Newtons4th PPA500 - Fqref

PPA5xx/15xx communications manual
2-42
FQREF
FQREF
Function:
Set frequency reference.
Description:
Select the channel to be used for
measuring the frequency.
Format:
FQREF,phase
FQREF,channel
FQREF,phase,channel
Arguments:
channel:
voltage
current
phase:
PHASE1
PHASE2
PHASE3
Reply:
none
Example:
FQREF,CURRENT
Notes:
Measured phase is always referred to
phase 1 voltage no matter what channel
is selected to measure the frequency,
unless phase 1 is not active (eg phase 2
only mode).