The Allen-Bradley 1771-DXPS is a Control Coprocessor Serial Expander Module designed for use within the 1771 I/O chassis system. It functions as a serial communication expander that enhances the processing capabilities of PLC-5 controllers by providing additional serial interface ports. The module supports data exchange between the PLC processor and serial devices, enabling expanded control and communication in industrial automation applications. Its compact design fits a single slot in the 1771 chassis, ensuring efficient integration and reliable operation in demanding control environments. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number 1771-DXPS Module Type Control Coprocessor Serial Expander Module Series PLC-5 / Bulletin 1771 Function Serial communication expansion and coprocessing Form Factor Single slot, 1771 I/O chassis mount Status Discontinued by Manufacturer
