1756-CNBR ControlLogix Communication Module

Manufacturer

Automation

Condition

100% New Original

Brand

Isolation Voltage

30 Volts Continuous

Part Number/Catalog No.

1756-CNBR

Enclosure

Open Type

Module Type

Communication Module

Backplane Current

1.7 milliamps

Manufacture Year

2021

Max Number of Nodes

99

Product Package

Original Package

Slot Width

1

The 1756-CNBR supports transmission rate of 5Mbps, which is the standard transmission rate of the ControlNet protocol. It uses a quad shield RG-6 coaxial cable as trunk cable and established connection to the trunk cable with the use of ControlNet taps. This module supports 40-48 Logical communication connections and a maximum of 64 connections. The maximum number of nodes supported by the 1756-CNBR is 99 nodes.

The 1756-CNBR may be installed along the ControlLogix processor as a local communication module or to any distributed I/O rack as the head communication module. It is compatible with a variety of ControlLogix rack such as 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17. It may be installed to any available slot and only requires single slot in the chassis.

The 1756-CNBR communication module is backplane powered and draws 970 mA at 5.1VDC and 1.7 mA at 24VDC. It has a power dissipation of 5.1 Watts and Thermal dissipation of 17.4 BTU/hr.

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