Keithley 6220, Reference Manual

Page: 150 / 454

5-30 Delta, Pulse Delta, and Differential Conductance Model 6220/6221 Reference Manual
Return to Section 5 topics
6. Read Delta readings – While Delta is running, the latest Model 2182/
2182A Delta reading can be read by the Model 622x using the following
command:
The above read command reads the last Delta reading that was performed
by the Model 2182/2182A. If this command is sent before a new reading is
available, the last Delta reading will again be returned.
7. When finished with Delta, it can be disarmed by sending the following command:
8. Recall stored Delta readings – Model 2182A Delta readings were sent to
the buffer of the Model 622x. Send the following read command to read the
buffer:
Setup commands
Delta setup and arm commands
Commands to set up and arm Delta are listed in Table 5-3 .
SENS:DATA?
‘ Reads the latest Delta reading.
NOTE If a read command is sent when Delta is not run-
ning, error -221 Settings Conflict will occur. See
Table 5-2 for details on errors associated with
Delta operation.
NOTE Details on using Model 622x “ Read commands ”
are provided on page 5-15 .
SOUR:SWE:ABOR
‘
‘ Stops Delta and places the Model 2182A in the
local mode.
TRACe:DATA?
‘ Read Delta readings stored in 622x buffer.
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