Appendix – Auto Tune Procedure
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Appendix
Auto Tune Procedure
The following details the procedure on how to
run auto tune on a Quattro DC drive. The
purpose of auto tune allows the drive to
calculate the following motor parameters:
Armature Inductance
Armature Resistance
Field Resistance
Field Time Constant
Armature Resistance Voltage Drop at
Motor Rated Current
IMPORTANT: Brake must be set while auto
tune is running for valid data.
NOTE: No faults may be present on the drive
and contactor power (safety chain must be
closed) must be available for Auto Tune to
begin. 15 seconds must elapse before
reattempting the procedure.
NOTE: Auto Tune may take up to 1 minute to
complete. Please wait until the message
AUTOTUNE DONE displays to continue
working with the drive.
To run Auto tune by use of the operator, use
the AUTO TUNE MOTOR parameter in the A4
menu. The Operator will display:
Press the “enter” key. If there are any active
faults on the drive, “Not Available at This Time”
will display and Auto Tune will not run:
If there are no faults present, the drive will
display:
Press “enter” to start. There are 5 sections
within the Auto Tune Test. The first section
will boost the drive if the drive is not currently
boosting. During this section, the drive will
display:
The second section will test the Armature
Resistance. During this section, the drive will
display:
The third section will test the Field Resistance.
During this section, the drive will display:
The fourth section will measure the Armature
Inductance. While testing the Armature
Inductance, the field will be increased to full
field. During this section, the drive will display:
RUN/FAULT
SUB MENU
DATA ENT
AUTO TUNE MOTOR
4 START TUNE ?
RUN/FAULT
SUB MENU
DATA ENT
Not Available at
This Time
RUN/FAULT
SUB MENU
DATA ENT
PRESS ENTER TO
CONFIRM REQUEST
RUN/FAULT
SUB MENU
DATA ENT
AUTO TUNE
TUNING #1
RUN/FAULT
SUB MENU
DATA ENT
AUTO TUNE
TUNING #2
RUN/FAULT
SUB MENU
DATA ENT
AUTO TUNE
TUNING #3
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