34938A 20-Channel High-Current Gp Switch Module; 34938A Simplified Schematic - Keysight Technologies 34937A User Manual

34938A 20-Channel High-Current GP Switch Module

The 34938A high-current GP switch module provides twenty 5 A Form A (SPST)
relays for general purpose switching needs. You can set the power-failure state for
these 5 A relays (see
A temperature sensor on these modules triggers system interrupts when
NOTE
high-carry current-induced heat on the modules reaches a threshold of 70 °C.
See description of the "HOT" annunciator on

34938A Simplified Schematic

18
"Hardware Power-Fail Jumper"
NO
Channel 001
(5A Form A)
COM
NO
Channel 020
(5A Form A)
COM
on page 11).
page 10.
Keysight 34937A-34939A User's Guide