L4437a 32-channel general purpose switch hardware, Description, L4437a simplified schematic – Agilent Technologies L4400 User Manual
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L4400 User’s Guide
6
L4437A General Purpose Switch
Example: Clearing the cycle count for a relay (all switch modules) The
following command resets the relay cycle count on channels 7 and 16.
DIAGnostic:RELay:CYCLes:CLEar (@1007,1016)
Example: Resetting the Instrument to its power-on state The following
command resets the instrument to its power- on state.
SYSTem:CPON 1
L4437A 32-Channel General Purpose Switch Hardware Description
The L4437A general- purpose switch 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. You can set the
power- failure state for these 5 A relays. See
and
.
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.
L4437A Simplified Schematic
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
N O T E