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
2
List Manua
l, 09/2
017
, A5E3384289
0
F
ig.
3
-158
67
30 – In
te
rface
to th
e Power Modul
e (ASM,
p
030
0
=
1)
<1>
- 6730 -
Function diagram
8
7
6
5
4
3
2
1
fp_6730_97_55.vsd
Vector control / U/f control
G120 CU250S-2
05.09.2017
V4.7.9
Interface to the Power Module (ASM, p0300 = 1)
<1>
PWM
M
~
U
V
W
P24
M
p1750 p1755 p1756 p1758
Kp
Tn
p1764
2
p1759
[6300.1]
[6640.1]
Iq
M
[6722.7]
r1408.12
[6714.1]
[6640.5]
[6710.2]
[6714.1]
[8012.6]
[6799.1]
[8022.1]
[6799.5]
[6799.1]
[2526.2]
Pre-control speed
n_act
calculation
Adaptation controller
Motor model
Stall monitoring
Model control
Vibration damping
Sign
+ or -
I_max Power Module
Brake control
Pulse enable HW
DC link voltage (Vdc)
Power Module
Control Unit
U_set
U_angle
r0070
Vdc act val [V]
r0072
U_output [Vrms]
r0074
Mod_depth [%]
Gain res_damp
p1740
ZSW cl-loop ctrl
r0056
r0056
r0066
f_outp [Hz]
ZSW cl-loop ctrl
r0056
r0056
R_stator act
r0395
r0084
Flux act val [%]
r0094
Transformat_angle [°]
MotMod status
r1751
[6030.8]
[6310.1], [6799.1]
Current model
Outp_ph_seq rev
p1820
r1770
MotMod n_adapt
Kp [rpm]
p1767
U_phase act val [V]
r0089[0..2]
ZSW I_ctrl
r1408
r1408
For vector control with encoder (VC).
For vector control without encoder (SLVC).
p1760
p1761
r0061
n_act unsmoothed [rpm]
[2701.8]
[0]
[4715.7]
+
+
+
+
<2>
+
+
+
r1762, r1763, r1778, r1779
p1744, p1745
.11
<2>
.7
.11
<2>
<1>
+
BRP
–
BRN
r0087
Cos phi act
I_max Power Module
r0069
I_phase act val [A]
[0..6]
f_Slip [Hz]
r0065
Power Module Interface
+
-
r1771
MotMod n_adapt Tn [rpm]
–
1
0
<1>
1 = Sensorless
operation active
[4715.5]
ZSW n_ctrl
r1407
r1407
.1
[2522.7]
ASM: Asynchronmotor (induction motor)
<1>
[6723.1]
[6799.1]
[8022.1]
[6300.8]
[6714.8]
[6714.8]