User Manual

3 Function diagrams 3.10 Vector control / U/f control
SINAMICS G120 CU230P-2 Control Units
638 List Manual, 04/2018, A5E33838102
Fig. 3-72 6020 – Speed control and generation of the torque limits, overview
- 6020 -
Function diagram
87654321
fp_6020_97_01.vsd
Vector control / U/f control
G120 CU230P-2
13.03.2018 V4.7_10
Speed control and generation of the torque limits, overview
p1400 p1401 r0056 r1408
[6700.1]
[3001.8]
[6700.1]
Symmetrizing
Acceleration model
Kp_n-/Tn_n adaptation
Integrator control
Speed controller
Torque setpoint
[6490] Closed-loop speed control configuration
[6491] Closed-loop flux control configuration
[2526] Status word closed-loop control (r0056)
[2530] Status word closed-loop current control (r1408)
Speed setpoint filter
r0062
n_set after filter [rpm]
n_C n_act T_s SL
p1452
r1438
n_ctrl n_set [rpm]
Mot M_mom of inert
p0341
Mot MomInert Ratio
p0342
n_ctrl SL Kp
p1470
n_ctrl SL Tn
p1472
r1518
M_accel [Nm]
r1508
M_set bef. M_suppl [Nm]
r0079
M_set [Nm]
r1538
M_max upper eff [Nm]
r1539
M_max lower eff [Nm]
a_prectrl scal
p1496
n_set_filt 1 T
p1416
[6030] [6031]
[6040]
[6060]
[6050]
r1170
Speed setpoint sum [rpm]
Kp Tn
n_pre-control
[0]
–
[6700.1]
r0063
Actual speed [rpm]
[0]
[6630] Upper/lower torque limit
[6640] Current/power/torque limits
Generating the
torque limits
M_max upper
(1520[0])
p1522 [C]
M_max lower
(1521[0])
p1523 [C]
P_max mot
p1530
P_max gen
p1531
Current limit
p0640
M_max upper
p1520 [D] (0.00)
M_max lower
p1521 [D] (0.00)
r0067
Current max [Arms]
n_model