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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
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.
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.
168
01
20
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