A-B 1756-CNB
The A-B 1756-CNB module is an interface module in the ControlLogix family of controllers manufactured by Rockwell Automation (Allen-Bradley). It is mainly used to connect ControlLogix controllers to the ControlNet network for communication and data exchange between different devices.
Main function
ControlNet Interface: Provides ControlNet network interfaces for communication with other devices that support the ControlNet protocol.
Data transfer: Transfer data, including I/O data, configuration information, etc., between the ControlLogix controller and the ControlNet network.
Network topology: Participate in building the ControlNet network topology to connect devices.
Product parameters and specifications (typical values, refer to the product data manual)
Network protocol: ControlNet
Data transfer rate: depends on the network configuration
Number of nodes: Multiple nodes can be connected
Power supply: From ControlLogix baseboard