S
IN
A
MICS G1
20 CU250
S
-2 Contr
ol
Units
List Manual, 09/201
7, A5E33842890
89
7
3
F
un
ction dia
g
ra
ms
3.18
V
e
cto
r contr
o
l/
U/f contr
o
l
F
ig.
3
-143
63
00 – U/f control, overview
Imax closed-loop
frequency control
p1340 ... p1341
Imax closed-loop
voltage control
p1345 ... p1346
- 6300 -
Function diagram
8
7
6
5
4
3
2
1
fp_6300_97_56.vsd
Vector control / U/f control
G120 CU250S-2
05.09.2017
V4.7.9
U/f control, overview
[6310]
[6320]
[3001.8]
[8016.8]
[6730.4]
[6714.8]
[6730.1]
[6731.1]
60
[6301.8]
100 ms
100 ms
[3060]
[3070]
[3080]
MIN
r0056
.
.
.
[2526]
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]
r0094
Transformat_angle [°]
Output frequency [Hz]
r0024
r0025
U_outp smooth [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
Soft starting
p1350
Control mode
p1300
V_boost perm
p1310
[6301]
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.
<1>
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]
–
+
+
+
+
+
+
+
+
+
V_set
[6310]
[6310.8]
[6310.4]
U_angle
[6730.1]
r0077
Iq_set [Arms]
<1>