5-12 Delta, Pulse Delta, and Differential Conductance Model 6220/6221 Reference Manual
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Communications test and setup commands
• If a sweep or delta test is already running, sending an arm command
causes error -221 Settings Conflict.
• The Model 622x performs communication tests with the Model 2182/2182A.
• If a Model 2182/2182A is not detected, error -241 Hardware Missing is
reported.
• If RS-232 is the selected interface for the Model 622x, error +809 Not
Allowed with RS-232 occurs. Select a different interface for the Model
622x.
• If communications over the Trigger Link cannot be established, error
+419 Trigger Link cable not connected. Check that the Trigger Link
cable is properly connected between the Model 622x and the
Model 2182/2182A.
• The Model 622x sends setup commands to the Model 2182/2182A. This
includes the command to disable Front Autozero on the Model 2182/2182A
to increase system speed.
• On the Model 2182/2182A, the REM (remote) annunciator turns on and all
front panel controls are locked out while Differential Conductance is armed
or running.
Internal sweep table
During the arming process, the Model 622x builds an internal sweep table of
source output values to be used in the test. During this build, the unit will not
respond to key presses or remote commands. If there are more than 3,000 points
to be placed in the table, the message “Building Sweep table Please wait ...” will
be displayed during the table build. A 10,000 point sweep takes around eight sec-
onds to build.
Armed message
After the delta test is successfully armed, the Model 622x will briefly display a
message indicating that the test is armed and ready to be started.
User setups
User setups cannot be saved or recalled while Delta, Pulse Delta, or Differential
Conductance is armed or running. Attempting to do so from the front panel or
using remote operation (*SAV and *RCL commands) will generate error +413 Not
allowed with mode armed.
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
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