Step 3. Activate the Automatic Motor Adaptation (AMA)
.
Performing an AMA will ensure optimum performance. The AMA measures the values from the motor model equivalent diagram.
1.
Connect terminal 27 to terminal 12 or set par. 5-12 to 'No function' (par. 5-12 [0])
2.
Activate the AMA par. 1-29.
3.
Choose between complete or reduced AMA. If an LC filter is mounted, run only the reduced AMA, or remove the LC filter during the AMA
procedure.
4.
Press the [OK] key. The display shows “Press [Hand on] to start”.
5.
Press the [Hand on] key. A progress bar indicates if the AMA is in progress.
Stop the AMA during operation
1.
Press the [OFF] key - the frequency converter enters into alarm mode and the display shows that the AMA was terminated by the user.
Successful AMA
1.
The display shows “Press [OK] to finish AMA”.
2.
Press the [OK] key to exit the AMA state.
Unsuccessful AMA
1.
The frequency converter enters into alarm mode. A description of the alarm can be found in the
Troubleshooting
section.
2.
"Report Value” in the [Alarm Log] shows the last measuring sequence carried out by the AMA, before the frequency converter entered alarm
mode. This number along with the description of the alarm will assist you in troubleshooting. If you contact Danfoss Service, make sure to
mention number and alarm description.
VLT
®
AQUA Drive Design Guide
5 How to Install
MG.20.N5.02 - VLT
®
is a registered Danfoss trademark
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