Keithley 2750 User Manual page 47

1-30 Getting Started
Figure 1-7
Front panel keys to close and open system channels
Close next
measurement
channel
Close previous
measurement
channel
A. Sequencing through channnels
For remote programming, the following three commands are used for basic system opera-
tion to open and close input channels:
ROUTe:CLOSe <clist>
ROUTe:CLOSe?
ROUT:OPEN:ALL
1.
2.
OPEN CLOSE
CLOSE:SINGLE
CLOSE CH: XXX
B. Specifiying channel to close
Only one channel can be specified in the <clist>. For example, to close input chan-
nel 3 for a module in slot 1, the following command would be sent:
ROUTe:CLOSe (@103)
Only the closed system channel is returned by
for a 4-wire function is not returned. For example, assume channel 2 in slot 1 is
closed. The following response message will be returned:
(@102)
Model 2750 Multimeter/Switch System User's Manual
Press CLOSE key
Display SINGLE option
and press ENTER
Specify channel
number (XXX) and
press ENTER
' Close specified system channel
' Query closed system channel
' Open all channels.
ROUTe:CLOSe?.
Press OPEN key
OPEN CLOSE
Display ALL
OPEN: ALL option and press
OPEN again
C. Opening all channels
1
.
2
.
The paired channel