Siemens 6RA7086-6KS22 Operating Instructions Manual page 491

05.05
PNU Description
Example of a field characteristic
The example characteristic exhibits a sharper curvature (i.e. a lower degree of saturation) than the field characteristic produced by the
factory setting.
Φ
Motor flux in % of ratet flux
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
P124
P123
P122
P121 P126
r120 P125
1) For actual field currents I f of > 100% of P102, the characteristic is extended linearly for internal calculation of the motor flux.
SIEMENS AG 6RX1700-0AD76
SIMOREG DC Master Operating Instructions
P129
P134
P128 P133
P127 P132
P131
P130
Value range
[Unit]
Steps
P138
P137
P136
P135
Parameter list
No. indices
Factory
setting
Type
1)
I
P139 100,0%
Field current in % of P102
See
Change
(Access /
Status)
f
11-27