User Manual

3 Function diagrams 3.10 Vector control
SINAMICS G120 CU230P-2 Control Units
598 List Manual (LH9), 04/2014, A5E33838102B AA
Fig. 3-91 6797 – Closed-loop DC quantity control
- 6797 -
Function diagram
87654321
fp_6797_97_01.vsd
Vector control
G120 CU230P-2
07.04.2014 V4.7
Closed-loop DC quantity control (ASM, p0300=1; PM230/PM240)
PWM
M
~
U
V
W
+ BRP
-BRN
P24
M
Brake control
I_max Power Module
Pulse enable HW
DC link voltage
Power Module
Control Unit
PM-IF
DC quantity control
r0074
Modulat_depth [%]
PU HW property
r0204 [D]
r0075
Id_set [Arms]
r0077
Iq_set [Arms]
r0066
f_outp [Hz]
f_Slip [Hz]
r0065
U_angle
[6714.8]
DC_ctrl config
p3855 [D]
Modulator mode
p1802 [D]
Modulat depth max
p1803 [D]
I_ctrl Kp
p1715 [D]
I_ctrl Tn
p1717 [D]
DC_ctrl Kp
p3857 [D]
DC_ctrl Tn
p3858 [D]
DC_ctrl ZSW
r3859
r3859
r0069
I_phase act value [A]
DC_ctrl ZSW
r3859
r3859
.15
Absolute value
Angle
.0
1 = Compound
braking active
[0..2]
A07353:
Drive: DC quantity control
deactivated
Only active, if:
r0204.15 = 0
p1802 = 0,2
p1803 >= 103%
[6730.1]
[6730.4]
[6730.4]
[6714.2]
[6710.8]