User Manual

3 Function diagrams 3.11 U/f control, Standard Drive Control (p0096 = 1)
SINAMICS G120 CU230P-2 Control Units
672 List Manual, 04/2018, A5E33838102
Fig. 3-105 6855 – U/f control, DC quantity control (ASM, p0300 = 1, p0096 = 1)
- 6855 -
Function diagram
87654321
fp_6855_97_01.vsd
U/f control, Standard Drive Control
G120 CU230P-2
13.03.2018 V4.7_10
U/f control, Closed-loop DC quantity control (ASM, p0300 = 1, p0096 = 1)
PWM
M
~
U
V
W
+ BRP
-BRN
P24
M
Brake control
I_max Power Module
Pulse enable HW
DC link voltage (Vdc)
Power Module
Control Unit
DC quantity control
r0074
Mod_depth [%]
PU HW property
r0204 [P]
r0066
f_outp [Hz]
f_Slip [Hz]
r0065
U_angle
[6850.8]
Rect_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
DC_ctrl ZSW
r3859
r3859
.15
Absolute value
Angle
.0
1 = Compound
braking active
A07353:
Drive: DC quantity control
deactivated
Only active, if:
r0204.15 = 0
p1802 = 0, 2
p1803  103%
[6856.1]
[6850.8]
[6856.4]
r0069
I_phase act val [A]
[0..2]
Power Module Interface
+
-