{"id":12178,"date":"2026-09-07T03:22:21","date_gmt":"2026-09-07T03:22:21","guid":{"rendered":"https:\/\/www.omch.com\/?p=12178"},"modified":"2026-10-09T02:53:16","modified_gmt":"2026-10-09T02:53:16","slug":"npn-vs-pnp-sensor","status":"publish","type":"post","link":"https:\/\/www.omch.com\/tr\/npn-vs-pnp-sensor\/","title":{"rendered":"NPN ve PNP Sens\u00f6r \u00c7\u0131k\u0131\u015flar\u0131: Asl\u0131nda Hangisine \u0130htiyac\u0131n\u0131z Var?"},"content":{"rendered":"<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"utf-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\n<title>NPN ve PNP Sens\u00f6r \u00c7\u0131k\u0131\u015flar\u0131: Asl\u0131nda Hangisine \u0130htiyac\u0131n\u0131z Var?<\/title>\n<\/head>\n<body>\n<!-- \u2193\u2193\u2193 The deployable fragment begins here. \u2193\u2193\u2193 -->\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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} }\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, .bd-post .bp-3-pn, .bd-post .bp-2-fault { transition: transform .2s ease-out, box-shadow .2s ease-out; }\n  .bd-post .rich-card:hover, .bd-post .rich-callout:hover, .bd-post .bp-3-pn:hover, .bd-post .bp-2-fault: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  .bd-post .bp-1-title { font-size: 20px; }\n  .bd-post .bp-3-grid { grid-template-columns: 1fr; }\n  .bd-post .bp-3-cell + .bp-3-cell { border-left: 0; border-top: 1px solid var(--divider); padding-left: 0; padding-top: 14px; }\n  .bd-post .bp-2-grid { grid-template-columns: 1fr; }\n  .bd-post .bp-2-cell + .bp-2-cell { border-left: 0; border-top: 1px solid var(--divider); padding-left: 0; padding-top: 14px; }\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, #6E6E6E); margin-bottom: 10px; overflow-wrap: anywhere; }\n.bd-post .bd-refs li::marker { color: var(--accent-deep, #2A76B4); }\n.bd-post .bd-refs li a { color: var(--accent-deep, #2A76B4); 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, #000000); text-decoration-thickness: 2px; }\n<\/style>\n<article class=\"bd-post-article\">\n\n<p>Yedek sens\u00f6r tezgah\u0131n\u0131z\u0131n \u00fczerinde. Ayn\u0131 g\u00f6vde, ayn\u0131 alg\u0131lama mesafesi, ayn\u0131 \u00fc\u00e7 kablo \u2013 kahverengi, mavi, siyah \u2013 ama makine yine de onu alg\u0131lam\u0131yor. Sipari\u015f g\u00f6r\u00fc\u015fmesi s\u0131ras\u0131nda bir soru atlanm\u0131\u015f olmal\u0131: <em>NPN mi, PNP mi?<\/em><\/p>\n\n<p>Bu, end\u00fcstriyel alg\u0131lama alan\u0131nda yap\u0131lan en ucuz hatad\u0131r ve maliyeti sens\u00f6r\u00fcn kendisinden daha y\u00fcksektir. Yanl\u0131\u015f \u00e7\u0131k\u0131\u015f t\u00fcr\u00fc, sinyalin olmamas\u0131, kart\u0131n yerinin de\u011fi\u015ftirilmesi, yeniden sipari\u015f verilmesi ve e\u011fer kimse bunu zaman\u0131nda fark etmezse, s\u00fcrecin olabilecek en k\u00f6t\u00fc \u015fekilde ba\u015far\u0131s\u0131z olmas\u0131 anlam\u0131na gelir. Bu k\u0131lavuz, fiilen yapaca\u011f\u0131n\u0131z \u00fc\u00e7 konuyu ele almaktad\u0131r. <strong>Belirlemek<\/strong> kar\u015f\u0131n\u0131zda hangi \u00e7\u0131kt\u0131 t\u00fcr\u00fc bulunuyor, <strong>se\u00e7<\/strong> makinenizin ihtiya\u00e7 duydu\u011fu model ve <strong>belirtin<\/strong> B\u00f6ylece bir sonraki sipari\u015f ilk seferinde do\u011fru bir \u015fekilde gelsin.<\/p>\n\n<h2>NPN ve PNP Sens\u00f6r \u00c7\u0131k\u0131\u015flar\u0131 Nedir? Devre A\u00e7\u0131s\u0131ndan Bir Bak\u0131\u015f<\/h2>\n\n<p>Bir an i\u00e7in transist\u00f6r\u00fcn fiziksel \u00f6zelliklerini bir kenara b\u0131rakal\u0131m. 3 telli bir DC sens\u00f6r\u00fcn i\u00e7inde, bir transist\u00f6r \u015fu i\u015flevi g\u00f6r\u00fcr: <strong>anahtar<\/strong>. NPN\/PNP konusunun \u00f6z\u00fc \u015fudur: <em>Anahtar devrenin hangi taraf\u0131nda bulunuyor?<\/em><\/p>\n\n<ul>\n<li>A <strong>PNP<\/strong> sens\u00f6r, anahtar\u0131 <strong>y\u00fcksek taraf<\/strong>: +24 V besleme kayna\u011f\u0131 ile siyah \u00e7\u0131k\u0131\u015f kablosu aras\u0131nda. \u0130letken hale geldi\u011finde, +24 V gerilimini siyah kablodan d\u0131\u015far\u0131 iter. Ak\u0131m akar <em>d\u0131\u015far\u0131<\/em> sens\u00f6r\u00fcn.<\/li>\n<li>Bir <strong>NPN<\/strong> sens\u00f6r, anahtar\u0131 <strong>alt taraf<\/strong>: siyah \u00e7\u0131k\u0131\u015f kablosu ile 0 V aras\u0131nda. \u0130letkenlik g\u00f6sterdi\u011finde, siyah kabloyu 0 V seviyesine \u00e7eker. Ak\u0131m akar <em>i\u00e7ine<\/em> sens\u00f6r.<\/li>\n<\/ul>\n\n<p>Y\u00fck (bir PLC giri\u015fi, bir r\u00f6le bobini, bir say\u0131c\u0131) her zaman anahtar\u0131n kar\u015f\u0131 taraf\u0131nda yer al\u0131r. Bu nedenle bir PNP sens\u00f6r\u00fc \u201c24 V \u00e7\u0131k\u0131\u015f verir\u201d ve bir NPN sens\u00f6r\u00fc \u201c0 V \u00e7\u0131k\u0131\u015f verir\u201d: her biri, \u00e7\u0131k\u0131\u015f\u0131n\u0131 basit\u00e7e anahtar\u0131n\u0131n temas etti\u011fi raya ba\u011flar.<\/p>\n\n<!-- BP-1 -->\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\"><circle cx=\"15\" cy=\"12\" r=\"3\"\/><rect width=\"20\" height=\"14\" x=\"2\" y=\"5\" rx=\"7\"\/><\/svg>\n  <\/div>\n  <div class=\"bp-1-body\">\n    <p class=\"bp-1-title\">T\u00fcm NPN\/PNP sorular\u0131n\u0131 a\u00e7\u0131klayan tek bir c\u00fcmle<\/p>\n    <p class=\"bp-1-lines\">PNP, devrenin pozitif taraf\u0131n\u0131 kontrol eder. NPN ise negatif taraf\u0131n\u0131 kontrol eder. \u00d6l\u00e7\u00fcm, ar\u0131zalar ve sat\u0131n alma i\u015flemleri, anahtar\u0131n konumuna ba\u011fl\u0131 olarak \u015fekillenir.<\/p>\n  <\/div>\n<\/div>\n\n<p>Bu seviyede bilmeniz gereken tek \u015fey \u00fc\u00e7 kablo: <strong>kahverengi = +24 V DC, mavi = 0 V, siyah = anahtarlamal\u0131 \u00e7\u0131k\u0131\u015f<\/strong>. Devam etmeden \u00f6nce belirtilmesi gereken \u00f6nemli bir s\u0131n\u0131rlama: Bu NPN\/PNP meselesi, yaln\u0131zca DC sens\u00f6rlerdeki kat\u0131 hal \u00e7\u0131k\u0131\u015flar\u0131 i\u00e7in ge\u00e7erlidir. \u0130ki telli AC sens\u00f6rler ve mekanik kontak anahtarlar\u0131 (s\u0131n\u0131r anahtarlar\u0131, mikro anahtarlar) \u00e7\u0131k\u0131\u015f transist\u00f6r\u00fc t\u00fcrlerine sahip de\u011fildir. Anahtar, anahtard\u0131r ve \u201cNPN s\u0131n\u0131r anahtar\u0131\u201d gibi bir ifadeyi asla kullanman\u0131z gerekmeyecektir.