Figure 2-10 Testing Dut - Keithley 2701 User Manual

2-28 Close/Open Switching Module Channels
Figure 2-10
Testing DUT 1
External
Source
Test procedure:
NOTES The following test procedure assumes a Model 7700 switching module installed
Model 7700 Switching Module
HI
Sense
LO
HI
DUT
Ch 1
1
LO
HI
Ch 11
LO
Mutliple channel operation:
Open channels
Close channel 123
Close channel 125
Close channel 101
Close channel 111
in slot 1 of the mainframe.
The procedure assumes that the instrument is operating in the continuous
measurement (triggering) mode (see
Do not use the following procedure to perform thermocouple temperature
measurements with the INTernal or EXTernal reference junction selected. The
SIMulated reference junction will instead be used resulting in invalid readings.
The "ERR" annunciator will turn on to indicate that the integrity of the
temperature reading is questionable.
Model 2701 User's Manual
Model 2701
Slot 1
HI
Ch 25
Input
LO
Ch 23
(Closed)
HI
Ch 24
Sense
LO
External
DUT
1
Source
Equivalent Circuit
"Defaults and user setups," page
DMM
DMM
1-22).