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6 Agilent 34937A-34939A General Purpose Switch Modules User’s Guide
34937A 32-Channel GP Switch Module
34937A 32-Channel GP Switch Module
The 34937A general- purpose switch module provides independent control
of:
• Twenty-eight Form C (SPDT) latching relays rated at 1 A
• Four Form A (SPST) latching relays rated at 5 A. You can set the
power- failure state for these 5 A relays (see “Hardware Power-Fail
Jumper” on page 2).
34937A Simplified Schematic
NOTE
A temperature sensor on these modules triggers system interrupts
when high-carry current-induced heat on the modules reaches a
threshold of 70
o
C. See description of the “HOT” annunciator on
page 2.
Channel 001
(1A Form C)
COM
NO
NC
Channel 028
(1A Form C)
COM
NO
NC
COM
Channel 032
(5A Form A)
NO
COM
Channel 029
(5A Form A)
NO