{"product_id":"1756-dhrio-allen-bradley-controllogix-communication-module","title":"1756-DHRIO Allen-Bradley | ControlLogix Communication Module","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley ControlLogix DH+\/Remote I\/O Bridge Module 1756-DHRIO\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Allen-Bradley \u003cstrong style=\"color: #2e74b5;\"\u003e1756-DHRIO\u003c\/strong\u003e is a versatile communication interface for ControlLogix systems. It bridges modern controllers with legacy Data Highway Plus (DH+) and Remote I\/O networks. This dual-channel module enables seamless data exchange across mixed device environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; Model:\u003c\/strong\u003e Allen-Bradley \u003cstrong style=\"color: #2e74b5;\"\u003e1756-DHRIO\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e ControlLogix Communication Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e DH+\/Remote I\/O Bridge and Scanner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 2 Independent Ports (Channel A \u0026amp; B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Protocols:\u003c\/strong\u003e Data Highway Plus (DH+), Remote I\/O (RIO)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Speed:\u003c\/strong\u003e 57.6, 115.2, or 230.4 Kbaud (selectable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Current:\u003c\/strong\u003e 1.7A @ 5V DC, 850 mA @ 24V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 4.5 Watts Max (15.4 BTU\/hour)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #c65911;\"\u003eDual Protocol Support:\u003c\/strong\u003e Acts as a bridge for both DH+ peer-to-peer messaging and Remote I\/O scanning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLegacy Integration:\u003c\/strong\u003e Connects ControlLogix to PLC-5, SLC, Flex I\/O, and Point I\/O systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Topology:\u003c\/strong\u003e Supports daisy-chain networks with proper termination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot Swap Capable:\u003c\/strong\u003e Can be installed\/removed from a powered chassis (in non-hazardous areas).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Connection Capacity:\u003c\/strong\u003e Supports up to 32 Logix connections for efficient data handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Wiring\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Cable:\u003c\/strong\u003e Belden 89463 Twinaxial (20 AWG).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Length vs Speed:\u003c\/strong\u003e Up to 10,000 ft at 57.6 Kbaud; shorter lengths for higher speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTermination:\u003c\/strong\u003e Requires 82Ω or 150Ω resistor at each network end, based on baud rate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Kit:\u003c\/strong\u003e Phoenix MVSTBR2.5\/3-ST BK AU terminal blocks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Uses 3-pin terminals per channel (Line 1, Shield, Line 2) plus an 8-pin mini-DIN port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Warning:\u003c\/strong\u003e Handle with static precautions; module is sensitive to electrostatic discharge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePhysical \u0026amp; Environmental\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 32° to 140°F (0° to 60°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.64 lbs (0.293 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlot Width:\u003c\/strong\u003e 1 Slot in 1756 ControlLogix Chassis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e Open Type (for installation inside a chassis)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Limits:\u003c\/strong\u003e Can bridge messages through up to 3 chassis and 4 networks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackaging \u0026amp; Shipping\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne Allen-Bradley \u003cstrong\u003e1756-DHRIO\u003c\/strong\u003e communication module.\u003c\/li\u003e\n\u003cli\u003eSecure packaging to prevent damage.\u003c\/li\u003e\n\u003cli\u003eShipped via FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the main purpose of this module?\u003c\/strong\u003e\u003cbr\u003eIt allows modern ControlLogix controllers to communicate with older DH+ networks and Remote I\/O devices, facilitating system upgrades and integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan both channels operate differently?\u003c\/strong\u003e\u003cbr\u003eYes, each channel can be independently configured as either a DH+ or a Remote I\/O network.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs special software needed for configuration?\u003c\/strong\u003e\u003cbr\u003eYes, you configure the network type and parameters using Rockwell Automation's RSLogix 5000\/Studio 5000 software.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51050792517764,"sku":"1756-DHRIO","price":177.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1756-DHRIO-1.jpg?v=1767704836","url":"https:\/\/www.etowonauto.com\/az\/products\/1756-dhrio-allen-bradley-controllogix-communication-module","provider":"Etowon Auto","version":"1.0","type":"link"}