<\/p>\n\n<!-- Video: PNP vs. NPN fundamentals -->\n<div style=\"margin:32px 0; padding:20px; background:#EAF3FB; border:1px solid #D3D3D3; border-radius:12px;\">\n  <p style=\"margin:0 0 12px; font-family:'Roboto',sans-serif; font-size:18px; font-weight:700; line-height:1.35; color:#0D3972;\">\n    \u0130zleyin: PNP ve NPN Sens\u00f6r \u00c7\u0131k\u0131\u015flar\u0131n\u0131n A\u00e7\u0131klamas\u0131\n  <\/p>\n\n  <div style=\"position:relative; width:100%; aspect-ratio:16 \/ 9; overflow:hidden; border-radius:8px; background:#000;\">\n    <iframe\n      src=\"https:\/\/www.youtube-nocookie.com\/embed\/uTC_ZsZu84k?rel=0\"\n      title=\"PNP ve NPN: Aralar\u0131ndaki Fark Nedir?\"\n      loading=\"lazy\"\n      style=\"position:absolute; inset:0; width:100%; height:100%; border:0;\"\n      allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\"\n      referrerpolicy=\"strict-origin-when-cross-origin\"\n      allowfullscreen>\n    <\/iframe>\n  <\/div>\n\n  <p style=\"margin:12px 0 0; font-size:14px; line-height:1.5; color:#6E6E6E;\">\n    Kaynak (PNP) ve emici (NPN) sens\u00f6r \u00e7\u0131k\u0131\u015flar\u0131na ili\u015fkin k\u0131sa ve g\u00f6rsel bir a\u00e7\u0131klama.\n  <\/p>\n<\/div>\n\n<h2>Tam \u00c7\u0131k\u0131\u015f Tipi Spektrum: PNP, NPN, Push-Pull ve 4-Tel<\/h2>\n\n<p>NPN ve PNP birbiriyle rekabet eden iki grup de\u011fildir; bunlar, \u00e7\u0131k\u0131\u015f topolojileri yelpazesindeki en yayg\u0131n iki de\u011ferdir. \u0130\u015fte bu yelpazenin tamam\u0131. Bu sat\u0131rlardan biri, insanlara pek \u00e7ok s\u0131k\u0131nt\u0131dan kurtar\u0131yor:<\/p>\n\n<div class=\"rich-table-wrap bd-reveal\">\n  <p class=\"rich-table-title\">End\u00fcstriyel DC sens\u00f6r \u00e7\u0131k\u0131\u015f topolojileri<\/p>\n  <div class=\"table-wrapper\">\n    <table class=\"rich-table\">\n      <thead>\n        <tr><th>\u00c7\u0131k\u0131\u015f tipi<\/th><th>Tetiklendi\u011finde, siyah kablo<\/th><th>\u015eunlarla uyumludur<\/th><th>Tipik olarak<\/th><\/tr>\n      <\/thead>\n      <tbody>\n        <tr><td>PNP (kaynak, y\u00fcksek taraf anahtar\u0131)<\/td><td>Y\u00fcke +24 V g\u00f6nderir<\/td><td>Al\u00e7alt\u0131c\u0131 giri\u015f (giri\u015f kart\u0131 0 V\u2019da ortak)<\/td><td>ABD ve AB genelinde yeni in\u015faat projeleri; olumlu mant\u0131k<\/td><\/tr>\n        <tr><td>NPN (batma tipi, alt taraf anahtar\u0131)<\/td><td>Y\u00fck\u00fc 0 V\u2019a indirir<\/td><td>Giri\u015f kayna\u011f\u0131 (giri\u015f kart\u0131 ortak noktas\u0131 +24 V)<\/td><td>Asya ve Japonya\u2019daki eski model makinelerde \u00e7ok geni\u015f bir kullan\u0131c\u0131 taban\u0131<\/td><\/tr>\n        <tr><td>\u0130tme-\u00e7ekme<\/td><td>24 V ile 0 V aras\u0131nda de\u011fi\u015fir; kapal\u0131yken hi\u00e7bir zaman a\u00e7\u0131k devre kalmaz<\/td><td>Her iki giri\u015f kart\u0131 da<\/td><td>Enkoderler gibi y\u00fcksek h\u0131zl\u0131 \u00e7\u0131k\u0131\u015flar<\/td><\/tr>\n        <tr><td>4 telli \u00e7ift \u00e7\u0131k\u0131\u015f<\/td><td>Bir adet PNP kablosu art\u0131 bir adet NPN kablosu<\/td><td>Kart\u0131n\u0131za en uygun olan\u0131 se\u00e7in<\/td><td>Nadir g\u00f6r\u00fclen bir durum; tek bir sens\u00f6r her iki kart t\u00fcr\u00fcn\u00fc de destekliyor<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/div>\n\n<p>Ortadaki s\u00fctuna dikkat edin: En s\u0131k kullan\u0131lan iki terim (kaynak \/ al\u0131c\u0131) \u015funu tan\u0131mlamaktad\u0131r: <em>sens\u00f6r\u00fcn<\/em> davran\u0131\u015f; i\u015fte tam da bu noktada insanlar kafas\u0131 kar\u0131\u015f\u0131yor. Giri\u015f kart\u0131 taraf\u0131ndan bak\u0131ld\u0131\u011f\u0131nda ayn\u0131 kelimeler tersine d\u00f6n\u00fcyor. Bir PNP (kaynakl\u0131) sens\u00f6r, bir <strong>batma<\/strong> giri\u015f kart\u0131: Bu kart\u0131n g\u00f6revi, ak\u0131m\u0131n kendisine akmas\u0131n\u0131 sa\u011flamakt\u0131r. Bir NPN (ak\u0131m \u00e7ekici) sens\u00f6r, bir <strong>tedarik<\/strong> Sens\u00f6r\u00fcn anahtarlama i\u015flemini sa\u011flayan kart. Sens\u00f6r ve kart her zaman birbirlerinin ayna g\u00f6r\u00fcnt\u00fcs\u00fc gibidir. Bir teknik \u00f6zellik belgesinde \u201cPNP giri\u015fi\u201d ifadesi ge\u00e7iyorsa, bunu \u201cPNP sens\u00f6rleri i\u00e7in giri\u015f\u201d olarak yorumlay\u0131n ve ortak terminali kontrol edin; \u00e7\u00fcnk\u00fc terminal size ger\u00e7e\u011fi g\u00f6sterir.<\/p>\n\n<p>Push-pull ve 4-telli \u00e7\u0131k\u0131\u015flar, tam da birinin bu aynadan b\u0131km\u0131\u015f olmas\u0131 nedeniyle ortaya \u00e7\u0131km\u0131\u015ft\u0131r. Push-pull \u00e7\u0131k\u0131\u015f\u0131, hatt\u0131 aktif olarak y\u00fcksek veya d\u00fc\u015f\u00fck seviyeye getirir; dolay\u0131s\u0131yla her iki giri\u015f kart\u0131yla da \u00e7al\u0131\u015f\u0131r; 4-telli sens\u00f6rler ise iki \u00e7\u0131k\u0131\u015f transist\u00f6r\u00fc bar\u0131nd\u0131r\u0131r ve her iki sinyali de ayn\u0131 anda size iletir. Bunlar istisnad\u0131r, kural de\u011fildir. Kural \u015fudur: <strong>\u00c7\u0131k\u0131\u015f t\u00fcr\u00fc, ad\u0131n\u0131 sizin belirlemeniz gereken bir parametredir; sens\u00f6r\u00fcn kendili\u011finden sa\u011flayaca\u011f\u0131 bir ayr\u0131nt\u0131 de\u011fildir.<\/strong><\/p>\n\n<h2>Bir Sens\u00f6r\u00fcn NPN mi PNP mi Oldu\u011funu Nas\u0131l Kontrol Edilir?<\/h2>\n\n<p>\u00c7al\u0131\u015f\u0131r durumdaki bir makinedeki sens\u00f6r\u00fc de\u011fi\u015ftiriyorsan\u0131z (sahada en s\u0131k kar\u015f\u0131la\u015f\u0131lan durum budur), \u00e7\u0131k\u0131\u015f t\u00fcr\u00fcn\u00fc tercihinize g\u00f6re se\u00e7mezsiniz. Siz <em>makineyi okumak<\/em>. \u0130ki \u00e7ekle i\u015f hallolur, bu s\u0131rayla.<\/p>\n\n<h3>\u00d6nce giri\u015f kart\u0131n\u0131 kontrol edin, sens\u00f6r\u00fc de\u011fil<\/h3>\n\n<p>Giri\u015f kart\u0131n\u0131n <strong>ortak terminal<\/strong> i\u015fte ger\u00e7ek durum budur. Sens\u00f6r kablosunun ba\u011fland\u0131\u011f\u0131 kart\u0131 bulun ve \u015fu soruyu sorun: <em>Ortak terminal +24 V\u2019ye mi yoksa 0 V\u2019ye mi ba\u011fl\u0131d\u0131r?