A-B 1756-CNBR
The Allen-Bradley 1756-CNBR module is a ControlNet interface module from Rockwell Automation for the ControlLogix family of PLC systems. It is mainly used to connect the PLC with devices that support the ControlNet protocol (such as servo drivers, I/O modules, etc.) to achieve high-speed, real-time communication.
Main function
ControlNet Network connection: Provides ControlNet network interfaces to connect devices that support the ControlNet protocol.
High-speed data transmission: Support high-speed data transmission, to meet the requirements of high real-time applications.
Flexible network topologies: Supports multiple network topologies to adapt to different application scenarios.
Diagnostic function: Provides a variety of diagnostic functions to facilitate network mon
itoring and troubleshooting.
Product parameters and specifications
Ports: Two ControlNet ports
Data rate: 5 Mbps
Network topology: Supports star, line, and tree topologies
Installation mode: Installed on the ControlLogix rack
Power supply: Provided by PLC system
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