Chroma 66203, User Manual

Page: 96 / 146

Digital Power Meter 66203/66204 User’s Manual
5-20
-3: Invalid data when OVR occur.
Setting syntax: none
Setting parameters: none
Query syntax:
FETCh:VOLTage:DC?<PMT>,
FETCh:VOLTage:DC?<space><NR1><PMT>,
MEASure:VOLTage:DC?<PMT>,
MEASure:VOLTage:DC?<space><NR1><PMT>
Query parameters: <NR1>, 0 ~ 4, 0:All channel, 1~4:Channel 1 ~ Channel 4
Return parameters: <NR2>
Header on: :FETCH:VOLTAGE:DC<space><NR2><RMT>
:FETCH:VOLTAGE:DC<space><NR2>,<NR2>,<NR2>,<NR2><RM
T>
Header off: <NR2><RMT>
<NR2>,<NR2>,<NR2>,<NR2><RMT>
Example: none
FETCh[:SCALar]:VOLTage:THD? {<NR1>}
MEASure[:SCALar]:VOLTage:THD?
{<NR1>}
Type: Channel-Specific.
Description:
These queries return the total harmonic distortion of voltage. The
return could be -3 or <NR2>. -3: Invalid data when OVR occur.
Setting syntax: none
Setting parameters: none
Query syntax:
FETCh:VOLTage:THD?<PMT>,
FETCh:VOLTage:THD?<space><NR1><PMT>,
MEASure:VOLTage:THD?<PMT>,
MEASure:VOLTage:THD?<space><NR1><PMT>
Query parameters: <NR1>, 0 ~ 4, 0:All channel, 1~4:Channel 1 ~ Channel 4
Return parameters: <NR2>
Header on: :FETCH:VOLTAGE:THD<space><NR2><RMT>
:FETCH:VOLTAGE:THD<space><NR2>,<NR2>,<NR2>,<NR2><R
MT>
Header off: <NR2><RMT>
<NR2>,<NR2>,<NR2>,<NR2><RMT>
Example: none
FETCh[:SCALar]:CURRent:RMS? {<NR1>}
MEASure[:SCALar]:CURRent:RMS?
{<NR1>}
Type: Channel-Specific.
Description:
These queries return the r.m.s. current. The return could be -1, -2,
-3 and <NR2>.
-1: The first time integrated calculation is not complete yet.
-2: RCE represents “range change error” when integration process
is executing.
-3: Invalid data when OCR, OCP occur.
Setting syntax: none
Setting parameters: none
Query syntax:
FETCh:CURRent:RMS?<PMT>,
FETCh:CURRent:RMS?<space><NR1><PMT>,
MEASure:CURRent:RMS?<PMT>,
MEASure:CURRent:RMS?<space><NR1><PMT>
Query parameters: <NR1>, 0 ~ 4, 0:All channel, 1~4:Channel 1 ~ Channel 4