\"\/><\/svg><\/span><span>G\u00fcvenlik standard\u0131 ve yal\u0131t\u0131m s\u0131n\u0131f\u0131 (EN 62368-1, g\u00fc\u00e7lendirilmi\u015f): Bu, bir test laboratuvar\u0131n\u0131n bariyeri sertifikaland\u0131rd\u0131\u011f\u0131n\u0131 kan\u0131tlar.<\/span><\/li>\n <li><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><path d=\"m9 11 3 3L22 4\"\/><\/svg><\/span><span>\u00c7\u0131k\u0131\u015f referans gerilimi (SELV y\u00fczer tip mi, yoksa PELV toprakl\u0131 tip mi): Ray\u0131n tasar\u0131m gere\u011fi y\u00fczer mi yoksa toprakl\u0131 m\u0131 oldu\u011funu belirtir.<\/span><\/li>\n <\/ul>\n<\/div>\n\n<p>\u0130zolasyonu \u201ckan\u0131tlamak\u201d i\u00e7in multimetreyle giri\u015f-\u00e7\u0131k\u0131\u015f aras\u0131nda devaml\u0131l\u0131k testi yapmak gibi yayg\u0131n ama i\u015fe yaramayan bir y\u00f6ntem. \u0130zoleli bir g\u00fc\u00e7 kayna\u011f\u0131, tasar\u0131m gere\u011fi bu noktada a\u00e7\u0131k devre olarak okunur; dolay\u0131s\u0131yla bu test hi\u00e7bir \u015fey ifade etmez; as\u0131l kan\u0131t, teknik \u00f6zellik tablosundaki veridir. \u0130zolasyonsuz g\u00fc\u00e7 kaynaklar\u0131n\u0131n h\u00e2l\u00e2 me\u015fru bir kullan\u0131m alan\u0131 vard\u0131r: Giri\u015finiz zaten bir SELV DC veriyolu ise ve y\u00fck noktas\u0131nda k\u00fc\u00e7\u00fck bir reg\u00fcle edilmi\u015f d\u00fc\u015f\u00fcrme gerektiriyorsa, izolasyonsuz bir buck mod\u00fcl\u00fc do\u011fru ve daha ucuz bir ara\u00e7t\u0131r. Bu mod\u00fcl, panel ray\u0131nda de\u011fil, elektronik distrib\u00fct\u00f6r\u00fcn\u00fcn raf\u0131nda bulunur.<\/p>\n\n<h2>Bunun Da\u011f\u0131t\u0131c\u0131lar \u0130\u00e7in Anlam\u0131<\/h2>\n\n<p>E\u011fer g\u00fc\u00e7 kaynaklar\u0131 stokluyor ve sat\u0131yorsan\u0131z, bu makale \u00fc\u00e7 temel operasyonel ger\u00e7e\u011fi \u00f6zetlemektedir.<\/p>\n\n<p>\u00d6ncelikle, \u201cizole\u201d \u00f6zelli\u011fi DIN ray\u0131 g\u00fc\u00e7 kaynaklar\u0131nda bir premium \u00f6zellik de\u011fildir; bu, kategorinin varsay\u0131lan \u00f6zelli\u011fidir. \u201cBu \u00fcr\u00fcn izole mi?\u201d diye soran bir m\u00fc\u015fteri, daha fazla \u00f6deme yapmak i\u00e7in izin istemiyor. Asl\u0131nda iki \u00f6nemli soru soruyor: \u00dcr\u00fcn, sertifikal\u0131 bir izolasyon bariyerine sahip mi (standart ve kV sat\u0131r\u0131n\u0131 kontrol edin)? Ve \u00e7\u0131k\u0131\u015f\u0131, uygulamam\u0131n gerektirdi\u011fi \u015fekilde y\u00fczer veya topraklayabilir miyim (referans metnini kontrol edin)? Her iki soruyu da veri sayfas\u0131ndan otuz saniye i\u00e7inde yan\u0131tlay\u0131n; i\u015fte o zaman yetkinli\u011finizi kan\u0131tlam\u0131\u015f olursunuz.<\/p>\n\n<div class=\"rich-table-wrap bd-reveal\">\n <p class=\"rich-table-title\">Otuz ikinci cevap ka\u011f\u0131d\u0131<\/p>\n <div class=\"table-wrapper\">\n <table class=\"rich-table\">\n <thead>\n <tr><th>M\u00fc\u015fteri sorusu<\/th><th>30 saniyelik cevap<\/th><th>Belirtilmesi gereken veri sayfas\u0131 sat\u0131r\u0131<\/th><\/tr>\n <\/thead>\n <tbody>\n <tr><td>\u201cBu kaynak izole mi?\u201d<\/td><td>Evet, e\u011fer bir I\/P-O\/P kV de\u011feri ve ge\u00e7erli bir g\u00fcvenlik standard\u0131 varsa<\/td><td>\u0130zolasyon gerilimi sat\u0131r\u0131 + standart i\u015faretleme<\/td><\/tr>\n <tr><td>\u201cNegatifi havada as\u0131l\u0131 tutabilir miyim yoksa topra\u011fa ba\u011flayabilir miyim?\u201d<\/td><td>\u0130zole SELV \u00e7\u0131k\u0131\u015f\u0131: Se\u00e7im size kalm\u0131\u015f, yaln\u0131zca tek bir topraklama noktas\u0131<\/td><td>\u00c7\u0131k\u0131\u015f referans\u0131 \/ SELV-PELV dil<\/td><\/tr>\n <tr><td>\u201cNeden yal\u0131t\u0131ms\u0131z olan bu kadar ucuz?\u201d<\/td><td>Farkl\u0131 kategori: kart d\u00fczeyinde y\u00fck noktas\u0131, panel ray\u0131 beslemesi de\u011fil<\/td><td>Topoloji ve giri\u015f taraf\u0131 gerilimi<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n<\/div>\n\n<p>\u0130kincisi, standart \u00fcr\u00fcnleri stoklay\u0131n. 24 V aral\u0131\u011f\u0131ndaki izole DIN ray\u0131 g\u00fc\u00e7 kaynaklar\u0131 en \u00e7ok sat\u0131lan \u00fcr\u00fcn grubudur ve izole LED s\u00fcr\u00fcc\u00fcler de kendi kategorilerinde ayn\u0131 kural\u0131 izler. \u0130zolasyonsuz y\u00fck noktas\u0131 mod\u00fclleri ise elektronik da\u011f\u0131t\u0131m kanal\u0131na aittir: daha d\u00fc\u015f\u00fck fiyatl\u0131, daha yo\u011fun teknik destek gerektiren ve panel \u00fcreticileriyle m\u00fc\u015fteri kitlesi \u00e7ak\u0131\u015fmayan bir segmenttir. \u0130zolasyonsuz bir talep geldi\u011finde, genellikle en yararl\u0131 cevap bu \u00fcr\u00fcn\u00fc tedarik etmek de\u011fil, m\u00fc\u015fterinin giri\u015f voltaj\u0131n\u0131n nereden geldi\u011fini teyit etmek ve onu do\u011fru kanala y\u00f6nlendirmektir.<\/p>\n\n<p>\u00dc\u00e7\u00fcnc\u00fcs\u00fc, vaadin do\u011frulanabilir olmas\u0131n\u0131 sa\u011flay\u0131n. Pazarlama stratejileri nedeniyle \u201cizole\u201d kavram\u0131 geni\u015fletildi\u011finde, m\u00fc\u015fteriye bir teknik \u00f6zellik tablosu sunabilen tedarik\u00e7i, g\u00f6r\u00fc\u015fmenin kontrol\u00fcn\u00fc ele ge\u00e7irir. Fiyat\u0131 belirtmeden \u00f6nce, ilk olarak teknik \u00f6zellik tablosunu sunun.<\/p>\n\n<hr>\n\n<p><em>DIN ray\u0131 tipi bir g\u00fc\u00e7 kayna\u011f\u0131 se\u00e7iyorsan\u0131z ve sat\u0131n alma karar\u0131n\u0131 vermeden \u00f6nce yal\u0131t\u0131m s\u0131ralar\u0131n\u0131 elinizde bulundurmak istiyorsan\u0131z, OMCH\u2019nin <a href=\"https:\/\/www.omch.com\/tr\/product-selection\/\">\u00f6zellik tabanl\u0131 se\u00e7im deste\u011fi<\/a> Sat\u0131\u015f konu\u015fmas\u0131ndan de\u011fil, teknik \u00f6zellik tablosundan ve \u00e7izimden yola \u00e7\u0131kar\u0131z. Uygulama ayr\u0131nt\u0131lar\u0131n\u0131z\u0131 bize g\u00f6nderin; size uygun \u00fcr\u00fcn\u00fc belirleyece\u011fiz ve 30\u2019dan fazla \u00fcr\u00fcn kategorimizden hi\u00e7birinin uygun olmad\u0131\u011f\u0131 durumlarda bunu a\u00e7\u0131k\u00e7a size bildirece\u011fiz.<\/em><\/p>\n\n\n<div class=\"bp-cta-end bd-reveal\">\n <p class=\"bp-cta-end-ttl\"><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M14.536 21.686a.5.5 0 0 0 .937-.024l6.5-19a.496.496 0 0 0-.635-.635l-19 6.5a.5.5 0 0 0-.024.937l7.93 3.18a2 2 0 0 1 1.112 1.11z\"\/><path d=\"m21.854 2.147-10.94 10.939\"\/><\/svg><\/span>\u0130zoleli mi, izole edilmemi\u015f mi: Sipari\u015f vermeden \u00f6nce bu konuyu netle\u015ftirin.<\/p>\n <p class=\"bp-cta-end-sub\">Kar\u015f\u0131la\u015ft\u0131rd\u0131\u011f\u0131n\u0131z uygulama gerilimini ve y\u00fck listesini bize g\u00f6nderin; teklifimizle birlikte size uygun DIN ray\u0131 g\u00fc\u00e7 kayna\u011f\u0131n\u0131 ve izolasyon \u00f6zelliklerini teyit edece\u011fiz.