<\/em><\/p>\n\n<ul>\n<li>\"Common\" ile ili\u015fkili <strong>0 V<\/strong> \u2192 kart \u015fudur: <strong>batma giri\u015fi<\/strong> \u2192 \u015funu istiyor: <strong>PNP<\/strong> sens\u00f6r (sens\u00f6r, kart\u0131n optoizolat\u00f6r\u00fcn\u00fcn yanmas\u0131 i\u00e7in gereken 24 V\u2019luk gerilimi sa\u011flar).<\/li>\n<li>\"Common\" ile ili\u015fkili <strong>+24 V<\/strong> \u2192 kart \u015fudur: <strong>kaynak bulma<\/strong> \u2192 \u015funu istiyor: <strong>NPN<\/strong> sens\u00f6r (sens\u00f6r, 0 V\u2019a giden yolu tamamlar).<\/li>\n<\/ul>\n\n<p>Bunu tahmin etmeye gerek kalmadan g\u00f6rebilece\u011finiz \u00fc\u00e7 yer vard\u0131r. Kart\u0131n \u00fczerinde bas\u0131l\u0131 olan kablo \u015femas\u0131n\u0131, terminal \u015feridi etiketlerini veya PLC k\u0131lavuzundaki G\/\u00c7 kablolama b\u00f6l\u00fcm\u00fcn\u00fc kontrol edin. Ortak s\u0131raya genellikle \u201cCOM\u201d yaz\u0131s\u0131 ve bunun ba\u011fland\u0131\u011f\u0131 ray\u0131n ad\u0131 bas\u0131lm\u0131\u015ft\u0131r. Bu \u00fc\u00e7 yerden herhangi birine on saniye ay\u0131rmak, sens\u00f6r taraf\u0131nda yap\u0131lacak her t\u00fcrl\u00fc tahminden daha iyidir: sens\u00f6r, kart\u0131n ne bekledi\u011fini size s\u00f6yleyemez.<\/p>\n\n<h3>\u00d6l\u00e7\u00fcm testi: \u00c7\u0131k\u0131\u015f hangi raya do\u011fru \u00e7ekiyor?<\/h3>\n\n<p>Etiket yok, \u015fema yok, kullan\u0131m k\u0131lavuzu yok. Sorun de\u011fil. Sens\u00f6re g\u00fc\u00e7 verin (kahverengi kabloyu +24 V\u2019a, mavi kabloyu 0 V\u2019a ba\u011flay\u0131n) ve multimetreyi DC volt ayar\u0131na al\u0131n. \u0130\u015fin p\u00fcf noktas\u0131 \u015fudur: <strong>referans noktas\u0131<\/strong>:<\/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\"><circle cx=\"6\" cy=\"19\" r=\"3\"\/><path d=\"M9 19h8.5a3.5 3.5 0 0 0 0-7h-11a3.5 3.5 0 0 1 0-7H15\"\/><circle cx=\"18\" cy=\"5\" r=\"3\"\/><\/svg><\/span>Multimetre ile sens\u00f6r \u00e7\u0131k\u0131\u015f t\u00fcr\u00fcn\u00fcn belirlenmesi<\/p>\n  <ol class=\"rich-steps\">\n    <li><span class=\"chip\">1<\/span><span>Sens\u00f6re g\u00fc\u00e7 verin (kahverengi +24 V, mavi 0 V).<\/span><\/li>\n    <li><span class=\"chip\">2<\/span><span>\u00d6l\u00e7\u00fcm cihaz\u0131n\u0131n siyah ucunu 0 V\u2019a, k\u0131rm\u0131z\u0131 ucunu siyah \u00e7\u0131k\u0131\u015f kablosuna ba\u011flay\u0131n ve sens\u00f6r\u00fc tetikleyin. Okunan de\u011fer \u2248 besleme gerilimine (\u00f6rn. 23\u201324 V) s\u0131\u00e7rarsa, bu bir PNP sens\u00f6r\u00fcd\u00fcr.<\/span><\/li>\n    <li><span class=\"chip\">3<\/span><span>\u00d6l\u00e7\u00fcm cihaz\u0131n\u0131n siyah ucunu +24 V\u2019a getirin, k\u0131rm\u0131z\u0131 ucu \u00e7\u0131k\u0131\u015f kablosunda b\u0131rak\u0131n ve tekrar tetikleyin. E\u011fer okunan de\u011fer \u015fimdi 0 V\u2019a yak\u0131n bir seviyeye d\u00fc\u015ferse (\u00e7\u0131k\u0131\u015f 0 V\u2019a do\u011fru \u00e7ekilirse), bu NPN\u2019dir.<\/span><\/li>\n    <li><span class=\"chip\">4<\/span><span>\u0130ki referanstan sadece birindeki de\u011fer, tipini belirler; her ikisinde de bir de\u011fer olmas\u0131 genellikle itme-\u00e7ekme veya 4 telli \u00e7\u0131k\u0131\u015f anlam\u0131na gelir. Bunun yerine kablo renklerini kontrol edin.<\/span><\/li>\n  <\/ol>\n<\/div>\n\n<h3>NPN sens\u00f6r\u00fc neden \u201c5 V\u201d de\u011ferini g\u00f6sterir (ve \u00f6l\u00e7\u00fcm cihaz\u0131 olmadan nas\u0131l test edilir)<\/h3>\n\n<p>Neden referans de\u011fi\u015ftirildi? \u00c7\u00fcnk\u00fc bir NPN sens\u00f6r\u00fcn\u00fcn anahtar\u0131 a\u00e7\u0131ld\u0131\u011f\u0131nda, \u015fu \u015fekilde davran\u0131r: <strong>de\u011fil<\/strong> 0 V \u00e7\u0131k\u0131\u015f verir. \u00c7\u0131k\u0131\u015f kablosu basit\u00e7e s\u00f6k\u00fcl\u00fcr. Bu <strong>y\u00fczer<\/strong>. Ayr\u0131ca, 0 V\u2019a kar\u015f\u0131 \u00f6l\u00e7\u00fclen serbest bir kablo, i\u00e7ine s\u0131zan her t\u00fcrl\u00fc gerilimi g\u00f6sterecektir: 3,3 V, 5 V ya da yava\u015f\u00e7a de\u011fi\u015fen birka\u00e7 volt. Bu hayali \u00f6l\u00e7\u00fcm bir ar\u0131za de\u011fildir ve sens\u00f6r\u00fcn bozuklu\u011fundan kaynaklanmaz. Bu, a\u00e7\u0131k bir anahtard\u0131r.<\/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>Bir NPN sens\u00f6r\u00fcnde topra\u011fa kar\u015f\u0131 5 V de\u011ferinin okunmas\u0131 bir ar\u0131za de\u011fildir<\/p>\n  <p>Bir NPN \u00e7\u0131k\u0131\u015f\u0131 kapal\u0131yken a\u00e7\u0131k devre durumundad\u0131r: bu, ar\u0131zal\u0131 bir anahtar de\u011fil, a\u00e7\u0131k bir anahtard\u0131r. Bir NPN sens\u00f6r\u00fc i\u00e7in do\u011fru referans gerilimi +24 V\u2019tur: sens\u00f6r tetiklendi\u011finde, kablo bu referans gerilimine g\u00f6re 0 V\u2019a yak\u0131n bir de\u011fer g\u00f6sterir. Yanl\u0131\u015f referans gerilimine g\u00f6re \u00f6l\u00e7\u00fcm yaparsan\u0131z, b\u00fct\u00fcn \u00f6\u011fleden sonra hayali bir gerilimin pe\u015finde ko\u015fars\u0131n\u0131z.<\/p>\n<\/div>\n\n<p>Bu nedenle NPN sens\u00f6rleri \u00f6l\u00e7\u00fcl\u00fcr <em>+24 V\u2019ye kar\u015f\u0131<\/em>: Tetiklendi\u011finde, kablo o ray voltaj\u0131na g\u00f6re 0 V\u2019ye yak\u0131n bir de\u011fer g\u00f6sterir; serbest b\u0131rak\u0131ld\u0131\u011f\u0131nda ise tam ray voltaj\u0131n\u0131 g\u00f6sterir. PNP sens\u00f6rleri 0 V\u2019ye g\u00f6re \u00f6l\u00e7\u00fcl\u00fcr; bu durumda, ar\u0131zas\u0131z bir a\u00e7\u0131k \u00e7\u0131k\u0131\u015f hi\u00e7 de\u011fer g\u00f6stermez.<\/p>\n\n<p>Elinizde multimetre yok mu? Bir test lambas\u0131 veya k\u00fc\u00e7\u00fck bir DC r\u00f6le bobini de ayn\u0131 i\u015flevi g\u00f6r\u00fcr. Bunu \u00e7\u0131k\u0131\u015f kablosu ile \u015f\u00fcphelendi\u011finiz ray aras\u0131na ba\u011flay\u0131n ve sens\u00f6r\u00fc tetikleyin. Enerji alan bile\u015fen, anahtar\u0131n hangi ray aras\u0131nda devreyi kapatt\u0131\u011f\u0131n\u0131 g\u00f6sterir. Okunan de\u011fere g\u00fcvenmeden \u00f6nce dikkat etmeniz gereken bir nokta var: \u00c7\u0131k\u0131\u015f transist\u00f6r\u00fc yanm\u0131\u015f bir sens\u00f6r, her iki referansta da \u201cher zaman a\u00e7\u0131k\u201d olarak okunabilir. Yepyeni bir sens\u00f6r bu \u015fekilde ar\u0131za g\u00f6steriyorsa, y\u00f6nteminizden \u015f\u00fcphe etmeden \u00f6nce sens\u00f6r\u00fcn kendisinden \u015f\u00fcphelenin.