Operating Instructions

3 Function diagrams 3.10 Vector control / U/f control
SINAMICS G120 CU230P-2 Control Units
648 List Manual, 04/2018, A5E33838102
Fig. 3-82 6320 – U/f control, Vdc_max controller and Vdc_min controller (PM230/PM240/PM330)
- 6320 -
Function diagram
87654321
fp_6320_97_01.vsd
Vector control / U/f control
G120 CU230P-2
13.03.2018 V4.7_10
U/f control, Vdc_max controller and Vdc_min controller (PM230/PM240/PM330)
0
1
1,3
0,2
0
1
0
0
0
2,3
0,1
0
0
0
0
Calculate on_level
r0070
Vdc act val [V]
Vdc_max on_level [V]
r1282
Vdc_min on_level [V]
r1286
r0070
Vdc act val [V]
r1298
Vdc_ctrl output [rpm]
ZSW cl-loop ctrl
r0056
r0056
ZSW cl-loop ctrl
r0056
r0056
Calculate on_level
Vdc_ctr config U/f
0 ... 3
p1280 [D] (1)
Vdc_max (U/f control)
Vdc_min (U/f control)
(only for PM240, PM330)
0
[6300.4]
Vdc_max SenseOnLev
p1294
–
+
Vdc_ctrl Kp
p1290 [D]
Vdc_ctrl t_rate
p1292 [D]
Vdc_ctrl Tn
p1291 [D]
Vdc_max dyn_factor
p1283 [D]
Vdc_ctrl Kp
p1290 [D]
Vdc_ctrl t_rate
p1292 [D]
Vdc_ctrl Tn
p1291 [D]
Vdc_min dyn_factor
p1287 [D]
U_connect
p0210
Vdc_min on_level
p1285 [D]
–
+
0
[2526.2]
.15
[2526.2]
.14
[6730.1]
[6730.1]