<\/p>\n <a class=\"bp-cta-end-btn\" href=\"https:\/\/www.omch.com\/tr\/contact\/\" target=\"_self\">Tedarik \u015fartnamenizi g\u00f6nderin<\/a>\n<\/div>\n\n<h2>Kaynak\u00e7a<\/h2>\n<ol class=\"bd-refs\">\n <li><a href=\"https:\/\/psu.deltaww.com\/en\/industry-know-how\/what-is-the-difference-between-selv-pelv-and-es1-in-ac-dc-power-supplies\" target=\"_blank\" rel=\"noopener\">AC\/DC G\u00fc\u00e7 Kaynaklar\u0131nda SELV, PELV ve ES1 \u2014 Delta Electronics<\/a><\/li>\n <li><a href=\"https:\/\/www.enocore.com\/mean-well\/ac-dc\/ac-dc-din-rail-power-supply\/ndr-75-series.html\" target=\"_blank\" rel=\"noopener\">NDR-75 Serisi DIN Ray\u0131 G\u00fc\u00e7 Kayna\u011f\u0131 Teknik \u00d6zellikleri \u2014 MEAN WELL<\/a><\/li>\n <li><a href=\"https:\/\/forum.digikey.com\/t\/din-rail-industrial-power-supply-defining-characteristics\/64213\" target=\"_blank\" rel=\"noopener\">DIN Ray\u0131 End\u00fcstriyel G\u00fc\u00e7 Kayna\u011f\u0131: Temel \u00d6zellikler \u2014 End\u00fcstriyel Otomasyon i\u00e7in DigiKey Saha K\u0131lavuzu<\/a><\/li>\n <li><a href=\"https:\/\/www.eevblog.com\/forum\/beginners\/grounding-of-non-isolated-power-supply\/\" target=\"_blank\" rel=\"noopener\">\u0130zole edilmemi\u015f g\u00fc\u00e7 kayna\u011f\u0131n\u0131n topraklanmas\u0131 \u2014 EEVblog forumu<\/a><\/li>\n <li><a href=\"https:\/\/www.eevblog.com\/forum\/projects\/industrial-control-panel-grounding\/\" target=\"_blank\" rel=\"noopener\">End\u00fcstriyel Kontrol Paneli Topraklamas\u0131 \u2014 EEVblog forumu<\/a><\/li>\n <li><a href=\"https:\/\/forums.ni.com\/t5\/Multifunction-DAQ\/Pressure-Sensor-Ground-Loop-Problem\/td-p\/1285148\" target=\"_blank\" rel=\"noopener\">Bas\u0131n\u00e7 Sens\u00f6r\u00fcnde Toprak D\u00f6ng\u00fcs\u00fc Sorunu \u2014 NI Toplulu\u011fu<\/a><\/li>\n <li><a href=\"https:\/\/www.reddit.com\/r\/PLC\/comments\/17z7ww3\/ground_as_source_of_jitter\/\" target=\"_blank\" rel=\"noopener\">Jitter kayna\u011f\u0131 olarak zemin \u2014 r\/PLC<\/a><\/li>\n <li><a href=\"https:\/\/electronics.stackexchange.com\/questions\/736931\/isolated-vs-non-isolated-power-supplies\" target=\"_blank\" rel=\"noopener\">\u0130zole ve izole olmayan g\u00fc\u00e7 kaynaklar\u0131 \u2014 Electronics StackExchange<\/a><\/li>\n <li><a href=\"https:\/\/www.omch.com\/tr\/product-selection\/\" target=\"_blank\" rel=\"noopener\">\u00dcr\u00fcn Se\u00e7imi \u2014 OMCH<\/a><\/li>\n <li><a href=\"https:\/\/www.omch.com\/tr\/switch-mode-power-supply\/\" target=\"_blank\" rel=\"noopener\">Anahtarlamal\u0131 G\u00fc\u00e7 Kaynaklar\u0131 \u2014 OMCH<\/a><\/li>\n <li><a href=\"https:\/\/www.omch.com\/tr\/\" target=\"_blank\" rel=\"noopener\">OMCH \u2014 End\u00fcstriyel Otomasyon Bile\u015fenleri<\/a><\/li>\n<\/ol>\n\n<\/article>\n<\/div>\n\n<\/body>\n<\/html>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u0130zole Edilmi\u015f ve \u0130zole Edilmemi\u015f G\u00fc\u00e7 Kaynaklar\u0131: Panonuzun \u0130\u00e7inde Asl\u0131nda Neler De\u011fi\u015fir? Son zamanlarda \u201cizole edilmi\u015f ve izole edilmemi\u015f g\u00fc\u00e7 kayna\u011f\u0131\u201d aramas\u0131 yapt\u0131ysan\u0131z, kafa kar\u0131\u015ft\u0131r\u0131c\u0131 k\u0131sm\u0131 biliyorsunuzdur: sonu\u00e7lar\u0131n yar\u0131s\u0131 gitar pedal\u0131 g\u00fc\u00e7 adapt\u00f6rlerini, di\u011fer yar\u0131s\u0131 ise havac\u0131l\u0131k ve uzay sekt\u00f6r\u00fcne ait teknik \u00f6zellik belgelerini i\u00e7eriyor. Hi\u00e7biri, sens\u00f6rleri \u00e7al\u0131\u015ft\u0131ran 24 V\u2019luk g\u00fc\u00e7 kaynaklar\u0131 i\u00e7in bu terimin ne anlama geldi\u011fini a\u00e7\u0131klam\u0131yor, [\u2026]<\/p>","protected":false},"author":4,"featured_media":12276,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Isolated vs. Non-Isolated Power Supplies: Key Differences","_seopress_titles_desc":"Compare isolated and non-isolated power supplies by safety, ground loops, leakage, EMC and 24 V panel applications.","_seopress_robots_index":"","footnotes":""},"categories":[79],"tags":[],"class_list":["post-12268","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mmlblog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/comments?post=12268"}],"version-history":[{"count":3,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12268\/revisions"}],"predecessor-version":[{"id":12279,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12268\/revisions\/12279"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/media\/12276"}],"wp:attachment":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/media?parent=12268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/categories?post=12268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/tags?post=12268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":12268,"date":"2026-09-10T03:27:38","date_gmt":"2026-09-10T03:27:38","guid":{"rendered":"https:\/\/www.omch.com\/?p=12268"},"modified":"2026-09-10T03:33:32","modified_gmt":"2026-09-10T03:33:32","slug":"isolated-vs-non-isolated-power-supply","status":"publish","type":"post","link":"https:\/\/www.omch.com\/tr\/isolated-vs-non-isolated-power-supply\/","title":{"rendered":"\u0130zoleli ve \u0130zoleli Olmayan G\u00fc\u00e7 Kayna\u011f\u0131: Panelinizin \u0130\u00e7inde Asl\u0131nda Neler De\u011fi\u015fir?"},"content":{"rendered":"\n\n\n\n\n\u0130zoleli ve \u0130zoleli Olmayan G\u00fc\u00e7 Kayna\u011f\u0131: Panelinizin \u0130\u00e7inde Asl\u0131nda Neler De\u011fi\u015fir?<\/title>\n<\/head>\n<body>\n\n<div class=\"bd-post\">\n<style>\n\/* fonts: BLOG scope only \u2014 copied verbatim from the brand Standard Blog CSS Header. *\/\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 \/* ---- color tokens: OMCH v4 palette (plan palette \u2014 single source of hex) ---- *\/\n --body-bg: #FFFFFF;\n --text-primary: #333333;\n --text-secondary: #6E6E6E;\n --heading-ink: #000000;\n --accent: #479DE2;\n --accent-text: #2A76B4;\n --accent-hot: #FD9649;\n --navy: #0D3972;\n --inverse-bg: #1E1E1E;\n --inverse-text: #FFFFFF;\n --inverse-text-secondary: #B0B0B0;\n --card-fill: #F4F8FC;\n --card-border: #E0E0E0;\n --divider: #C0C0C0;\n --panel-fill: #FAFAFA;\n --btn-white: #FFFFFF;\n --btn-ink: #1E1E1E;\n \/* ---- layout ---- *\/\n --prose-width: 720px;\n --gap-attach: 16px;\n --gap-normal: 32px;\n --gap-section: 48px;\n --pad-standard: 24px;\n\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 padding: 40px;\n max-width: 100%;\n box-sizing: border-box;\n}\n.bd-post a { overflow-wrap: anywhere; 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color: var(--inverse-text-secondary); margin: 0; max-width: 34em; }\n.bd-post .bp-cta-end-btn {\n display: inline-flex; align-items: center; gap: 8px;\n background: var(--accent-hot); color: var(--btn-ink);\n font-family: \"Roboto\", sans-serif; font-weight: 600; font-size: 15px;\n text-decoration: none; padding: 10px 20px; border-radius: 6px;\n}\n\n\/* ---- sanctioned motion ---- *\/\n@media (prefers-reduced-motion: no-preference) {\n @supports (animation-timeline: view()) {\n .bd-post .bd-reveal { animation: bd-fade-in linear both; animation-timeline: view(); animation-range: entry 0% entry 35%; }\n @keyframes bd-fade-in { from { opacity: 0; } to { opacity: 1; } }\n }\n .bd-post h2 { transition: color .2s ease-out, transform .2s ease-out; }\n .bd-post h2:hover { color: var(--accent-text); transform: scale(1.01); }\n .bd-post .bd-post-article a { transition: color .2s ease-out; }\n .bd-post p a:hover, .bd-post li a:hover, .bd-post blockquote a:hover, .bd-post td a:hover { color: var(--heading-ink); }\n .bd-post .rich-card, .bd-post .rich-callout { transition: transform .2s ease-out, box-shadow .2s ease-out; }\n .bd-post .rich-card:hover, .bd-post .rich-callout:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.08); }\n .bd-post .bp-cta-mid-btn { transition: background .2s ease-out, color .2s ease-out, transform .2s ease-out, box-shadow .2s ease-out; }\n .bd-post .bp-cta-mid-btn:hover { background: var(--accent-text); color: var(--btn-white); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.18); }\n .bd-post .bp-cta-end-btn { transition: background .2s ease-out, color .2s ease-out, transform .2s ease-out, box-shadow .2s ease-out; }\n .bd-post .bp-cta-end-btn:hover { background: var(--btn-white); color: var(--btn-ink); transform: translateY(-2px); box-shadow: 0 4px 14px rgba(0,0,0,0.25); }\n}\n\n\/* ---- mobile ---- *\/\n@media (max-width: 768px) {\n .bd-post { padding: 16px; }\n .bd-post h1 { font-size: 22px; }\n .bd-post h2 { font-size: 26px; margin-top: 32px; }\n .bd-post h3 { font-size: 20px; margin-top: 24px; }\n}\n\n\/* ---- References (canonical .bd-refs) ---- *\/\n.bd-post .bd-refs { margin: 0 0 1em; padding-left: 1.6em; }\n.bd-post .bd-refs li { font-size: 14px; line-height: 1.7; color: var(--text-secondary); margin-bottom: 10px; overflow-wrap: anywhere; }\n.bd-post .bd-refs li::marker { color: var(--accent-text); }\n.bd-post .bd-refs li a { color: var(--accent-text); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; overflow-wrap: anywhere; }\n.bd-post .bd-refs li a:hover { color: var(--heading-ink); }\n<\/style>\n<article class=\"bd-post-article\">\n\n<p>Son zamanlarda \u201cizole edilmi\u015f ve izole edilmemi\u015f g\u00fc\u00e7 kayna\u011f\u0131\u201d aramas\u0131 yapt\u0131ysan\u0131z, kafa kar\u0131\u015ft\u0131r\u0131c\u0131 k\u0131sm\u0131 biliyorsunuzdur: Sonu\u00e7lar\u0131n yar\u0131s\u0131 gitar pedal\u0131 g\u00fc\u00e7 adapt\u00f6rlerini, di\u011fer yar\u0131s\u0131 ise havac\u0131l\u0131k ve uzay sekt\u00f6r\u00fcne ait teknik \u00f6zellik belgelerini ele al\u0131yor. Hi\u00e7biri, end\u00fcstriyel kontrol panellerinin i\u00e7indeki sens\u00f6rleri, PLC\u2019leri ve r\u00f6leleri \u00e7al\u0131\u015ft\u0131ran 24 V\u2019luk g\u00fc\u00e7 kaynaklar\u0131 i\u00e7in bu terimin ne anlama geldi\u011fini a\u00e7\u0131klam\u0131yor. Bu k\u0131lavuz ise tam da bu alana odaklan\u0131yor.<\/p>\n\n <img decoding=\"async\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/09\/DIN-Power-Supply.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>\u201c\u0130zole\u201d ve \u201c\u0130zole Olmayan\u201d Terimlerinin Ger\u00e7ek Anlam\u0131 Nedir?<\/h2>\n\n<p>\u0130zole edilmi\u015f bir g\u00fc\u00e7 kayna\u011f\u0131n\u0131n <strong>giri\u015fi ile \u00e7\u0131k\u0131\u015f\u0131 aras\u0131nda hi\u00e7bir do\u011fru ak\u0131m yolu yoktur<\/strong>. \u0130\u00e7eride, bir transformat\u00f6r manyetik bir aral\u0131k \u00fczerinden enerji aktar\u0131r; dolay\u0131s\u0131yla iki taraf\u0131 birbirine ba\u011flayan kesintisiz bir iletken yoktur; i\u015fte bu aral\u0131k, mekanizman\u0131n tamam\u0131n\u0131 olu\u015fturur.<\/p>\n\n<p>\u0130zolasyonsuz bir besleme, ak\u0131m yolunu korur. Tipik izolasyonsuz tasar\u0131mlar aras\u0131nda, giri\u015f negatif ucu ile \u00e7\u0131k\u0131\u015f negatif ucunun ayn\u0131 iletken \u00fczerinde bulundu\u011fu d\u00fc\u015f\u00fcrme d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fcler bulunur. Bu ortak iletkenin, veri sayfalar\u0131nda ve forum g\u00f6nderilerinde kar\u015f\u0131la\u015faca\u011f\u0131n\u0131z bir ad\u0131 vard\u0131r: <strong>ortak negatif<\/strong>. Birisi bir sinyalin \u201cizole edilmemi\u015f\u201d oldu\u011funu s\u00f6yledi\u011finde, giri\u015f ve \u00e7\u0131k\u0131\u015f\u0131n ayn\u0131 referans noktas\u0131n\u0131 payla\u015ft\u0131\u011f\u0131n\u0131 kasteder.<\/p>\n\n<p>\u0130lk sonu\u00e7: \u0130zole edilmi\u015f bir \u00e7\u0131kt\u0131 \u015fudur: <strong>y\u00fczen<\/strong>. Giri\u015f taraf\u0131yla hi\u00e7bir ba\u011flant\u0131s\u0131 olmad\u0131\u011f\u0131 i\u00e7in, siz bir ba\u011flant\u0131 kurana kadar negatif ucu toprakla sabit bir ili\u015fkiye sahip de\u011fildir. \u0130zolasyonlu olmayan bir \u00e7\u0131k\u0131\u015f\u0131n referans noktas\u0131, giri\u015f taraf\u0131na sabitlenmi\u015ftir.<\/p>\n\n\n<div class=\"bp-1-hook bd-reveal\">\n <div class=\"bp-1-icon\" aria-hidden=\"true\">\n <svg class=\"ico\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"m19 5 3-3\"\/><path d=\"m2 22 3-3\"\/><path d=\"M6.3 20.3a2.4 2.4 0 0 0 3.4 0L12 18l-6-6-2.3 2.3a2.4 2.4 0 0 0 0 3.4Z\"\/><path d=\"M7.5 13.5 10 11\"\/><path d=\"M10.5 16.5 13 14\"\/><path d=\"m12 6 6 6 2.3-2.3a2.4 2.4 0 0 0 0-3.4l-2.6-2.6a2.4 2.4 0 0 0-3.4 0Z\"\/><\/svg>\n <\/div>\n <div class=\"bp-1-body\">\n <p class=\"bp-1-title\">\u0130zolasyon, tek c\u00fcmleyle<\/p>\n <p class=\"bp-1-lines\">\u201c\u0130zole\u201d terimi, giri\u015f ile \u00e7\u0131k\u0131\u015f aras\u0131nda do\u011fru ak\u0131m yolu olmad\u0131\u011f\u0131 anlam\u0131na gelir; \u201cizole olmayan\u201d terimi ise giri\u015f ve \u00e7\u0131k\u0131\u015f\u0131n tek bir referans noktas\u0131n\u0131 (\u201cortak negatif\u201d) payla\u015ft\u0131\u011f\u0131 anlam\u0131na gelir. \u0130zole bir \u00e7\u0131k\u0131\u015f\u0131 giri\u015f taraf\u0131na ba\u011flayan hi\u00e7bir \u015fey olmad\u0131\u011f\u0131ndan, bu \u00e7\u0131k\u0131\u015f, nereye sabitlenece\u011fine karar verene kadar \u201cserbest\u201d kal\u0131r.<\/p>\n <\/div>\n<\/div>\n\n<p>\u0130kinci sonu\u00e7: \u201cizole edilmemi\u015f\u201d durumun \u201cyeterince g\u00fcvenli\u201d olup olmad\u0131\u011f\u0131 tamamen \u015funa ba\u011fl\u0131d\u0131r: <strong>giri\u015f taraf\u0131nda ne var<\/strong>. \u015eebeke gerilimini herhangi bir koruma \u00f6nlemi olmaks\u0131z\u0131n do\u011frudan d\u00fc\u015f\u00fcr\u00fcrseniz, \u00e7\u0131k\u0131\u015f gerilimi tehlikeli olabilir; halihaz\u0131rda g\u00fcvenli olan d\u00fc\u015f\u00fck gerilimli bir DC baras\u0131ndan gerilimi d\u00fc\u015f\u00fcr\u00fcrseniz ise izolasyon, g\u00fcvenlik a\u00e7\u0131s\u0131ndan pek bir katk\u0131 sa\u011flamaz. Tehlike, d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fcden de\u011fil, kaynak taraf\u0131ndan kaynaklan\u0131r.