<\/p>\n\n<h2>NPN ve PNP: Asl\u0131nda Hangisine \u0130htiyac\u0131n\u0131z Var?<\/h2>\n\n<p>Art\u0131k elinizde ne oldu\u011funu biliyorsunuz. Bundan sonraki soru ise hangisinin sizin... <em>ba\u015fvuru<\/em> ihtiya\u00e7lara g\u00f6re de\u011fi\u015fir ve d\u00fcr\u00fcst\u00e7e s\u00f6ylemek gerekirse, \u201changisi daha iyi?\u201d sorusu yanl\u0131\u015f bir sorudur. As\u0131l \u00f6nemli olan uyumluluktur ve bu uyumluluk, bir \u015fey in\u015fa ediyor musunuz yoksa onar\u0131yor musunuz diye bak\u0131ld\u0131\u011f\u0131nda iki farkl\u0131 \u015fekil al\u0131r.<\/p>\n\n<p><strong>Yeni bir ba\u011flant\u0131 yap\u0131yorsan\u0131z: karar giri\u015f kart\u0131na aittir.<\/strong> Yeni panel, yeni makine, yeni hat: kart\u0131 okuyun. Batma tipi giri\u015f kart\u0131 (ortak u\u00e7 0 V\u2019da) PNP sens\u00f6rle \u00e7al\u0131\u015f\u0131r; kaynak tipi kart (ortak u\u00e7 +24 V\u2019da) ise NPN sens\u00f6rle \u00e7al\u0131\u015f\u0131r. <a href=\"https:\/\/www.se.com\/us\/en\/faqs\/FA142566\/\">Schneider Electric\u2019in m\u00fchendislikle ilgili SSS b\u00f6l\u00fcm\u00fcnde bu e\u015fle\u015ftirme a\u00e7\u0131k\u00e7a belirtilmi\u015ftir: emici giri\u015fler PNP sens\u00f6rleri, verici giri\u015fler ise NPN sens\u00f6rleri kullan\u0131r. Sens\u00f6r\u00fcn giri\u015f kart\u0131 tipiyle uyumlu olmas\u0131 hususunun hayati \u00f6nem ta\u015f\u0131d\u0131\u011f\u0131 vurgulanmaktad\u0131r<\/a>.<\/p>\n\n<p>Bu kural \u00e7er\u00e7evesinde, Kuzey Amerika ve Avrupa\u2019daki modern end\u00fcstriyel uygulamalar \u015fu \u015fekilde yerle\u015fmi\u015ftir: <strong>Al\u00e7altmal\u0131 giri\u015flere sahip PNP<\/strong> yeni tasar\u0131mlar i\u00e7in varsay\u0131lan ayar olarak. Bunun nedenleri mistik de\u011fil, pratiktir. Pozitif mant\u0131kla ak\u0131l y\u00fcr\u00fctmek daha kolayd\u0131r (\u201c24 V varsa = giri\u015f a\u00e7\u0131k\u201d) ve topraklanm\u0131\u015f 0 V\u2019ye g\u00f6re ar\u0131za tespiti daha h\u0131zl\u0131d\u0131r. Hat \u00fczerindeki herhangi bir ba\u011flant\u0131 kutusunu test edebilir ve en yak\u0131n topraklama noktas\u0131na g\u00f6re \u00f6l\u00e7\u00fcm yapabilirsiniz. G\u00fcn\u00fcm\u00fczde \u00e7o\u011fu PLC giri\u015f kart\u0131, hem emici hem de verici modda yap\u0131land\u0131r\u0131labildi\u011finden, bu kural bir tercihtir, bir k\u0131s\u0131tlama de\u011fildir.<\/p>\n\n<!-- BP-mid (CTA) -->\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\"><rect width=\"16\" height=\"16\" x=\"4\" y=\"4\" rx=\"2\"\/><rect width=\"6\" height=\"6\" x=\"9\" y=\"9\" rx=\"1\"\/><path d=\"M15 2v2\"\/><path d=\"M15 20v2\"\/><path d=\"M2 15h2\"\/><path d=\"M2 9h2\"\/><path d=\"M20 15h2\"\/><path d=\"M20 9h2\"\/><path d=\"M9 2v2\"\/><path d=\"M9 20v2\"\/><\/svg><\/span>Yeni bir kablo ba\u011flant\u0131s\u0131 m\u0131 yapacaks\u0131n\u0131z, yoksa bir sens\u00f6r\u00fc m\u00fc de\u011fi\u015ftireceksiniz?<\/p>\n  <p class=\"bp-cta-mid-copy\">Hangi giri\u015f kart\u0131na sahip oldu\u011funuzu bize bildirirseniz, sipari\u015f vermeden \u00f6nce ihtiyac\u0131n\u0131z olan \u00e7\u0131k\u0131\u015f t\u00fcr\u00fcn\u00fc teyit ederiz.<\/p>\n  <a class=\"bp-cta-mid-btn\" href=\"https:\/\/www.omch.com\/tr\/contact\/\" target=\"_self\">\u00c7\u0131kt\u0131 t\u00fcr\u00fcm\u00fc onayla<\/a>\n<\/div>\n\n<p><strong>Bir sens\u00f6r\u00fc de\u011fi\u015ftiriyorsan\u0131z: karar makineye aittir.<\/strong><\/p>\n\n<p>Onar\u0131m ve modernizasyon \u00e7al\u0131\u015fmalar\u0131 ise tamamen farkl\u0131 bir kural uyar\u0131nca y\u00fcr\u00fct\u00fcl\u00fcr: <strong>B\u00f6lgesel kongrede ne karar verilirse verilsin, makinenin mevcut mant\u0131\u011f\u0131 galip gelir.<\/strong> Japonya\u2019da ve Asya\u2019n\u0131n bir\u00e7ok \u00fclkesinde \u00fcretilen ekipmanlar, on y\u0131llard\u0131r NPN I\/O kullanmaktad\u0131r. \u00d6nde gelen Japon markalar\u0131n\u0131n PLC\u2019leri tarihsel olarak NPN \u00e7\u0131k\u0131\u015flar\u0131yla piyasaya sunulmu\u015ftur ve bir\u00e7ok Avrupa PLC\u2019si ise bu \u00e7\u0131k\u0131\u015flar\u0131 hi\u00e7 sunmam\u0131\u015ft\u0131r. Sonu\u00e7 olarak, d\u00fcnya \u00e7ap\u0131ndaki bak\u0131m pazarlar\u0131nda, ayn\u0131 at\u00f6lyede yeni PNP kurulumlar\u0131n\u0131n hemen yan\u0131nda yer alan muazzam bir NPN makine park\u0131 bulunmaktad\u0131r.<\/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>\u201cHerkes PNP kullan\u0131r\u201d bir kural de\u011fildir<\/p>\n  <p>B\u00f6lgesel kongrede yeni kurulumlar ele al\u0131nmaktad\u0131r. Ancak kat\u0131n\u0131zdaki makine hakk\u0131nda hi\u00e7bir \u015feyden bahsedilmemektedir. Asya\u2019da \u00fcretilmi\u015f bir bask\u0131 makinesi, ithal bir paketleme hatt\u0131 ya da +24 V ortak hatt\u0131na sahip bir kontrol \u00fcnitesi, sessizce NPN gerektirecektir. \u201cStandart\u201d cevap, size iade masraf\u0131na mal olacakt\u0131r. \u015e\u00fcphe duydu\u011funuzda, piyasaya de\u011fil, makineye dan\u0131\u015f\u0131n.<\/p>\n<\/div>\n\n<p>Peki hangisi \u201ckazanacak\u201d? Hi\u00e7biri. \u0130\u015fte tedarik s\u00fcrecine ta\u015f\u0131nmas\u0131 gereken \u00f6nemli bir i\u00e7g\u00f6r\u00fc budur. PNP, Avrupa ve Amerika\u2019daki yeni panel tasar\u0131mlar\u0131n\u0131 kazanmaya devam ederken, NPN ise Asya\u2019da \u00fcretilmi\u015f veya eski makinelerin onar\u0131ld\u0131\u011f\u0131 her yerde kendine yer bulmaya devam ediyor. Bu iki topoloji, iki farkl\u0131 ekonomik alana hizmet ediyor: yeni \u00fcretim ve bak\u0131m. \u0130\u015fletmeniz her ikisiyle de ilgileniyorsa (ve \u00e7o\u011fu sens\u00f6r al\u0131c\u0131s\u0131 \u00f6yle), o zaman \u201cNPN mi, PNP mi?