Impulse PIO-48.PC104 (3701) - Manual (Page 3)

© Sealevel Systems, Inc. - 1 - PIO-48.PC104 User Manual
Introduction
The PIO-48.PC104 part number 3701 digital I/O interface provides 48 channels of
buffered drive digital I/O emulating 8255 mode zero. The PIO-48.PC104 can be
utilized for a variety of control and automation applications including control and
monitoring of TTL devices (e.g. LEDs, small solenoids, small relays) and
interfacing to solid-state relay racks (SSRs) for high-power AC or DC loads.
The PIO-48.PC104’s 48 digital I/O channels are accessed via two 50-pin header
connectors with industry-standard pin out. Each header provides 24 bits of digital
I/O divided into two eight-bit ports and two four bit ports for upper and lower
nibble. Each port may be individually configured via software command as input or
output to best match your particular application requirements.
The PIO-48.PC104 is designed to be used with a variety of Operating Systems
including Windows 98/NT/ME/2000/XP and DOS. The SeaI/O API (Application
Programmer Interface) included on CD with the PIO-48.PC104 provides a variety of
useful high-level function calls implemented as a Windows dynamic link library
(DLL). In addition to the API, SeaI/O includes sample code and utilities to simplify
software development.
Other Sealevel PC104 Digital I/O Products
DIO-104.REL (P/N 3710) - 16 Reed Relays
DIO-104.OPTO (P/N 3720) - 16 Optically Isolated Inputs
DIO-32.104 (P/N 3730) - 16 Optically Isolated Inputs/16 Reed Relays