User Manual

Overview
Function diagrams
2-509
© Siemens AG 2011 All Rights Reserved SINAMICS G120 Control Units CU230P-2 Parameter Manual (LH9), 06/2011
Fig. 2-9 1700 – Vector control, speed control and generation of the torque limits
- 1700 -
Function diagram
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FP_1700_97_54.vsd
Overviews
G120 CU230P-2
13.12.2010 V4.4
Vector control, speed control and generation of the torque limits
p1400 p1401 r0056 r1408
r0067
I_Ausg max

Kp-Adaption
Tn-Adaption
n_modell
p1300
(r1407.1)

[1710.1]
[1550.8]
[1710.1]
Droop input
p1488
Symmetrizing
Acceleration model
Kp_n-/Tn_n adaptation
Integrator control
Speed controller
For Kp
adaptation
Torque setpoint
Generating the
torque limits
[6630] Torque limit
[6640] Current-power limit
[6490] Closed-loop speed control configuration
[6491] Closed-loop flux control configuration
[2526] Status word closed-loop control
[2530] Status word closed-loop current control
Speed
setpoint filter
r0062
n_set after filter [1/min]
n_C n_act T_s SLVC
p1452
r1438
n_ctrl n_set [1/min]
Mot M_mom of inert
p0341
Mot MomInert Ratio
p0342
n_ctrl SLVC Kp
p1470
M_suppl 1
(0)
p1511 [C]
M_suppl 1 scal
(0)
p1512 [C]
M_suppl 2
(0)
p1513 [C]
n_ctrl SLVC Tn
p1472
r1518
M_accel [Nm]
(0)
Changeov n/M_ctrl
p1501 [C]
(0)
p1503 [C]
r1508
M_set bef. M_suppl [Nm]
M_suppl 2 scal
p1514
M_suppl total
r1515
r0079
M_set [Nm]
r1538
M_max upper eff [Nm]
r1539
M_max lower eff [Nm]
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)
a_before scaling
p1496
n_set_filt 1 T
p1416
[6030] [6031]
[6040]
[6060]
[6050]
r1170
n_ctrl setp sum [1/min]
[0]
r0063[0..2]
n_act [1/min]
Kp Tn
n_pre-control