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1756-CNBR | Allen Bradley | ControlLogix

  • Brand/ Manufacturer:

    Allen Bradley
  • Dimensions:

    17x13x3.2cm
  • Weight:

    0.25kg
  • Country of Origin: :

    United States
  • Description:

    ControlLogix Communication Module

Mfr. Part Number:

1756-CNBR

Manufacturer:

         Allen-Bradley / Rockwell Automation

Description:

Allen-Bradley 1756-CNBR ControlLogix ControlNet Redundant Media Bridge Module

Full Description:

Allen-Bradley 1756-CNBR ControlLogix ControlNet Redundant Bridge Module, 

Communication Rate: 5 Mbps, Connections: 40-48 (any combination of scheduled and 

unscheduled Connections)


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The Allen-Bradley 1756-CNBR, or ControlNet Bridge Redundancy, is an interface module used for communicating within a ControlNet Network. 


It is the same as the 1756-CNB but the biggest difference is that the 1756-CNBR has an additional ControlNet port, which will support redundant media. This module has 2 ControlNet BNC port while the 1756-CNB only has one, although both of them have 1 ControlNet RJ45 port.


Like the non-redundant module, the 1756-CNBR also controls scheduled data in conjunction to the Logix5550 Controller and bridges unscheduled data between the ControlLogix backplane and the ControlNet Network.


To prevent communication loss when a tap or trunkline is disconnected, a redundant ControlNet media can be used. For that connection, the only module you can use is the 1756-CNBR.


Manufacturer

Rockwell Automation

Location

Chassis

Module Type

ControlNet communication module

Series

ControlLogix

Part Number/Catalog No.

1756-CNBR

Brand

Allen-Bradley

No. of Ports

Two (2) ControlNet ports

Backplane Current (5.1 Volts DC)

970 milliamps

Backplane Current (24 Volts DC)

1.7 milliamps

Isolation Voltage

30 Volts Continuous

Power Dissipation (Max)

5.5 Watts

Enclosure

Open Type

Communication Cable

1786-RG6 quad shield RG6 coaxial cable

Dimensions

5.51 x 4.41 x 5.71 inches

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