Chapter 4 Features and Functions

HP 34903A 20-Channel Actuator

HP 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

wx 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.

01

20

NOTES:

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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HP 34970A manual HP 34903A 20-Channel Actuator