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Multiple channel operation
Keithley 7751, 7752 and 7753 switching module channels can only be controlled using
multiple channel operation. This allows individual control of all module channels
(switches).
Close/open channels
The following points on operation pertain to multiple channel operation only:
•
•
•
Figure 1-5
Figure 1-5
Front panel keys to close and open channels – multiple channel operation
Press CLOSE key
OPEN
CLOSE
Display MULTI
CLOSE:MULTI
option and press
ENTER
Specify channel
number (XXX) and
CLOSE MLT:XXX
press ENTER
A. Specifiying channel to close
For remote programming, the following three commands are used for basic system operation
to open and close input channels:
ROUTe:MULT:CLOSe <clist>
ROUTe:MULT:CLOSe?
ROUT:OPEN ALL
Only the specified channel(s) will close or open.
All unspecified channels are not affected. Unspecified closed channels remain
closed. Unspecified open channels remain open.
When a channel is closed, the channel number will not be displayed on the
Model 2790.
shows the front panel keys used to close and open channels.
OPEN
CLOSE
OPEN: ALL
B. Opening all channels
Model 2790 SourceMeter
Press OPEN key
Display ALL
option and press
OPEN again
OPEN MULT:XXX
C. Specifiying channel to open
'
Close specified channel(s).
'
Query closed system channel(s).
'
Open all channels.
®
Switch System Reference Manual
Press OPEN key
OPEN
CLOSE
Display MULTI
OPEN:MULTI
option and press
ENTER
Specify channel
number (XXX) and
press ENTER
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