1756-CNBR/E

Overview

The 1756-CNBR/E ControlLogix Communication Module by Allen-Bradley is a high-performance ControlNet communication module, ensuring reliable network connectivity for industrial automation systems.

Module Details

• Location: Chassis

• Module Type: ControlNet communication module

• Series: ControlLogix

• Part Number/Catalog No.: 1756-CNBR

• Brand: Allen-Bradley

Connectivity

• Number of Ports: 2 ControlNet ports

• ControlNet Communication Rate: 5 Mbps

• Logix Communication Connections: 40–48

• Maximum Connections Supported: 64

• Maximum Number of Nodes: 99

Electrical Specifications

• Backplane Current Draw:

  • 5.1 Volts DC: 970 milliamps

  • 24 Volts DC: 1.7 milliamps

• Isolation Voltage: 30 Volts Continuous

• Power Dissipation (Max): 5.5 Watts

Compatibility

• Chassis Models: 1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17

• Standard Power Supplies:

  • 1756-PA72/C, 1756-PA75/B, 1756-PB72/C, 1756-PB75/B, 1756-PC75/B, 1756-PH75/B

• Redundant Power Supplies:

  • 1756-PA75R, 1756-PB75R, 1756-PSCA2

Environmental Specifications

• Operating Temperature Range: 32–140°F (0–60°C)

• Enclosure Type: Open

Physical Properties

• Dimensions (H x W x D): 5.51 x 4.41 x 5.71 inches

• Slot Width: 1

• Weight: 0.64 lbs (0.293 kg)

Communication Cable

• Cable Type: 1786-RG6 quad shield RG6 coaxial cable

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