Troubleshooting and Diagnostics 4
34980A Service Guide 113
34937A 32-Channel GP Switch
The 34937A general-purpose switch module provides independent
control of:
• Twenty-eight Form C (DPST) latching relays rated at 1 A
• Four Form A (SPST) latching relays rated at 5 A.
A simplified schematic is shown below.
For the 34937A, relay part numbers are given on page 132 and the component locator is
shown on page 147. The table below shows the relationship of channel numbers to relay
numbers.
Bank 1 Bank 2
Channel Relay Channel Relay
001 K601 015 K615
002 K602 016 K616
003 K603 017 K617
004 K604 018 K618
005 K605 019 K619
006 K606 020 K620
007 K607 021 K621
008 K608 022 K622
009 K609 023 K623
010 K610 024 K624
011 K611 024 K625
012 K612 026 K626
013 K613 027 K627
Form A Form A
029 K629 031 K631
030 K630 032 K632
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