Allen-Bradley 1791-IOBX I/O module block

Product Item : 1791-IOBX
Product Brand : Allen-Bradley
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The 1791-IOBX is an I/O module block manufactured by Allen Bradley of Rockwell Automation. It contains 64 sink input channels and 64 source output channels. It consists of many self-contained, small I/O devices with supplied power, various signal conditioning circuitry, input/output connections, and an interface for programmable control. It has an input/output status LED array and separate LED indicators to indicate Power, Active, Communication, and Fuses. Pushbuttons are provided for selecting the display for either input or output. Additionally, a rack address switch, a termination register switch, and configuration switches are provided on the device. This configuration switch could be used to set I/O groups, last state, last rack, transmission rate, rack address, and processor restart lockout. The 1791-IOBX also has 4 separate, removable, 37-pin terminal blocks mounted on either side. In addition, one more non-removable terminal block is provided for connecting the I/O module to external 24 Volts DC power. The 1791-IOBX is a very efficient I/O module that provides the functionality of the I/O module, I/O rack, adapter, and power supply, in a single unit.