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Matrix Switch Modules 5
34980A User’s Guide 145
34931A Simplified Schematic
H
H
L
L
HHHHHHHHLLLLLLLL
L
L
L
L
H
H
H
ABus1
DMM
(MEAS)
ABus2
DMM
(SENS)
ABus3
ABus4
922
923
924
921
HLHLHLHLHLHLHLHL
L
L
L
L
H
H
H
H
H
H
H
L
L
L
L
Matrix 1
Matrix 2
NOTE: Three-digit channel numbers are
derived from the intersection of the rows and
columns, columns having two digits. The
intersection shown here represents Channel
304 (Row 3, Column 4)
Row 1
Row 2
Row 3
Row 4
Col 1 Col 2 Col 3 Col 4 Col. 6 Col 7 Col 8Col 5
Col 1 Col 2 Col 3 Col 4 Col 6 Col 7 Col 8Col 5
Analog Buses
NOTE: Although columns are numbered the
same on the two matrices, they are electrically
separate.
NOTE:
Matrix relays: Armature latching
Analog Bus relays: Armature non-latching
Row 1
Row 2
Row 3
Row 4
Row 1
Row 2
Row 3
Row 4