{"id":300,"date":"2026-10-04T00:13:30","date_gmt":"2026-10-04T00:13:30","guid":{"rendered":"https:\/\/otomasiplcbandung.com\/?p=300"},"modified":"2026-10-05T06:39:35","modified_gmt":"2026-10-05T06:39:35","slug":"materi-dasar-latihan-plc","status":"publish","type":"post","link":"https:\/\/otomasiplcbandung.com\/?p=300","title":{"rendered":"MATERI DASAR LATIHAN PLC"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"> .<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Materi latihan PLC Omron \u2014 Kendali Motor dengan Inverter<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Tujuan latihan<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kita akan membuat satu sistem sederhana:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>START<\/strong> \u2192 tombol NO<\/li>\n\n\n\n<li><strong>STOP<\/strong> \u2192 tombol NC<\/li>\n\n\n\n<li><strong>Lampu Hijau<\/strong> \u2192 menunjukkan motor sedang RUN<\/li>\n\n\n\n<li><strong>Lampu Merah<\/strong> \u2192 menunjukkan motor STOP<\/li>\n\n\n\n<li><strong>Motor 3 fasa<\/strong> \u2192 dijalankan melalui <strong>inverter<\/strong><\/li>\n\n\n\n<li>PLC Omron \u2192 menjadi pengendali perintah RUN\/STOP inverter<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Konsep sederhananya:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tombol \u2192 PLC \u2192 Inverter \u2192 Motor<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PLC <strong>tidak langsung memberikan listrik motor<\/strong>. PLC memberikan perintah kontrol kepada inverter, kemudian inverter yang mengatur motor.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. Gambaran sistem<\/h2>\n\n\n\n<pre class=\"wp-block-preformatted\"> <code>       TOMBOL\n       \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n       \u2502 START NO\u2502\u2500\u2500\u2500\u2500\u2500\u2510\n       \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518     \u2502\n                       \u25bc\n       \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510   \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510   \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510   \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n       \u2502 STOP NC \u2502\u2500\u2500\u25ba\u2502   PLC    \u2502\u2500\u2500\u25ba\u2502 INVERTER \u2502\u2500\u2500\u25ba\u2502 MOTOR   \u2502\n       \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                           \u2502\n                           \u251c\u2500\u2500\u2500\u2500\u25ba Lampu HIJAU\n                           \u2502\n                           \u2514\u2500\u2500\u2500\u2500\u25ba Lampu MERAH\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Ini adalah konsep dasar yang sangat penting.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PLC mengambil keputusan.<br>Inverter mengendalikan motor.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">3. Mengapa menggunakan tombol NO dan NC?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Ini bagian yang sangat penting untuk dipahami oleh pemula.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">START menggunakan NO<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NO = <strong>Normally Open<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dalam kondisi normal kontak terbuka.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ketika tombol START ditekan:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Normal       Tekan START\n\n  \u2500\u2500  \u2500\u2500       \u2500\u2500\u2524 \u251c\u2500\u2500\n   OPEN          CLOSE\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Maka PLC menerima perintah:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;Motor diminta START.&#8221;<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">STOP menggunakan NC<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NC = <strong>Normally Closed<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dalam kondisi normal kontak tertutup.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Normal       Tekan STOP\n\n  \u2500\u2500\u2524 \u251c\u2500\u2500       \u2500\u2500  \u2500\u2500\n   CLOSE          OPEN\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Ketika STOP ditekan, rangkaian perintah motor terputus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mengapa STOP biasanya menggunakan NC?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Karena dari sisi keselamatan, apabila kabel STOP putus atau terjadi gangguan pada rangkaian, sistem cenderung kehilangan izin RUN sehingga motor berhenti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Namun untuk mesin industri nyata, fungsi keselamatan seperti <strong>Emergency Stop<\/strong> tidak boleh hanya mengandalkan logika program PLC biasa; harus mengikuti rancangan keselamatan mesin dan perangkat safety yang sesuai.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">4. Contoh alamat I\/O Omron<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Untuk latihan kita bisa menggunakan contoh alamat seperti ini:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Perangkat<\/th><th>Jenis<\/th><th>Alamat<\/th><\/tr><\/thead><tbody><tr><td>START<\/td><td>Input NO<\/td><td>0.00<\/td><\/tr><tr><td>STOP<\/td><td>Input NC<\/td><td>0.01<\/td><\/tr><tr><td>RUN motor<\/td><td>Output PLC<\/td><td>100.00<\/td><\/tr><tr><td>Lampu Hijau<\/td><td>Output PLC<\/td><td>100.01<\/td><\/tr><tr><td>Lampu Merah<\/td><td>Output PLC<\/td><td>100.02<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Catatan:<\/strong> alamat tersebut adalah contoh latihan. Alamat sebenarnya harus disesuaikan dengan tipe PLC Omron yang digunakan.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">5. Cara berpikir program PLC<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Sekarang kita jangan langsung menghafal Ladder.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pahami dulu logikanya:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Apabila STOP dalam kondisi aman dan START ditekan, maka PLC memberikan perintah RUN kepada inverter.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Tetapi setelah tombol START dilepas, motor <strong>harus tetap berjalan<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bagaimana caranya?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kita menggunakan <strong>self-holding \/ seal-in<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ini adalah salah satu konsep PLC paling penting.