User Manual California Instruments
174 CSW Series
8.9.4 Remote PROGRAMMING
The following SCPI command will be used to control the WHM functions:
WHMeter:
[STATe] Turn on or of the watt hour function
ETIMe? Return the elapse time
WHOur? Return the watt-hour in KWH
WHMeter[:STATe]
This command will start or stop the watt-hour function.
Command Syntax WHMeter[:STATe]<bool>
Parameters 0 | OFF | 1 | ON
Examples WHM ON
Query Syntax WHM[:STATe]?
Returned Parameters 0 | 1
WHMeter:ETIMe?
This command will return the total amount of time the watt-hour meter accumulated. The
returned data has four fields separated by commas. These fields are hours, minutes, seconds
and milliseconds.
Command Syntax WHMeter:ETIMe?
Parameters none
Query Syntax WHM:ETIM?
Returned Parameters h,mm,ss,ms
WHMeter:WHOur?
Phase Selectable
This command will return the total accumulated kilowatt-hour for the selected phase. If coupling
is set to all, the value returned is the sum of all phases in the system irregardless of the selected
phase.
Command Syntax WHMeter:WHOur?
Parameters none
Query Syntax WHM:WHO?
Returned Parameters <numeric value>
Note: If the watt-hour meter is active, the total power of all phases in the system will be
returned when querying the power.