{"id":7433,"date":"2026-07-20T09:28:00","date_gmt":"2026-07-20T09:28:00","guid":{"rendered":"https:\/\/www.simplybuyglobal.com\/?p=7433"},"modified":"2026-08-04T09:28:50","modified_gmt":"2026-08-04T09:28:50","slug":"4-20ma-pressure-transmitter-wiring-guide","status":"publish","type":"post","link":"https:\/\/www.simplybuyglobal.com\/tr\/blog\/sensor\/4-20ma-pressure-transmitter-wiring-guide\/","title":{"rendered":"4-20mA Bas\u0131n\u00e7 Transmitteri Ba\u011flant\u0131 K\u0131lavuzu: 2 Kablolu, 3 Kablolu ve 4 Kablolu Ba\u011flant\u0131lar\u0131n A\u00e7\u0131klamas\u0131"},"content":{"rendered":"

End\u00fcstriyel bir bas\u0131n\u00e7 transmitteri olan 4-20mA sistemi, bas\u0131n\u00e7 okumalar\u0131n\u0131 mesafeye iletmek i\u00e7in ak\u0131m d\u00f6ng\u00fcs\u00fcnden yararlan\u0131r. Do\u011fruluk kayb\u0131n\u0131 \u00f6nlemek i\u00e7in d\u00fcz voltaj sinyali yerine bu y\u00f6ntemi tercih eder. Ak\u0131m d\u00f6ng\u00fcleri, fabrika makinelerinden kaynaklanan elektriksel g\u00fcr\u00fclt\u00fcy\u00fc ortadan kald\u0131rarak, sens\u00f6r\u00fcn kontrol odas\u0131ndan ne kadar uzakta oldu\u011funa bak\u0131lmaks\u0131z\u0131n kontrol panelinin temiz veriler almas\u0131n\u0131 sa\u011flar.<\/p>\n\n\n\n

Ger\u00e7ek D\u00fcnyada 4-20mA Ak\u0131m D\u00f6ng\u00fcs\u00fc Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/strong><\/h2>\n\n\n\n


Boru hatt\u0131 bas\u0131nc\u0131n\u0131 izlerken sens\u00f6r kablolar\u0131 genellikle kaynak ekipmanlar\u0131n\u0131n ve y\u00fcksek voltajl\u0131 motor kablolar\u0131n\u0131n yan\u0131ndan ge\u00e7er. Bu mesafeye 0,10V'luk bir sinyal g\u00f6nderirseniz, kablonun i\u00e7 direnci, kontrol odas\u0131na ula\u015fmadan \u00f6nce voltaj\u0131 d\u00fc\u015f\u00fcr\u00fcr. Bu nedenle, 5V'luk bir okuma ekranda 4,7V olarak g\u00f6r\u00fcnebilir. Yak\u0131ndaki manyetik alanlar\u0131n hatta statik elektrik enjekte etmesi de durumu daha da bozabilir.<\/p>\n\n\n\n


Bir ak\u0131m d\u00f6ng\u00fcs\u00fc, telden hassas bir ak\u0131m ge\u00e7irerek bu sorunu a\u015far. Bu, 4mA (s\u0131f\u0131r bas\u0131n\u00e7) ile 2mA (tam \u00f6l\u00e7ekli bas\u0131n\u00e7) aras\u0131nda bir de\u011fer olabilir. Ak\u0131m devrenin her noktas\u0131nda sabit kald\u0131\u011f\u0131 i\u00e7in, kontrol\u00f6r sens\u00f6r\u00fcn ne kadar uzakta oldu\u011funa bak\u0131lmaks\u0131z\u0131n ayn\u0131 de\u011feri okur.<\/p>\n\n\n

\n
\"S\u00fcre\u00e7<\/figure>\n<\/div>\n\n\n

Bu k\u0131sm\u0131 anlad\u0131ktan sonraki ad\u0131m, fiziksel kablolamay\u0131 do\u011fru yapmakt\u0131r. Kabloyu d\u00f6\u015femeden \u00f6nce net bir 4-20mA bas\u0131n\u00e7 transmitteri kablolama \u015femas\u0131 bulmak, giri\u015f kart\u0131n\u0131n yanmas\u0131n\u0131 veya topraklama d\u00f6ng\u00fcs\u00fc olu\u015fmas\u0131n\u0131 \u00f6nleyebilir.<\/p>\n\n\n\n