\u201d sorusu tek seferlik bir se\u00e7im de\u011fildir. Bu, ekipman\u0131n kullan\u0131m \u00f6mr\u00fc boyunca her makine ve her sipari\u015f i\u00e7in yan\u0131tlaman\u0131z gereken bir sorudur.<\/p>\n\n<h2>Sens\u00f6r Sat\u0131n Alma: Tedarik\u00e7inize Hangi \u00d6zellikleri Belirtmelisiniz?<\/h2>\n\n<p>\u0130\u015fte burada \u00e7\u0131kt\u0131 t\u00fcr\u00fc art\u0131k sadece bir kavram olmaktan \u00e7\u0131k\u0131p, sat\u0131n alma sipari\u015findeki bir sat\u0131r haline gelir. Bir \u00fcreticinin katalo\u011funda NPN ve PNP, aksesuar de\u011fildir. Bunlar <strong>farkl\u0131 par\u00e7a numaralar\u0131<\/strong>. Ayn\u0131 g\u00f6vde, ayn\u0131 alg\u0131lama mesafesi, ayn\u0131 kablo renkleri ve her bir \u00e7\u0131k\u0131\u015f transist\u00f6r\u00fc t\u00fcr\u00fc i\u00e7in farkl\u0131 bir son ek veya model kodu. Bir\u00e7ok sat\u0131c\u0131, topolojiyi do\u011frudan model numaras\u0131na kodlar (ba\u015fka t\u00fcm \u00f6zellikleri ayn\u0131 olan bir seride \u201c-N\u201d ile \u201c-P\u201d son eklerinin kullan\u0131lmas\u0131 yayg\u0131n bir \u00f6rnektir). \u201cGe\u00e7en seferkiyle ayn\u0131 sens\u00f6r\u201d sipari\u015fi verdi\u011finizde, \u00f6nceki sipari\u015f farkl\u0131 bir makine i\u00e7in verilmi\u015fse bu sens\u00f6r \u00e7al\u0131\u015fmaz.<\/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>Herhangi bir sens\u00f6r sipari\u015fini onaylamadan \u00f6nce dikkate al\u0131nmas\u0131 gereken d\u00f6rt nokta<\/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>\u00c7\u0131k\u0131\u015f topolojisi sipari\u015f formunda belirtilmelidir (NPN veya PNP). Bunun zaten anla\u015f\u0131ld\u0131\u011f\u0131n\u0131 asla varsaymay\u0131n.<\/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>NO\/NC, topolojiden ayr\u0131 olarak belirtilir (a\u015fa\u011f\u0131daki ar\u0131za b\u00f6l\u00fcm\u00fcne bak\u0131n\u0131z: bunlar birbirinden ba\u011f\u0131ms\u0131z eksenlerdir).<\/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>Katalog sayfas\u0131ndaki par\u00e7a numaras\u0131, ihtiyac\u0131n\u0131z olan \u00e7\u0131k\u0131\u015f t\u00fcr\u00fcyle uyumludur; sayfada her iki varyant da listeleniyorsa, belirli bir kodu sipari\u015f ediyorsunuz demektir.<\/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>E\u011fer bu bir de\u011fi\u015ftirme i\u015flemi ise, ar\u0131zal\u0131 sens\u00f6r\u00fcn etiketini okumak yerine, giri\u015f kart\u0131n\u0131n ortak terminalini kontrol etmi\u015f ya da eski sens\u00f6r\u00fc test etmi\u015f olmal\u0131s\u0131n\u0131z.<\/span><\/li>\n  <\/ul>\n<\/div>\n\n<p>Bu son kontrol, g\u00f6r\u00fcnd\u00fc\u011f\u00fcnden \u00e7ok daha \u00f6nemlidir. Ar\u0131zal\u0131 bir sens\u00f6r\u00fcn \u00fczerindeki etiket sadece bir \u00f6neridir, kesin bir bilgi de\u011fildir: Sens\u00f6rler \u00f6nceki onar\u0131m ekipleri taraf\u0131ndan de\u011fi\u015ftirilmi\u015f olabilir ve etiket, makinenin neye ihtiyac\u0131 oldu\u011funu de\u011fil, neyin g\u00f6nderildi\u011fini belirtir. Yanl\u0131\u015f bir kart, 6 haftal\u0131k bir teslim s\u00fcresi anlam\u0131na gelebilir; bu, bunu bizzat ya\u015fayan m\u00fchendislerin anlatt\u0131\u011f\u0131 ger\u00e7ek bir maliyettir. 10 saniyelik ortak terminal kontrol\u00fc, paneldeki en ucuz g\u00fcvence y\u00f6ntemidir.<\/p>\n\n<p>Sipari\u015f ekran\u0131ndayken dikkate alman\u0131z gereken bir s\u0131n\u0131rlama daha var: Kontakl\u0131 \u00e7\u0131k\u0131\u015f cihazlar\u0131 bu konunun d\u0131\u015f\u0131nda kal\u0131r. Limit anahtar\u0131 veya mikro anahtar sat\u0131n al\u0131yorsan\u0131z, belirtmeniz gereken bir NPN\/PNP parametresi yoktur. Mekanik bir kontak, hangi ray\u0131 anahtarlad\u0131\u011f\u0131na bakmaz. Yaln\u0131zca kat\u0131 hal DC \u00e7\u0131k\u0131\u015flar\u0131n\u0131n bulundu\u011fu durumlarda \u00e7\u0131k\u0131\u015f topolojisini sorun; b\u00f6ylece var olmayan bir par\u00e7ay\u0131 talep etmek gibi bir durumla asla kar\u015f\u0131la\u015fmazs\u0131n\u0131z.<\/p>\n\n<!-- BP-3 -->\n<div class=\"bp-3-pn bd-reveal\">\n  <p class=\"bp-3-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=\"M12.586 2.586A2 2 0 0 0 11.172 2H4a2 2 0 0 0-2 2v7.172a2 2 0 0 0 .586 1.414l8.704 8.704a2.426 2.426 0 0 0 3.42 0l6.58-6.58a2.426 2.426 0 0 0 0-3.42z\"\/><circle cx=\"7.5\" cy=\"7.5\" r=\".5\" fill=\"currentColor\"\/><\/svg><\/span>\u00c7\u0131k\u0131\u015f t\u00fcr\u00fc, par\u00e7a numaras\u0131na ba\u011fl\u0131d\u0131r<\/p>\n  <div class=\"bp-3-grid\">\n    <div class=\"bp-3-cell\">\n      <span class=\"bp-3-chip\">-N<\/span>\n      <span class=\"bp-3-cellcopy\"><span class=\"bp-3-celllabel\">NPN \u00e7\u0131k\u0131\u015f\u0131<\/span><span class=\"bp-3-cellsub\">\u00c7\u0131k\u0131\u015f\u0131 0 V\u2019a d\u00fc\u015f\u00fcr\u00fcr<\/span><\/span>\n    <\/div>\n    <div class=\"bp-3-cell\">\n      <span class=\"bp-3-chip\">-P<\/span>\n      <span class=\"bp-3-cellcopy\"><span class=\"bp-3-celllabel\">PNP \u00e7\u0131k\u0131\u015f\u0131<\/span><span class=\"bp-3-cellsub\">Y\u00fcklere +24 V besleme<\/span><\/span>\n    <\/div>\n  <\/div>\n  <p class=\"bp-3-foot\">Haf\u0131za kapasitesine g\u00f6re de\u011fil, par\u00e7a numaras\u0131na g\u00f6re sipari\u015f verin.<\/p>\n<\/div>\n\n<h2>Ar\u0131za Modlar\u0131, NO\/NC ve NPN\u2194PNP D\u00f6n\u00fc\u015ft\u00fcrme<\/h2>\n\n<p>Sens\u00f6rler ar\u0131zalan\u0131r ve yanl\u0131\u015f ba\u011flanm\u0131\u015f sens\u00f6rler, ders niteli\u011finde ar\u0131zalar verir. Bir vardiyaya mal olmadan \u00f6nce dikkat etmeniz gereken iki ar\u0131za t\u00fcr\u00fc vard\u0131r ve bunlardan biri ger\u00e7ekten de sezgilere ayk\u0131r\u0131d\u0131r.