3
F
unction
d
iag
ram
s
3.18
V
e
ctor control
/U
/f control
SINAMICS G120
C
U
250S-2 C
ontrol Units
91
0
List Manua
l, 09/2
017
, A5E3384289
0
F
ig.
3
-156
67
23 – Fie
ld wea
kenin
g controlle
r, flux co
ntrolle
r, Id
se
tp
oint (ASM,
p
030
0
=
1)
- 6723 -
Function diagram
8
7
6
5
4
3
2
1
fp_6723_97_53.vsd
Vector control / U/f control
G120 CU250S-2
05.09.2017
V4.7.9
Field weakening controller, flux controller, Id setpoint (ASM, p0300 = 1)
Flux setp smooth [%]
r1583
[6722.8]
2
-1
1
0
0
U_max 1
[6714.8]
[6730.1]
[6714.8]
[6714.1]
0
-200 %
[6722.8]
Calculation, max. modulation depth
U_set 1
Id current limit
Saturation characteristic
p0362 ... p0369
Modulat_depth max [%]
r0073
r0070
Vdc act val [V]
Voltage max [Vrms]
r0071
Field_ctrl Tn
10 ... 10000 [ms]
p1596 [D] (300)
r1597
Field_ctrl outp [%]
r1598
Flux setp total [%]
Flux ctrl config
p1401
Id_set stationary [Arms]
r1623
Drv filt type mot
0 ... 4
p0230 (0)
Pulse freq setp
2.000 ... 16.000 [kHz]
p1800 [D] (4.000)
Flux ctrl config
p1401.2
1
0
[6722.8]
Quick magnetizing active
Value range and/or factory setting depend on p0500.
0 ... 10
p1802 [D] (0)
20.0 ... 150.0 [%]
p1803 [D] (106.0)
0.0 ... 150.0 [Veff]
p1574 [D] (10.0)
<1>
<1>
–
+
<1>
–
+
+
+
+
+
.1
[6640.1], [6714.1]
[6640.1], [6722.1]
Id_setp total [Arms]
r1624
1 = Flux build-up control active
1 = Flux setpoint, differentiation active
<1>
ASM: Asynchronmotor (induction motor)