Keithley 6220 Reference Manual page 170

5-50 Delta, Pulse Delta, and Differential Conductance
1. Use the :NVPResent command to determine if a suitable Model 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
page
The RS-232 cannot be the selected interface for the Model 6221. If it is, this
query will generate error -221 Settings Conflict.
2. Details on the
3. When using a Fixed output, use the SOUR:PDEL:INT command to set the
Pulse Delta cycle time period (in PLCs).
When using Sweep output use the SOUR:DEL command to set the Pulse
Delta cycle time period (in seconds) for a linear or log sweep. For a custom
sweep, use the SOUR:LIST:DEL command to cycle time (in seconds). See
Section 4
4. When using a Fixed output, use the SOUR:PDEL:RANG command to set the
source range. When using a Sweep output, use the SOUR:SWE:RANG com-
mand to set range.
5. After setting up Pulse Delta using the above setup commands, the :ARM com-
mand arms Pulse Delta. During the arming process, the Model 622x commu-
nicates with the Model 2182A. Details on the
on
When armed, Pulse Delta will start when the Model 6221 is triggered. Pulse
Delta can be "un-armed" by sending the following command:
SOURce:SWEep:ABORt.
The query form for the arm command (SOUR:PDEL:ARM?) is used to deter-
mine if Pulse Delta is armed. A returned "1" indicates that Pulse Delta is
armed. A "0" indicates that Pulse Delta is not armed.
If the Model 6221 is already armed for another action (e.g., Differential Con-
ductance or Delta), the Pulse Delta arm command will "un-arm" the other
action and arm Pulse Delta.
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
5-5.
"Configuration
for details on sweeps.
page 5-42.
Return to
Model 6220/6221 Reference Manual
settings" are provided on
"Arming
Section 5 topics
Figure 5-2B on
page 5-39.
process" are provided