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© Sealevel Systems, Inc. 3093H Manual | SL9024H 12/2022
Introduction
The DIO-32B digital I/O interface provides 16 optically isolated inputs and 16 reed relay outputs. The inputs
(rated for 10-30V) protect the PC and other sensitive equipment from spikes and ground loop current that
can be generated in industrial environments, while the outputs provide high quality, long life, low current
(10 Watt maximum), dry contact switch closures. Reed relays are well suited for low current applications.
The relays are normally open, and close when energized.
The DIO-32B is designed to be used with a variety of Operating Systems including Windows
98/NT/ME/2000/XP, Linux, and DOS. The SeaI/O API (Application Programmer Interface) available for the
DIO-32B provides a variety of useful high-level function calls implemented as a Windows dynamic link
library (DLL) and as a Linux kernel module and library. In addition to the API, SeaI/O includes sample code
and utilities to simplify software development.
Other Sealevel ISA Digital I/O Products
DIO-16 (P/N 3096) - 8 Reed Relay Outputs / 8 Opto-Isolated Inputs
ISO-16 (P/N 3094) - 16 Optically Isolated Inputs
REL-16 (P/N 3095) - 16 Reed Relay Outputs
REL-32 (P/N 3098) - 32 Switched Relay Outputs
PIO-48 (P/N 4030) - 48 TTL Inputs/Outputs