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">6. Konsep Self-Holding<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Misalnya:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"> <code>      START\n        NO\n        \u2502\n        \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n        \u2502       \u2502\n        \u2502    RUN MOTOR\n        \u2502       \u2502\n        \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Secara konsep Ladder:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>|----&#91;\/ STOP ]----+----&#91; START ]--------( RUN )\n|                 |\n|                 +----&#91; RUN ]----------|\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Artinya:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>STOP harus dalam kondisi memungkinkan.<\/li>\n\n\n\n<li>START ditekan.<\/li>\n\n\n\n<li>Coil RUN aktif.<\/li>\n\n\n\n<li>Kontak RUN ikut menjadi ON.<\/li>\n\n\n\n<li>Ketika START dilepas, kontak RUN masih mempertahankan rangkaian.<\/li>\n\n\n\n<li>Motor tetap RUN.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Jadi PLC seolah-olah mengatakan:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;Saya sudah menerima perintah START, maka saya pertahankan status RUN.&#8221;<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">7. Apa yang terjadi ketika STOP ditekan?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Ketika STOP ditekan:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>STOP NC \u2192 OPEN\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Maka rangkaian RUN terputus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Akibatnya:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>RUN PLC \u2192 OFF\n       \u2193\nPerintah RUN inverter \u2192 OFF\n       \u2193\nMotor berhenti\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Lampu indikator juga dapat mengikuti status tersebut.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">8. Logika lampu<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Kita dapat membuat:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lampu hijau<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Jika motor RUN:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>RUN = ON\n   \u2193\nLampu Hijau = ON\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Lampu merah<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Jika motor tidak RUN:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>RUN = OFF\n   \u2193\nLampu Merah = ON\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Sehingga operator dapat melihat kondisi mesin dengan mudah.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>MOTOR RUNNING\n\ud83d\udfe2 Lampu Hijau ON\n\ud83d\udd34 Lampu Merah OFF\n\nMOTOR STOP\n\ud83d\udfe2 Lampu Hijau OFF\n\ud83d\udd34 Lampu Merah ON\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">9. Hubungan PLC dengan inverter<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Ini juga wajib dipahami oleh siswa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jangan membayangkan PLC langsung menghidupkan motor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Strukturnya:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>PLC OUTPUT\n     \u2502\n     \u2502 perintah RUN\n     \u25bc\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502   INVERTER   \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n     \u2502\n     \u2502 U V W\n     \u25bc\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502    MOTOR    \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">PLC hanya memberikan <strong>perintah kontrol<\/strong> sesuai konfigurasi inverter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Inverter kemudian melakukan pekerjaan seperti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>memberikan tegangan\/frekuensi yang sesuai ke motor,<\/li>\n\n\n\n<li>mengatur frekuensi,<\/li>\n\n\n\n<li>mengatur kecepatan,<\/li>\n\n\n\n<li>melakukan akselerasi,<\/li>\n\n\n\n<li>melakukan deselerasi,<\/li>\n\n\n\n<li>dan memberikan status\/fault sesuai model inverter.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">10. Hal yang sangat penting untuk generasi muda<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Jangan hanya belajar:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;Kontak ini ON, coil ini ON.&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Tetapi biasakan bertanya:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mengapa kontak ini dipakai?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Apa yang terjadi jika kabel putus?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Apa yang terjadi jika tombol STOP ditekan?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mengapa motor tidak boleh langsung disambungkan ke output PLC?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Apa fungsi inverter?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Bagaimana PLC mengetahui motor sedang RUN?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pertanyaan-pertanyaan seperti ini yang akan membuat seorang siswa berkembang dari sekadar <strong>bisa menggambar Ladder<\/strong> menjadi orang yang <strong>memahami sistem kontrol<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Kalau sahabatku setuju, <strong>bagian berikutnya saya bisa buat sebagai modul praktik lengkap<\/strong>, mulai dari <strong>PLC Omron + wiring input NO\/NC + wiring output lampu + koneksi PLC ke terminal RUN inverter + Ladder Diagram setiap rung + simulasi kondisi START\/STOP + penjelasan troubleshooting ketika motor tidak mau RUN<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PLC Omron + wiring input NO\/NC + wiring output lampu + koneksi PLC ke terminal RUN inverter + Ladder Diagram setiap rung + simulasi kondisi START\/STOP + penjelasan troubleshooting ketika motor tidak mau RUN<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>. Materi latihan PLC Omron \u2014 Kendali Motor dengan Inverter 1. Tujuan latihan Kita akan membuat satu sistem sederhana: Konsep [&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":[4],"tags":[],"class_list":["post-300","post","type-post","status-publish","format-standard","hentry","category-deskripsi-kategori-logika-dasar-otomasi-selamat-da"],"_links":{"self":[{"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=\/wp\/v2\/posts\/300","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=300"}],"version-history":[{"count":1,"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=\/wp\/v2\/posts\/300\/revisions"}],"predecessor-version":[{"id":302,"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=\/wp\/v2\/posts\/300\/revisions\/302"}],"wp:attachment":[{"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/otomasiplcbandung.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}