3
F
unction
d
iag
ram
s
3.20
V
e
ctor
con
trol, Dyn
a
mic Dr
ive Contro
l (p0
0
96
= 2)
SINAMICS G120
C
U
250S-2 C
ontrol Units
93
6
List Manua
l, 09/2
017
, A5E3384289
0
F
ig.
3
-180
68
41 – In
te
rface
to th
e Power Modul
e (ASM,
p
030
0
=
1,
p0
096
=
2
)
- 6841 -
Function diagram
8
7
6
5
4
3
2
1
fp_6841_97_03.vsd
Vector control, Dynamic Drive Control
G120 CU250S-2
05.09.2017
V4.7.9
Interface to the Power Module (ASM, p0300 = 1, p0096 = 2)
PWM
M
~
U
V
W
+ BRP
- BRN
P24
M
p1755
p1756
p1758
p1759
[6828.1]
Iq
M
[6837.6]
r1408.12
[8012.3]
[6834.8]
[6799.1]
[8022.1]
[6799.5]
[2526.2]
Motor model
Stall monitoring
Model control
Sign
+ or -
Brake control
I_max PM
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 [%]
ZSW cl-loop ctrl
r0056
r0056
.11
r0066
f_outp [Hz]
ZSW cl-loop ctrl
r0056
r0056
.07
MotMod status
r1751
[6799.1]
p1745
[6838.1]
[6799.1]
[8022.1]
[6828.5]
[6832.1]
[6834.1]
r0069
I_phase act val [A]
[0..6]
U_phase act val [V]
r0089[0..2]
[6834.8]
2
Power Module Interface
+
-
I_max PM
[6799.1]
R_stator act
r0395
r0084
Flux act val [%]
r0094
Transformat_angle [°]
Outp_ph_seq rev
p1820
r0087
Cos phi act
ASM: Asynchronmotor
(induction motor)
<1>
<1>
<1>
Kp
Tn
p1764
Pre-control speed
n_act
calculation
Adaptation controller
Vibration damping
Gain res_damp
p1740
[6822.8]
Current model
r1770
MotMod n_adapt
Kp [rpm]
p1767
p1760
p1761
r0061
n_act unsmoothed [rpm]
[0]
[4715.7]
+
+
+
+
<2>
+
+
+
f_Slip [Hz]
r0065
r1771
MotMod n_adapt Tn [rpm]
–
1
0
<1>
1 = Sensorless
operation active
[4715.5]
ZSW n_ctrl
r1407
r1407
.1
[2522.7]
For vector control with encoder (VC).
For vector control without encoder (SLVC).
<2>
<1>