5-64
Delta, Pulse Delta, and Differential Conductance
Model 6220/6221 Reference Manual
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Setup commands
Setup and arm commands
Commands sent from the PC to the Model 622x to set up and arm Differential
Conductance are listed in
. Additional information for each command are
provided in notes that follow the table.
1.
Use the :NVPR? command to determine if a suitable Model 2182/2182A
with the correct firmware revision is properly connected to the RS-232 port.
This query command can be used for the system configuration shown in
B.
The RS-232 cannot be the selected interface for the Model 6221. If it is, this
query will generate error -221 Settings Conflict.
2.
See
“Configuration settings,” on page 5-55
for more information on these set-
tings (:STARt, :STEP, :STOP, :DELTa, :DELay, and :CABort).
Table 5-5
Differential Conductance commands
Command
Description
Default
SOURce[1]:DCONductance:NVPResent?
Queries if 2182/2182A is con-
nected.
1
1 = yes, 0 = no
SOURce[1]:DCONductance:STARt <NRf>
Sets start value (amps).
2
<NRf> = -105e-3 to 105e-3
-10e-6
SOURce[1]:DCONductance:STEP <NRf>
Sets step size (amps).
2
<NRf> = 0 to 105e-3
1e-6
SOURce[1]:DCONductance:STOP <NRf>
Sets stop value (amps).
2
<NRf> = -105e-3 to 105e-3
10e-6
SOURce[1]:DCONductance:DELTa <NRf>
Sets delta value (amps).
2
<NRf> = 0 to 105e-3
1e-6
SOURce[1]:DCONductance:DELay <NRf>
Sets delay (seconds).
2
<NRf> = 1e-3 to 9999.999
0.002
SOURCE[1]:DCONductance:CABort <b>
Enable or disable Compliance
Abort.
2
<b> = 0 or OFF, 1 or ON
0
SOURce[1]:DCONductance:ARM
Arms Differential Conductance.
3
SOURce[1]:DCONductance:ARM?
Queries Diff Cond arm.
3
1 = armed, 0 = not armed.
SOURce[1]:DCONductance:NVZero?
Queries V-zero value acquired from
2182/2182A.
4
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