Sequoia Series 101
4.23 Source Subsystem - Phase
This subsystem programs the output phase angle of the power source. When the phase command is
used to program a single-phase unit, the only discernible effect is to cause an instantaneous shift in
the output waveform phase relative to an external reference signal.
Subsystem Syntax
[SOURce:]
PHASe
[:IMMediate] <n> Sets the output phase
:MODE <mode> Sets the phase mode (FIX|STEP|PULS|LIST)
:TRIGgered <n> Sets the triggered phase (step or pulse mode only)
PHASe
Phase Selectable
This commands sets the phase of the output voltage waveform relative to an external reference for
single-phase power source. Phase B and C in a three phase system are programmed relative to phase
A. The phase angle is programmed in degrees. Positive phase angles are used to program the leading
phase, negative phase angles are used to program the lagging phase.
Command Syntax [SOURce:]PHASe[:IMMediate] <NRf+>
Parameters -360 through +360
*RST Value Define by the PONSetup:PHASe
Examples PHAS 45
Query Syntax [SOURce:]PHASe?
Returned Parameters <NR2>
PHASe:MODE
Phase Selectable
This command determines how the output phase is controlled during a triggered output transient. The
choices are:
FIXed The output phase is unaffected by a triggered output transient.
STEP The output phase is programmed to the value set by PHASe:TRIGgered when a
triggered transient occurs.
PULSe The output phase is changed to the value set by PHASe:TRIGgered for a duration
determined by the pulse commands.
LIST The waveform shape is controlled by the phase list when a triggered transient occurs.
Command Syntax [SOURce:]PHASe:MODE<mode>
Parameters FIXed | STEP | PULSe | LIST
*RST Value FIX
Examples PHAS:MODE LIST PHAS:MODE FIX
Query Syntax [SOURce:]PHASe:MODE?
Returned Parameters <CRD>
Related Commands PHAS:TRIG PHAS
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