A-B 1756-CN2R
Allen-Bradley 1756-CN2R is a communication module under the ControlLogix controller platform from Rockwell Automation. It is mainly used to implement the redundant configuration of the ControlNet network in the ControlLogix system, providing reliable data transmission. The module has two ControlNet BNC ports that support 5 Mbps transfer speeds and a USB communication port that supports 12 Mbps data rates.
Product parameters and specifications
Port type: Two ControlNet BNC ports, one USB port
Transmission rate: ControlNet port: 5 Mbps; USB port: 12 Mbps
Redundant configuration: Supports redundant configuration to improve network reliability
Number of nodes: A maximum of 99 nodes are supported
Logix communication connections: Up to 128 are supported
Power supply: 5.1V DC or 24V DC
Power consumption: 6.6W
Operating temperature: 0℃ ~ 55℃
Main function
ControlNet Network redundancy: Two ControlNet ports are used for network redundancy to improve system reliability.
USB communication: Provides a USB port for easy configuration and maintenance.
Logix communication: Supports communication with ControlLogix controllers and other devices.
Product characteristics
High reliability: Redundant configuration improves system reliability.
Flexible configuration: Supports multiple configuration modes to meet different application requirements.