Operating Instructions

SINAMICS G120 CU230P-2 Control Units List Manual, 04/2018, A5E33838102
645
3 Function diagrams
3.10 Vector control / U/f control
Fig. 3-79 6300 – U/f control, overview
- 6300 -
Function diagram
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fp_6300_97_01.vsd
Vector control / U/f control
G120 CU230P-2
13.03.2018 V4.7_10
U/f control, overview
Imax closed-loop
frequency control
p1340 ... p1341
Imax closed-loop
voltage control
p1345 ... P1346
[6310]
[6320]
[6310]
[3001.8]
[8016.8]
[6730.4]
[6714.8]
[6730.1]
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
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
Control mode
p1300
V_boost perm
p1310
ZSW cl-loop ctrl
r0056
r0056
.13
PU P_rated [kW]
r0206
[2]
PM250, PM260: The current limit is calculated out of r0206 [2] in generative operation.
r1348
U/f Eco fac act v [%]
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
Eco mode
[6799.8]
–
+
<1>
[2526]
[6301]
+
+
+
+ +
+
V_set
+
+
Mot PolePairNo act
r0313 [M]
[6310.8] [6310.4]
U_angle
[6730.1]
Transformation
angle
r0077
Iq_set [Arms]
<1>