Card Configuration - Keithley 2000-SCAN-20 Instruction Manual

2-4 Card Connections and Installation
Card configuration
Figure 2-1
card has 20 input channels and two outputs. Channels 1 through 20 are all switched by relays.
In 2-pole mode, the OUT A HI and LO connections are for all 20 channels. In 4-pole mode,
the OUT A HI and LO connections are for channels 1 through 10 and the OUT B HI and LO
connections are for channels 11 through 20.
4-pole paired channels are as follows:
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•
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Figure 2-1
Model 2000-SCAN-20 simplified schematic
User-installed
current shunt
Channel 1
Channel 2-9
Channel 10
User-installed
current shunt
Channel 11
Channel 12-19
Channel 20
shows a simplified schematic diagram of the Model 2000-SCAN-20. The scanner
Channels 1 and 11
Channels 2 and 12
Channels 3 and 13
Channels 4 and 14
Channels 5 and 15
Channels 6 and 16
Channels 7 and 17
Channels 8 and 18
Channels 9 and 19
Channels 10 and 20
HI
LO
HI
LO
4-Pole
HI
LO
HI
LO
HI
OUT A
(To DMM input jacks)
LO
HI
OUT B
(To DMM sense jacks)
LO
2-Pole