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Digital i/o interface – Impulse 4030 User Manual

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PIO-48 User Manual

Digital I/O Interface

The PIO-48’s 48 digital I/O channels are accessed via two 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 install the bracket assembly and cables to the PIO-48 prior to
installing it in the PC. The PIO-48’s bracket features a unique cable clamp that
provides a solid strain relief to prevent inadvertent cable removal.

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