The Allen-Bradley 1756-OB32 is a digital output module from the ControlLogix series manufactured by Rockwell Automation (Allen-Bradley).
The 1756-OB32 module is a digital output module manufactured by Allen Bradley, a brand owned by Rockwell Automation.
The Allen Bradley 1756-OB32 is a digital output module for the Allen Bradley ControlLogix series of programmable logic controllers (PLCs).