2 Telli D\u00f6ng\u00fc: G\u00fc\u00e7 ve Sinyal Ayn\u0131 Hatlarda<\/strong><\/h2>\n\n\n\n

\u0130ki telli bir ba\u011flant\u0131, \u00f6l\u00e7\u00fcm cihaz\u0131 kablolamas\u0131 a\u00e7\u0131s\u0131ndan olabildi\u011fince basittir. Ayn\u0131 tel \u00e7ifti iki g\u00f6revi birden yerine getirir: sens\u00f6re 24V DC g\u00fc\u00e7 ta\u015f\u0131r ve 4-20mA sinyalini panele geri getirir.<\/p>\n\n\n\n

Bu 2 telli 4-20mA ba\u011flant\u0131 \u015femas\u0131, bunun sahada nas\u0131l i\u015fledi\u011fini g\u00f6stermektedir.<\/p>\n\n\n

\n
\"Proses<\/figure>\n<\/div>\n\n\n

G\u00fc\u00e7 kayna\u011f\u0131ndan gelen pozitif u\u00e7, sens\u00f6r\u00fcn pozitif terminaline do\u011frudan ba\u011flan\u0131r. Ard\u0131ndan, sens\u00f6r\u00fcn negatif terminali, PLC'nin analog giri\u015finden ge\u00e7erek tekrar topra\u011fa ba\u011flan\u0131r. Ek bir kablo kullan\u0131lmad\u0131\u011f\u0131 i\u00e7in bu y\u00f6ntem kurulum a\u00e7\u0131s\u0131ndan ucuz kabul edilir.<\/p>\n\n\n\n

Terminal blo\u011funda \u00fc\u00e7 ba\u011flant\u0131 vard\u0131r: 24V g\u00fc\u00e7 kayna\u011f\u0131n\u0131n pozitif terminali (V+) vericinin pozitif terminaline (L+), vericinin negatif terminali (L-) PLC kart\u0131n\u0131n pozitif terminaline (AI+) ve PLC kart\u0131n\u0131n negatif terminali (AI-) tekrar g\u00fc\u00e7 kayna\u011f\u0131n\u0131n negatif ortak terminaline (V-) ba\u011flanarak devre tamamlan\u0131r.<\/p>\n\n\n\n

3 Kablolu ve 4 Kablolu Konfig\u00fcrasyonlar: Daha Parlak Ekranlar\u0131n Y\u00f6netimi<\/strong><\/h2>\n\n\n\n

Bazen bir sens\u00f6r, genellikle parlak bir ekrana sahip olmas\u0131 veya \u00fcnitede yerel i\u015flem yapmas\u0131 nedeniyle, temel 4mA'lik bir g\u00fc\u00e7 kayna\u011f\u0131n\u0131n sa\u011flayabilece\u011finden daha fazla g\u00fcce ihtiya\u00e7 duyar. Bu durumda, iki yerine \u00fc\u00e7 veya d\u00f6rt kabloya ihtiyac\u0131n\u0131z olacakt\u0131r.<\/p>\n\n\n

\n
\"3<\/figure>\n<\/div>\n\n
\n
\"4<\/figure>\n<\/div>\n\n\n

\u00dc\u00e7 telli bir d\u00fczenek, g\u00fc\u00e7 ve sinyal aras\u0131nda ortak bir topraklama noktas\u0131 payla\u015f\u0131r. \u00d6zel bir g\u00fc\u00e7 kablosu ve ortak kablo, sens\u00f6r\u00fcn ekran\u0131n\u0131 ve elektronik aksam\u0131n\u0131 \u00e7al\u0131\u015f\u0131r durumda tutarken, \u00fc\u00e7\u00fcnc\u00fc bir kablo ayn\u0131 ortak noktay\u0131 referans alarak 4-20mA sinyalini PLC'ye ta\u015f\u0131r ve d\u00f6ng\u00fcy\u00fc tamamlar. Terminal blo\u011funda: g\u00fc\u00e7 pozitif (V+) sens\u00f6r\u00fcn g\u00fc\u00e7 giri\u015fine (Vcc), g\u00fc\u00e7 negatif (V-) sens\u00f6r\u00fcn topraklamas\u0131na (GND) ve bu GND'den PLC'nin negatif ortak noktas\u0131na (AI-) bir jumper ba\u011flan\u0131r. Sens\u00f6r\u00fcn sinyal \u00e7\u0131k\u0131\u015f\u0131 do\u011frudan PLC'nin pozitif giri\u015fine (AI+) gider.<\/p>\n\n\n\n