<\/p>\n\n<h2>Tek Kelime, \u00dc\u00e7 K\u0131r\u0131lma Noktas\u0131<\/h2>\n\n<p>\u201c\u0130zole\u201d terimi, ancak bir \u015fey belirtildi\u011finde bir anlam kazan\u0131r <strong>nerede<\/strong> \"break\" kelimesinin anlam\u0131 budur. Bu \u00fc\u00e7 yayg\u0131n anlam\u0131n birbirleriyle neredeyse hi\u00e7bir ortak y\u00f6n\u00fc yoktur:<\/p>\n\n<div class=\"rich-table-wrap bd-reveal\">\n <p class=\"rich-table-title\">Tek kelime, \u00fc\u00e7 k\u0131r\u0131lma noktas\u0131<\/p>\n <div class=\"table-wrapper\">\n <table class=\"rich-table\">\n <thead>\n <tr><th>K\u0131r\u0131lma noktas\u0131<\/th><th>Neye \u00e7\u00f6z\u00fcm getirir?<\/th><th>Tipik \u00fcr\u00fcnler<\/th><th>Bu k\u0131lavuzda hangi konular ele al\u0131nmaktad\u0131r?<\/th><\/tr>\n <\/thead>\n <tbody>\n <tr><td>Giri\u015f ile \u00e7\u0131k\u0131\u015f aras\u0131nda<\/td><td>\u015eebeke g\u00fcvenli\u011fi; \u00e7\u0131k\u0131\u015f\u0131n serbest kalmas\u0131n\u0131 sa\u011flar<\/td><td>AC-DC anahtarlamal\u0131 g\u00fc\u00e7 kaynaklar\u0131, DIN ray\u0131 g\u00fc\u00e7 kaynaklar\u0131, \u00e7o\u011fu LED s\u00fcr\u00fcc\u00fcs\u00fc<\/td><td>Evet \u2014 bu k\u0131lavuzun geri kalan\u0131<\/td><\/tr>\n <tr><td>\u00c7\u0131k\u0131\u015flar aras\u0131nda<\/td><td>Kanallar aras\u0131ndaki g\u00fcr\u00fclt\u00fc aktar\u0131m\u0131n\u0131 \u00f6nler<\/td><td>\u00c7ok \u00e7\u0131k\u0131\u015fl\u0131 ses \/ pedal g\u00fc\u00e7 kaynaklar\u0131<\/td><td>Hay\u0131r \u2014 farkl\u0131 bir izolasyon yakla\u015f\u0131m\u0131<\/td><\/tr>\n <tr><td>Eksi kutuplar aras\u0131nda<\/td><td>Farkl\u0131 referans numaralar\u0131na sahip iki pil sistemi<\/td><td>Ara\u00e7lar ve tekneler i\u00e7in DC-DC \u015farj cihazlar\u0131<\/td><td>Hay\u0131r \u2014 bir kablolama yedeklili\u011fi konsepti<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n<\/div>\n\n<p>Bir pedal g\u00fc\u00e7 kayna\u011f\u0131ndaki \u201cizolasyon\u201d, \u00e7\u0131k\u0131\u015flar aras\u0131nda yer al\u0131r ve pedallar aras\u0131ndaki u\u011fultuyu \u00f6nler; bir ara\u00e7 DC-DC \u015farj cihaz\u0131ndaki \u201cizolasyon\u201d ise, iki ak\u00fc sistemi temiz bir ortak d\u00f6n\u00fc\u015f hatt\u0131n\u0131 payla\u015fmad\u0131\u011f\u0131ndan, \u00e7\u0131k\u0131\u015f eksi kutbunun giri\u015f eksi kutbuna ba\u011fl\u0131 olmad\u0131\u011f\u0131 anlam\u0131na gelir. Bu iki karar kural\u0131n\u0131n hi\u00e7biri kontrol panellerine uygulanamaz. Buna benzer bir durum da burada yer almal\u0131d\u0131r: LED s\u00fcr\u00fcc\u00fcleri de giri\u015f-\u00e7\u0131k\u0131\u015f izolasyonu konusunda ikiye ayr\u0131l\u0131r. \u0130zolasyonlu s\u00fcr\u00fcc\u00fcler bir transformat\u00f6r i\u00e7erir; izolasyonsuz s\u00fcr\u00fcc\u00fcler daha ucuzdur ve g\u00fcvenlik i\u015finin armat\u00fcr\u00fcn yal\u0131t\u0131m\u0131 taraf\u0131ndan tamamlanmas\u0131n\u0131 bekler.<\/p>\n\n<p>Bundan sonra, \u201cizole\u201d terimi, panonuzun i\u00e7ine y\u00fczer 24 V besleme hatt\u0131 yerle\u015ftirilen t\u00fcrden, giri\u015f-\u00e7\u0131k\u0131\u015f izolasyonunu ifade eder.<\/p>\n\n<h2>\u00c7\u0131k\u0131\u015f Yal\u0131t\u0131lmad\u0131\u011f\u0131nda Ne Olur (ve Yal\u0131t\u0131ms\u0131z \u00c7al\u0131\u015fman\u0131n Size Maliyeti Nedir)<\/h2>\n\n<p>\u0130\u015fte burada teori, saha deneyimiyle birle\u015fiyor; \u00e7\u00fcnk\u00fc burada yap\u0131lan hatalar, bir gece boyunca sorun gidermeyle u\u011fra\u015fmak anlam\u0131na geliyor.<\/p>\n\n<h3>\u201cTek ortak referans\u201d bir toprak d\u00f6ng\u00fcs\u00fcne d\u00f6n\u00fc\u015ft\u00fc\u011f\u00fcnde<\/h3>\n\n<p>\u0130zole edilmemi\u015f bir \u00e7\u0131k\u0131\u015f, giri\u015f referans\u0131yla ayn\u0131 iletkeni payla\u015f\u0131r ve referansa ikinci bir noktadan herhangi bir \u015fey temas etti\u011fi anda bu durum bir ar\u0131zaya yol a\u00e7ar. Bir EEVblog okuyucusu, daha temiz bir sistem elde etmeyi umarak, izole edilmemi\u015f bir g\u00fc\u00e7 kayna\u011f\u0131n\u0131n negatif \u00e7\u0131k\u0131\u015f\u0131n\u0131 topra\u011fa ba\u011flad\u0131. Cevap olduk\u00e7a netti: Bu izole edilmemi\u015f tasar\u0131m topra\u011fa ba\u011flanamaz; toprak ba\u011flant\u0131s\u0131 kesik kalmal\u0131d\u0131r; topraklama gerekiyorsa, izole edilmi\u015f bir tasar\u0131m kullan\u0131n (<a href=\"https:\/\/www.eevblog.com\/forum\/beginners\/grounding-of-non-isolated-power-supply\/\">\u0130zole edilmemi\u015f g\u00fc\u00e7 kayna\u011f\u0131n\u0131n topraklanmas\u0131, EEVblog forumu<\/a>, 2024).<\/p>\n\n<div class=\"rich-callout bd-reveal\">\n <p class=\"rich-callout-title\"><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" 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 1.73-3Z\"\/><path d=\"M12 9v4\"\/><path d=\"M12 17h.01\"\/><\/svg><\/span>\u0130zolasyonsuz bir \u00e7\u0131k\u0131\u015fa asla toprak ba\u011flant\u0131s\u0131 yapmay\u0131n<\/p>\n <p>\u0130zolasyonsuz bir \u00e7\u0131k\u0131\u015f, tasar\u0131m gere\u011fi referans\u0131n\u0131 giri\u015f taraf\u0131yla payla\u015f\u0131r. Bu referans\u0131 koruyucu topra\u011fa zorlamak, tasar\u0131mc\u0131n\u0131n hi\u00e7 planlamad\u0131\u011f\u0131 ikinci bir ak\u0131m yolu ekler. Uygulaman\u0131z topraklanm\u0131\u015f veya topraklanabilir bir \u00e7\u0131k\u0131\u015f gerektiriyorsa, izole bir beslemeden ba\u015flay\u0131n ve topraklama karar\u0131n\u0131 kendiniz verin \u2014 yaln\u0131zca tek bir noktada.<\/p>\n<\/div>\n\n<p>Ayn\u0131 fiziksel durum, iki noktadan topra\u011fa ba\u011flanm\u0131\u015f izole edilmi\u015f g\u00fc\u00e7 kaynaklar\u0131n\u0131 da etkiliyor. National Instruments\u2019\u0131n bir forum ba\u015fl\u0131\u011f\u0131nda, topraklanm\u0131\u015f metal bir standa vidaland\u0131\u011f\u0131 anda g\u00fcr\u00fclt\u00fc alan ve vidas\u0131 s\u00f6k\u00fcld\u00fc\u011f\u00fcnde tekrar g\u00fcr\u00fclt\u00fcs\u00fcz hale gelen bir bas\u0131n\u00e7 sens\u00f6r\u00fc anlat\u0131l\u0131yor (<a href=\"https:\/\/forums.ni.com\/t5\/Multifunction-DAQ\/Pressure-Sensor-Ground-Loop-Problem\/td-p\/1285148\">Bas\u0131n\u00e7 Sens\u00f6r\u00fcnde Toprak D\u00f6ng\u00fcs\u00fc Sorunu, NI Toplulu\u011fu<\/a>, 2010). Panellerin de kendine \u00f6zg\u00fc bir durumu vard\u0131r: EEVblog\u2019daki bir ba\u015fl\u0131kta, analog devrelerdeki \u00e7ok say\u0131da topraklama noktas\u0131n\u0131n, \u201csorun giderme a\u00e7\u0131s\u0131ndan tam bir kabus\u201d olan d\u00f6ng\u00fcler olu\u015fturdu\u011fu konusunda uyar\u0131da bulunulmaktad\u0131r (<a href=\"https:\/\/www.eevblog.com\/forum\/projects\/industrial-control-panel-grounding\/\">End\u00fcstriyel Kontrol Paneli Topraklamas\u0131, EEVblog forumu<\/a>, 2017). Toprak d\u00f6ng\u00fcs\u00fc kapal\u0131 bir yoldur ve kapal\u0131 bir yol da bir antendir. <strong>Ortak bir referans noktas\u0131 ve ikinci bir topraklama noktas\u0131, devreyi kapat\u0131r<\/strong>, ve izolasyon d\u00f6ng\u00fcn\u00fcn olu\u015fmas\u0131n\u0131 tamamen engeller.