Danfoss FC 300 Programming Manual page 50

2. How to Programme
1-41 Motor Angle Offset
Range:
*
0
2
2.4.5. 1-5* Load Indep. Setting
Parameters for setting the load-independent motor settings.
1-50 Motor Magnetisation at Zero Speed
Range:
100%
1-51 Min Speed Normal Magnetising [RPM]
Range:
15
RPM
1-52 Min Speed Normal Magnetising [Hz]
Option:
[Size re-
lated]
50
Function:
[0 - 65535] Enter the correct offset angle between the PM motor and the
index position (single-turn) of the attached encoder or resolver.
The value range of 0 – 65535 corresponds to 0 - 2 * pi (radians).
To obtain the offset angle value: After drive start-up apply DC-
hold and enter the value of par. 16-20
parameter.
This parameter is only active when par. 1-10
tion
tor).
Function:
[0 - 300 %] Use this par. along with par. 1-51
ing [RPM]
running at low speed.
Enter a value which is a percentage of the rated magnetizing
current. If the setting is too low, the torque on the motor shaft
may be reduced.
Function:
[10 - 300 RPM] Set the required speed for normal magnetising current. If the
* speed is set lower than the motor slip speed, par. 1-50
Magnetisation at Zero Speed
cance.
Use this par. along with par. 1-50. See drawing for par. 1-50.
Function:
0 - 250 Hz Set the required frequency for normal magnetising current. If
the frequency is set lower than the motor slip frequency, par.
1-50
Use this par. along with par. 1-50. See drawing for par. 1-50.
MG.33.M2.02 - VLT
PM, non-salient SPM
is set to
to obtain a different thermal load on the motor when
and par. 1-51 are of no signifi-
Motor Magnetisation at Zero Speed
®
is a registered Danfoss trademark
FC 300 Programming Guide
Motor Angle
into this
Motor construc-
[1] (Permanent Magnet Mo-
Min Speed Normal Magnetis-
Motor
is inactive.