{"product_id":"allen-bradley-1756-dhrio-dh-rio-bridge-scanner-module","title":"Allen-Bradley 1756-DHRIO","description":"\u003cdiv class=\"markdown markdown-main-panel response-optimization\" id=\"model-response-message-contentr_8c1488f80729583f\" dir=\"ltr\"\u003e\n\u003cp data-sourcepos=\"19:1-19:24\"\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-sourcepos=\"21:1-21:390\"\u003eThe Allen-Bradley 1756-DHRIO is a ControlLogix communication module offering an interface to Data Highway Plus (DH+) and Remote I\/O (RIO) networks. It serves as a bridge for communication between devices on DH+ networks and other modules within a ControlLogix backplane. It also operates as a RIO scanner, allowing the ControlLogix controller to exchange data with remote RIO devices.\u003c\/p\u003e\n\u003cp data-sourcepos=\"23:1-23:367\"\u003eDue to the age of DH+ technology, new 1756-DHRIO modules are no longer produced. We may offer \u003cem\u003eused\u003c\/em\u003e or \u003cem\u003erefurbished\u003c\/em\u003e modules to support existing legacy systems. Understanding DH+'s limitations is crucial, and migrating to modern technologies like Ethernet\/IP for new applications or major system upgrades should be considered.\u003c\/p\u003e\n\u003cp data-sourcepos=\"25:1-25:95\"\u003e\u003cstrong\u003eKey Features (Based on original documentation - subject to limitations due to product age):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"27:1-31:0\"\u003e\n\u003cli data-sourcepos=\"27:1-27:80\"\u003e\n\u003cstrong\u003eDH+ Communication:\u003c\/strong\u003e Supports communication on Data Highway Plus networks.\u003c\/li\u003e\n\u003cli data-sourcepos=\"28:1-28:67\"\u003e\n\u003cstrong\u003eRIO Scanner:\u003c\/strong\u003e Enables data exchange with Remote I\/O devices.\u003c\/li\u003e\n\u003cli data-sourcepos=\"29:1-29:69\"\u003e\n\u003cstrong\u003eTwo Channels:\u003c\/strong\u003e The module has two channels for DH+ connection.\u003c\/li\u003e\n\u003cli data-sourcepos=\"30:1-31:0\"\u003e\n\u003cstrong\u003eControlLogix Integration:\u003c\/strong\u003e Designed for use in ControlLogix chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"32:1-32:135\"\u003e\u003cstrong\u003eTechnical Specifications (Consult official Rockwell documentation for precise details - subject to limitations due to product age):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"34:1-40:0\"\u003e\n\u003cli data-sourcepos=\"34:1-34:50\"\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e DH+\/RIO Communication Module\u003c\/li\u003e\n\u003cli data-sourcepos=\"35:1-35:34\"\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e 1756-DHRIO\u003c\/li\u003e\n\u003cli data-sourcepos=\"36:1-36:31\"\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e DH+, RIO\u003c\/li\u003e\n\u003cli data-sourcepos=\"37:1-37:87\"\u003e\n\u003cstrong\u003eBaud Rates (DH+):\u003c\/strong\u003e 57.6 kbps, 115.2 kbps, 230.4 kbps (depending on cable length)\u003c\/li\u003e\n\u003cli data-sourcepos=\"38:1-38:64\"\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e DH+ connectors (typically 9-pin connectors)\u003c\/li\u003e\n\u003cli data-sourcepos=\"39:1-40:0\"\u003e\n\u003cstrong\u003eStatus:\u003c\/strong\u003e Discontinued (limited support available)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"41:1-41:45\"\u003e\u003cstrong\u003eApplications (Product age caveats apply):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"43:1-46:0\"\u003e\n\u003cli data-sourcepos=\"43:1-43:48\"\u003eInterconnecting controllers on DH+ networks.\u003c\/li\u003e\n\u003cli data-sourcepos=\"44:1-44:42\"\u003eCommunicating with remote RIO devices.\u003c\/li\u003e\n\u003cli data-sourcepos=\"45:1-46:0\"\u003eLegacy systems using DH+ that require module replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"47:1-47:53\"\u003e\u003cstrong\u003eWhy contact us for the 1756-DHRIO?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"49:1-52:0\"\u003e\n\u003cli data-sourcepos=\"49:1-49:126\"\u003e\n\u003cstrong\u003eSupport for Legacy Systems:\u003c\/strong\u003e Assistance with locating used\/refurbished modules to maintain DH+ systems.\u003c\/li\u003e\n\u003cli data-sourcepos=\"50:1-50:153\"\u003e\n\u003cstrong\u003eIndustrial Automation Expertise:\u003c\/strong\u003e Our team is knowledgeable in industrial automation to help find solutions for legacy communication needs.\u003c\/li\u003e\n\u003cli data-sourcepos=\"51:1-52:0\"\u003e\n\u003cstrong\u003eMigration Guidance:\u003c\/strong\u003e We can help identify migration options to modern communication platforms like Ethernet\/IP, offering more efficient and better-supported solutions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":41651855917102,"sku":"1756-DHRIO","price":560.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/2791\/4798\/files\/1756-DHRIO.webp?v=1764277544","url":"https:\/\/qrh1h7-cr.myshopify.com\/products\/allen-bradley-1756-dhrio-dh-rio-bridge-scanner-module","provider":"PLCVERSE","version":"1.0","type":"link"}