The Allen-Bradley ControlLogix 1756-OB16IS is a ControlLogix I/O module featuring 16 individually isolated outputs and 8 scheduled outputs. It supports a 12/24 V DC sink/source voltage range and operates within a 10-30 V DC voltage range.
The 1756-OF6VI is an analog output module within Allen-Bradley’s Logix controller platform, offering six (6) voltage output channels, each individually isolated.
The Allen-Bradley 1756-RIO is a ControlLogix Remote I/O module that provides RIO connectivity and can operate as either a scanner or an adapter in the RIO network.