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General Purpose Switch Modules 6
34980A User’s Guide 171
34938A 20-Channel High-Current GP Switch
The 34938A high-channel GP switch module provides twenty 5 A Form A
relays for general purpose switching needs. You can set the power-failure
state for these 5 A relays. See page 164 and page 165.
34938A 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.
Channel 001
(5 A Form A Relay)
Channel 020
(5 A Form A Relay)
COM
NO
COM
NO