D\u00f6rt telli bir d\u00fczenek, g\u00fcc\u00fc sinyalden tamamen ayr\u0131 tutar. \u0130ki tel yaln\u0131zca g\u00fcc\u00fc (24V DC veya 110\/220V AC) ta\u015f\u0131rken, di\u011fer iki tel izole kal\u0131r ve 4-20mA okumas\u0131na ayr\u0131l\u0131r, b\u00f6ylece y\u00fcksek voltaj dalgalanmalar\u0131 kontrol elektroni\u011finden uzak tutulur. Harici besleme hatlar\u0131 sens\u00f6r\u00fcn g\u00fc\u00e7 terminallerine ba\u011flan\u0131r ve sens\u00f6r\u00fcn sinyal+ ve sinyal- terminalleri, g\u00fc\u00e7 taraf\u0131ndaki ortak topraklama tellerinden uzakta tutularak do\u011frudan PLC'nin AI+ ve AI- terminallerine ba\u011flan\u0131r.<\/p>\n\n\n\n

\u00c7o\u011fu d\u00f6ng\u00fc problemi birka\u00e7 nedenden kaynaklan\u0131r: tek u\u00e7 yerine her iki ucundan topraklanm\u0131\u015f bir kalkan, temiz bir sinyali bozan bir toprak d\u00f6ng\u00fcs\u00fc olu\u015fturur; y\u00fck alt\u0131nda 24V'u tutamayan bir g\u00fc\u00e7 kayna\u011f\u0131, okuma sapmas\u0131na neden olur (bu durum, ekranlar ekstra ak\u0131m \u00e7ekti\u011fi i\u00e7in 3 telli ve 4 telli sens\u00f6rlerde daha belirgindir); veya PLC giri\u015f empedans\u0131nda uyumsuzluk, \u00e7\u00fcnk\u00fc d\u00f6ng\u00fc, PLC'nin okuyabilece\u011fi bir \u015feye temiz bir \u015fekilde d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in 250 ohm bekler.<\/p>\n\n\n\n

\u0130zole Birini Se\u00e7mek PLC<\/a> Analog Giri\u015f\/\u00c7\u0131k\u0131\u015f Mod\u00fcl\u00fc<\/strong><\/h2>\n\n\n\n

D\u00f6ng\u00fc yo\u011fun arka plan g\u00fcr\u00fclt\u00fcs\u00fcyle m\u00fccadele ederken, PLC taraf\u0131ndaki analog giri\u015f kart\u0131 sens\u00f6r kadar \u00f6nem ta\u015f\u0131r. \u00d6ncelikle birka\u00e7 \u015feyi kontrol etmekte fayda var.<\/p>\n\n\n\n

\u00c7o\u011fu standart kart yaln\u0131zca grup izolasyonu sunar; bu da biti\u015fik kanallar aras\u0131nda topraklama d\u00f6ng\u00fcs\u00fcn\u00fcn olu\u015fmas\u0131na ve ilgisiz okumalar\u0131n bozulmas\u0131na izin verir. Asl\u0131nda istedi\u011finiz \u015fey, en az 500V AC veya 700V DC de\u011ferinde kanal-kanal izolasyonudur, b\u00f6ylece bir sens\u00f6r\u00fcn hatt\u0131ndaki ani voltaj y\u00fckselmesi a\u011f\u0131n geri kalan\u0131na yay\u0131lmaz. <\/p>\n\n\n\n

