Sequoia Series 49
INSTrument:SELect
This command may be used select a specific output phase in three-phase mode using a character
reference. “A” denotes phase A, “B” denotes phase B and “C” denotes Phase C. As long as the
instrument state is coupled however, programming command will affect all phases. As soon as the
INST:COUP NONE command is issued, the last selected phase becomes selected. To immediately
change the output of a single phase only, make sure the instrument state is uncoupled when issuing
the INST:SEL command.
Note that the MEASure and FETCh subsystems are not affected by the INST:COUP command and
always operate on the selected phase only. This means the instrument can remain in coupled mode
while doing measurement queries using “INST:SEL <n>;FETC:VOLT?;*WAI”. Note that when the
instrument is subsequently put in the uncoupled state using “INST:COUP NONE”, the last issued
phase selection will be in effect. To make sure the desired phase is selected, follow the “INST:COUP
NONE” command with an “INST:SEL <n>” command
Command Syntax INSTrument:SEL
Parameters A | B | C
Examples INST:SEL A
Query Syntax INST:SEL?
Returned Parameters <CRD>
Related Commands INST:COUP INST:NSEL
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