● Remote intelligent A/D I/O unit with opto-isolated RS-485 interface to host computer

● NEMA 4 enclosure for harsh atmospheric and marine environments

● Type 8031 microcontroller with 32K x 8 bits RAM and 32K x 8 bits EEPROM.

● Two-channel 24-bit A/D delta-sigma converter

● Bi-polar and unipolar voltage input ranges of 2.5 V and 5 V

● Self-calibrating or auto-calibrating modes to eliminate drift errors

● 13-bit digital port with each bit programmable as either input or output

● Constant current source for thermocouple cold-junction compensation

● Precision 10 VDC excitation for transducers

● All programming in software, almost no switches.

● Remote Data Acquisition

● Supervisory Control

● Building Automation

● Direct Digital Control

● Process Monitoring and Control

● Energy Management

● Security Systems

● Relay Control

Drivers for various operating systems are also provided, including active support for Windows XP -> 10 — all in both 32-bit and 64-bit flavors, and including consumer, server, and embedded varieties — as well as the 2.6 and newer Linux kernels and recent OSX / macOS versions. Many products continue to ship with driver support for Windows 95, 98, Me, NT4, and Windows 2000, but support for these operating systems is considered deprecated.