Setup Commands - Keithley 6220 DC User Manual

5-32 Delta, Pulse Delta, and Differential Conductance
6.
NOTE If a read command is sent when Pulse Delta is not
7.
8.

Setup commands

Pulse Delta setup and arm commands
Commands sent from the PC to the Model 6221 to set up and arm Pulse Delta are
listed in
B. The initiate command starts Pulse Delta readings. After the specified
finite number of Pulse Delta readings are performed, Pulse Delta will
stop running. At this point another initiate command will re-start Pulse
Delta. New Pulse Delta readings will overwrite the old Pulse Delta read-
ings in the Model 6221 buffer.
If the Infinity count is set, Pulse Delta will run continuously. If the buffer
fills, Pulse Delta readings will stop being stored, even though Pulse
Delta continues to run.
Read Pulse Delta readings – While Pulse Delta is running, the latest
Model 2182A Pulse Delta reading can be read by the Model 6221 using the
following command:
SENS:DATA?
The above read command reads the last Pulse Delta reading that was
performed by the Model 2182A. If this command is sent before a new
reading is available, the last Pulse Delta reading will again be returned.
running, error -221 Settings Conflict will occur.
When finished with Pulse Delta, it can be disarmed by sending the following
command:
SOUR:SWE:ABOR
Recall stored Pulse Delta readings – Model 2182A Pulse Delta readings
were sent to the buffer of the Model 6221. Send the following read com-
mand to read the buffer:
TRACe:DATA?
Table 5-3.
Return to
Model 6220/6221 User's Manual
' Reads the latest Pulse Delta reading.
' Stops Pulse Delta and places the Model 2182A
in the local mode.
'
' Read Pulse Delta readings stored in 6221 buffer.
Section 5 topics