Keysight / Agilent 44427A Overview

The 44425A 16 Channel Isolated Digital Input/Interrupt is used in the 3497A Data Acquisition System and can sense up to 16 channels of digital data. The first 8 channels can also be used as interrupt lines to detect transient signals. Inputs of 5, 12, or 24 volts are acceptable. A five volt supply is provided for driving external contact closures and open collector outputs.

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