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Programming the sealink pio-96, Digital i/o interface – Impulse 8205 User Manual User Manual

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SeaLINK PIO-96 User Manual

Digital I/O Interface

The SeaLINK PIO-96’s 96 digital I/O channels are accessed via four industry-
standard 50-pin header connectors. Each header provides 24 bits of digital I/O
divided into three eight-bit ports. Each port may be individually configured via
software command as input or output.

50-pin Header Connectors

You will need to open the SeaLINK PIO-96’s enclosure to access the four header
connectors P2, P3, P4, and P5 (see Appendix B for connector locations). To open,
remove the four screws found on the bottom panel of the unit. Once cables are
connected to the headers reassemble the enclosure with the cables exiting the
opening on the back panel of the unit.

Each of the four 50-pin connectors has the following pin out which is compatible
with a wide variety of solid state relay racks: