{"id":4111,"date":"2026-09-09T10:13:06","date_gmt":"2026-09-09T10:13:06","guid":{"rendered":"https:\/\/huyuglobal.com\/?p=4111"},"modified":"2026-09-09T10:13:07","modified_gmt":"2026-09-09T10:13:07","slug":"what-is-n-o-normally-open","status":"publish","type":"post","link":"https:\/\/huyuglobal.com\/tr\/blog\/what-is-n-o-normally-open\/","title":{"rendered":"N\/O (Normalde A\u00e7\u0131k) Nedir?"},"content":{"rendered":"<p>Bu k\u0131lavuz, elektrik \u015femalar\u0131yla deneyimi olan ve r\u00f6le veri sayfalar\u0131n\u0131 okurken veya kontakt\u00f6rlerdeki terminalleri incelerken N\/O veya NO k\u0131saltmas\u0131yla kar\u015f\u0131la\u015fan herkes i\u00e7indir. N\/O, g\u00fcn\u00fcm\u00fczde elektrik m\u00fchendisli\u011finde en yayg\u0131n kullan\u0131lan k\u0131saltmalardan biridir ve kontrol sistemleri, r\u00f6leler, kontakt\u00f6rler, anahtarlar ve g\u00fcvenlik sistemleri yap\u0131m\u0131nda \u00f6nemli bir par\u00e7ad\u0131r. Bu makale, normally open teriminin anlam\u0131n\u0131, N\/O k\u0131saltmas\u0131n\u0131n ba\u011flant\u0131 \u015femalar\u0131nda nas\u0131l temsil edildi\u011fini, hangi \u00fcr\u00fcnlerin N\/O kontaklar\u0131n\u0131 kulland\u0131\u011f\u0131n\u0131, N\/O ile N\/C (normally closed) aras\u0131ndaki fark\u0131 ve N\/O kontaklar\u0131n\u0131n do\u011fru \u015fekilde nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 ve kontrol edilece\u011fini a\u00e7\u0131klamay\u0131 ama\u00e7lamaktad\u0131r.<\/p>\n<blockquote><p>Cevap: N\/O, elektrik terminolojisinde yayg\u0131n olarak kullan\u0131lan bir k\u0131saltmad\u0131r ve normally open terimini ifade eder. Bu terim, \u00e7al\u0131\u015ft\u0131r\u0131lmam\u0131\u015f durumda a\u00e7\u0131k konumda olan bir anahtar\u0131 belirtmek i\u00e7in kullan\u0131l\u0131r, b\u00f6ylece ak\u0131m ge\u00e7i\u015fi olmaz. \u0130lgili devre \u015femas\u0131, kap\u0131s\u0131 aral\u0131k bir kap\u0131ya benzer bir bo\u015fluk i\u00e7eren bir \u00e7izgi ile temsil edilir. Bu anahtar\u0131n durumu, r\u00f6le \u00e7al\u0131\u015ft\u0131\u011f\u0131nda (\u00f6rne\u011fin bobini aktive etmek, bir d\u00fc\u011fmeye basmak, bir \u015famand\u0131ra y\u00fckselmek) de\u011fi\u015fir. N\/O pozisyonunun z\u0131tt\u0131 N\/C pozisyonudur (normally closed), bu da N\/C anahtar\u0131n\u0131n gerekti\u011finde aktive edilmedi\u011fi anlam\u0131na gelir: \u00fczerine i\u015flem yap\u0131lana kadar kapal\u0131 kal\u0131r. N\/O kontak tipleri, bir \u015feyin \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131 veya bildirilmesi istendi\u011finde kullan\u0131l\u0131r. G\u00fcvenlik nedenleriyle N\/O anahtar tipleri genellikle N\/C kontaklar arac\u0131l\u0131\u011f\u0131yla aktive edilir.<\/p><\/blockquote>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4113\" src=\"https:\/\/huyuglobal.com\/wp-content\/uploads\/2026\/09\/What-does-normally-open-actually-mean.webp\" alt=\"&quot;Normalde a\u00e7\u0131k&quot; ger\u00e7ekte ne anlama gelir?\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>\u201cNormally open\u201d asl\u0131nda ne anlama gelir?