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118 34980A User’s Guide
4 Low Frequency Multiplexer Switch Modules
34923A Simplified Schematic for One-Wire Mode
This drawing shows two independent 40- channel 1-wire MUXes. To
change configuration modes, use the SYSTem:MODule:WIRE:MODE
command.
ABus2
DMM
(SENS)
ABus3
ABus4
ABus1
DMM
(MEAS)
HH H H
021
022
023
024
025
026
027
028
029
030
011
012
013
014
015
016
017
018
019
020
031
032
033
034
035
036
037
038
039
040
001
002
003
004
005
006
007
008
009
010
911 912 913 914
921 922 923 924
HL
HL HLHL
HL
071
072
073
074
075
076
077
078
079
080
061
062
063
064
065
066
067
068
069
070
051
052
053
054
055
056
057
058
059
060
041
042
043
044
045
046
047
048
049
050
H
H
H
H
HL
HL HL HL HL
100Ω
100Ω
100Ω
100Ω
100Ω
100Ω
100Ω 100Ω
100Ω
100Ω
100Ω
100Ω
COM 2
Analog Buses
Bank 2
NOTE: The three-digit number
assigned to each switch represents
the channel number.
NOTE:
Bank relays: Reed non-latching
Analog Bus relays: Armature non-latching
COM 1
Bank 1