Honeywell 621-3580RC 24VDC 32 Point Digital Input Module For Industrial Automation

Honeywell 621-3580RC 24VDC 32 Point Digital Input Module For Industrial Automation

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Parallel I/0 configurations are designed for those applications in which long distances between 621 I/0 racks and the processor rack are not required. A maximum of 50 cable feet is allotted for parallel I/0 within a 620-06 system.

The l/0 Expander Module, is housed within the 620-06 rack and provides a 50-pin D connector. This connector is cabled to one of the two ports on a Parallel l/0 Module (PIOM) within the 621 I/0 rack. A maximum of two I/0 racks may be connected via the PIOM ports in a daisy-chain fashion. The 620-06 offers a maximum of 192 I/0 points in a 2K system.

The 620-06 processor module (620-0636) includes three 8-position DIP switches. One is located on the interface pcb; the other two are located on the Microprocessor unit (MPU) pcb.

SW1 on the interface board determines module response to fault conditions and other processor operations functions. SW 1 and SW2 on the MPU board identify the type of l/0 module (0-, 8-, 16-, or 32-point) to be in-talled in designated processor rack slots.