<\/h2>\n<p>\u201cNormally open\u201d, bir elektrik konta\u011f\u0131n\u0131n veya mekanik anahtar\u0131n dinlenme halindeki durumunu a\u00e7\u0131klar. \u201cNormally\u201d terimi, anahtar\u0131n harekete ge\u00e7irilmeden \u00f6nceki zaman\u0131 ifade eder; yani d\u00fc\u011fmeye bas\u0131lmam\u0131\u015f, anahtar bobini enerjilenmemi\u015f ve su belirli bir seviyeye ula\u015fmam\u0131\u015ft\u0131r. \u201cOpen\u201d terimi ise anahtar\u0131n a\u00e7\u0131k oldu\u011funu, yani kontakt\u00f6rler aras\u0131nda bir hava bo\u015flu\u011fu oldu\u011funu veya ba\u015fka bir deyi\u015fle devrenin kesildi\u011fini ve ak\u0131m\u0131n akmad\u0131\u011f\u0131n\u0131 belirtir.<\/p>\n<p>Bu kavram\u0131 anlaman\u0131n en basit modeli, bir N\/O anahtar\u0131 varsay\u0131lan olarak a\u00e7\u0131k olan ve sadece a\u00e7\u0131k tutuldu\u011funda insanlar\u0131n ge\u00e7mesine izin veren bir kap\u0131 olarak d\u00fc\u015f\u00fcnmektir. D\u00fc\u011fme b\u0131rak\u0131ld\u0131\u011f\u0131 anda kap\u0131 kapan\u0131r ve devre tekrar kesilir. \u201cSprings back\u201d ifadesi bu davran\u0131\u015f\u0131 anlat\u0131r ve kullan\u0131lan cihaz t\u00fcr\u00fc ne olursa olsun \u2013 r\u00f6le, kontakt\u00f6r veya \u00e7ama\u015f\u0131r makinenizdeki bir d\u00fc\u011fme olsun \u2013 anla\u015f\u0131l\u0131r.<\/p>\n<p>Yeni ba\u015flayanlar i\u00e7in k\u0131sa bir not: \u0130nsanlar genellikle bir anahtar\u0131n \u201ca\u00e7\u0131k\u201d veya \u201ckapal\u0131\u201d olabilece\u011fini s\u00f6yler, ancak m\u00fchendislik anlam\u0131nda \u201copen\u201d ve \u201cclosed\u201d terimleri kullan\u0131l\u0131r; bunlar s\u0131ras\u0131yla yolun olmad\u0131\u011f\u0131 ve ak\u0131m\u0131n kesildi\u011fi ile yolun tamamland\u0131\u011f\u0131 durumlar\u0131 tan\u0131mlar.<\/p>\n<h2>Bir devre \u015femas\u0131nda N\/O ne anlama gelir?<\/h2>\n<p>\u00d6zellikle end\u00fcstriyel otomasyonda uygulanan merdiven diyagramlar\u0131nda, N\/O ve N\/C kontaklar kendi standart sembollerine sahiptir ve bu sayede herhangi bir metin olmadan \u015fema okunabilir.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Sembol<\/th>\n<th>Anlam\u0131<\/th>\n<th>Dinlenme durumu<\/th>\n<\/tr>\n<tr>\n<td>\u00c7izgide bir bo\u015fluk: \u2014| |\u2014<\/td>\n<td>Normally open (N\/O) kontak<\/td>\n<td>A\u00e7\u0131k \u2014 tetiklenene kadar ak\u0131m akmaz<\/td>\n<\/tr>\n<tr>\n<td>\u00c7izgi \u00fczerinde bir e\u011fik \u00e7izgi: \u2014|\/|\u2014<\/td>\n<td>Normalde kapal\u0131 (N\/C) kontak<\/td>\n<td>Kapal\u0131 \u2014 tetiklenene kadar ak\u0131m akar<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>N\/O i\u015fareti, ortas\u0131nda bir k\u0131r\u0131k olan bir \u00e7izgidir, yani a\u00e7\u0131lm\u0131\u015f bir k\u00f6pr\u00fcye benzer. Kontrol olay\u0131 ger\u00e7ekle\u015fti\u011finde (merdiven \u00fczerindeki r\u00f6lenin bobini enerjilenir) k\u0131r\u0131k k\u0131r\u0131k olmaktan \u00e7\u0131kar ve bu \u00e7izgi boyunca, bu \u00e7izginin besledi\u011fi herhangi bir \u015feye \u2014 bir motor kontakt\u00f6r\u00fc, bir sinyal lambas\u0131 vb. \u2014 elektrik ak\u0131m\u0131 akmaya ba\u015flar. Merdiven mant\u0131\u011f\u0131nda her kontak, \u201cCR1\u201d olarak etiketlenen kontrol eleman\u0131n\u0131 yans\u0131tan bir isme sahiptir, ancak ayn\u0131 kontrol r\u00f6lesinin diyagramda g\u00f6sterilen birden fazla konta\u011f\u0131 olabilir; baz\u0131lar\u0131 N\/O, baz\u0131lar\u0131 ise N\/C olabilir.