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Allen-Bradley 1756-CNB ControlNet Communication Bridge Module

Allen-Bradley 1756-CNB ControlNet Communication Bridge Module

  • Product Item : 1756-CNB
  • Product Brand : Allen-Bradley
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The Allen-Bradley 1756-CNB or ControlNet Bridge module is an interface module used for interfacing a ControlLogix rack to ControlNet network. Compared to the Allen-Bradley 1756-CNBR module, the 1756-CNB is used in standard, non-redundant configuration. This module is perfect if the user applications have 40 to 48 Logix communication connections per communication module. It has a communication rate of 5 megabytes per second and it has 99 nodes available. The 1756-CNB module handles 2 things, namely the control of I/O data when it is used with a Logix5550 controller for scheduled data and for unscheduled data, bridging data between the ControlLogix backplane and the ControlNet Network. Make sure that the path information is correct in order to properly route the messages it receives.

Technical specifications for 1756-CNB

ManufacturerRockwell Automation

BrandAllen-Bradley

Part Number/Catalog No.1756-CNB

SeriesControlLogix

Module TypeBridge Module

Maximum Nodes99

Maximum Connections64

ControlNet Communication Rate5 megabits-second

ConfigurationStandard

Input Current970 milliamps at 5.1 Volts DC, 1.7 milliamps at 24 Volts DC

Thermal Dissipation17.4 BTU per Hour

Power Dissipation5.1 Watts

Slot width1

UPC10612598174079

Weight0.57 pounds (0.26 kilograms)


1756-CNBR

Redundant Bridge Module, 5.1 Watts, 5 Mbps, 40-48 Logix Communication Connections

1756-CNBRK

Redundant Bridge Module, 5.1 Watts, 5 Mbps, 40-48 Logix Communication Connections