{"product_id":"allen-bradley-1756-dhrio-remote-i-o-module","title":"Allen-Bradley 1756-DHRIO ControlLogix Data Highway Plus \/ Remote I\/O Scanner Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1756-DHRIO is a ControlLogix communication interface module designed to provide connectivity between ControlLogix controllers and Data Highway Plus (DH+) networks or Remote I\/O (RIO) networks. This module functions as a bridge, allowing for seamless data exchange and device management across legacy and modern industrial communication architectures.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDual-channel communication interface for versatile network integration.\u003c\/li\u003e\n\u003cli\u003eSupports Data Highway Plus (DH+) communication protocol.\u003c\/li\u003e\n\u003cli\u003eFunctions as a Remote I\/O (RIO) scanner for distributed control applications.\u003c\/li\u003e\n\u003cli\u003eSelectable communication speeds: 57.6 Kbaud, 115.2 Kbaud, and 230.4 Kbaud.\u003c\/li\u003e\n\u003cli\u003eDesigned for seamless integration into the ControlLogix chassis backplane.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe 1756-DHRIO is typically utilized in industrial automation environments requiring the integration of legacy DH+ networks or RIO-based field devices into a modern ControlLogix platform. It is commonly found in manufacturing, process control, and material handling systems where legacy infrastructure must be maintained alongside newer control hardware.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eCommunication Interface Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Channels\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Speeds\u003c\/td\u003e\n\u003ctd\u003e57.6 Kbaud, 115.2 Kbaud, 230.4 Kbaud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw\u003c\/td\u003e\n\u003ctd\u003e850 mA @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Cable\u003c\/td\u003e\n\u003ctd\u003eBelden 89463 twinaxial (0.52 mm2 \/ 20 AWG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Cable Length\u003c\/td\u003e\n\u003ctd\u003eUp to 3048 m (10,000 ft) depending on baud rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix chassis power is disconnected before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eSlide the module into the designated chassis slot and secure it using the top and bottom latching mechanisms.\u003c\/li\u003e\n\u003cli\u003eUse shielded twinaxial cable (e.g., Belden 89463) for all DH+ and RIO connections to minimize EMI interference.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding practices for the communication shield to prevent noise-related communication errors.\u003c\/li\u003e\n\u003cli\u003eVerify that the baud rate settings on the module match the existing network configuration before commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 1756-DHRIO module?\u003c\/h3\u003e\u003cp\u003eThe module acts as a communication bridge, enabling a ControlLogix controller to communicate with devices on a Data Highway Plus network or to act as a scanner for Remote I\/O networks.\u003c\/p\u003e\u003ch3\u003eCan this module be used for both DH+ and RIO networks?\u003c\/h3\u003e\u003cp\u003eYes, the 1756-DHRIO is designed to support both DH+ and Remote I\/O communication protocols, providing flexibility for legacy system integration.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50991063892220,"sku":"1756-DHRIO","price":94.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_e107c5cb-e390-48e8-ad18-425f96490a85.jpg?v=1786986656","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1756-dhrio-remote-i-o-module","provider":"Electronic PLC","version":"1.0","type":"link"}