User guide

Troubleshooting the FlexPak 3000 Drive
13-13
13.3 Phase Locked Loop (PLL) Maximum Error
If your drive power is supplied by a source that cannot maintain a suitable fixed
frequency output (such as an alternator), you can adjust this parameter to prevent
faults related to line synchronization.
PLL MAXIMUM ERROR
(P.308)
Maximum allowable
change in line period
per AC line cycle.
Parameter Range:
2 to 1000 µsec
Default Setting:
2 µsec
Parameter Type:
Tun abl e
OIM Menu Path(s):
Current Minor Loop (
CML
) - Three Phase
AC Line
This parameter should only be increased when drive power is supplied by a source
that cannot maintain a suitable fixed frequency output (such as an alternator) to
prevent faults related to line synchronization.