Ametek BPS Series Programming Manual Instrukcja Użytkownika Pobierz pdf (Strona 146)

AMETEK Programmable Power BPS / MX / RS Series SCPI Programming Manual

146 Manual P/N 7003-961 Rev AA

6.2.8 Individual Phases

On three phase models or configurations, the following functions can be controlled

separately on each phase:

• VOLTage

• CURRent

• PHASe

• FUNCtion

• MEASure

• FETCh

• CALibrate

Selecting a Phase

Two commands determine which output phase or phases receive commands in the three

phase mode. These are:

INSTrument:COUPle ALL | NONE

INSTrument:NSELect <n>

The *RST setting for INSTrument:COUPle is NONE. This setting causes programming

commands to be sent to the selected output phases only.

To send a programming command to all of the output phases, set INSTrument:COUPle to

ALL. For individual phase programming use ALL, then select the desired output to receive

the command with INSTrument:NSELect. For example, when the commands

INSTrument:COUPle NONE

INSTrument:NSELect 2

are sent, all subsequent voltage commands will go to output phase 2, and all measurement

queries will return readings from output phase 2.

Note: The INSTrument:COUPle command has no effect on queries. In the

three-phase mode, queries are always directed to the output selected

by INSTrument:NSELect.

Programming the Output Phase

You can control the phase of the ac voltage waveform relative to an internal reference or to

phase A with:

PHASe <n>

which sets the phase in degrees. If <n> is positive, the voltage waveform leads the internal

reference.

The INSTrument:COUPle setting is ignored by the PHASe command - it always controls the

output selected by INSTrument:NSELect.

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Ametek BPS Series Programming Manual Instrukcja Użytkownika Strona 146