A-B 1756-CN2R Communication module

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A-B 1756-CN2R

The Allen-Bradley 1756-CN2R module is a communication module designed for ControlLogix controllers under the Allen-Bradley brand of Rockwell Automation. It is mainly used to realize the connection of the ControlNet network in the ControlLogix system, and realize the communication and data exchange between different devices through the ControlNet protocol.

Main function

ControlNet Network connection: Two 5 Mbps ControlNet BNC ports and one 12 Mbps USB communication port are available.
Redundancy support: Supports redundant ControlNet topology to improve network reliability.
High-speed communication: provides high-speed data transmission to meet the needs of real-time control.
Flexible configuration: Software can be flexibly configured to adapt to different network topologies.
Product parameters (typical values, subject to official data)
Number of ports: 2 ControlNet BNC ports, 1 USB port
Transfer rate: ControlNet port 5 Mbps, USB port 12 Mbps
Network topology: Supports redundant ControlNet topology
Protocol: ControlNet protocol
Operating temperature: 0℃ ~ 55℃
Mounting method: DIN rail mounting
Application field
Industrial automation: Build ControlNet network in ControlLogix system to connect various I/O modules, drives, Hmis and other devices.
Process control: In the process control system to achieve distributed control, improve the flexibility and scalability of the system.
Machine automation: The realization of communication and data exchange between devices in a machine automation system.