Danfoss VLT FC51 Design Manual page 56

How to Install
6 6
BAUER D-7 3734 ESLINGEN
3~ MOTOR NR. 1827421 2003
S/E005A9
n 31,5
n 1400
COS  0,80
1,7L
B
Illustration 6.17 Motor Name Plate Example
Step 3. Activate the Automatic Motor Tuning (AMT)
Performing an AMT ensures optimum performance. The
AMT measures the values from the motor model
equivalent diagram.
1. Connect terminal 27 to terminal 12 or set
5-12 Terminal 27 Digital Input to [0] No function
2. Activate the AMT 1-29 Automatic Motor
Adaptation (AMA).
3. Select between complete or reduced AMT. If an
LC filter is mounted, run only the reduced AMT,
or remove the LC filter during the AMT
procedure.
4. Press [OK]. The display shows "Press [Hand On] to
start".
5. Press [Hand On]. A progress bar indicates if the
AMT is in progress.
Stop the AMT during operation
1. Press [Off] - the frequency converter enters into
alarm mode and the display shows that the user
terminated the AMT.
54
1,5 KW
/min. 400 Y
/min. 50
3,6
IP 65 H1/1A
®
VLT Micro Drive FC 51 Design Guide
Successful AMT
1.
2.
Unsuccessful AMT
1.
2.
Unsuccessful AMT is often caused by incorrectly registered
motor name plate data or too big difference between the
motor power size and the frequency converter power size.
Step 4. Set speed limit and ramp time
Set-up the desired limits for speed and ramp time.
Minimum Reference
V
Maximum Reference
Hz
A
Table 6.5 Reference Limit Parameters
Motor Speed Low Limit
Motor Speed High Limit
Table 6.6 Speed Limit Parameters
Ramp-up Time 1 [s]
Ramp-down Time 1 [s]
Table 6.7 Ramp Time Parameters
MG02K302 - Rev. 2013-12-03
The display shows "Press [OK] to finish AMT".
Press [OK] to exit the AMT state.
The frequency converter enters into alarm mode.
A description of the alarm can be found in the
Troubleshooting section in VLT Micro Drive FC 51
Programming Guide.
"Report Value" in the [Alarm Log] shows the last
measuring sequence carried out by the AMT,
before the frequency converter entered alarm
mode. This number along with the description of
the alarm assists in troubleshooting. Contact
Danfoss Service and make sure to mention
number and alarm description.
3-02 Minimum Reference
3-03 Maximum Reference
4-11 Motor Speed Low Limit
[RPM] or 4-12 Motor Speed Low
Limit [Hz]
4-13 Motor Speed High Limit
[RPM] or 4-14 Motor Speed High
Limit [Hz]
3-41 Ramp 1 Ramp Up Time
3-42 Ramp 1 Ramp Down Time