Input Multiplexer Card
Original Publication Date: 1983-Jul-01
Included in the Prior Art Database: 2005-Feb-07
This unit senses variable voltages from multiple sources, compares them to one or more threshold voltages, and transfers related binary state signals to a data processing system via a multiplexed/shared bus. The unit can sense positive and negative voltages, and is adaptable to compare them to positive and negative threshold references.