{"id":460,"date":"2026-10-06T04:49:49","date_gmt":"2026-10-06T04:49:49","guid":{"rendered":"https:\/\/otomasiplcbandung.com\/?p=460"},"modified":"2026-10-06T06:27:31","modified_gmt":"2026-10-06T06:27:31","slug":"cara-kaki-terminal-relay-bekerja","status":"publish","type":"post","link":"https:\/\/otomasiplcbandung.com\/?p=460","title":{"rendered":"CARA KAKI TERMINAL RELAY BEKERJA"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Membaca Kode Kaki Terminal Relay (A1, A2, COM, NO, NC) dan Ide Inovasi Rangkaian Kreatif di Industri<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dengan menguasai kode terminal ini, siswa tidak hanya tahu fungsinya, tetapi bisa langsung berinovasi merakit berbagai logika kendali tanpa harus takut salah colok kabel.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"> Menguasai Kode Kaki Relay (COM, NO, NC) &amp; Ide Inovasi Kendali Kreatif untuk Siswa SMK<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sahabat otomasi, setelah kita tahu bahwa <em>Relay Interface<\/em> adalah jembatan penyelamat PLC, sekarang saatnya kita belajar cara memasang kabelnya pada kaki-kaki terminal yang tepat. Jangan sampai niat berinovasi malah terhambat karena bingung melihat kode huruf dan angka di badan relay!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mari kita bedah arti kode terminal tersebut dan beberapa ide inovasi yang bisa langsung dipraktikkan siswa SMK di dunia industri.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Kamus Kode Kaki Terminal Relay Industri<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Secara universal, hampir semua merek relay (seperti Omron, Schneider, atau Finder) menggunakan kode standar berikut pada terminal soketnya:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A1 dan A2 (Terminal Coil\/Kumparan):<\/strong> Ini adalah kaki untuk menyuplai setrum magnet. Hubungkan kabel output dari PLC (+24V DC) ke kaki <strong>A1<\/strong>, dan kabel massa (0V DC) ke kaki <strong>A2<\/strong>. <em>(Jika terbalik untuk jenis relay DC tertentu yang memiliki lampu LED internal, LED-nya tidak akan menyala).<\/em><\/li>\n\n\n\n<li><strong>COM (Common \/ Kaki Pusat):<\/strong> Kaki utama tempat masuknya arus listrik eksternal yang ingin dialirkan atau dibagi (misalnya tegangan 220V AC untuk lampu atau motor).<\/li>\n\n\n\n<li><strong>NO (Normally Open \/ Kontak Normal Terbuka):<\/strong> Kaki yang terputus saat relay mati. Arus dari kaki COM baru akan mengalir ke kaki NO <strong>hanya ketika relay dinyalakan (ON)<\/strong> oleh PLC.<\/li>\n\n\n\n<li><strong>NC (Normally Closed \/ Kontak Normal Tertutup):<\/strong> Kebalikan dari NO. Kaki ini sudah langsung tersambung dengan kaki COM <strong>saat relay mati (OFF)<\/strong>. Begitu relay dinyalakan oleh PLC, jalur COM ke NC justru akan terputus.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. Ruang Inovasi: 3 Ide Rangkaian Kreatif di Industri Menggunakan Kaki Relay<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dengan memanfaatkan kombinasi kaki COM, NO, dan NC, siswa SMK bisa menciptakan inovasi kendali otomatis sederhana namun sangat berguna di pabrik:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">A. Rangkaian Pemilah Otomatis (Sorting System)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ide Inovasi:<\/strong> Memilah barang berdasarkan tinggi atau material logam di konveyor.<\/li>\n\n\n\n<li><strong>Cara Merakit:<\/strong> Hubungkan kabel dari sensor ke <em>Coil<\/em> Relay. Manfaatkan kaki <strong>NO<\/strong> untuk menghidupkan <em>Solenoid Valve<\/em> pendorong barang yang lolos seleksi, dan kaki <strong>NC<\/strong> untuk menghidupkan alarm atau lampu indikator jika barang terdeteksi cacat (<em>reject<\/em>).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">B. Rangkaian Pengaman Interlock Dua Arah (Forward-Reverse Motor)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ide Inovasi:<\/strong> Mencegah motor listrik berputar maju dan mundur secara bersamaan yang bisa mengakibatkan korsleting ledakan besar di panel.<\/li>\n\n\n\n<li><strong>Cara Merakit:<\/strong> Kabel suplai kontaktor untuk putaran MAJU harus melewati kaki <strong>NC<\/strong> milik Relay MUNDUR, dan sebaliknya. Dengan memanfaatkan sifat NC, saat salah satu arah aktif, arah satunya terkunci mati secara total demi keamanan mekanik.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C. Rangkaian Otomatis Pompa Bergantian (Duty-Cycle Pump)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ide Inovasi:<\/strong> Mengatur dua pompa air di pabrik agar bekerja bergantian secara otomatis agar motor pompa tidak cepat panas dan berumur panjang.<\/li>\n\n\n\n<li><strong>Cara Merakit:<\/strong> Manfaatkan kaki <strong>COM<\/strong> sebagai input arus utama. Hubungkan kaki <strong>NO<\/strong> ke Pompa 1 dan kaki <strong>NC<\/strong> ke Pompa 2. Menggunakan timer PLC, relay akan berpindah posisi setiap beberapa jam sekali, memindahkan arus dari NO ke NC secara otomatis dan mulus.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"> Panduan teknis yang aplikatif sekaligus memicu daya cipta (<em>creativity<\/em>) siswa SMK untuk membuat proyek akhir sekolah atau inovasi saat magang di pabrik.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Membaca Kode Kaki Terminal Relay (A1, A2, COM, NO, NC) dan Ide Inovasi Rangkaian Kreatif di Industri. Dengan menguasai kode [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-460","post","type-post","status-publish","format-standard","hentry","category-logika-dasar-otomasi"],"_links":{"self":[{"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=\/wp\/v2\/posts\/460","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=460"}],"version-history":[{"count":1,"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=\/wp\/v2\/posts\/460\/revisions"}],"predecessor-version":[{"id":461,"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=\/wp\/v2\/posts\/460\/revisions\/461"}],"wp:attachment":[{"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}