<\/p>\n<p>Bu \u00e7izimleri okumak, end\u00fcstriyel kontrol sistemlerini tasarlayan m\u00fchendislerin g\u00fcnl\u00fck i\u015fidir ve temel kavramlar \u2014 bir kontak ne yapar, bobinler ve kontaklar nas\u0131l kilitlenir, bir \u015fema nas\u0131l \u00e7al\u0131\u015fan bir panele d\u00f6n\u00fc\u015f\u00fcr \u2014 imalat ve bina projelerinde kullan\u0131lan elektrik m\u00fchendisli\u011fi hizmetlerini besleyen ayn\u0131 fikirlerdir, ki bunlar\u0131 <a href=\"https:\/\/huyuglobal.com\/tr\/blog\/electrical-engineering-solutions-for-industrial-products\/\">end\u00fcstriyel \u00fcr\u00fcnler i\u00e7in elektrik m\u00fchendisli\u011fi \u00e7\u00f6z\u00fcmleri rehberimizde inceliyoruz<\/a>.<\/p>\n<h2>Elektrik m\u00fchendisli\u011finde N\/O ne anlama gelir?<\/h2>\n<p>Elektrik m\u00fchendisli\u011fi alan\u0131nda, N\/O terimi kontrol davran\u0131\u015f ailesinin tamam\u0131n\u0131 ifade eder. M\u00fchendisler bir r\u00f6lenin N\/O konta\u011f\u0131 oldu\u011funu s\u00f6ylediklerinde, r\u00f6lenin \u00e7\u0131k\u0131\u015f konta\u011f\u0131n\u0131n ak\u0131m kapal\u0131yken \u2018a\u00e7\u0131k\u2019 durumda oldu\u011funu ve ak\u0131m a\u00e7\u0131kken kapand\u0131\u011f\u0131n\u0131 belirtirler. Kontak terimi r\u00f6lenin \u2018\u00e7\u0131k\u0131\u015f\u2019 taraf\u0131n\u0131; bobin terimi ise \u2018giri\u015f\u2019 taraf\u0131n\u0131 ifade eder. \u2018Giri\u015fin \u00e7\u0131k\u0131\u015f\u0131 kontrol etmesi\u2019 kavram\u0131, iki kontrol aras\u0131nda elektriksel izolasyon sa\u011flayan r\u00f6le mant\u0131\u011f\u0131 ve otomasyonun \u00f6z\u00fcd\u00fcr.<\/p>\n<p>Bu fikrin pratik uygulamalar\u0131ndan bahsetmek gerekir \u00e7\u00fcnk\u00fc tasar\u0131m kararlar\u0131n\u0131 etkiler:<\/p>\n<ul>\n<li>N\/O kontaklar, \u201ckomutla bir \u015fey yap\u201d i\u00e7in bir numaral\u0131 se\u00e7enektir. Bir motoru ba\u015flatmak, bir solenoidi a\u00e7mak, bir alarm\u0131 sinyal vermek ve bir devreyi kilitlemek i\u00e7in kullan\u0131l\u0131r.<\/li>\n<li>N\/C kontaklar ise bir s\u00fcreci \u00e7al\u0131\u015ft\u0131rmak i\u00e7in ilk se\u00e7enektir: Bir fan\u0131 s\u0131cakl\u0131k anahtar\u0131 a\u00e7\u0131lana kadar \u00e7al\u0131\u015ft\u0131rmak, bir koruyucu \u00e7\u0131kar\u0131lana kadar bir makinenin kullan\u0131lmas\u0131na izin vermek ve sistem normal \u00e7al\u0131\u015fana kadar bir alarm\u0131 etkinle\u015ftirmek i\u00e7in kullan\u0131l\u0131r.<\/li>\n<li>Ar\u0131za g\u00fcvenli\u011fi mant\u0131\u011f\u0131nda, N\/C devresi kullan\u0131lmal\u0131d\u0131r. Bir g\u00fcvenlik devresi N\/C \u00fczerinden ba\u011flan\u0131rsa, kablo kopmas\u0131 durumunda bobin enerjisi kesilir ve makine durur. Sistem g\u00fcvenli olur. N\/O kablolar\u0131, kablo kopmas\u0131 durumunda \u201ckomut al\u0131nmad\u0131\u201d gibi g\u00f6r\u00fcnerek makinenin \u00e7al\u0131\u015fmas\u0131na yol a\u00e7an riskli durumlara neden olur.<\/li>\n<\/ul>\n<p>Bu devrelerle \u00e7al\u0131\u015f\u0131rken voltaj ba\u011flam\u0131 \u00f6nemlidir. Kuzey Amerika ticari ve end\u00fcstriyel panellerindeki kontrol devreleri genellikle tek kutuplu bir kesici taraf\u0131ndan sa\u011flanan 120 V AC ile \u00e7al\u0131\u015f\u0131rken, daha a\u011f\u0131r \u00fc\u00e7 fazl\u0131 kontrol ve da\u011f\u0131t\u0131m sistemleri daha y\u00fcksek voltajlarda \u00e7al\u0131\u015f\u0131r \u2014 ve d\u00fc\u015f\u00fck voltaj kontrol kablolamas\u0131 ile y\u00fcksek voltaj g\u00fc\u00e7 kablolamas\u0131 aras\u0131ndaki fark, her teknisyenin bir panele dokunmadan \u00f6nce sayg\u0131 g\u00f6stermesi gereken bir ayr\u0131md\u0131r, ki bu bizim <a href=\"https:\/\/huyuglobal.com\/tr\/blog\/the-difference-between-high-voltage-and-low-voltage\/\">y\u00fcksek voltaj vs d\u00fc\u015f\u00fck voltaj rehberi<\/a>.