The Allen Bradley 1756-PAR2 module is a ControlLogix communication module.
The Allen Bradley 1756-PAR2 module is a ControlLogix communication module. It provides a communication interface between a ControlLogix controller and other devices or networks. The 1756-PAR2 module specifically supports parallel I/O communication. It offers 96 user-configurable bits for both input and output data, allowing for efficient data transfer between the controller and parallel devices.