{"product_id":"allen-bradley-1768-cnb-compactlogix-controlnet-communication-module","title":"Allen-Bradley 1768-CNB CompactLogix ControlNet Communication Module","description":"\u003ch2\u003eAllen-Bradley 1768-CNB CompactLogix ControlNet Communication Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1768-CNB\u003c\/strong\u003e serves as the primary \u003cstrong\u003e1768-CNB\u003c\/strong\u003e Communication Interface utilized to execute ControlNet network data exchange across CompactLogix platforms. The module provides network bridging functions, controller communication paths, and deterministic industrial data transfer at 5 Mbps.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1768-CNB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.57 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 - 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5.14 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCommunication Interface Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eCompactLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Type\u003c\/td\u003e\n\u003ctd\u003eControlNet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Rate\u003c\/td\u003e\n\u003ctd\u003e5 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Connections Supported\u003c\/td\u003e\n\u003ctd\u003e48 connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Number of Nodes\u003c\/td\u003e\n\u003ctd\u003e99 nodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Width\u003c\/td\u003e\n\u003ctd\u003e1 slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e1 A at 5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e5.14 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e17.5 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e30 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNonoperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 - 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe 1768-CNB communication module integrates CompactLogix control architecture with ControlNet deterministic network communication. The module supports up to 48 Logix connections and 99 network nodes while maintaining scheduled and unscheduled data transfer through the ControlNet infrastructure.\u003c\/p\u003e\n\u003cp\u003eThe CompactLogix platform uses modular backplane communication for controller-to-module data exchange. Firmware flash compatibility within the CompactLogix family supports controller configuration maintenance and communication module lifecycle management.\u003c\/p\u003e\n\u003cp\u003eThe module design includes electrical isolation between network communication circuits and internal controller interfaces. This architecture supports stable data transmission for applications requiring controlled communication timing and multi-node network coordination.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What network protocol does the 1768-CNB communication module support?\u003cbr\u003eA: The module communicates through the ControlNet network with a communication rate of 5 Mbps.\u003c\/p\u003e\n\u003cp\u003eQ: How many network connections and nodes can the module support?\u003cbr\u003eA: The module supports up to 48 connections and a maximum of 99 ControlNet nodes.\u003c\/p\u003e\n\u003cp\u003eQ: What is the required backplane power loading for the module?\u003cbr\u003eA: The module requires 1 A at 5 V backplane current and has a power consumption of 5.14 W.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1768-CNB module in the designated CompactLogix chassis slot and verify backplane compatibility before applying system power.\u003c\/p\u003e\n\u003cp\u003eConnect ControlNet network cables according to the approved network topology. Maintain proper cable routing separation from high-voltage power wiring to reduce electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eVerify network addressing, node configuration, and controller communication parameters before commissioning. Apply correct shield grounding practices for ControlNet cabling according to the installation standard used by the control system.\u003c\/p\u003e\n\u003cp\u003eEnsure the installation environment remains within the specified operating temperature range and protect the module from excessive vibration, conductive contamination, and unauthorized physical access.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43661917814874,"sku":"1768-CNB","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1768-CNB2.jpg?v=1784095433","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1768-cnb-compactlogix-controlnet-communication-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}