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4114\" src=\"https:\/\/huyuglobal.com\/wp-content\/uploads\/2026\/09\/What-kinds-of-products-use-N-O-contacts.webp\" alt=\"N\/O kontaklar hangi t\u00fcr \u00fcr\u00fcnlerde kullan\u0131l\u0131r?\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>N\/O kontaklar hangi t\u00fcr \u00fcr\u00fcnlerde kullan\u0131l\u0131r?<\/h2>\n<p>Normalde a\u00e7\u0131k kontaklar, daha \u00f6nce g\u00f6r\u00fclen \u00e7o\u011fu elektronik kontroll\u00fc ekipmanda mevcuttur. \u0130\u015fte \u00e7e\u015fitli akt\u00fcat\u00f6r t\u00fcrlerini i\u00e7eren \u00fc\u00e7 ana ekipman kategorisi.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Cihaz<\/th>\n<th>N\/O konta\u011f\u0131 ne tetikler<\/th>\n<th>Tipik N\/O kullan\u0131m\u0131<\/th>\n<\/tr>\n<tr>\n<td>R\u00f6le<\/td>\n<td>Enerjilendirilmi\u015f bobin<\/td>\n<td>Kontrol sinyallerinin anahtarlanmas\u0131; kilitleme devreleri<\/td>\n<\/tr>\n<tr>\n<td>Kontak<\/td>\n<td>Enerjilendirilmi\u015f bobin<\/td>\n<td>Motor ve \u0131s\u0131tma y\u00fcklerinin komutla anahtarlanmas\u0131<\/td>\n<\/tr>\n<tr>\n<td>Buton (ba\u015flat)<\/td>\n<td>Parmak bas\u0131m\u0131<\/td>\n<td>Makinelerde, kap\u0131larda, zil d\u00fc\u011fmelerinde ba\u015flatma butonlar\u0131<\/td>\n<\/tr>\n<tr>\n<td>Limit \u015falteri<\/td>\n<td>Hareketli bir par\u00e7an\u0131n vurdu\u011fu mekanik kol veya makara<\/td>\n<td>Seyahat sonu alg\u0131lama, varl\u0131k alg\u0131lama<\/td>\n<\/tr>\n<tr>\n<td>\u015eamand\u0131ra \u015falteri<\/td>\n<td>Y\u00fckselen veya d\u00fc\u015fen s\u0131v\u0131 seviyesi<\/td>\n<td>Tank d\u00fc\u015f\u00fck oldu\u011funda pompa ba\u015flatma \/ y\u00fcksek seviye alarmlar\u0131<\/td>\n<\/tr>\n<tr>\n<td>Termostat \/ s\u0131cakl\u0131k \u015falteri<\/td>\n<td>S\u0131cakl\u0131k de\u011fi\u015fimi<\/td>\n<td>Is\u0131t\u0131c\u0131 veya fan a\u00e7ma\/kapatma kontrol\u00fc<\/td>\n<\/tr>\n<tr>\n<td>Bas\u0131n\u00e7 \u015falteri<\/td>\n<td>Y\u00fckselen veya d\u00fc\u015fen bas\u0131n\u00e7<\/td>\n<td>Kompres\u00f6r ba\u015flatma\/durdurma, d\u00fc\u015f\u00fck bas\u0131n\u00e7 alarmlar\u0131<\/td>\n<\/tr>\n<tr>\n<td>Yak\u0131nl\u0131k sens\u00f6r\u00fc \u00e7\u0131k\u0131\u015f\u0131<\/td>\n<td>Nesnenin alg\u0131lama alan\u0131na girmesi<\/td>\n<td>Otomasyonda sayma, konum tespiti<\/td>\n<\/tr>\n<tr>\n<td>Bir kesici veya kontakt\u00f6rde yard\u0131mc\u0131 kontak<\/td>\n<td>Ana cihaz\u0131n \u00e7al\u0131\u015fmas\u0131<\/td>\n<td>Durum geri bildirimi: \u201ckesici a\u00e7\u0131k,\u201d \u201ckontakt\u00f6r \u00e7ekildi\u201d<\/td>\n<\/tr>\n<tr>\n<td>Kap\u0131 zili butonu<\/td>\n<td>Parmak bas\u0131m\u0131<\/td>\n<td>Herkesin bildi\u011fi g\u00fcnl\u00fck N\/A cihaz\u0131<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>N\/A kavram\u0131n\u0131n nas\u0131l kullan\u0131ld\u0131\u011f\u0131n\u0131 g\u00f6sterdi\u011fi i\u00e7in bahsetmeye de\u011fer iki nokta vard\u0131r. \u0130lk olarak, devre kesicilerin yard\u0131mc\u0131 kontaklar\u0131 kontrol sistemine devre kesicinin durumunu bildirir. Yard\u0131mc\u0131 kontak, kesici at\u0131nca ya kapan\u0131r ya da a\u00e7\u0131l\u0131r ve PLC\u2019ye veya alarma bir sinyal g\u00f6nderir. Bu nedenle, end\u00fcstriyel panellerde do\u011fru koruma ailesini se\u00e7mek \u00f6nemlidir ve bizim <a href=\"https:\/\/huyuglobal.com\/tr\/blog\/rccb-vs-rcbo\/\">RCCB ve RCBO rehberi<\/a> bu kontaklar\u0131n rapor etti\u011fi cihazlar\u0131n i\u00e7 durumlar\u0131n\u0131 a\u00e7\u0131klar.