In DC mode, use the DC measurement queries.
Advanced Measurement
In advanced measurement, you can separate and control the starting of measurement and
the referencing of data.
State
The three states are available in the sequence operation.
Voltage/Current/Power Measurement
To start a new measurement, set the trigger source to IMMediate and use the INITiate
command.
IMMediate 'Selects trigger source to IMMediate
If you want the sequence 3 group to start the measurement on a software trigger, change
the trigger source to BUS.
BUS 'Selects trigger source to BUS
'Applies a software trigger to sequence 3
When the measurement is completed, measurement data can be queried with the FETCh
query commands.
'Queries AC voltage in volts, without new measure
'Queries AC current in amps, without new measure
'Queries AC real power in watts, without new measure
'Queries AC apparent power in volt-amps,
without new measure
If you send a FETCh command before the measurement is complete, correct measurement
data will not be obtained. By using the *OPC command, you can obtain correct
'Initiate sequence 3 and wait for the
measurement to complete.
The TRIGger:SEQuence3:SOURce command sets the trigger source to BUS or IMMediate.
The INITiate:SEQuence3 command makes the trigger subsystem leave the IDLE state and
go the initiated state.
When the Trigger Source is set to IMMediate, the action is executed immediately causing a
new measurement to start. When the Trigger Source is set to BUS, the trigger subsystem
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