Kart\u0131n giri\u015f empedans\u0131n\u0131n ger\u00e7ekten 250 ohm oldu\u011fundan emin olun, \u00e7\u00fcnk\u00fc bu, 4-20mA sinyalini PLC'nin dahili olarak okudu\u011fu 1-5V aral\u0131\u011f\u0131na temiz bir \u015fekilde d\u00f6n\u00fc\u015ft\u00fcren \u015feydir. Ayr\u0131ca, panelin sadece bug\u00fcn i\u00e7in de\u011fil, gelecekteki kullan\u0131m alanlar\u0131 i\u00e7in de kanal say\u0131s\u0131n\u0131 belirleyin: 8 kanall\u0131 izole bir kart gibi. Siemens SIMATIC S7-1200<\/a> SM 1231 veya Mitsubishi MELSEC-F mod\u00fcl\u00fc, ray alan\u0131n\u0131 i\u015fgal etmeden daha sonra sens\u00f6r ekleme olana\u011f\u0131 sa\u011flar.<\/p>\n\n\n\n\r\n\r\n\r\n Kahraman \u00dcr\u00fcn \u00d6ne \u00c7\u0131kanlar\u0131<\/title>\r\n <style>\r\n .hero-card {\r\n display: flex;\r\n flex-wrap: wrap;\r\n align-items: center;\r\n background: #f7f8fa;\r\n border-radius: 16px;\r\n box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\r\n padding: 24px;\r\n max-width: 700px;\r\n margin: 35px auto;\r\n font-family: 'Poppins', Arial, sans-serif;\r\n text-decoration: none;\r\n color: inherit;\r\n }\r\n\r\n .hero-image {\r\n width: 220px;\r\n height: auto;\r\n border-radius: 12px;\r\n object-fit: cover;\r\n flex-shrink: 0;\r\n }\r\n\r\n .hero-content {\r\n padding-left: 24px;\r\n flex: 1;\r\n min-width: 260px;\r\n }\r\n\r\n .hero-title {\r\n font-size: 1.6rem;\r\n font-weight: bold;\r\n margin-bottom: 12px;\r\n color: #222;\r\n font-family: 'Poppins', Arial, sans-serif;\r\n }\r\n\r\n .hero-description {\r\n font-size: 1rem;\r\n color: #555;\r\n margin-bottom: 18px;\r\n line-height: 1.6;\r\n }\r\n\r\n .hero-link {\r\n display: inline-block;\r\n padding: 10px 20px;\r\n background-color: #0066cc;\r\n color: #fff;\r\n text-decoration: none;\r\n border-radius: 8px;\r\n font-weight: bold;\r\n transition: background 0.2s ease-in-out;\r\n }\r\n\r\n .hero-link:hover {\r\n background-color: #004c99;\r\n }\r\n\r\n @media (max-width: 640px) {\r\n .hero-card {\r\n flex-direction: column;\r\n text-align: center;\r\n }\r\n\r\n .hero-content {\r\n padding-left: 0;\r\n padding-top: 20px;\r\n }\r\n\r\n .hero-image {\r\n width: 100%;\r\n max-width: 280px;\r\n }\r\n }\r\n <\/style>\r\n<\/head>\r\n<body>\r\n\r\n<a class=\"hero-card\" href=\"https:\/\/www.simplybuyglobal.com\/tr\/product\/autonics-psan-pressure-sensors\/\" target=\"_blank\">\r\n <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.simplybuyglobal.com\/wp-content\/uploads\/2025\/05\/1-14.jpg\" alt=\"Autonics PSAN Bas\u0131n\u00e7 Sens\u00f6rleri\">\r\n <div class=\"hero-content\">\r\n <div class=\"hero-title\">Autonics PSAN Bas\u0131n\u00e7 Sens\u00f6rleri<\/div>\r\n <div class=\"hero-description\">\r\n <b>Nominal Ak\u0131m T\u00fcketimi<\/b>: Maks. 50 mA, Maks. 75 mA<br>\r\n <b>\u00c7al\u0131\u015fma Gerilimi<\/b>: 12\u201324 V DC<br>\r\n <b>Tepki S\u00fcresi<\/b>: 2,5 ms, 5 ms, 100 ms, 500 ms, 1000 ms<br>\r\n <b>Nem Aral\u0131\u011f\u0131<\/b>: 30 ila 80% RH\r\n <\/div>\r\n <span class=\"hero-link\">\u00dcr\u00fcn\u00fc G\u00f6r\u00fcnt\u00fcle<\/span>\r\n <\/div>\r\n<\/a>\r\n\r\n<\/body>\r\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00d6l\u00e7\u00fcm Cihazlar\u0131n\u0131z\u0131 Temin Etme (Simply Buy Avantaj\u0131)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kablolama sorununu \u00e7\u00f6zmeye \u00e7al\u0131\u015f\u0131yorsan\u0131z veya sinyal parazitiyle m\u00fccadele ediyorsan\u0131z, genellikle do\u011fru sens\u00f6r\u00fc do\u011fru panele e\u015fle\u015ftirmek gerekir. Simply Buy burada devreye girerek devre d\u00fczenlerini do\u011frular ve farkl\u0131 markalardan sertifikal\u0131 donan\u0131mlar temin eder.