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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
N O T E
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