Appendix – Auto Tune Procedure
123
The final section will measure the Field Time
Constant. During this section, the drive will
display:
After Auto tune is finished, the drive will
display:
If a fault occurs while the drive is performing
the Auto Tune test, the drive will display:
Pressing Enter again will display the name of
the fault that occurred during Auto Tune.
There are two parameters located in A4 that
set the bandwidth for the Armature Regulation
gain and the Field Regulation gain. GAIN
BANDWIDTH A (A4) determines the
bandwidth used in the calculation of the
Armature Regulation Gains. Similarly, GAIN
BANDWIDTH F (A4) determines the bandwidth
used in the calculation of the Field Regulation
Gains.
Quattro DC will not use the values measured
or calculated by auto tune unless GAIN
SELECTION (A4) is set to USE SAVED PAR
or USE SELF TUNE.
If GAIN SELECTION (A4) is set to USE SELF
TUNE, the armature current regulator gains
are set using AUTO MEAS ARM L(D2), AUTO
MEAS IR DROP (D2), AUTO MEAS ARM R
(D2), AUTO FIELD RES (D2), and AUTO
FIELD TC (D2).
If GAIN SELECTION (A4) is set to USE
SAVED PAR, the armature regulator gains are
set using SAVE MEAS ARM L (A6), SAVE IR
DROP (A6), SAVE MEAS ARM R (A6), SAVE
FIELD RES (A6), and SAVE FIELD TC (A6)
.
If the D2 submenu contains null values and USE
SELF TUNE is selected, GAIN SELECTION (A4)
will revert back to MANUAL. Similarly, if the
SAVE MEAS parameters in the A6 submenu
contain null values and USE SAVED PAR is
selected, GAIN SELECTION (A4) will revert back
to MANUAL.
When GAIN SELECTION (A4) is set to
MANUAL, the armature current regulator uses
the values in ARM RESISTANCE (A4), ARM
INDUCTANCE (A4), MOTOR FIELD RES
(A4), and MOTOR FIELD TC (A4).
RUN/FAULT
SUB MENU
DATA ENT
AUTO TUNE
DONE
RUN/FAULT
SUB MENU
DATA ENT
AUTO TUNE
TUNING #4
RUN/FAULT
SUB MENU
DATA ENT
AUTO TUNE
TUNING #5
RUN/FAULT
SUB MENU
DATA ENT
AUTO TUNE
HAS ABORTED
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