<\/p>\n\n<p>Kar\u015f\u0131la\u015ft\u0131rma makalelerinden \u201cizole edilmemi\u015f olanlar \u00e7ok daha verimlidir\u201d \u015feklindeki efsaneyi bir kenara b\u0131rak\u0131n: Bu, minik y\u00fck noktas\u0131 d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fcler i\u00e7in ge\u00e7erli olsa da, daha sonra t\u00fcm kategoriye genelleniyor. \u0130zole AC-DC g\u00fc\u00e7 kaynaklar\u0131 y\u00fczde 80\u2019lerin \u00fcst\u00fcne ve 90\u2019lar\u0131n alt\u0131na ula\u015f\u0131r.<\/p>\n\n<h3>Y\u00fczd\u00fcrme bedelsiz de\u011fildir: Y kondansat\u00f6rleri, s\u0131z\u0131nt\u0131 ve EMC<\/h3>\n\n<p>Y\u00fczer \u00e7\u0131k\u0131\u015f, \u015febekeden tamamen kopuk de\u011fildir: transformat\u00f6r sarg\u0131lar\u0131 parazitik kapasitansa sahiptir; bu nedenle \u015febekeye ba\u011fl\u0131 yal\u0131t\u0131lm\u0131\u015f g\u00fc\u00e7 kaynaklar\u0131, ikincil sarg\u0131dan koruyucu topra\u011fa Y-kapasit\u00f6rleri ta\u015f\u0131r. Bunlar EMC tasar\u0131m\u0131n\u0131n bir par\u00e7as\u0131d\u0131r, bir kusur de\u011fildir ve y\u00fczer \u00e7\u0131k\u0131\u015f\u0131n topra\u011fa kar\u015f\u0131 h\u00e2l\u00e2 k\u00fc\u00e7\u00fck, y\u00fcksek empedansl\u0131 bir ba\u011flant\u0131s\u0131 vard\u0131r.<\/p>\n\n<p>Bu, iletilen emisyon testleri a\u00e7\u0131s\u0131ndan \u00f6nemlidir. Bir m\u00fchendis, bir y\u00fczer cihaz\u0131 test ederken, \u00e7\u0131k\u0131\u015f\u0131n negatif ucu ile koruyucu topraklama aras\u0131nda 1 k\u03a9 ile 1 M\u03a9 aras\u0131nda bir diren\u00e7 de\u011ferine sahip bir ba\u011flant\u0131 tespit etmi\u015ftir (<a href=\"https:\/\/electronics.stackexchange.com\/questions\/736931\/isolated-vs-non-isolated-power-supplies\">\u0130zole ve izole olmayan g\u00fc\u00e7 kaynaklar\u0131, Electronics StackExchange<\/a>, 2025). Diren\u00e7, Y-kapasit\u00f6r\u00fcn\u00fcn y\u00fck\u00fcn\u00fc bo\u015falt\u0131r ve ortak mod ak\u0131m\u0131na kontroll\u00fc bir yol sa\u011flar: \u00e7\u0131k\u0131\u015f, DC a\u00e7\u0131s\u0131ndan y\u00fczer durumda kal\u0131rken, AC davran\u0131\u015f\u0131 kontrol alt\u0131na al\u0131n\u0131r.<\/p>\n\n<p>Bu s\u0131n\u0131rlama iki y\u00f6nl\u00fcd\u00fcr: \u0130zolasyon, toprak d\u00f6ng\u00fclerini ortadan kald\u0131r\u0131r, ancak t\u00fcm g\u00fcr\u00fclt\u00fcy\u00fc de\u011fil. Kablolama yoluyla 24 V besleme hatt\u0131n\u0131za g\u00fcr\u00fclt\u00fc aktaran bir motor s\u00fcr\u00fcc\u00fcs\u00fc, izolasyonlu bir g\u00fc\u00e7 kayna\u011f\u0131 taraf\u0131ndan engellenmez; \u00e7\u00fcnk\u00fc bu ak\u0131m yolu toprak \u00fczerinden ge\u00e7mez.<\/p>\n\n<div class=\"rich-callout bd-reveal\">\n <p class=\"rich-callout-title\"><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" 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 1.73-3Z\"\/><path d=\"M12 9v4\"\/><path d=\"M12 17h.01\"\/><\/svg><\/span>\u0130zolasyon, toprak d\u00f6ng\u00fclerini ortadan kald\u0131r\u0131r; ancak t\u00fcm g\u00fcr\u00fclt\u00fcy\u00fc ortadan kald\u0131rmaz<\/p>\n <p>G\u00fcr\u00fclt\u00fc, izolasyon d\u00fczeltmesinden sonra da devam ediyorsa, ba\u011flant\u0131 yolu hi\u00e7bir zaman toprak \u00fczerinden ge\u00e7memi\u015ftir. Bir sonraki yolu ara\u015ft\u0131r\u0131n: ortak kablolama, ekranlanmam\u0131\u015f saha kablolar\u0131, ray\u0131n yan\u0131nda bulunan bir s\u00fcr\u00fcc\u00fc. Beslemeyi izole etmek ilk ad\u0131md\u0131r, t\u00fcm prosed\u00fcr\u00fcn tamam\u0131 de\u011fildir.<\/p>\n<\/div>\n\n<h2>24 V Panel Ray\u0131: \u015earj Tutun, Topra\u011fa Ba\u011flay\u0131n veya \u0130kinci Bir Besleme Kayna\u011f\u0131 Ekleyin<\/h2>\n\n<p>\u015eimdi, panel \u00fcreticilerinin ger\u00e7ekten tart\u0131\u015ft\u0131\u011f\u0131 konu \u015fudur: 24 V\u2019luk g\u00fc\u00e7 kayna\u011f\u0131m\u0131n izole edilmi\u015f, serbest bir \u00e7\u0131k\u0131\u015f\u0131 var. DC negatifini (0 V) topra\u011fa ba\u011flamal\u0131 m\u0131y\u0131m, yoksa serbest b\u0131rakmal\u0131 m\u0131y\u0131m? End\u00fcstriyel DIN ray\u0131 g\u00fc\u00e7 kaynaklar\u0131n\u0131n b\u00fcy\u00fck \u00e7o\u011funlu\u011fu, SELV s\u0131n\u0131f\u0131 \u00e7\u0131k\u0131\u015flara sahip izole \u00fcnitelerdir; i\u015fte tam da bu nedenle karar size kalm\u0131\u015ft\u0131r.<\/p>\n\n<h3>Ray\u0131 y\u00fczd\u00fcrme: dijital G\/\u00c7 varsay\u0131lan ayar\u0131<\/h3>\n\n<p>Ray \u00fczerindeki her \u015fey dijitalse \u2014 yani yak\u0131nl\u0131k anahtarlar\u0131, fotoelektrik sens\u00f6rler, solenoid valfler ve r\u00f6le kontaklar\u0131 \u2014 DC negatif ucunu serbest b\u0131rak\u0131n. Serbest b\u0131rakma, 24 V devresini AC ve motor devrelerinden elektriksel olarak ayr\u0131 tutar; i\u015fte bu, para \u00f6dedi\u011finiz izolasyonun amac\u0131d\u0131r. Ray \u00fczerindeki hi\u00e7bir \u015feyin sabit bir gerilim referans\u0131na ihtiyac\u0131 yoktur; bu nedenle topraklama, ikinci bir g\u00fcr\u00fclt\u00fc yolu olu\u015fturmaktan ba\u015fka bir fayda sa\u011flamaz.<\/p>\n\n\n<div class=\"bp-cta-mid bd-reveal\">\n <p class=\"bp-cta-mid-ttl\"><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6.3 20.3a2.4 2.4 0 0 0 3.4 0L12 18l-6-6-2.3 2.3a2.4 2.4 0 0 0 0 3.4Z\"\/><path d=\"m2 22 3-3\"\/><path d=\"M7.5 13.5 10 11\"\/><path d=\"M10.5 16.5 13 14\"\/><path d=\"m18 3-4 4h6l-4 4\"\/><\/svg><\/span>24 V besleme hatt\u0131n\u0131z\u0131n y\u00fczer mi yoksa topraklanm\u0131\u015f m\u0131 olmas\u0131 gerekti\u011finden emin de\u011fil misiniz?<\/p>\n <p class=\"bp-cta-mid-copy\">Bize I\/O listenizi ve panel \u00e7iziminizi g\u00f6nderin; biz de izolasyon s\u0131ralar\u0131 da dahil olmak \u00fczere ihtiyac\u0131n\u0131z olan tedarik miktar\u0131n\u0131 size teyit edelim.<\/p>\n <a class=\"bp-cta-mid-btn\" href=\"https:\/\/www.omch.com\/tr\/contact\/\" target=\"_self\">Panel \u00f6zelliklerime bak<\/a>\n<\/div>\n\n<h3>Bir noktada topraklama: analog sinyallerin ray seviyesine ula\u015ft\u0131\u011f\u0131 anda<\/h3>\n\n<p>Ray, analog giri\u015flere (0-10 V veya 4-20 mA d\u00f6ng\u00fcleri) g\u00fc\u00e7 sa\u011flad\u0131\u011f\u0131 veya uzun kablo hatlar\u0131 \u00fczerinden sens\u00f6rlere ula\u015ft\u0131\u011f\u0131 anda, hesaplama de\u011fi\u015fir. Analog \u00f6l\u00e7\u00fcm, kararl\u0131 bir referans noktas\u0131na ihtiya\u00e7 duyar ve y\u00fczer ray, bu \u00f6l\u00e7\u00fcm\u00fc parazitik ba\u011flant\u0131lara maruz b\u0131rak\u0131r. Topraklama, sinyale besleme kayna\u011f\u0131nda tam olarak tek bir noktada tan\u0131mlanm\u0131\u015f bir s\u0131f\u0131r noktas\u0131 sa\u011flar:<\/p>\n\n<ol>\n<li>Ba\u011flant\u0131y\u0131, PLC\u2019ye veya bir saha cihaz\u0131na de\u011fil, g\u00fc\u00e7 kayna\u011f\u0131n\u0131n 0 V terminaline yap\u0131n.