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u00fcrekli y\u0131kama gerektiren hijyenik veya farmas\u00f6tik prosesler i\u00e7in IFM Flush Bas\u0131n\u00e7 Sens\u00f6r\u00fc PG2799, tamamen kaynakl\u0131 316L paslanmaz \u00e7elik y\u00fczeyi temiz bir 4-20mA devresiyle birle\u015ftirir. Gaz veya vakum hatlar\u0131nda daha az yer kaplamas\u0131 i\u00e7in, <a href=\"https:\/\/www.simplybuyglobal.com\/tr\/product\/omron-e8f2-pressure-sensors-891\/\" target=\"_blank\" rel=\"noreferrer noopener\">Omron E8F2<\/a> Y\u00fcksek tekrarlanabilirlik \u00f6zelli\u011fine sahip ger\u00e7ek zamanl\u0131 LED \u00e7ubuk grafik okumalar\u0131 sa\u011flar ve <a href=\"https:\/\/www.simplybuyglobal.com\/tr\/product\/autonics-psan-pressure-sensors\/\" target=\"_blank\" rel=\"noreferrer noopener\">Autonics PSAN<\/a> Bu \u00fcr\u00fcn serisi, tek dokunu\u015fla kolay kablolama \u00f6zelli\u011fiyle genel hava, ya\u011f ve su izleme hizmetlerini kapsar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sinyal g\u00fcr\u00fclt\u00fcs\u00fc her zaman sens\u00f6rden kaynaklanmaz. Bazen \u00e7\u00f6z\u00fcm PLC taraf\u0131ndad\u0131r; bu nedenle Siemens, ABB ve Mitsubishi'den izole analog giri\u015f kartlar\u0131 ve i\u015flem \u00fcniteleri de sunuyoruz, b\u00f6ylece 4-20mA bas\u0131n\u00e7 transmitteri devresi ve onu okuyan kart birlikte y\u00fckseltilir. Her bile\u015fen 100% orijinallik garantisi, tam fabrika garantisi ve g\u00fcvenilir uluslararas\u0131 lojistik ile birlikte g\u00f6nderilir.<br><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.simplybuyglobal.com\/tr\/contact\/\" style=\"border-radius:53px;background-color:#06276c\" target=\"_blank\" rel=\"noreferrer noopener\">\u00dccretsiz Teklif Al\u0131n<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>An industrial pressure transmitter 4-20ma setup leverages a current loop to send pressure readings over distance. It chooses this over plain voltage signal in order to<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":7434,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[178],"tags":[],"class_list":["post-7433","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sensor"],"_links":{"self":[{"href":"https:\/\/www.simplybuyglobal.com\/tr\/wp-json\/wp\/v2\/posts\/7433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.simplybuyglobal.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.simplybuyglobal.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.simplybuyglobal.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.simplybuyglobal.com\/tr\/wp-json\/wp\/v2\/comments?post=7433"}],"version-history":[{"count":2,"href":"https:\/\/www.simplybuyglobal.com\/tr\/wp-json\/wp\/v2\/posts\/7433\/revisions"}],"predecessor-version":[{"id":7440,"href":"https:\/\/www.simplybuyglobal.com\/tr\/wp-json\/wp\/v2\/posts\/7433\/revisions\/7440"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.simplybuyglobal.com\/tr\/wp-json\/wp\/v2\/media\/7434"}],"wp:attachment":[{"href":"https:\/\/www.simplybuyglobal.com\/tr\/wp-json\/wp\/v2\/media?parent=7433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.simplybuyglobal.com\/tr\/wp-json\/wp\/v2\/categories?post=7433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.simplybuyglobal.com\/tr\/wp-json\/wp\/v2\/tags?post=7433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}