<\/p>\n\n<h3>Topra\u011fa k\u0131sa devrenin ger\u00e7ekte ne yapt\u0131\u011f\u0131: Neden \u201cPNP daha g\u00fcvenlidir\u201d ifadesi yar\u0131m bir ger\u00e7ektir<\/h3>\n\n<p>Bir PNP sens\u00f6r\u00fcn\u00fc al\u0131n ve \u00e7\u0131k\u0131\u015f kablosunu topra\u011fa k\u0131sa devre yapt\u0131r\u0131n: a\u015f\u0131nm\u0131\u015f bir kablo, ezilmi\u015f bir kablo kanal\u0131, \u015fasiye temas eden gev\u015fek bir tel. Y\u00fcksek taraf anahtar\u0131 art\u0131k +24 V\u2019yi ar\u0131za noktas\u0131 \u00fczerinden do\u011frudan topra\u011fa ba\u011flar. Bir koruma mekanizmas\u0131 devreye girer: bir sigorta atar, bir devre kesici devre d\u0131\u015f\u0131 kal\u0131r, bir g\u00fc\u00e7 kayna\u011f\u0131 geri \u00e7ekilir veya sens\u00f6r\u00fcn kendi k\u0131sa devre korumas\u0131 devreye girer. Ar\u0131za <strong>g\u00f6r\u00fcn\u00fcr<\/strong>: Ak\u0131m ge\u00e7ti, bir \u015fey tepki g\u00f6sterdi ve makine, birinin bulabilece\u011fi bir durumda durdu.<\/p>\n\n<p>\u015eimdi ayn\u0131s\u0131n\u0131 bir NPN sens\u00f6r\u00fcne de uygulay\u0131n. Bu sens\u00f6r\u00fcn anahtar\u0131 d\u00fc\u015f\u00fck tarafta yer al\u0131r; \u00e7\u0131k\u0131\u015f\u0131n\u0131 topra\u011fa k\u0131sa devre yapt\u0131rmak hi\u00e7bir \u015fekilde anormal bir ak\u0131m yolu olu\u015fturmaz. Sens\u00f6r\u00fcn ne alg\u0131lad\u0131\u011f\u0131na bak\u0131lmaks\u0131z\u0131n y\u00fck basit\u00e7e \u201ca\u00e7\u0131k\u201d konuma getirilir, bir <strong>false A\u00c7IK<\/strong>, ve hi\u00e7bir yerde hi\u00e7bir \u015fey tepki vermez. Klasik bir ar\u0131za \u00f6rne\u011fi, \u00e7\u0131k\u0131\u015f kablosu topra\u011fa de\u011fen tank seviye sens\u00f6r\u00fcd\u00fcr: pompa \u00e7al\u0131\u015fmaya devam eder, kimse uyar\u0131lmaz ve sorun, tank\u0131n ta\u015fmas\u0131yla kendini belli eder.<\/p>\n\n<!-- BP-2 -->\n<div class=\"bp-2-fault bd-reveal\">\n  <p class=\"bp-2-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\"><polygon points=\"13 2 3 14 12 14 11 22 21 10 12 10 13 2\"\/><\/svg><\/span>Topra\u011fa k\u0131sa devre, kendini farkl\u0131 bir \u015fekilde belli eder<\/p>\n  <div class=\"bp-2-grid\">\n    <div class=\"bp-2-cell\">\n      <p class=\"bp-2-celllabel\"><span class=\"cell-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=\"m2 2 20 20\"\/><path d=\"M5 5a1 1 0 0 0-1 1v7c0 5 3.5 7.5 7.67 8.94a1 1 0 0 0 .67.01c2.35-.82 4.48-1.97 5.9-3.71\"\/><path d=\"M9.309 3.652A12.252 12.252 0 0 0 11.24 2.28a1.17 1.17 0 0 1 1.52 0C14.51 3.81 17 5 19 5a1 1 0 0 1 1 1v7a9.784 9.784 0 0 1-.08 1.264\"\/><\/svg><\/span>PNP \u00e7\u0131k\u0131\u015f\u0131 topra\u011fa k\u0131sa devre yap\u0131lm\u0131\u015f<\/p>\n      <p class=\"bp-2-cellline\">A\u015f\u0131r\u0131 ak\u0131m, bir sigortay\u0131 veya sens\u00f6r\u00fcn koruma mekanizmas\u0131n\u0131 devre d\u0131\u015f\u0131 b\u0131rak\u0131r ve ar\u0131za ortaya \u00e7\u0131kar.<\/p>\n    <\/div>\n    <div class=\"bp-2-cell\">\n      <p class=\"bp-2-celllabel\"><span class=\"cell-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=\"M7 16.3c2.2 0 4-1.83 4-4.05 0-1.16-.57-2.26-1.71-3.19S7.29 6.75 7 5.3c-.29 1.45-1.14 2.84-2.29 3.76S3 11.1 3 12.25c0 2.22 1.8 4.05 4 4.05z\"\/><path d=\"M12.56 6.6A10.97 10.97 0 0 0 14 3.02c.5 2.5 2 4.9 4 6.5s3 3.5 3 5.5a6.98 6.98 0 0 1-11.91 4.97\"\/><\/svg><\/span>NPN \u00e7\u0131k\u0131\u015f\u0131 topra\u011fa k\u0131sa devre yap\u0131lm\u0131\u015f<\/p>\n      <p class=\"bp-2-cellline\">Anormal ak\u0131m yok; y\u00fck a\u00e7\u0131k kal\u0131yor; bu, tank ta\u015fana kadar fark edilmeyen bir yanl\u0131\u015f \u201cA\u00c7IK\u201d durumudur.<\/p>\n    <\/div>\n  <\/div>\n<\/div>\n\n<p>Bu asimetri, \u201cPNP daha g\u00fcvenlidir\u201d slogan\u0131n\u0131n ard\u0131nda yatan ger\u00e7ek i\u00e7eri\u011fidir. Mesele, PNP mant\u0131\u011f\u0131n\u0131n do\u011fas\u0131 gere\u011fi hatas\u0131z olmas\u0131 de\u011fildir. Mesele, y\u00fcksek taraf anahtar\u0131ndaki bir toprak ar\u0131zas\u0131n\u0131n kendini belli etmesine kar\u015f\u0131n, d\u00fc\u015f\u00fck taraf anahtar\u0131ndaki ayn\u0131 ar\u0131zan\u0131n tasar\u0131m gere\u011fi fark edilmez olmas\u0131d\u0131r. Birisi size NPN\u2019nin g\u00fcvenli olmad\u0131\u011f\u0131n\u0131 s\u00f6yledi\u011finde, genellikle kastetti\u011fi \u015fudur: <em>NPN ar\u0131zalar\u0131, \u00f6l\u00e7\u00fcm cihaz\u0131ndan ve prosesinden daha iyi gizlenir.<\/em> Bu, bir sorun giderme arg\u00fcman\u0131d\u0131r. Bir metrelik \u00f6l\u00e7\u00fcm kablosunu topra\u011fa ba\u011flayarak ba\u011flant\u0131 kutular\u0131n\u0131 inceleyen bak\u0131m ekipleri i\u00e7in bu arg\u00fcman olduk\u00e7a ikna edicidir; i\u015fte tam da bu nedenle PNP, yeni kurulum uygulamalar\u0131nda yayg\u0131n olarak benimsenmi\u015ftir. Ancak bu, mant\u0131\u011f\u0131n kendisinin bir g\u00fcvenlik \u00f6zelli\u011fi de\u011fildir ve bir slogan\u0131n etkisiyle \u00e7al\u0131\u015fan bir makinenin kablolar\u0131n\u0131 yeniden d\u00f6\u015femeden \u00f6nce bunu bilmekte fayda vard\u0131r.<\/p>\n\n<h3>NO\/NC ayr\u0131 bir eksendir: bunu asla \u00e7\u0131k\u0131\u015f t\u00fcr\u00fcyle bir araya getirmeyin<\/h3>\n\n<p>\"Normalde a\u00e7\u0131k\" ile \"normalde kapal\u0131\" aras\u0131ndaki fark\u0131n, NPN ile PNP aras\u0131ndaki farkla hi\u00e7bir ilgisi yoktur. Bunlar birbirinden ba\u011f\u0131ms\u0131z iki parametredir ve kombinasyon tablosunda iki de\u011fil, d\u00f6rt ge\u00e7erli h\u00fccre bulunmaktad\u0131r:<\/p>\n\n<div class=\"rich-table-wrap bd-reveal\">\n  <p class=\"rich-table-title\">NPN\/PNP ve NO\/NC birbirinden ba\u011f\u0131ms\u0131z eksenlerdir<\/p>\n  <div class=\"table-wrapper\">\n    <table class=\"rich-table\">\n      <thead>\n        <tr><th><\/th><th>NPN (alt taraf anahtar\u0131)<\/th><th>PNP (y\u00fcksek taraf anahtar\u0131)<\/th><\/tr>\n      <\/thead>\n      <tbody>\n        <tr><td>NO (normalde a\u00e7\u0131k)<\/td><td>Alg\u0131land\u0131\u011f\u0131nda, d\u00fc\u015f\u00fck seviyeye ge\u00e7er \u2192 giri\u015f A\u00c7IK<\/td><td>Alg\u0131lama durumunda, 24 V g\u00f6nderir \u2192 giri\u015f A\u00c7IK<\/td><\/tr>\n        <tr><td>NC (normalde kapal\u0131)<\/td><td>Alg\u0131lanmad\u0131\u011f\u0131nda kapal\u0131 konuma gelir; alg\u0131land\u0131\u011f\u0131nda a\u00e7\u0131l\u0131r<\/td><td>Alg\u0131lanmad\u0131\u011f\u0131nda 24 V g\u00f6nderir; alg\u0131land\u0131\u011f\u0131nda a\u00e7\u0131l\u0131r<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/div>\n\n<p>Schneider Electric, PNP\/NPN SSS b\u00f6l\u00fcm\u00fcnde bu hususu a\u00e7\u0131k\u00e7a belirtmektedir: \u00c7\u0131k\u0131\u015f t\u00fcr\u00fc, \u201csens\u00f6r\u00fcn normalde a\u00e7\u0131k m\u0131 yoksa normalde kapal\u0131 m\u0131 oldu\u011fu ile hi\u00e7bir ilgisi yoktur\u201d. Bu, yaln\u0131zca dahili devre tasar\u0131m\u0131n\u0131n bir i\u015flevidir. Ar\u0131za durumunda ise bu iki eksenin \u00f6nemi farkl\u0131d\u0131r. NO\/NC, kopan bir kablo veya ar\u0131zal\u0131 bir sens\u00f6r\u00fcn hangi y\u00f6nde ar\u0131za verece\u011fini belirler (a\u00e7\u0131k = i\u015flem durur; kapal\u0131 = i\u015flem devam eder). NPN\/PNP ise topraklama ar\u0131zas\u0131n\u0131n nas\u0131l davranaca\u011f\u0131n\u0131 belirler. Bir sens\u00f6r\u00fc yaln\u0131zca tek bir eksene g\u00f6re sipari\u015f ederseniz, par\u00e7an\u0131n sadece yar\u0131s\u0131n\u0131 belirtmi\u015f olursunuz.