Operating Instructions

SINAMICS G120 CU230P-2 Control Units
List Manual, 04/2018, A5E33838102
673
3 Function diagrams
3.11 U/f control, Standard Drive Control (p0096 = 1)
Fig. 3-106 6856 – U/f control, interface to the Power Module (p0096 = 1)
- 6856 -
Function diagram
87654321
fp_6856_97_01.vsd
U/f control, Standard Drive Control
G120 CU230P-2
13.03.2018 V4.7_10
U/f control, Interface to the Power Module (p0096 = 1)
PWM
M
~
U
V
W
+ BRP
-BRN
P24
M
2
[6850.8]
[6850.8]
[6799.1]
[2526.2]
Motor model
Sign
+ or -
Brake control
I_max Power Module
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
R_stator act
r0395
r0084
Actual flux [%]
[6850.8]
Outp_ph_seq rev
p1820
[6799.1]
[6854.1]
[8021.1]
r0087
Cos phi act
[6799.1]
f_Slip [Hz]
r0065
[6853.4], [6855.1]
22
yx
VD-
3
2
Ia
Ib
Transformation angle
r0078
Iq_act [Arms]
r0076
Id_act [Arms]
r0068
I_act abs val [Arms]
r0069
I_phase act val [A]
[0..6]
[6850.1]
[6851.1]
[6850.1]
[8021.1]
[2526.2]
[8021.1]
[0]
[6855.1]
[6850.8]
U_phase act val [V]
r0089[0..2]
+
-
Power Module Interface
[6850.1]
I_max PM