Keithley 2700 - Repair Considerations for Troubleshooting

Model 2700 Multimeter/Switch System User’s Manual Close/Open Switching Module Channels 2-27
Figure 2-10
Testing DUT 1
1. Open all channels. For most switching modules, channels remain closed after the
Model 2700 is turned off. Therefore, it is good safe practice to open all channels at
the start and end of the test.
Front panel operation: Press OPEN > Display ALL > Press OPEN
Remote programming: ROUT:OPEN:ALL
2. Close channels 23 and 25.
Front panel operation: Press CLOSE > Select MULTI > Key in 123 >
Press ENTER
Press CLOSE > Select MULTI > Key in 125 >
Press ENTER
Remote programming: ROUT:MULT:CLOS (@123,125)
DMM
Model 7700 Switching Module
Model 2700
Slot 1
Equivalent Circuit
DUT
1
Ch 23
(Closed)
HI
LO
HI
LO
HI
LO
HI
LO
HI
LO
DMM
Mutliple channel operation:
Open channels
Close channel 123
Close channel 125
Close channel 101
Close channel 111
DUT
1
External
Source
External
Source
Input
Ch 25
Ch 1
Sense
Ch 24
Ch 11
Sense