<\/li>\n<li>En az 14 AWG (2,08 mm\u00b2) kal\u0131nl\u0131\u011f\u0131nda, ye\u015fil veya \u00e7\u0131plak bak\u0131rdan yap\u0131lm\u0131\u015f \u00f6zel bir iletken kullan\u0131n.<\/li>\n<li>En k\u0131sa yoldan do\u011frudan panonun topraklama baras\u0131na ba\u011flay\u0131n.<\/li>\n<li>Ayn\u0131 24 V devresine asla ikinci bir toprak ba\u011flant\u0131s\u0131 eklemeyin.<\/li>\n<\/ol>\n\n<p>Ayr\u0131ca, bir PLC g\u00fc\u00e7 fi\u015findeki topraklama terminali, bir \u015fasi g\u00fcvenlik topraklamas\u0131d\u0131r; DC negatif ba\u011flant\u0131s\u0131 de\u011fildir; bu terminal, ray\u0131n\u0131za ba\u011fl\u0131 de\u011fildir.<\/p>\n\n<h3>\u0130kinci bir besleme kayna\u011f\u0131 ekleyin: y\u00fcksek ani ak\u0131m y\u00fckleri ve hassas b\u00f6l\u00fcmler<\/h3>\n\n<p>Baz\u0131 sorunlar asl\u0131nda topraklama sorunlar\u0131 de\u011fildir. Bir valf grubunun ani ak\u0131m y\u00fck\u00fc her devreye girdi\u011finde ray gerilimini d\u00fc\u015f\u00fcr\u00fcyorsa, besleme kayna\u011f\u0131 d\u00fczg\u00fcn \u00e7al\u0131\u015fsa bile PLC\u2019niz rastgele s\u0131f\u0131rlanabilir. \u00c7\u0131k\u0131\u015f korumas\u0131 sistemi de\u011fil, besleme kayna\u011f\u0131n\u0131 korur: B\u00fcy\u00fck bir y\u00fck ray gerilimini ak\u0131m s\u0131n\u0131rlama moduna \u00e7ekti\u011finde, di\u011fer her \u015feyde gerilim d\u00fc\u015f\u00fc\u015f\u00fc ya\u015fan\u0131r. DigiKey saha k\u0131lavuzu tam da bu ayr\u0131m\u0131 vurgular ve ani ak\u0131m y\u00fck\u00fc y\u00fcksek olan y\u00fckler i\u00e7in ba\u011f\u0131ms\u0131z bir besleme kayna\u011f\u0131 \u00f6nerir (<a href=\"https:\/\/forum.digikey.com\/t\/din-rail-industrial-power-supply-defining-characteristics\/64213\">DIN Rayl\u0131 End\u00fcstriyel G\u00fc\u00e7 Kayna\u011f\u0131: Temel \u00d6zellikler, DigiKey Uygulama K\u0131lavuzu<\/a>, 2026); ayn\u0131 mant\u0131k, motorlar veya \u0131s\u0131t\u0131c\u0131larla ayn\u0131 ray\u0131 payla\u015fan hassas \u00f6l\u00e7\u00fcm b\u00f6l\u00fcmleri i\u00e7in de ge\u00e7erlidir. Bu ikinci besleme, bir \u00fcst seviye besleme de\u011fildir; sadece farkl\u0131 bir y\u00fck grubu i\u00e7in ayr\u0131lm\u0131\u015f ba\u015fka bir izole \u00fcnitedir.<\/p>\n\n<div class=\"rich-table-wrap bd-reveal\">\n <p class=\"rich-table-title\">24 V besleme hatt\u0131n\u0131za genel bak\u0131\u015f<\/p>\n <div class=\"table-wrapper\">\n <table class=\"rich-table\">\n <thead>\n <tr><th>Sistem \u00f6zellikleri<\/th><th>Ne yap\u0131lmal\u0131?<\/th><th>S\u0131n\u0131r (bunun art\u0131k ge\u00e7erli olmamas\u0131n\u0131n durumu)<\/th><\/tr>\n <\/thead>\n <tbody>\n <tr><td>Yaln\u0131zca dijital G\/\u00c7 (yak\u0131nl\u0131k sens\u00f6rleri, fotoelektrik sens\u00f6rler, valfler, kuru kontaklar)<\/td><td>DC negatif ucunu serbest b\u0131rak\u0131n<\/td><td>Analog giri\u015fler veya uzun kablo hatlar\u0131 ray\u0131na ba\u011flan\u0131r<\/td><\/tr>\n <tr><td>Ray \u00fczerindeki analog giri\u015fler (0-10 V, 4-20 mA)<\/td><td>Besleme noktas\u0131nda topraklama, tek noktal\u0131<\/td><td>Devrede birden fazla topraklama noktas\u0131 bulunmaktad\u0131r<\/td><\/tr>\n <tr><td>Yak\u0131nlarda VFD\u2019ler veya a\u011f\u0131r makineler<\/td><td>Besleme noktas\u0131nda topraklama, tek noktal\u0131, filtreleme eklenmeli<\/td><td>Ba\u011flant\u0131 yolu kablolama yoluyla yap\u0131l\u0131r, topraklama yoluyla de\u011fil<\/td><\/tr>\n <tr><td>Saha kablolamas\u0131 olduk\u00e7a uzundur (onlarca metre)<\/td><td>Besleme noktas\u0131nda topraklay\u0131n; ekranl\u0131 kablo kullan\u0131n<\/td><td>Kablo ekranlar\u0131 her iki u\u00e7tan da topraklanm\u0131\u015ft\u0131r<\/td><\/tr>\n <tr><td>Ayn\u0131 ray \u00fczerinde bulunan valf grubu veya motorun ba\u015flang\u0131\u00e7 ak\u0131m\u0131<\/td><td>Y\u00fcksek ani ak\u0131m y\u00fcklerini ikinci bir yal\u0131t\u0131lm\u0131\u015f g\u00fc\u00e7 kayna\u011f\u0131na ba\u011flay\u0131n<\/td><td>Y\u00fck ba\u015flang\u0131\u00e7 ak\u0131m\u0131, g\u00fc\u00e7 kayna\u011f\u0131n\u0131n marj\u0131 s\u0131n\u0131rlar\u0131 i\u00e7indedir<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n<\/div>\n\n<h2>Ger\u00e7e\u011fi Sat\u0131n Almak: Bir Kayna\u011f\u0131n Ger\u00e7ekten \u0130zole Oldu\u011funu Nas\u0131l Do\u011frulayabiliriz?<\/h2>\n\n<p>Bir tedarik\u00e7i \u201cizole\u201d dedi\u011finde, \u00fcr\u00fcn\u00fc panele monte etmeden \u00f6nce teknik \u00f6zellik belgesinden bunu do\u011frulay\u0131n. \u00dc\u00e7 kontrol.<\/p>\n\n<p><strong>1. Kontrol: \u0130zolasyon gerilimi sat\u0131r\u0131.<\/strong> kV de\u011ferine sahip \u201cI\/P-O\/P\u201d veya \u201cgiri\u015f-\u00e7\u0131k\u0131\u015f\u201d ibarelerini aray\u0131n. Piyasada yayg\u0131n olarak kullan\u0131lan herhangi bir 75 W DIN ray\u0131 g\u00fc\u00e7 kayna\u011f\u0131n\u0131n teknik \u00f6zellik belgesini a\u00e7\u0131n, <a href=\"https:\/\/www.enocore.com\/mean-well\/ac-dc\/ac-dc-din-rail-power-supply\/ndr-75-series.html\">Mean Well\u2019in NDR-75 modeli<\/a> \u00d6rne\u011fin, \u00fczerinde \u201cI\/P-O\/P: 3 KVAC\u201d yaz\u0131yor. Bu rakam, dayan\u0131m (hipot) de\u011feridir: Yal\u0131t\u0131m, zamanl\u0131 bir \u00fcretim testinde bu gerilime dayan\u0131r, ancak s\u00fcrekli olarak de\u011fil. Yal\u0131t\u0131m sat\u0131r\u0131n\u0131n hi\u00e7 bulunmamas\u0131, planlama amac\u0131yla besleme kayna\u011f\u0131n\u0131n yal\u0131t\u0131ms\u0131z olarak de\u011ferlendirilmesi anlam\u0131na gelir.<\/p>\n\n<p><strong>2. Kontrol: G\u00fcvenlik standard\u0131 ve yal\u0131t\u0131m s\u0131n\u0131f\u0131.<\/strong> Modern g\u00fc\u00e7 kayna\u011f\u0131 g\u00fcvenli\u011fi, yal\u0131t\u0131m\u0131 i\u015flevsel (elektrik \u00e7arpmas\u0131na kar\u015f\u0131 koruma yok), temel (yaln\u0131zca normal kullan\u0131m) ve g\u00fc\u00e7lendirilmi\u015f (tek ar\u0131za korumas\u0131; \u015febeke-\u00e7\u0131k\u0131\u015f bariyerlerinin tasarland\u0131\u011f\u0131 s\u0131n\u0131f) olarak s\u0131n\u0131fland\u0131ran IEC 62368-1 standard\u0131na g\u00f6re i\u015fler. \u0130\u015faretleme blo\u011funda yer alan EN 62368-1 veya UL 508 i\u015fareti, bariyerin ger\u00e7ek bir laboratuvar taraf\u0131ndan sertifikaland\u0131r\u0131ld\u0131\u011f\u0131n\u0131 g\u00f6sterir.<\/p>\n\n<p><strong>3. Kontrol: \u00c7\u0131kt\u0131 referans dili.