AB 1756-CNBR/E

The AB 1756-CNBR/E is a control network redundancy module for the ControlLogix family of programmable logic controllers (PLCS) from Rockwell Automation. It can connect two ControlLogix systems together to form a redundant control network to improve system reliability and availability. The module has the following features:

Support ControlNet, EtherNet/IP, DeviceNet and other control network protocols
Support hot switch function, can be seamlessly switched to the backup system in the event of failure
The fault diagnosis function helps you quickly locate faults

Product parameters:

Supported protocols: ControlNet, EtherNet/IP, DeviceNet

Hot change time: < 20ms
Fault diagnosis: Supports the diagnosis of network faults, module faults, and CPU faults
Specifications:

Dimensions: 89 mm x 35.6mm x 25.4mm (3.50″ x 1.40″ x 1.00″)
Mounting method: DIN rail mounting
Certification: UL, CUL, CE, CB, CCC