Johnson Controls VFD66 Drive User Manual page 33

No Function
33
Catch a spinning motor select
0: Disabled
1: Detect positive and negative frequencies
2: Detect positive frequencies only
3: Detect negative frequencies only
NOTE
This function is only active when the drive is in fixed boost mode.
No Function
37
Maximum switching frequency
3: 3kHz
6: 6kHz
12: 12kHz
No Function
38
Autotune
0: No autotune
1: Non-rotating static autotune
2: Rotating autotune
When a rotating autotune is selected, the drive will accelerate the motor up to
maximum speed in Pr 02.
WARNING
NOTE
The motor must be at a standstill before a non-rotating autotune is initiated.
NOTE
The motor must be at a standstill and unloaded before a rotating autotune is initiated.
NOTE
If an autotune is to be performed, then the drive should be in a vector mode.
Once a rotating autotune has been initiated (Pr 38 = 2), it must be completed before the
NOTE
drive will operate normally. If the rotating autotune is not completed (through the drive
being disabled or a trip occurring), the drive will only run at the autotune speed (
rated speed reference).
No Function
39
Motor rated frequency
Enter the motor rated frequency (taken from the motor name plate).
Defines the voltage to frequency ratio applied to the motor.
VFD66 User Guide
Issue Number: 2
Range
0 to 3
Range
3, 6, 12 kHz
Range
0 to 2
Range
0.0 to 1500.0 Hz
www.johnsoncontrols.com
Defaults
1
Defaults
3
Defaults
0
2
/
3
2
Defaults
Eur: 50.0, USA: 60.0
Type
RW
Type
RW
Type
RW
/
3
Type
RW
33