<\/p>\n<p>Di\u011fer \u00f6nemli bir nokta ise r\u00f6leler, kontakt\u00f6rler ve devre kesiciler pazar\u0131n\u0131n olduk\u00e7a k\u00fcresel oldu\u011fudur. Bir proje sertifikal\u0131 kontrollerin kullan\u0131lmas\u0131n\u0131 gerektiriyorsa, bu sertifikasyon standartlar\u0131n\u0131n bir kurulum garantisi sa\u011flad\u0131\u011f\u0131 anlam\u0131na gelir. Kontrol devrelerinizle ayn\u0131 panellerde kullan\u0131lan kesiciler i\u00e7in, UL 489 standard\u0131 Kuzey Amerika \u00f6l\u00e7\u00fct\u00fcd\u00fcr ve bizim <a href=\"https:\/\/huyuglobal.com\/tr\/blog\/what-is-ul-489-breakers\/\">UL 489 kesici rehberi<\/a> sertifikasyonun ger\u00e7ekte neyi garanti etti\u011fini a\u00e7\u0131klar.<\/p>\n<p>G\u00fcnl\u00fck dilde, ev devrelerinde oldu\u011fu gibi \u201ca\u00e7\u0131k\/kapal\u0131\u201d kelimelerini kullan\u0131r\u0131z; burada anahtarlar ya mekanik olarak a\u00e7\u0131l\u0131r\/kapan\u0131r ya da parma\u011f\u0131n\u0131zla a\u00e7\u0131l\u0131p kapat\u0131l\u0131r. Bu terminolojinin evdeki ger\u00e7ek kablolama cihazlar\u0131na nas\u0131l uyguland\u0131\u011f\u0131n\u0131 g\u00f6rmek isterseniz, kablolama cihaz\u0131 \u00fcreticisi igotoele\u2019nin anahtar t\u00fcrleri k\u0131lavuzu, ayn\u0131 N\/A ve N\/K mant\u0131\u011f\u0131yla g\u00fcnl\u00fck donan\u0131m\u0131 anlat\u0131r: <a href=\"https:\/\/igotoele.com\/blog\/different-kinds-of-switches-in-electrical\/\" target=\"_blank\" rel=\"noopener\">farkl\u0131 t\u00fcrde elektrik anahtarlar\u0131 a\u00e7\u0131klamas\u0131<\/a>.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4115\" src=\"https:\/\/huyuglobal.com\/wp-content\/uploads\/2026\/09\/NO-vs-NC-what-is-the-difference.webp\" alt=\"N\/O ve N\/C: fark nedir?\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>N\/A ve N\/K: fark nedir?<\/h2>\n<p>N\/A ve N\/K aras\u0131ndaki fark, anahtar\u0131n hi\u00e7bir \u015fey yap\u0131lmad\u0131\u011f\u0131nda hangi durumda dinlenme halinde oldu\u011funa dayan\u0131r:<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>N\/A (Normalde A\u00e7\u0131k)<\/th>\n<th>N\/K (Normalde Kapal\u0131)<\/th>\n<\/tr>\n<tr>\n<td>Dinlenme durumu<\/td>\n<td>A\u00e7\u0131k \u2014 ak\u0131m akmaz<\/td>\n<td>Kapal\u0131 \u2014 ak\u0131m akar<\/td>\n<\/tr>\n<tr>\n<td>Tetiklendi\u011finde<\/td>\n<td>Kapan\u0131r \u2014 ak\u0131m akmaya ba\u015flar<\/td>\n<td>A\u00e7\u0131l\u0131r \u2014 ak\u0131m durur<\/td>\n<\/tr>\n<tr>\n<td>Sembol \u00e7izimi<\/td>\n<td>\u00c7izgide bo\u015fluk<\/td>\n<td>\u00c7izgide \u00e7izgi<\/td>\n<\/tr>\n<tr>\n<td>Zihinsel model<\/td>\n<td>Kap\u0131 sadece bas\u0131l\u0131 tutuldu\u011funda kapal\u0131 kal\u0131r<\/td>\n<td>Kap\u0131 sadece bas\u0131l\u0131 tutuldu\u011funda a\u00e7\u0131k kal\u0131r<\/td>\n<\/tr>\n<tr>\n<td>Tipik Kullan\u0131m<\/td>\n<td>Ba\u015flatma sinyalleri, komutlar, \u201ca\u00e7\u0131k\u201d fonksiyonlar\u0131<\/td>\n<td>Durdurma devreleri, koruyucular, alarmlar, kilitlemeler<\/td>\n<\/tr>\n<tr>\n<td>Kablo koparsa ar\u0131za davran\u0131\u015f\u0131<\/td>\n<td>Devre kapal\u0131 kal\u0131r \u2014 ba\u015flat\u0131lamayabilir<\/td>\n<td>Devre a\u00e7\u0131l\u0131r \u2014 g\u00fcvenli duru\u015fa ge\u00e7er<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Bir\u00e7ok