Johnson Controls VFD66 Drive - Page 33

VFD66 User Guide 33
Issue Number: 2 www.johnsoncontrols.com
Safety information Rating data
Mechanical
installation
Electrical
installation
De-rating
Keypad and
display
Parameters
Diagnostics
Technical
specifications
UL Listing
0: Disabled
1: Detect positive and negative frequencies
2: Detect positive frequencies only
3: Detect negative frequencies only
3:3kHz
6:6kHz
12: 12kHz
0: No autotune
1: Non-rotating static autotune
2: Rotating autotune
Enter the motor rated frequency (taken from the motor name plate).
Defines the voltage to frequency ratio applied to the motor.
No Function Range Defaults Type
33
Catch a spinning motor select 0 to 3 1 RW
This function is only active when the drive is in fixed boost mode.
No Function Range Defaults Type
37
Maximum switching frequency 3, 6, 12 kHz 3 RW
NOTE
No Function Range Defaults Type
38
Autotune 0 to 2 0 RW
When a rotating autotune is selected, the drive will accelerate the motor up to
2
/
3
maximum speed in Pr 02.
WARNING
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.
NOTE
Once a rotating autotune has been initiated (Pr 38 = 2), it must be completed before the
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 (
2
/
3
rated speed reference).
NOTE
No Function Range Defaults Type
39
Motor rated frequency 0.0 to 1500.0 Hz Eur: 50.0, USA: 60.0 RW