Lenze E94AxHE Servo Drives 9400 HighLine (Firmware 01-37 Manual de usuario Pagina 85

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L Firmware 1.37 - 09/2006 85
9400 HighLine | Parameter setting & configuration
Motor interface
Initial commissioning | Optimise current controller
4. Creating a characteristic based on the values calculated for Vp.
Here, the values which have not been adjusted, must be determined by interpolation
between two values.
Note: In this example it is assumed that the inductance does not change
considerably below 3.75 A. For this reason, the same Vp value resulting from the
measurement with a motor current of 3.75 A has been used for all grid points below
3.75 A.
[5-4] Determined saturation characteristic
5. Set the gain Vp in C00075 and reset time Tn in C00076 which were calculated during
the adjustment with the rated motor current (in this example "5 A"):
– Set C00075
= "10 V/A".
– Set C00076
= "5 ms".
6. Scale the Vp values on the Y axis of the characteristic to the 100 % Vp setting in C00075
:
[5-5] Scaling of the determined saturation characteristic to the "100 %" setting in C00075
15 A
234567891011121314151617
7.5 A3.75 A 11.25 A 12.38 A5A
0 6.25 12.5 18.75 25 31.25 37.5 43.75 50 56.25 62.5 68.75 75 81.25 87.5 93.75 100
Vp [V/A]
0A
0
1
2
3
4
5
6
7
8
9
10
11
12
13
1
I
max
[%]
15 A
234567891011121314151617
7.5 A3.75 A 11.25 A 12.38 A5A
0 6.25 12.5 18.75 25 31.25 37.5 43.75 50 56.25 62.5 68.75 75 81.25 87.5 93.75 100
Vp [%]
0A
0
1
2
3
4
5
6
7
8
9
10
11
12
13
0
10
20
30
40
50
60
70
80
90
100
110
120
130
C00075 = "10 V/A" 100 %º
1
I
max
[%]
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