cihaz hem N\/A hem de N\/K kontaklara sahiptir. \u00d6rne\u011fin, bir r\u00f6lede, dinlenme durumunda hareketli b\u0131\u00e7ak N\/K taraf\u0131ndaki sabit terminale temas eder ve enerjilendi\u011finde N\/A taraf\u0131na ge\u00e7er. Tek kutuplu \u00e7ift at\u0131\u015f d\u00fczeni nedeniyle, r\u00f6le soketleri C, N\/A ve N\/K terminalleri ile yap\u0131l\u0131r. Kontrol devresi olu\u015fturulurken, m\u00fchendisler mant\u0131ksal gereksinimlerine g\u00f6re uygun taraf\u0131 se\u00e7er ve ayn\u0131 cihaz\u0131n her iki taraf\u0131n\u0131 farkl\u0131 kademelerde s\u0131k\u00e7a kullan\u0131rlar.<\/p>\n<p>Kapal\u0131 durumun varsay\u0131lan olmas\u0131 gereken her durumda, ister acil durdurma, koruma kilitleri, a\u015f\u0131r\u0131 s\u0131cakl\u0131k tripleri veya d\u00fc\u015f\u00fck seviye kesiciler olsun, m\u00fchendisler tel kopmas\u0131 veya sistem enerjisiz kald\u0131\u011f\u0131nda makinenin durmas\u0131 i\u00e7in N\/K kontak y\u00f6ntemini kullan\u0131r. Bir devre tasarl\u0131yorsan\u0131z ve g\u00fcvenlik uygulamalar\u0131nda N\/A kontak kullanmay\u0131 d\u00fc\u015f\u00fcn\u00fcyorsan\u0131z, oraya giden telin kesilmesi durumunda ne olaca\u011f\u0131n\u0131 d\u00fc\u015f\u00fcnmek i\u00e7in durup tekrar d\u00fc\u015f\u00fcnmeniz daha iyidir.<\/p>\n<h2>N\/A kontak nas\u0131l test edilir?<\/h2>\n<p>Bir multimetre yard\u0131m\u0131yla, s\u00fcreklili\u011fi (veya direnci) \u00f6l\u00e7mek i\u00e7in ayarlanm\u0131\u015f olarak, N\/A kontak durumunu kontrol etmek olduk\u00e7a basittir; bu, kontak devreye girmedi\u011finde durumunu ve o anki performans\u0131n\u0131 belirlemeye yard\u0131mc\u0131 olur:<\/p>\n<ul>\n<li>G\u00fc\u00e7 kayna\u011f\u0131n\u0131 \u015febekeden kesin ve konta\u011f\u0131n canl\u0131 bir devreye ba\u011fl\u0131 olmad\u0131\u011f\u0131ndan emin olun.<\/li>\n<li>Konta\u011f\u0131n her terminaline bir problar yerle\u015ftirin. N\/A kontak, dinlenme pozisyonunda s\u00fcreklilik g\u00f6stermemelidir (sonsuz diren\u00e7), yani kontak terminalleri ayr\u0131d\u0131r.<\/li>\n<li>Cihaz\u0131 etkinle\u015ftirin. Gerekli d\u00fc\u011fmeye bas\u0131n veya r\u00f6le bobinine nominal voltaj uygulay\u0131n, \u015famand\u0131ra veya limit kolunu etkinle\u015ftirin. Multimetre tekrar bip sesi vermeli (\u00e7ok d\u00fc\u015f\u00fck diren\u00e7 g\u00f6stererek), konta\u011f\u0131n kapand\u0131\u011f\u0131n\u0131 do\u011frulamal\u0131d\u0131r.<\/li>\n<li>\u0130\u015flemi b\u0131rak\u0131n ve multimetre tekrar kontak s\u00fcreklili\u011fini g\u00f6stermemelidir.<\/li>\n<\/ul>\n<p>N\/A kontak devreye girmedi\u011finde s\u00fcreklilik g\u00f6steriyor veya etkinle\u015ftirildi\u011finde s\u00fcreklilik g\u00f6stermiyorsa, kaynaklanm\u0131\u015f, yanm\u0131\u015f veya s\u0131k\u0131\u015fm\u0131\u015f pozisyondad\u0131r ve tamir edilmek yerine de\u011fi\u015ftirilmelidir. N\/K kontaklarda ayn\u0131 test z\u0131t sonu\u00e7lar verir: devreye girmedi\u011finde s\u00fcreklilik ve etkinle\u015ftirildi\u011finde a\u00e7\u0131k devre.<\/p>\n<h2>N\/A ba\u015fka hangi terimlerle adland\u0131r\u0131l\u0131r?<\/h2>\n<p>N\/A kavram\u0131 bir\u00e7ok end\u00fcstride yayg\u0131nd\u0131r; bu nedenle ayn\u0131 kavram\u0131 farkl\u0131 \u015fekillerde g\u00f6receksiniz:<\/p>\n<ul>\n<li>Form A kontak \u2014 Bu, bir r\u00f6lenin N\/A konta\u011f\u0131n\u0131 ifade eden bir r\u00f6le b\u00f6l\u00fcm\u00fc terimidir.