<\/strong> SELV ve PELV bu kategoride yer al\u0131r. Bir SELV \u00e7\u0131k\u0131\u015f\u0131, tasar\u0131m gere\u011fi topraktan ayr\u0131lm\u0131\u015ft\u0131r ve zorunlu bir koruyucu topraklama ba\u011flant\u0131s\u0131 yoktur: Bu \u00e7\u0131k\u0131\u015f\u0131 y\u00fczer durumda b\u0131rakabilir ya da tek bir noktadan topraklayabilirsiniz. PELV \u00e7\u0131k\u0131\u015f\u0131 ise topraklanm\u0131\u015f bir \u00e7e\u015fittir ve tasar\u0131m gere\u011fi topra\u011fa referansl\u0131d\u0131r: daha iyi EMC performans\u0131 sunar, ancak y\u00fczer ba\u011flant\u0131 se\u00e7ene\u011fi yoktur. IEC 62368-1 standard\u0131nda art\u0131k SELV ve PELV yerine enerji kaynaklar\u0131 (ES1) terimlerinin kullan\u0131ld\u0131\u011f\u0131na dikkat edin; bu nedenle modern teknik \u00f6zellik belgelerinde her iki terim de yer almaktad\u0131r (<a href=\"https:\/\/psu.deltaww.com\/en\/industry-know-how\/what-is-the-difference-between-selv-pelv-and-es1-in-ac-dc-power-supplies\">Delta Electronics\u2019in AC\/DC g\u00fc\u00e7 kaynaklar\u0131ndaki SELV, PELV ve ES1<\/a>). Hangi isimle an\u0131l\u0131rsa an\u0131ls\u0131n, as\u0131l \u00f6nemli olan soru \u015fudur: Bu \u00e7\u0131k\u0131\u015f, tasar\u0131m gere\u011fi serbest mi kalacak, yoksa topraklanm\u0131\u015f m\u0131 olacak?<\/p>\n\n<div class=\"rich-card bd-reveal\">\n <p class=\"rich-card-title\"><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" 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>Sipari\u015f vermeden \u00f6nce veri sayfas\u0131nda \u00fc\u00e7 sat\u0131r\u0131 inceleyin<\/p>\n <ul class=\"rich-list\">\n <li><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><path d=\"m9 11 3 3L22 4\"\/><\/svg><\/span><span>I\/P-O\/P izolasyon gerilimi (3 KVAC gibi bir kV de\u011feri): izolasyon bariyerinin mevcut oldu\u011funu ve \u00fcretim s\u0131ras\u0131nda test edildi\u011fini kan\u0131tlar.<\/span><\/li>\n <li><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><path d=\"m9 11 3 3L22 4\"\/><\/svg><\/span><span>G\u00fcvenlik standard\u0131 ve yal\u0131t\u0131m s\u0131n\u0131f\u0131 (EN 62368-1, g\u00fc\u00e7lendirilmi\u015f): Bu, bir test laboratuvar\u0131n\u0131n bariyeri sertifikaland\u0131rd\u0131\u011f\u0131n\u0131 kan\u0131tlar.<\/span><\/li>\n <li><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><path d=\"m9 11 3 3L22 4\"\/><\/svg><\/span><span>\u00c7\u0131k\u0131\u015f referans gerilimi (SELV y\u00fczer tip mi, yoksa PELV toprakl\u0131 tip mi): Ray\u0131n tasar\u0131m gere\u011fi y\u00fczer mi yoksa toprakl\u0131 m\u0131 oldu\u011funu belirtir.<\/span><\/li>\n <\/ul>\n<\/div>\n\n<p>\u0130zolasyonu \u201ckan\u0131tlamak\u201d i\u00e7in multimetreyle giri\u015f-\u00e7\u0131k\u0131\u015f aras\u0131nda devaml\u0131l\u0131k testi yapmak gibi yayg\u0131n ama i\u015fe yaramayan bir y\u00f6ntem. \u0130zoleli bir g\u00fc\u00e7 kayna\u011f\u0131, tasar\u0131m gere\u011fi bu noktada a\u00e7\u0131k devre olarak okunur; dolay\u0131s\u0131yla bu test hi\u00e7bir \u015fey ifade etmez; as\u0131l kan\u0131t, teknik \u00f6zellik tablosundaki veridir. \u0130zolasyonsuz g\u00fc\u00e7 kaynaklar\u0131n\u0131n h\u00e2l\u00e2 me\u015fru bir kullan\u0131m alan\u0131 vard\u0131r: Giri\u015finiz zaten bir SELV DC veriyolu ise ve y\u00fck noktas\u0131nda k\u00fc\u00e7\u00fck bir reg\u00fcle edilmi\u015f d\u00fc\u015f\u00fcrme gerektiriyorsa, izolasyonsuz bir buck mod\u00fcl\u00fc do\u011fru ve daha ucuz bir ara\u00e7t\u0131r. Bu mod\u00fcl, panel ray\u0131nda de\u011fil, elektronik distrib\u00fct\u00f6r\u00fcn\u00fcn raf\u0131nda bulunur.<\/p>\n\n<h2>Bunun Da\u011f\u0131t\u0131c\u0131lar \u0130\u00e7in Anlam\u0131<\/h2>\n\n<p>E\u011fer g\u00fc\u00e7 kaynaklar\u0131 stokluyor ve sat\u0131yorsan\u0131z, bu makale \u00fc\u00e7 temel operasyonel ger\u00e7e\u011fi \u00f6zetlemektedir.<\/p>\n\n<p>\u00d6ncelikle, \u201cizole\u201d \u00f6zelli\u011fi DIN ray\u0131 g\u00fc\u00e7 kaynaklar\u0131nda bir premium \u00f6zellik de\u011fildir; bu, kategorinin varsay\u0131lan \u00f6zelli\u011fidir. \u201cBu \u00fcr\u00fcn izole mi?\u201d diye soran bir m\u00fc\u015fteri, daha fazla \u00f6deme yapmak i\u00e7in izin istemiyor. Asl\u0131nda iki \u00f6nemli soru soruyor: \u00dcr\u00fcn, sertifikal\u0131 bir izolasyon bariyerine sahip mi (standart ve kV sat\u0131r\u0131n\u0131 kontrol edin)? Ve \u00e7\u0131k\u0131\u015f\u0131, uygulamam\u0131n gerektirdi\u011fi \u015fekilde y\u00fczer veya topraklayabilir miyim (referans metnini kontrol edin)? Her iki soruyu da veri sayfas\u0131ndan otuz saniye i\u00e7inde yan\u0131tlay\u0131n; i\u015fte o zaman yetkinli\u011finizi kan\u0131tlam\u0131\u015f olursunuz.<\/p>\n\n<div class=\"rich-table-wrap bd-reveal\">\n <p class=\"rich-table-title\">Otuz ikinci cevap ka\u011f\u0131d\u0131<\/p>\n <div class=\"table-wrapper\">\n <table class=\"rich-table\">\n <thead>\n <tr><th>M\u00fc\u015fteri sorusu<\/th><th>30 saniyelik cevap<\/th><th>Belirtilmesi gereken veri sayfas\u0131 sat\u0131r\u0131<\/th><\/tr>\n <\/thead>\n <tbody>\n <tr><td>\u201cBu kaynak izole mi?\u201d<\/td><td>Evet, e\u011fer bir I\/P-O\/P kV de\u011feri ve ge\u00e7erli bir g\u00fcvenlik standard\u0131 varsa<\/td><td>\u0130zolasyon gerilimi sat\u0131r\u0131 + standart i\u015faretleme<\/td><\/tr>\n <tr><td>\u201cNegatifi havada as\u0131l\u0131 tutabilir miyim yoksa topra\u011fa ba\u011flayabilir miyim?\u201d<\/td><td>\u0130zole SELV \u00e7\u0131k\u0131\u015f\u0131: Se\u00e7im size kalm\u0131\u015f, yaln\u0131zca tek bir topraklama noktas\u0131<\/td><td>\u00c7\u0131k\u0131\u015f referans\u0131 \/ SELV-PELV dil<\/td><\/tr>\n <tr><td>\u201cNeden yal\u0131t\u0131ms\u0131z olan bu kadar ucuz?\u201d<\/td><td>Farkl\u0131 kategori: kart d\u00fczeyinde y\u00fck noktas\u0131, panel ray\u0131 beslemesi de\u011fil<\/td><td>Topoloji ve giri\u015f taraf\u0131 gerilimi<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n<\/div>\n\n<p>\u0130kincisi, standart \u00fcr\u00fcnleri stoklay\u0131n. 24 V aral\u0131\u011f\u0131ndaki izole DIN ray\u0131 g\u00fc\u00e7 kaynaklar\u0131 en \u00e7ok sat\u0131lan \u00fcr\u00fcn grubudur ve izole LED s\u00fcr\u00fcc\u00fcler de kendi kategorilerinde ayn\u0131 kural\u0131 izler. \u0130zolasyonsuz y\u00fck noktas\u0131 mod\u00fclleri ise elektronik da\u011f\u0131t\u0131m kanal\u0131na aittir: daha d\u00fc\u015f\u00fck fiyatl\u0131, daha yo\u011fun teknik destek gerektiren ve panel \u00fcreticileriyle m\u00fc\u015fteri kitlesi \u00e7ak\u0131\u015fmayan bir segmenttir. \u0130zolasyonsuz bir talep geldi\u011finde, genellikle en yararl\u0131 cevap bu \u00fcr\u00fcn\u00fc tedarik etmek de\u011fil, m\u00fc\u015fterinin giri\u015f voltaj\u0131n\u0131n nereden geldi\u011fini teyit etmek ve onu do\u011fru kanala y\u00f6nlendirmektir.