The Bulletin 1756 ControlLogix® suite of chassis-based modules offer a wide range of options to meet your needs. Allen-Bradley® catalog item 1756-CPR2 from Rockwell Automation® is a 1 M ControlLogix® redundant supply cable. It connects a redundant power supply to a 1756-PCSA2 chassis adapter.Allen-Bradley and ControlLogix are trademarks of Rockwell Automation, Inc.
The 1756-DHRIO is an Allen-Bradley communication module that support Remote I/O and Data Highway Plus (DH) protocol. This module has embedded Two (2) ports for Channel A and B each with a with 3-Pin terminal for wiring Data Highway Plus (DH+) or Remote I/O (RIO) and a single 8-Pin mini-DIN port that is connected parallel to Channel A.