<\/li>\n<li>Form B kontak \u2014 Bu, N\/K kontaklar i\u00e7in kullan\u0131lan bir terimdir.<\/li>\n<li>Form C kontak \u2014 Bu, de\u011fi\u015ftirici (SPDT) kontaklar\u0131 ifade eder.<\/li>\n<li>SPST-NO anahtar \u2014 Bu, normalde a\u00e7\u0131k devreye sahip Tek Kutup Tek At\u0131\u015f r\u00f6lesini belirtir.<\/li>\n<li>Temas kurmak \u2014 Kontrol sistemlerinde N\/O temas\u0131na \u201cdevre kurma\u201d olarak at\u0131fta bulunan eski bir terim.\u201d<\/li>\n<li>Cihazlarda bas\u0131l\u0131 NO \/ NC \u2014 Elektrik cihazlar\u0131n\u0131n N\/O veya N\/C temaslar\u0131 i\u00e7erdi\u011fini belirtmek i\u00e7in genellikle \u2018NO\/ NC\u2019 damgas\u0131n\u0131 g\u00f6r\u00fcr\u00fcz.<\/li>\n<\/ul>\n<p>Ak\u0131lda tutulmas\u0131 gereken, N\/O\u2019nun bir cihaz de\u011fil, bir temas\u0131 temsil etti\u011fidir. Bir kap\u0131 zili basit\u00e7e \u201cN\/O cihaz\u0131\u201d olarak adland\u0131r\u0131lmaz, \u00e7\u00fcnk\u00fc daha spesifik olarak N\/O temas\u0131ndan olu\u015fan bir cihaz olarak tan\u0131mlan\u0131r. Ancak, \u201ckuru temas\u201d bu duruma bir istisna olarak tan\u0131mlanabilir.<\/p>\n<h2>SSS<\/h2>\n<h3>\u201cNormalde a\u00e7\u0131k\u201d ne anlama gelir?<\/h3>\n<p>Teknik kullan\u0131mda, normalde a\u00e7\u0131k veya N\/O, tetiklenmedi\u011fi s\u00fcrece s\u00fcrekli a\u00e7\u0131k durumda olan bir anahtar veya temas\u0131 tan\u0131mlar. Bu, elektrik cihazlar\u0131na at\u0131fta bulunur ve bir anahtar etkinle\u015ftirildi\u011finde devreden ak\u0131m\u0131n ge\u00e7mesine izin verir, anahtar serbest b\u0131rak\u0131ld\u0131\u011f\u0131nda tekrar a\u00e7\u0131k konuma d\u00f6ner. Normalde a\u00e7\u0131k temaslar, anahtar mekanizmas\u0131 taraf\u0131ndan kapat\u0131lmad\u0131k\u00e7a veya serbest b\u0131rak\u0131lmad\u0131k\u00e7a her zaman aktif olan normalde kapal\u0131 temaslarla birlikte bulunabilir.<\/p>\n<h3>Elektrik terimleriyle NO nedir?<\/h3>\n<p>NO, normalde a\u00e7\u0131k anlam\u0131na gelir. Basit\u00e7e, her zaman hareketsiz pozisyonda bulunan ve ancak tetiklendi\u011finde devrenin tamamlanabilece\u011fi normalde a\u00e7\u0131k bir temas\u0131 tan\u0131mlar. Bu nedenle, bir elektrik\u00e7i NO etiketi ta\u015f\u0131yan bir terminalle kar\u015f\u0131la\u015ft\u0131\u011f\u0131nda, terminalin sistem \u00e7al\u0131\u015f\u0131rken kapanan bir anahtara ba\u011fland\u0131\u011f\u0131n\u0131 anlar.<\/p>\n<h3>Ortak terminal nedir?<\/h3>\n<p>En basit \u015fekilde tan\u0131mlamak gerekirse, ortak terminal, COM veya C olarak k\u0131salt\u0131l\u0131r ve bir de\u011fi\u015ftirici anahtar\u0131n normalde a\u00e7\u0131k ve normalde kapal\u0131 temaslar\u0131yla ba\u011flant\u0131 kuran terminali ifade eder. Normal temas\u0131 etkinle\u015ftiren bobinin enerjilendirilme durumunu de\u011fi\u015ftirerek, ortak terminal ya elektrik a\u00e7\u0131kken devreyi normalde a\u00e7\u0131k temaslarla ya da elektrik kapal\u0131yken normalde kapal\u0131 temaslarla ba\u011flar.<\/p>\n<h3>Normalde kapal\u0131 temas tipi ne anlama gelir?<\/h3>\n<p>Normalde kapal\u0131, N\/C olarak k\u0131salt\u0131l\u0131r ve elektrik devresinin tamamland\u0131\u011f\u0131n\u0131 ve elektrik ak\u0131m\u0131n\u0131n kesilmedi\u011fi s\u00fcrece akt\u0131\u011f\u0131n\u0131 ifade eder. N\/C temaslar, durdurma d\u00fc\u011fmeleri, kilitlemeler ve alarmlar gibi cihazlarda kullan\u0131l\u0131r \u00e7\u00fcnk\u00fc sistem, tellerden elektrik ge\u00e7tik\u00e7e aktiftir.