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© Sealevel Systems, Inc.
4030 Manual | SL9362 9/2021
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 50-pin connectors have the following pin out which is compatible with a wide variety of solid-state
relay racks:
