
L Firmware 1.37 - 09/2006 83
9400 HighLine | Parameter setting & configuration
Motor interface
Initial commissioning | Optimise current controller
The following picture shows a typical saturation characteristic of an MCS motor:
[5-1] Saturation characteristic: Inductance referring to the inductance for rated current
r By optimising different current setpoints such a characteristic can be detected per
"trial" and set in C02853
.
r The correction by means of this saturation characteristic can be switched off or on via
C02859
.
Distribution of the grid points
r The saturation characteristic is displayed by 17 points which are distributed linearly on
the X axis.
r The point 17 represents 100 % of the maximum motor current in the process (C02855
).
[5-2] Saturation characteristic: Distribution of the grid points
O Tip!
The following chapter provides an example for determining the saturation
characteristic. Example for determining the saturation characteristic
(C 84)
0 % 10 % 20 % 30 % 40 % 50 % 60 % 70 % 80 % 90 % 100 %
0%
20 %
40 %
60 %
80 %
100 %
120 %
I/I
max
L/L
n
Note!
The saturation characteristic is not only used for the correction of the current
controller but also influences the current controller feedforward control
(C00074
).
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
I
max
Vp
Tn
[V/A]
[ms]
234567891011121314151617
[%]
1
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