• 1756-CNB/A Allen Bradley ControlNet Bridge Module
  • 1756-CNB/A Allen Bradley ControlNet Bridge Module
  • 1756-CNB/A Allen Bradley ControlNet Bridge Module
  • 1756-CNB/A Allen Bradley ControlNet Bridge Module
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1756-CNB/A Allen Bradley ControlNet Bridge Module

  • Allen Bradley
  • USA
  • 2024
  • In Stock
The 1756-CNB/A Allen-Bradley ControlNet Bridge Module facilitates communication in ControlLogix systems. It features one port, supports single coaxial media, allows up to 64 connections, and operates at 24 VDC, ensuring reliable data transfer in industrial applications.

Product Specification


SpecificationProduct Image
ManufacturersAllen-Bradley1756-CNB/A
Dimensions2.0" x 6.0" x 6.0"(5.1 cm x 15.2 cm x 15.2 cm)
Weight0 lbs 9.0 oz (0.3kg )
Tariff Code8538907080
ControlNet Interface1 BNC connector for non-redundant media operation
Product No.

1756-CNB /A

CableQuad shield RG-6 coaxial cable
Power Dissipation5.14 W
Thermal Dissipation17.5 BTU/hr
Operational Temperature0 to 60°C (32 to 140°F)
Physical Any slot in a 1756 chassis


Product Details



Allen-Bradley 1756-CNB ControlLogix ControlNet Bridge Module links to route messages to devices on other networks, monitors & control I/O modules located remotely from the ControlLogix controller. 1756-CNB provides adapter functionalit

y for remote ControlLogix I/O modules, messaging data for configuration & programming info, operator interfaces, upload/download. 1756CNB supports I/O bridge functionality, transfer of scheduled data via produced/consumed tags, unscheduled MSG instruction communication with other ControlNet nodes, local network access via NAP.

AB 1756-CNB/A


If you want to more details,please contact me without hesitate.Email:sales@sparecenter.com


Summary AB 1756-CNB/A



The 1756-CNB is an Allen-Bradley ControlNet bridge that can be used to communicate within control networks. Unlike other communication modules in the 1756 series, the 1756-CNB uses either a standard or non-redundant configuration. If the users’ application contains 40 to 80 Logic connectors per every single module, then the 1756-CNB is an ideal option. 


With a communication rate of 5 megabytes per second as well as 99 nodes, this Allen-Bradley communication module gives superior speeds to industrial projects. The 1756-CNB does two things: controlling the I/O data—especially when it is used with the Logix5550 co

ntrollers for both scheduled and unscheduled data and bridging data that travels between ControlLogix backplanes as well as ControlNet Networks. Make sure that the path information is correct to properly route the messages it receives.



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AB 1756-CNB/A AB 1756-CNB/A AB 1756-CNB/A AB 1756-CNB/A

AB ontrolNet Bridge Module AB ontrolNet Bridge Module AB ontrolNet Bridge Module

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AB ontrolNet Bridge Module AB ontrolNet Bridge Module AB ontrolNet Bridge Module

AB 1756-CNB/A AB 1756-CNB/A AB 1756-CNB/A AB 1756-CNB/A AB 1756-CNB/A

Allen Bradley 1756-CNB Allen Bradley 1756-CNB Allen Bradley 1756-CNB Allen Bradley 1756-CNB


1756-CNB

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