<\/p>\n\n<h3>Elinizde yanl\u0131\u015f t\u00fcr var: Peki hangisi ger\u00e7ekten i\u015fe yar\u0131yor?<\/h3>\n\n<p>Demek sens\u00f6r elinize ula\u015ft\u0131 ya da zaten kuruldu, ancak giri\u015f i\u00e7in uygun olmayan bir topolojiye sahip. \u0130ade kargo \u00fccretini \u00f6demeden \u00f6nce, d\u00f6n\u00fc\u015ft\u00fcrme se\u00e7eneklerini ve bunlar\u0131n ger\u00e7ek s\u0131n\u0131rlar\u0131n\u0131 \u00f6\u011frenin:<\/p>\n\n<div class=\"rich-table-wrap bd-reveal\">\n  <p class=\"rich-table-title\">NPN\u2194PNP d\u00f6n\u00fc\u015ft\u00fcrme se\u00e7enekleri ve s\u0131n\u0131rlar\u0131<\/p>\n  <div class=\"table-wrapper\">\n    <table class=\"rich-table\">\n      <thead>\n        <tr><th>Se\u00e7enek<\/th><th>\u015eunlar i\u00e7in ge\u00e7erlidir:<\/th><th>Nerede ba\u015far\u0131s\u0131z oluyor?<\/th><th>Maliyet<\/th><\/tr>\n      <\/thead>\n      <tbody>\n        <tr><td>Aray\u00fcz r\u00f6lesi (y\u00fck olarak bobin)<\/td><td>Yava\u015f anahtar sinyalleri; bobin gerilimi uyumludur<\/td><td>~10 ms\u2019lik r\u00f6le tepki s\u00fcresi, h\u0131zl\u0131 say\u0131ma ayak uyduram\u0131yor; bobin \u00f6mr\u00fc s\u0131n\u0131rl\u0131<\/td><td>En d\u00fc\u015f\u00fck<\/td><\/tr>\n        <tr><td>Optokupl\u00f6r<\/td><td>\u0130zolasyon gereklidir; orta h\u0131zda sinyaller<\/td><td>Giri\u015f taraf\u0131ndaki ak\u0131m e\u015fi\u011fini hesaplamak gerekir (yakla\u015f\u0131k 5\u201312 mA); iki ek kablolama ad\u0131m\u0131<\/td><td>D\u00fc\u015f\u00fck<\/td><\/tr>\n        <tr><td>Yukar\u0131 \u00e7ekme \/ a\u015fa\u011f\u0131 \u00e7ekme direnci<\/td><td>Ge\u00e7ici \u00e7\u00f6z\u00fcm; t\u00fcr\u00fcn do\u011frulanmas\u0131<\/td><td>Kal\u0131c\u0131 de\u011fildir: s\u0131cakl\u0131\u011fa ba\u011fl\u0131 olarak de\u011fi\u015fir, y\u00fck ak\u0131m\u0131 s\u0131n\u0131rl\u0131d\u0131r, tepki s\u00fcresi daha uzundur; yaln\u0131zca d\u00fc\u015f\u00fck h\u0131zda ve hafif y\u00fckte<\/td><td>Neredeyse s\u0131f\u0131r<\/td><\/tr>\n        <tr><td>\u00d6zel NPN\u2194PNP d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fc<\/td><td>Uzun s\u00fcreli kar\u0131\u015ft\u0131rma; h\u0131zl\u0131 sinyaller<\/td><td>Demiryolu yuvas\u0131 ve bir g\u00fc\u00e7 yuvas\u0131 kaplar; ar\u0131zalanabilecek bir par\u00e7a daha<\/td><td>Orta<\/td><\/tr>\n        <tr><td>Do\u011fru sens\u00f6r<\/td><td>Her t\u00fcrl\u00fc durum<\/td><td>Teslim s\u00fcresi ve iade kargo<\/td><td>Teslim s\u00fcresine ba\u011fl\u0131d\u0131r<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/div>\n\n<p>Her sat\u0131rda g\u00f6r\u00fclen \u00f6r\u00fcnt\u00fc \u015fudur: D\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fc elektronik aksamlar, size uyumlulu\u011fu \u015fu bedel kar\u015f\u0131l\u0131\u011f\u0131nda sa\u011flar: <strong>h\u0131z, basitlik ya da kal\u0131c\u0131l\u0131k<\/strong>. Bir \u00e7ekme direnci, bir NPN sens\u00f6r\u00fcn\u00fcn bir PNP giri\u015fini s\u00fcrmesini sa\u011flayabilir. Herhangi bir forumdaki m\u00fchendise sorarsan\u0131z, bu y\u00f6ntemin g\u00fcnl\u00fck olarak kullan\u0131ld\u0131\u011f\u0131n\u0131 g\u00f6receksiniz. Ancak bu, ger\u00e7ek s\u0131n\u0131rlar\u0131 (y\u00fck ak\u0131m\u0131, s\u0131cakl\u0131k sapmas\u0131, tepki s\u00fcresi) olan bir at\u00f6lye hilesi olup, bir tasar\u0131m karar\u0131 de\u011fildir. Bir aray\u00fcz r\u00f6lesi, dakikada birka\u00e7 kez de\u011fi\u015fen bir varl\u0131k sinyali i\u00e7in uygunken, h\u0131zl\u0131 say\u0131m gerektiren uygulamalar i\u00e7in hi\u00e7 i\u015fe yaramaz. DigiKey\u2019in uygulama m\u00fchendisleri, yanl\u0131\u015f \u00e7\u0131k\u0131\u015f par\u00e7as\u0131 sipari\u015f edildi\u011finde \u201cekipman\u0131 \u00e7al\u0131\u015f\u0131r hale getirmek i\u00e7in hat\u0131r\u0131 say\u0131l\u0131r bir \u00e7aba gerekece\u011fini\u201d belirtiyor. Bu \u00e7aba genellikle d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fcn\u00fcn ray\u0131 \u00fczerine konmas\u0131yla ya da sens\u00f6r\u00fcn kutusuna geri girmesiyle sonu\u00e7lan\u0131r. Makine bu sens\u00f6rle y\u0131llarca \u00e7al\u0131\u015facaksa, do\u011fru par\u00e7a numaras\u0131 en zekice tasarlanm\u0131\u015f adapt\u00f6rden bile daha ucuzdur. D\u00f6n\u00fc\u015ft\u00fcrme i\u015flemlerini, \u201c\u015fu anda bozuk\u201d ile \u201cdo\u011fru sens\u00f6r gelir\u201d aras\u0131ndaki bo\u015flu\u011fu doldurmak i\u00e7in saklay\u0131n.\u201d<\/p>\n\n<h2>Bayiler i\u00e7in: \u0130kisini de Stoklay\u0131n, \u0130ki Soru Sorun<\/h2>\n\n<p>Yukar\u0131daki her ar\u0131za durumu, er ya da ge\u00e7 bir distrib\u00fct\u00f6r\u00fcn tezgah\u0131na ula\u015f\u0131r. Makineyi tan\u0131yan ki\u015fi (bak\u0131m) ile par\u00e7ay\u0131 sipari\u015f eden ki\u015fi (tedarik) genellikle ayn\u0131 ki\u015fi de\u011fildir. Aradaki ki\u015fi ise sizsiniz. Bir m\u00fc\u015fteri \u201c18 mm\u2019lik, NO tipi end\u00fcktif yak\u0131nl\u0131k sens\u00f6r\u00fc\u201d istedi\u011finde, eksik olan parametre tesad\u00fcfen eksik de\u011fildir. Sordu\u011funuz iki soru, d\u00f6ng\u00fcy\u00fc tamamlar:<\/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>Her NPN\/PNP sipari\u015fini kesinle\u015ftiren iki soru<\/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>Giri\u015f kart\u0131n\u0131n ortak terminalinde ne var: +24 V mu yoksa 0 V m\u0131? (M\u00fc\u015fteri bunu karttan veya PLC k\u0131lavuzundan on saniye i\u00e7inde \u00f6\u011frenebilir.)