{"product_id":"1756-dhrio-communication-module-allen-bradley","title":"1756-DHRIO Communication Module Allen-Bradley","description":"\u003ch2\u003eAllen-Bradley 1756-DHRIO ControlLogix Communication Module\u003c\/h2\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer and Brand:\u003c\/strong\u003e Allen-Bradley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e \u003cstrong\u003e1756-DHRIO\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e ControlLogix\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Type:\u003c\/strong\u003e Data Highway\/Remote I-O Communication Interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Speeds:\u003c\/strong\u003e 57.6 Kbaud, 115.2 Kbaud, 230.4 Kbaud\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Current:\u003c\/strong\u003e 1.7 mA at 5V, 850 mA at 24V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Power Dissipation:\u003c\/strong\u003e 4.5 Watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e \u003cspan style=\"color: #2e86ab;\"\u003e0-60 °C (32-140 °F)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlot Width:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.64 pounds (0.293 kilograms)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNetwork Setup and Installation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlways set the network type switches for each channel before installation.\u003c\/li\u003e\n\u003cli\u003eUse recommended Belden 89463 twinaxial cable for reliable performance.\u003c\/li\u003e\n\u003cli\u003eInstall a \u003cspan style=\"color: #a23b72;\"\u003e150-Ohm terminating resistor\u003c\/span\u003e for 57.6\/115.2 Kbaud networks.\u003c\/li\u003e\n\u003cli\u003eInstall an \u003cspan style=\"color: #a23b72;\"\u003e82-Ohm terminating resistor\u003c\/span\u003e for 230.4 Kbaud networks.\u003c\/li\u003e\n\u003cli\u003ePlace these resistors at the first and last node of your daisy-chain network.\u003c\/li\u003e\n\u003cli\u003eThe module connector uses Phoenix MVSTBR2.5\/3-ST BK AU terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommunication and Protocol Support\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe module acts as a scanner for Remote I\/O networks.\u003c\/li\u003e\n\u003cli\u003eIt enables messaging with PLC-5, SLC, and other ControlLogix controllers.\u003c\/li\u003e\n\u003cli\u003eThis interface supports connections to Flex I\/O and POINT I\/O systems.\u003c\/li\u003e\n\u003cli\u003eYou can transfer analog, digital, and block data without message instructions.\u003c\/li\u003e\n\u003cli\u003eThe system supports up to 32 simultaneous Logix connections for data exchange.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003ch4\u003eWhat is the condition of the 1756-DHRIO module?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eWe stock only \u003cstrong\u003ebrand new, original\u003c\/strong\u003e Allen-Bradley modules. Every unit comes in its factory-sealed packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eHow quickly can you ship the module?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eWe process orders and ship from our warehouse within \u003cstrong\u003e5 business days\u003c\/strong\u003e. You will receive a tracking number as soon as it ships.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhich logistics carriers do you use?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eWe ship globally using reliable express carriers like \u003cstrong\u003eDHL, FedEx, and UPS\u003c\/strong\u003e. This ensures you receive your order quickly and safely.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat is your returns policy?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eWe offer a \u003cstrong\u003e30-day return policy\u003c\/strong\u003e for all our products. Please contact our sales team to initiate a return request.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat are the supported network speeds?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThe module supports three baud rates: \u003cspan style=\"color: #2e86ab;\"\u003e57.6K, 115.2K, and 230.4K\u003c\/span\u003e. The maximum speed depends on your total network cable length.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDo I need special cables for the DH+ network?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eYes, we recommend using \u003cstrong\u003eBelden 89463\u003c\/strong\u003e or an equivalent twinaxial cable. Proper cabling is crucial for stable network communication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCan this module communicate with older PLCs?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAbsolutely. The \u003cstrong\u003e1756-DHRIO\u003c\/strong\u003e is designed to bridge ControlLogix systems with older devices like PLC-5 and SLC controllers using DH+.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor pricing and availability, please contact: \u003cu\u003e\u003cstrong\u003esales@nex-auto.com\u003c\/strong\u003e\u003c\/u\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45400583307425,"sku":"1756-DHRIO","price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/1756-DHRIO.jpg?v=1763714917","url":"https:\/\/www.autonexcontrol.com\/fr\/products\/1756-dhrio-communication-module-allen-bradley","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}