{"product_id":"allen-bradley-1746-a4-slc-500-4-slot-chassis","title":"Allen-Bradley 1746-A4","description":"\u003cdiv class=\"markdown markdown-main-panel response-optimization\" id=\"model-response-message-contentr_9caeeb857e10d48b\" dir=\"ltr\"\u003e\n\u003cp data-sourcepos=\"21:1-21:355\"\u003e\u003cspan class=\"citation-0 recitation citation-end-0\"\u003eThe Allen-Bradley 1746-A4 is a 4-slot chassis designed for use with the SLC 500 family of programmable logic controllers (PLCs).\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e1\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-1 recitation citation-end-1\"\u003eThis chassis provides the physical backplane and connections for up to four 1746 series I\/O modules.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e2\u003c\/sup\u003e\u003c\/span\u003e It's a key component for building small to medium-sized control systems using the SLC 500 platform.\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-sourcepos=\"23:1-23:225\"\u003eWhile the SLC 500 family is obsolete from Rockwell Automation, DD Parts Solution may have available stock (new old stock or used\/refurbished) to support existing installations. Contact us for current availability and pricing.\u003c\/p\u003e\n\u003cp data-sourcepos=\"25:1-25:94\"\u003e\u003cstrong\u003e◆Key Features (Based on original documentation—subject to limitations due to obsolescence):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"27:1-32:0\"\u003e\n\u003cli data-sourcepos=\"27:1-27:82\"\u003e\n\u003cspan class=\"citation-2 recitation\"\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-2 recitation\"\u003e4 I\/O Slots:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-2 recitation citation-end-2\"\u003e Accommodates up to four 1746 series I\/O modules.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e3\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli data-sourcepos=\"28:1-28:123\"\u003e\n\u003cstrong\u003eBackplane Connectivity:\u003c\/strong\u003e Provides the necessary connections for communication between the processor and I\/O modules.\u003c\/li\u003e\n\u003cli data-sourcepos=\"29:1-29:92\"\u003e\n\u003cstrong\u003eModular Design:\u003c\/strong\u003e Allows for flexible system configuration based on application needs.\u003c\/li\u003e\n\u003cli data-sourcepos=\"30:1-30:113\"\u003e\n\u003cstrong\u003eObsolete (from Rockwell Automation):\u003c\/strong\u003e No longer manufactured or actively supported by Rockwell Automation.\u003c\/li\u003e\n\u003cli data-sourcepos=\"31:1-32:0\"\u003e\n\u003cstrong\u003eAvailable at DD Parts Solution (Potentially):\u003c\/strong\u003e Contact us for current stock.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"33:1-33:134\"\u003e\u003cstrong\u003e◆Technical Specifications (Consult official Rockwell documentation for precise details—subject to limitations due to obsolescence):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"35:1-41:0\"\u003e\n\u003cli data-sourcepos=\"35:1-35:33\"\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e I\/O Chassis\u003c\/li\u003e\n\u003cli data-sourcepos=\"36:1-36:31\"\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e 1746-A4\u003c\/li\u003e\n\u003cli data-sourcepos=\"37:1-37:26\"\u003e\n\u003cstrong\u003eNumber of Slots:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli data-sourcepos=\"38:1-38:43\"\u003e\n\u003cstrong\u003eCompatible I\/O Modules:\u003c\/strong\u003e 1746 series\u003c\/li\u003e\n\u003cli data-sourcepos=\"39:1-39:29\"\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Panel mount\u003c\/li\u003e\n\u003cli data-sourcepos=\"40:1-41:0\"\u003e\n\u003cstrong\u003eStatus:\u003c\/strong\u003e Obsolete (from Rockwell Automation), potentially available at DD Parts Solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"42:1-42:46\"\u003e\u003cstrong\u003e◆Applications (Obsolescence caveats apply):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"44:1-46:0\"\u003e\n\u003cli data-sourcepos=\"44:1-44:66\"\u003eExisting installations using SLC 500 controllers and 1746 I\/O.\u003c\/li\u003e\n\u003cli data-sourcepos=\"45:1-46:0\"\u003e\u003cem\u003eNot recommended for new applications.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"47:1-47:50\"\u003e\u003cstrong\u003e◆Why contact DD Parts Solution for the 1746-A4?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"49:1-53:0\"\u003e\n\u003cli data-sourcepos=\"49:1-49:135\"\u003e\n\u003cstrong\u003eSupport for Legacy Systems:\u003c\/strong\u003e We can help you maintain your existing SLC 500 systems with available chassis and other components.\u003c\/li\u003e\n\u003cli data-sourcepos=\"50:1-50:117\"\u003e\n\u003cstrong\u003ePotential for Available Stock:\u003c\/strong\u003e We may have new old stock (NOS) or used\/refurbished 1746-A4 chassis available.\u003c\/li\u003e\n\u003cli data-sourcepos=\"51:1-51:122\"\u003e\n\u003cstrong\u003eExpertise in Legacy Automation:\u003c\/strong\u003e We understand the challenges of supporting older systems and can provide guidance.\u003c\/li\u003e\n\u003cli data-sourcepos=\"52:1-53:0\"\u003e\n\u003cstrong\u003eMigration Planning:\u003c\/strong\u003e We can assist you in planning a migration to a more modern platform if you are considering upgrading.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003c\/div\u003e","brand":"Flateck Automation","offers":[{"title":"Default Title","offer_id":48840708980963,"sku":null,"price":290.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/4214\/3203\/files\/1746-A4.webp?v=1776625973","url":"https:\/\/flateck.myshopify.com\/products\/allen-bradley-1746-a4-slc-500-4-slot-chassis","provider":"Flateck Automation","version":"1.0","type":"link"}