Nidec F600 - Step 9: Running the drive in Auto mode; PID Control Feedback Scaling; Finding Flow Start Frequency;Speed

F600 Step By Step Guide 28
Start the motor in
Hand mode.
Make sure it is safe to run the motor. Press and hold the green Hand button for 2 s or close
the Hand switch. The motor will turn at the Hand mode speed reference and the pump
software status changes to Hand Run.
If instability is noted at high speed and load, additional filtering of the estimated speed
feedback may be required. Stop the motor by pressing the red OFF / Reset button or by
opening the Hand switch. The pump software status changes to Off (Ready).
Increase the Sensorless Mode Filter value Pr 0.019 in single steps until the required
performance is reached. Stop and start the motor making sure it starts and runs at high
speed properly.
If the motor doesn’t start properly and there is significant starting torque required to turn the
load, check if the RFC Low Speed Mode Pr 0.014 = Injection. If it is set to “Injection” please
try setting Pr 0.014 to “Current” instead and Increase the Low Speed Sensorless Current
Pr 0.015 to 100 %.
Check the motor is
turning in the
correct direction.
All pumps have a direction to turn in for their main operation. Use the manufacturers data or
labels on the apparatus and compare to the direction of rotation of the cooling fan or motor
output shaft. The Hand Mode Reference Pr 0.026 may need to be lowered to see the
direction.
If the motor appears to be running in the wrong direction, either reverse two motor phases
electrically, when safe to do so. Alternatively, set Reverse Output Phase Sequence Pr 0.018
to “On”.
Stop the motor. Stop the Motor by pressing the red OFF / Reset button or by opening the Hand switch. The
pump software status changes to Off (Ready).
RunRun
Hand RunH a n d R u n
252 5 . 0 HzH z
HAND
Inhibit
ReadyR e a d y
0 . 0 rpmr p m
OFF
Reset
750.0rpm750.0rpm
Hand ModeH a n d M o d e
Reference R e f e r e n c e
OnOn
Reverse OutputR e v e r s e O u t p u t
Phase SequenceP h a s e S e q u e n c e
Save parametersSave parameters
Parameter mm.000P a r a m e t e r m m . 0 0 0
OFF
Reset
Inhibit
Off (Ready)
0
. 0 rpm
OFF
Reset