4 Features and Functions
216 Keysight 34970A/34972A User’s Guide
34903A 20-Channel Actuator
This module contains 20 independent, SPDT (Form C) latching relays. Screw
terminals on the module provide access to the Normally-Open, Normally-Closed,
and Common contacts for each switch. This module does not connect to the
internal DMM.
A breadboard area is provided near the screw terminals to implement custom
circuitry, such as simple filters, snubbers, and voltage dividers. The breadboard
area provides the space necessary to insert your own components but there are
no circuit board traces here. You must add your own circuitry and signal routing.
– You can close multiple channels at the same time on this module.
– The channel CLOSE and OPEN commands control the state of the Normally
Open (NO) to COM connection on each channel. For example, CLOSE 201
connects the Normally Open contact to COM on channel 01.
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