1791-16B0 is compatible with various Allen-Bradley programmable logic controllers. Those are PLC-2, PLC-3, PLC-5/250, PLC-5, and SLC. The wiring connections for this module are easy to modify. A removable terminal strip feature is designed to replace or connect any wiring to the I/O block. You need to unscrew 2 captive screws from the terminal strip first before using it. Be aware of the technical input specifications of this I/O block. Be sure that any devices connected with this I/O block must have compatible voltage and current specifications. 1791-16B0 also has programmable controller user interface that allows you to easily navigate and control this I/O block. There is a power supply built into the module along with internal protection. The status indicator located on this module is used during troubleshooting. Switch assemblies are located behind the front cover. These switch assemblies are used for setting last state, last chassis, and I/O rack number. The block I/O offers a complete I/O interface that includes the functionality of adapter and an I/O rack.