<\/p>\n\n<p>\u00dc\u00e7\u00fcnc\u00fcs\u00fc, vaadin do\u011frulanabilir olmas\u0131n\u0131 sa\u011flay\u0131n. Pazarlama stratejileri nedeniyle \u201cizole\u201d kavram\u0131 geni\u015fletildi\u011finde, m\u00fc\u015fteriye bir teknik \u00f6zellik tablosu sunabilen tedarik\u00e7i, g\u00f6r\u00fc\u015fmenin kontrol\u00fcn\u00fc ele ge\u00e7irir. Fiyat\u0131 belirtmeden \u00f6nce, ilk olarak teknik \u00f6zellik tablosunu sunun.<\/p>\n\n<hr>\n\n<p><em>DIN ray\u0131 tipi bir g\u00fc\u00e7 kayna\u011f\u0131 se\u00e7iyorsan\u0131z ve sat\u0131n alma karar\u0131n\u0131 vermeden \u00f6nce yal\u0131t\u0131m s\u0131ralar\u0131n\u0131 elinizde bulundurmak istiyorsan\u0131z, OMCH\u2019nin <a href=\"https:\/\/www.omch.com\/tr\/product-selection\/\">\u00f6zellik tabanl\u0131 se\u00e7im deste\u011fi<\/a> Sat\u0131\u015f konu\u015fmas\u0131ndan de\u011fil, teknik \u00f6zellik tablosundan ve \u00e7izimden yola \u00e7\u0131kar\u0131z. Uygulama ayr\u0131nt\u0131lar\u0131n\u0131z\u0131 bize g\u00f6nderin; size uygun \u00fcr\u00fcn\u00fc belirleyece\u011fiz ve 30\u2019dan fazla \u00fcr\u00fcn kategorimizden hi\u00e7birinin uygun olmad\u0131\u011f\u0131 durumlarda bunu a\u00e7\u0131k\u00e7a size bildirece\u011fiz.<\/em><\/p>\n\n\n<div class=\"bp-cta-end bd-reveal\">\n <p class=\"bp-cta-end-ttl\"><span class=\"rich-ico\" aria-hidden=\"true\"><svg class=\"ico\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M14.536 21.686a.5.5 0 0 0 .937-.024l6.5-19a.496.496 0 0 0-.635-.635l-19 6.5a.5.5 0 0 0-.024.937l7.93 3.18a2 2 0 0 1 1.112 1.11z\"\/><path d=\"m21.854 2.147-10.94 10.939\"\/><\/svg><\/span>\u0130zoleli mi, izole edilmemi\u015f mi: Sipari\u015f vermeden \u00f6nce bu konuyu netle\u015ftirin.<\/p>\n <p class=\"bp-cta-end-sub\">Kar\u015f\u0131la\u015ft\u0131rd\u0131\u011f\u0131n\u0131z uygulama gerilimini ve y\u00fck listesini bize g\u00f6nderin; teklifimizle birlikte size uygun DIN ray\u0131 g\u00fc\u00e7 kayna\u011f\u0131n\u0131 ve izolasyon \u00f6zelliklerini teyit edece\u011fiz.<\/p>\n <a class=\"bp-cta-end-btn\" href=\"https:\/\/www.omch.com\/tr\/contact\/\" target=\"_self\">Tedarik \u015fartnamenizi g\u00f6nderin<\/a>\n<\/div>\n\n<h2>Kaynak\u00e7a<\/h2>\n<ol class=\"bd-refs\">\n <li><a href=\"https:\/\/psu.deltaww.com\/en\/industry-know-how\/what-is-the-difference-between-selv-pelv-and-es1-in-ac-dc-power-supplies\" target=\"_blank\" rel=\"noopener\">AC\/DC G\u00fc\u00e7 Kaynaklar\u0131nda SELV, PELV ve ES1 \u2014 Delta Electronics<\/a><\/li>\n <li><a href=\"https:\/\/www.enocore.com\/mean-well\/ac-dc\/ac-dc-din-rail-power-supply\/ndr-75-series.html\" target=\"_blank\" rel=\"noopener\">NDR-75 Serisi DIN Ray\u0131 G\u00fc\u00e7 Kayna\u011f\u0131 Teknik \u00d6zellikleri \u2014 MEAN WELL<\/a><\/li>\n <li><a href=\"https:\/\/forum.digikey.com\/t\/din-rail-industrial-power-supply-defining-characteristics\/64213\" target=\"_blank\" rel=\"noopener\">DIN Ray\u0131 End\u00fcstriyel G\u00fc\u00e7 Kayna\u011f\u0131: Temel \u00d6zellikler \u2014 End\u00fcstriyel Otomasyon i\u00e7in DigiKey Saha K\u0131lavuzu<\/a><\/li>\n <li><a href=\"https:\/\/www.eevblog.com\/forum\/beginners\/grounding-of-non-isolated-power-supply\/\" target=\"_blank\" rel=\"noopener\">\u0130zole edilmemi\u015f g\u00fc\u00e7 kayna\u011f\u0131n\u0131n topraklanmas\u0131 \u2014 EEVblog forumu<\/a><\/li>\n <li><a href=\"https:\/\/www.eevblog.com\/forum\/projects\/industrial-control-panel-grounding\/\" target=\"_blank\" rel=\"noopener\">End\u00fcstriyel Kontrol Paneli Topraklamas\u0131 \u2014 EEVblog forumu<\/a><\/li>\n <li><a href=\"https:\/\/forums.ni.com\/t5\/Multifunction-DAQ\/Pressure-Sensor-Ground-Loop-Problem\/td-p\/1285148\" target=\"_blank\" rel=\"noopener\">Bas\u0131n\u00e7 Sens\u00f6r\u00fcnde Toprak D\u00f6ng\u00fcs\u00fc Sorunu \u2014 NI Toplulu\u011fu<\/a><\/li>\n <li><a href=\"https:\/\/www.reddit.com\/r\/PLC\/comments\/17z7ww3\/ground_as_source_of_jitter\/\" target=\"_blank\" rel=\"noopener\">Jitter kayna\u011f\u0131 olarak zemin \u2014 r\/PLC<\/a><\/li>\n <li><a href=\"https:\/\/electronics.stackexchange.com\/questions\/736931\/isolated-vs-non-isolated-power-supplies\" target=\"_blank\" rel=\"noopener\">\u0130zole ve izole olmayan g\u00fc\u00e7 kaynaklar\u0131 \u2014 Electronics StackExchange<\/a><\/li>\n <li><a href=\"https:\/\/www.omch.com\/tr\/product-selection\/\" target=\"_blank\" rel=\"noopener\">\u00dcr\u00fcn Se\u00e7imi \u2014 OMCH<\/a><\/li>\n <li><a href=\"https:\/\/www.omch.com\/tr\/switch-mode-power-supply\/\" target=\"_blank\" rel=\"noopener\">Anahtarlamal\u0131 G\u00fc\u00e7 Kaynaklar\u0131 \u2014 OMCH<\/a><\/li>\n <li><a href=\"https:\/\/www.omch.com\/tr\/\" target=\"_blank\" rel=\"noopener\">OMCH \u2014 End\u00fcstriyel Otomasyon Bile\u015fenleri<\/a><\/li>\n<\/ol>\n\n<\/article>\n<\/div>\n\n<\/body>\n<\/html>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u0130zole Edilmi\u015f ve \u0130zole Edilmemi\u015f G\u00fc\u00e7 Kaynaklar\u0131: Panonuzun \u0130\u00e7inde Asl\u0131nda Neler De\u011fi\u015fir? Son zamanlarda \u201cizole edilmi\u015f ve izole edilmemi\u015f g\u00fc\u00e7 kayna\u011f\u0131\u201d aramas\u0131 yapt\u0131ysan\u0131z, kafa kar\u0131\u015ft\u0131r\u0131c\u0131 k\u0131sm\u0131 biliyorsunuzdur: sonu\u00e7lar\u0131n yar\u0131s\u0131 gitar pedal\u0131 g\u00fc\u00e7 adapt\u00f6rlerini, di\u011fer yar\u0131s\u0131 ise havac\u0131l\u0131k ve uzay sekt\u00f6r\u00fcne ait teknik \u00f6zellik belgelerini i\u00e7eriyor. Hi\u00e7biri, sens\u00f6rleri \u00e7al\u0131\u015ft\u0131ran 24 V\u2019luk g\u00fc\u00e7 kaynaklar\u0131 i\u00e7in bu terimin ne anlama geldi\u011fini a\u00e7\u0131klam\u0131yor, [\u2026]<\/p>","protected":false},"author":4,"featured_media":12276,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Isolated vs. Non-Isolated Power Supplies: Key Differences","_seopress_titles_desc":"Compare isolated and non-isolated power supplies by safety, ground loops, leakage, EMC and 24 V panel applications.","_seopress_robots_index":"","footnotes":""},"categories":[79],"tags":[],"class_list":["post-12268","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mmlblog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/comments?post=12268"}],"version-history":[{"count":3,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12268\/revisions"}],"predecessor-version":[{"id":12279,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12268\/revisions\/12279"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/media\/12276"}],"wp:attachment":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/media?parent=12268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/categories?post=12268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/tags?post=12268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}