Parker AC30 Série Mode D'emploi page 405

PMAC Flycatching
Parameters::Motor Control::PMAC Flycatching
Only available if PMAC MOTOR selected in Control Mode.
This block performs a directional speed search. It allows the Drive to seamlessly catch a spinning motor before controlling the motor to the desired
setpoint. This is especially useful for large inertia fan loads, where drafts in building air ducts can cause a fan to `windmill'.
Parameter Name No.
PMAC Flycatching Enable 0689
Enable the flycatching for PMAC motor
PMAC Fly Search Mode 0690
The PMAC Flycatching sequence can be triggered by different starting conditions:
ALWAYS:
TRIP or POWER-UP: After uncontrolled stop, i.e. trip or coast, or after a power-up
TRIP:
PMAC Fly Search Time 0691
PMAC Fly Search Time to catch the right speed
PMAC Fly Load Level 0692
PMAC Fly Load Level during fly catching
PMAC Fly Active 0693
Diagnostic to show if the PMAC fly catching is active or inactive
AC30 series Variable Speed Drive
Path
Parameters::Motor Control::PMAC
Flycatching
Parameters::Motor Control::PMAC
Flycatching
All starts (after controlled or uncontrolled stop, or after a power-up)
After uncontrolled stop, i.e. trip or coast
Parameters::Motor Control::PMAC
Flycatching
Parameters::Motor Control::PMAC
Flycatching
Parameters::Motor Control::PMAC
Flycatching
Parameter Reference
Default Range
FALSE
0 Same as PNO 312
0.200 0.100 to 60.000
5.0 -50.0 to 50.0
D-119
Units Writable
ALWAYS
ALWAYS
ALWAYS
s
% ALWAYS
NEVER