5-18 Delta, Pulse Delta, and Differential Conductance Model 6220/6221 Reference Manual
Return to Section 5 topics
3. When recalling buffer statistics (such as Average or Standard Deviation) for
Pulse Delta power readings, only the power units for the first stored reading
is checked to determine if it is a Peak or Average power reading. The result
of the buffer statistic will have the same units (W for Average, or Wp for
Peak) as the first stored reading.
Error and status messages
Common errors associated with remote programming for Delta, Pulse Delta, and
Differential Conductance are listed in Table 5-2.
Table 5-2
Error/status codes and messages
Code and Message Description Remedy
-221 Settings Conflict Occurs when sending the
:NVPResent? command with the
RS-232 interface selected for the
Model 622x.
Select a different interface and then
send query.
Occurs when an :ARM command
is sent while a sweep or a delta
test is running.
Do not send an :ARM command
while a sweep or delta test is
already running.
Occurs when attempting to start
Pulse Delta while on a FIXED
range that is too low.
Select a higher source range.
-225 Out of Memory Occurs when trying to :ARM
Differential Conductance with too
many measure points in the
sweep.
Reconfigure the Differential
Conductance sweep such that it
does not exceed the maximum
number of measure points (65,536).
-241 Missing Hardware Occurs when trying to :ARM Delta,
Pulse Delta, or Differential
Conductance and a Model 2182A
is not detected.
Check RS-232 connections.
For the 2182A, make sure the
RS-232 interface is selected.
+408 Diff. Conductance
truncated
Occurs when trying to :ARM Differ-
ential Conductance with a sweep
level(s) that will exceed ±105mA.
Reconfigure the Differential Con-
ductance sweep such that all
sweep levels do not exceed
±105mA.
+410 Model 2182A required Occurs when trying to :ARM Pulse
Delta with an older Model 2182
that does not support Pulse Delta.
Use a Model 2182A with the Model
622x to run Pulse Delta.
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