A-B 1756-CN2R Communication module

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A-B 1756-CN2R

The Allen-Bradley 1756-CN2R is a communication module designed for the ControlLogix controller platform. The module has two ControlNet BNC ports that support 5 Mbps transfer speeds and a USB communication port that supports 12Mbps data rates. It is mainly used to implement the redundancy configuration of the ControlNet network in the ControlLogix system to improve system reliability.

Main parameters and specifications
Model: 1756-CN2R

Type: ControlNet Redundant interface module
Ports: 2 ControlNet BNC ports, 1 USB port
Transfer rate: ControlNet port 5 Mbps, USB port 12 Mbps
Network: ControlNet
Functions: Redundancy configuration, data transmission
Installation: ControlLogix rack
Power supply: 5.1V or 24V DC
Operating temperature: 0℃ to 55℃

Product characteristics
Redundant configuration: Provides redundant ControlNet connections to improve system reliability
High-speed transmission: The ControlNet transmission speed of 5 Mbps meets the needs of most industrial applications
USB interface: easy to communicate and configure with the host computer
Easy installation: pluggable installation, easy maintenance
Supports a large number of nodes: up to 99 nodes are supported