{"product_id":"allen-bradley-1747-dcm-slc-500-direct-communication-module","title":"Allen-Bradley 1747-DCM SLC 500 Direct Communication Module","description":"\u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1747-DCM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-speed communication interface designed for the Allen-Bradley SLC 500 platform. This Direct Communication Module allows an SLC 500 chassis to act as a distributed station on a Universal Remote I\/O (RIO) network. Unlike standard I\/O adapters, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1747-DCM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eenables a local SLC processor to communicate directly with a remote master scanner (such as a PLC-5 or a ControlLogix RIO scanner) while simultaneously executing its own local control logic.\u003c\/p\u003e\n\u003cp\u003eBy occupying a single slot in the SLC backplane, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1747-DCM (Ser A\/B)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efacilitates the transfer of discrete and block transfer data between different controller platforms. This makes it an essential component for hybrid automation systems where localized high-speed processing must be coordinated with a centralized supervisory control system.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1747-DCM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e: Allen-Bradley \/ Rockwell Automation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e: Direct Communication \/ Remote I\/O (RIO) Slave\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Rate\u003c\/strong\u003e: 57.6 kbps, 115.2 kbps, or 230.4 kbps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current (5V DC)\u003c\/strong\u003e: 360 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current (24V DC)\u003c\/strong\u003e: 0 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnection Interface\u003c\/strong\u003e: 3-pin Phoenix terminal for RIO link\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork Cable\u003c\/strong\u003e: Belden 9463 (Blue Hose)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAddressing Capacity\u003c\/strong\u003e: Supports 1\/4, 1\/2, 3\/4, or Full Rack addressing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Node Capacity\u003c\/strong\u003e: Up to 64 nodes per RIO link (network dependent)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e: 500V DC (continuous) between RIO link and backplane\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStatus Indicators\u003c\/strong\u003e: LED diagnostics for COMM and FAULT status\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e: 0.21 kg (0.47 lbs)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eIndustrial Application Scenarios\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1747-DCM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis primarily utilized in large-scale plant migrations or complex multi-tier architectures. For example, it allows an older SLC 500 machine cell to be integrated into a newer PLC-5 or ControlLogix supervisory network without replacing the existing SLC hardware. It is commonly found in automotive body shops, material handling sorters, and water treatment SCADA systems.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eProfessional FAQ\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 1747-DCM be used in a remote chassis without a processor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Unlike the 1747-ASB, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1747-DCM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequires a local SLC processor (SLC 5\/01, 5\/02, 5\/03, 5\/04, or 5\/05) to manage the local I\/O and data table exchange.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support Block Transfer (BTR\/BTW)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1747-DCM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports block transfers of up to 64 words, allowing for the exchange of complex analog data or floating-point variables between the SLC and the master scanner.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53059679584440,"sku":"1747-DCM","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1747-DCM.jpg?v=1773913605","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1747-dcm-slc-500-direct-communication-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}