<\/p>\n<h2>Referanslar<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.eaton.com\/\" rel=\"nofollow noopener\" target=\"_blank\">Eaton \u2014 End\u00fcstriyel Kontrol ve R\u00f6le Temelleri<\/a><\/li>\n<li><a href=\"https:\/\/www.rockwellautomation.com\/\" rel=\"nofollow noopener\" target=\"_blank\">Rockwell Automation \u2014 Merdiven Mant\u0131\u011f\u0131 ve Temas Temelleri<\/a><\/li>\n<li><a href=\"https:\/\/www.ia.omron.com\/\" rel=\"nofollow noopener\" target=\"_blank\">Omron \u2014 Teknik K\u0131lavuz: R\u00f6le ve Anahtar Temaslar\u0131<\/a><\/li>\n<\/ul>\n<h2>Sonu\u00e7<\/h2>\n<p>N\/O, elektrik kontrol\u00fcn\u00fcn nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 a\u00e7\u0131klayan k\u00fc\u00e7\u00fck k\u0131saltmalardan biridir. Genellikle a\u00e7\u0131k kalan ancak gerekti\u011finde kapanan bir konta\u011f\u0131 ifade eder. Bu, bast\u0131\u011f\u0131n\u0131z ba\u015flatma d\u00fc\u011fmesi, r\u00f6le konta\u011f\u0131, tank bo\u015f oldu\u011funda pompay\u0131 aktive eden seviye \u015falteri ve devre kesicinin at\u0131ld\u0131\u011f\u0131n\u0131 bildiren yard\u0131mc\u0131 konta\u011f\u0131 ifade edebilir. Diyagramlarda, \u00e7izgide k\u00fc\u00e7\u00fck bir bo\u015fluk olarak g\u00f6sterilir ve mant\u0131k terimleriyle \u201cbir \u015feyi ger\u00e7ekle\u015fmesini sa\u011flamak\u201d anlam\u0131na gelir; bu, genellikle kapal\u0131 kalan ve gerekti\u011finde a\u00e7\u0131lan N\/C k\u0131saltmas\u0131n\u0131n tersidir. N\/O kontaklar s\u00fcreklilik testi yap\u0131labilirken, farkl\u0131 teknik isimlerini (Form A, SPST-NO) hat\u0131rlamak daha iyidir. Ana tavsiye, yaralanma veya hasar riski oldu\u011funda devrenin N\/O kontaklar yerine N\/C kontaklar \u00fczerinden yap\u0131lmas\u0131 kural\u0131n\u0131 unutmamakt\u0131r. Kontrol g\u00fcc\u00fc ile i\u015fletme s\u00fcreci i\u00e7in gereken g\u00fcc\u00fcn farkl\u0131 koruma t\u00fcrleri gerektirdi\u011fi dikkate al\u0131nmal\u0131d\u0131r. Tek kutuplu kesici ile \u00e7ift kutuplu kesici kullan\u0131m\u0131 hakk\u0131nda bilgi, bu web sitesinin ilgili b\u00f6l\u00fcm\u00fcnde bulunabilir.<\/p>","protected":false},"excerpt":{"rendered":"<p>This guide is meant for anyone who have had experience with electrical schematics and has encountered the abbreviation N\/O, or NO, when reading relay datasheets or examining terminals on contactors. N\/O is one of the most widely used abbreviations in electrical engineering today, as well as an important part of making control systems, relays, contactors, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4116,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-4111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/posts\/4111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/comments?post=4111"}],"version-history":[{"count":3,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/posts\/4111\/revisions"}],"predecessor-version":[{"id":4123,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/posts\/4111\/revisions\/4123"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/media\/4116"}],"wp:attachment":[{"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/media?parent=4111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/categories?post=4111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/tags?post=4111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}