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Measurements and Sourcing Voltage
3-7
SCPI programming
— current measurements
Programming example
— current measurements
The following command sequence will perform one zero corrected current measurement:
*RST
' Return 6487 to GPIB defaults.
FUNC ‘CURR’
' Select current function.
SYST:ZCH ON
' Enable zero check.
RANG 2e-9
' Select the 2nA range.
INIT
' Trigger reading to be used as zero
' correction.
SYST:ZCOR:ACQ
' Use last reading taken as zero
' correct value.
SYST:ZCOR ON
' Perform zero correction.
RANG:AUTO ON
' Enable auto range.
SYST:ZCH OFF
' Disable zero check.
READ?
' Trigger and return one reading.
Table 3-4
SCPI commands — basic current measurements
Commands*
Description
FUNC ‘CURR’
RANG <Range>
RANG:AUTO <b>
INIT
READ?
Select current function
Select manual range (-0.021 to 0.021A).
Enable (ON) or disable (OFF) auto
range.
Trigger reading.
Trigger and return reading(s).
* Zero correct and zero check commands not included. See
.
Содержание 6487
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