Command Reference B-5
:NDUE
(:CALibration:PROTected:NDUE)
Purpose To send the next calibration due date to the instrument.
Format :cal:prot:ndue <year>, <month>, <day>
Parameters <year> = 1994 to 9999
<month> = 1 to 12
<day> = 1 to 31
Query :cal:prot:ndue?
Response <year>, <month>, <day>
Description The :NDUE command allows you to store the date when calibration is next
due in instrument memory. You can read back the next due date by using the
:NDUE? query, or by using the front panel CAL menu.
Note The next due date parameters must be delimited by commas.
Example :CAL:PROT:NDUE 1999,11,20 Send due date (11/20/99).
:SENSE
(:CALibration:PROTected:SENSe)
Purpose To calibrate the sense function.
Format :cal:prot:sens <nrf>
Parameters See Table B-2 for recommended parameter ranges for optimum calibration.
Description The :CAL:PROT:SENS command calibrates the Model 2430 sense function.
To use this command, you must (1) program the source to the correct value,
(2) select the range being calibrated, and (3) send the :CAL:PROT:SENS
command for each parameter listed in Table B-2.
Note When the Model 2430 receives this command, it will attempt to place the pa-
rameter into one of three parameter ranges summarized in Table B-2, de-
pending on the active :SENS:FUNC and range. If the parameter does not fit
into any of the three allowed ranges, an error number -222, “Parameter data
out of range” will be generated. Once the unit has successfully selected the
appropriate parameter range, it will then check to see if autorange for the ac
-
tive :SENS:FUNC is enabled. If so, an error number -221, “Settings conflict”
will be generated. If no error occurs, the active sense function/range point
will be calibrated using the corresponding parameter.
Note that parameters for a given sense function and range may be sent in any
order; however, once one :CAL:PROT:SENS command executes, the other
two must also be executed, or an error number -200, “Execution error” will
occur when the :CAL:PROT:SAVE command is processed at the end of the
calibration procedure.
Example :CAL:PROT:SENS 2 Calibrate 2V sense range.
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