<\/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>Bu, mevcut bir makine i\u00e7in mi ve nerede \u00fcretildi? (Asya\u2019da \u00fcretilmi\u015f ve eski ekipmanlarda NPN kullan\u0131m\u0131 \u00e7ok yayg\u0131nd\u0131r; yeni Avrupa\/Kuzey Amerika men\u015feli panellerde ise PNP kullan\u0131m\u0131 \u00e7ok yayg\u0131nd\u0131r.)<\/span><\/li>\n  <\/ul>\n<\/div>\n\n<p>Bu sorular\u0131n hi\u00e7biri m\u00fc\u015fterinin elektronik konusunda bilgi sahibi olmas\u0131n\u0131 gerektirmez; i\u015fte bu y\u00fczden bu sorular tezgah\u0131n \u00f6tesinde de i\u015fe yarar. Stoklama konusundaki sonu\u00e7 da ayn\u0131 mant\u0131ktan kaynaklan\u0131r:<\/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=\"M15 14c.2-1 .7-1.7 1.5-2.5 1-.9 1.5-2.2 1.5-3.5A6 6 0 0 0 6 8c0 1 .2 2.2 1.5 3.5.7.7 1.3 1.5 1.5 2.5\"\/><path d=\"M9 18h6\"\/><path d=\"M10 22h4\"\/><\/svg><\/span>\u00c7orap duru\u015fu<\/p>\n  <p>NPN, \u201cPNP standartt\u0131r\u201d s\u00f6yleminin ima etti\u011fi gibi modas\u0131 ge\u00e7mi\u015f, ikinci s\u0131n\u0131f bir \u00fcr\u00fcn de\u011fildir. Onar\u0131m pazar\u0131ndaki NPN makinelerin kurulu taban\u0131, Japonlar\u0131n eski \u00fcretim hatlar\u0131ndan on y\u0131llard\u0131r ihra\u00e7 edilen Asya men\u015feli ekipmanlara kadar uzan\u0131r ve son derece geni\u015ftir; bu durum ortadan kalkmayacakt\u0131r. Yaln\u0131zca PNP stoklayan ve onar\u0131m m\u00fc\u015fterilerine hizmet veren bir distrib\u00fct\u00f6r, bu m\u00fc\u015fterilere ba\u015fka bir yere gitmelerini s\u00f6yl\u00fcyor; ayn\u0131 g\u00f6vde ve alg\u0131lama mesafelerinde her iki topolojiyi de bulunduran bir distrib\u00fct\u00f6r ise, kap\u0131s\u0131ndan giren her makineye uygun yedek par\u00e7a satar.<\/p>\n<\/div>\n\n<p>Bu iki soruyu an\u0131nda yan\u0131tlayabilen sat\u0131\u015f temsilcisi, par\u00e7a talebini sipari\u015fe d\u00f6n\u00fc\u015ft\u00fcr\u00fcr; omuz silken sat\u0131\u015f temsilcisi ise bunu rakip bir web sitesine yap\u0131lan ziyarete d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. M\u00fc\u015fteriler, ayn\u0131 \u00fcr\u00fcn foto\u011fraf\u0131n\u0131 satan di\u011fer dokuz sat\u0131c\u0131yla sizi kar\u015f\u0131la\u015ft\u0131r\u0131r. \u00c7\u0131k\u0131\u015f t\u00fcr\u00fc sorusu, sat\u0131\u015f\u0131n fiyat de\u011fil uzmanl\u0131k sayesinde sonu\u00e7land\u0131\u011f\u0131 nadir anlardan biridir.<\/p>\n\n<hr>\n\n<p><em>Sens\u00f6rleri de\u011fi\u015ftirmek veya stoklamak istiyorsunuz ve makinenin NPN mi yoksa PNP mi gerektirdi\u011finden emin de\u011fil misiniz? OMCH\u2019nin <a href=\"https:\/\/www.omch.com\/tr\/product-selection\/\">\u00fcr\u00fcn se\u00e7imi deste\u011fi<\/a> end\u00fcstriyel otomasyon par\u00e7alar\u0131n\u0131 markan\u0131z, \u00e7iziminiz veya teknik \u00f6zelliklerinizle e\u015fle\u015ftirir. Sipari\u015f vermeden \u00f6nce ayr\u0131nt\u0131lar\u0131 g\u00f6nderin ve do\u011fru \u00e7\u0131k\u0131\u015f t\u00fcr\u00fcn\u00fc teyit ettirin.<\/em><\/p>\n\n<!-- BP-end (CTA) -->\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>NPN mi PNP mi gerekiyor \u2014 ve karar verecek makine hangisi?<\/p>\n  <p class=\"bp-cta-end-sub\">Bize teknik \u00f6zellikleri, kart modelini veya bir \u00e7izimi g\u00f6nderin. Teklifinizle birlikte do\u011fru \u00e7\u0131k\u0131\u015f t\u00fcr\u00fcn\u00fc \u00f6\u011freneceksiniz.<\/p>\n  <a class=\"bp-cta-end-btn\" href=\"https:\/\/www.omch.com\/tr\/contact\/\" target=\"_self\">Sens\u00f6r teknik \u00f6zelliklerinizi g\u00f6nderin<\/a>\n<\/div>\n\n<h2>Kaynak\u00e7a<\/h2>\n<ol class=\"bd-refs\">\n  <li>\n    DigiKey. \u201cHangisini daha \u00e7ok seviyorsunuz \u2014 NPN mi, PNP mi?\u201d End\u00fcstriyel Otomasyon i\u00e7in Pratik K\u0131lavuz, forum ba\u015fl\u0131\u011f\u0131.\n    <a href=\"https:\/\/forum.digikey.com\/t\/which-do-you-love-more-npn-or-pnp\/51317\"\n       target=\"_blank\"\n       rel=\"noopener noreferrer\">\n      https:\/\/forum.digikey.com\/t\/which-do-you-love-more-npn-or-pnp\/51317\n    <\/a>\n  <\/li>\n<\/ol>\n\n<\/article>\n<\/div>\n<!-- \u2191\u2191\u2191 Fragment ends here. \u2191\u2191\u2191 -->\n<\/body>\n<\/html>","protected":false},"excerpt":{"rendered":"<p>NPN ve PNP Sens\u00f6r \u00c7\u0131k\u0131\u015flar\u0131: Asl\u0131nda Hangisine \u0130htiyac\u0131n\u0131z Var? Yedek sens\u00f6r \u00e7al\u0131\u015fma tezgah\u0131n\u0131z\u0131n \u00fczerinde duruyor. Ayn\u0131 g\u00f6vde, ayn\u0131 alg\u0131lama mesafesi, ayn\u0131 \u00fc\u00e7 kablo: kahverengi, mavi, siyah; ama makine yine de sens\u00f6r\u00fc alg\u0131lam\u0131yor. Sipari\u015f g\u00f6r\u00fc\u015fmesi s\u0131ras\u0131nda bir soru g\u00f6zden ka\u00e7m\u0131\u015f: NPN mi, PNP mi? Bu, [\u2026]\u2019daki en ucuz hata.<\/p>","protected":false},"author":4,"featured_media":12184,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"NPN vs. PNP Sensors: Key Differences & Wiring","_seopress_titles_desc":"Compare NPN and PNP sensor outputs, wiring and PLC compatibility. Learn how sourcing and sinking signals work and choose the right sensor.","_seopress_robots_index":"","footnotes":""},"categories":[79],"tags":[],"class_list":["post-12178","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\/12178","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=12178"}],"version-history":[{"count":2,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12178\/revisions"}],"predecessor-version":[{"id":12544,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/posts\/12178\/revisions\/12544"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/media\/12184"}],"wp:attachment":[{"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/media?parent=12178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/categories?post=12178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omch.com\/tr\/wp-json\/wp\/v2\/tags?post=12178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}