Operating Instructions

3 Function diagrams 3.11 U/f control, Standard Drive Control (p0096 = 1)
SINAMICS G120 CU230P-2 Control Units
668 List Manual, 04/2018, A5E33838102
Fig. 3-101 6850 – U/f control, overview (p0096 = 1)
- 6850 -
Function diagram
87654321
fp_6850_97_01.vsd
U/f control, Standard Drive Control
G120 CU230P-2
13.03.2018 V4.7_10
U/f control, overview (p0096 = 1)
Imax closed-loop
frequency control
p1340 ... p1341
Imax closed-loop
voltage control
p1345 ... P1346
[6854]
[6853]
[3001.8]
[8016.8]
[6856.4]
[6856.1]
[6856.1]
60
100 ms
100 ms
MIN
r0056
.
.
.
Ramp-function
generator
I_max reduction
I_max PM
f_set
r1119
RFG setp at inp [rpm]
r1170
Speed setpoint sum [rpm]
I_max_ctrl U_outp [Vrms]
r1344
Mot PolePairNo act
r0313 [M]
r0066
f_outp [Hz]
Output frequency [Hz]
r0024
r0025
Output voltage [Vrms]
r0072
U_output [Vrms]
Vdc_ctrl config
p1280
Flying restart
mode
p1200
Speed actual
value calculation
Slip
compensation
p1334, p1335
Uf Res_damp
gain
p1338
V_boost perm
p1310
ZSW cl-loop ctrl
r0056
r0056
.13
PU P_rated [kW]
r0206
[2]
r1343
I_max_ctrl f_outp [rpm]
r0067
Current max [Arms]
r0082
P_act [kW]
[0]
r0068
I_act abs val [Arms]
[0]
V_boost accelerate
p1311
V_boost starting
p1312
[6799.8]
–
+
[2526]
[6851]
+
+
+
+ +
+
V_set
+
+
[6851.8]
[6851.1]
r0078
Iq_act [Arms]
Mot I_mag_rtd act [Arms]
r0331 [M]
+
+
p
K
+
+
U_angle
Transformation angle
[6856.3]
[6855.1]
[6856.1]
[6855.1]
[6856.1]
[6856.1]
[6853.8] [6853.4]