Siemens SINAMICS G120 List Manual page 893

n_ctrl n_set [rpm]
[6031.8] r1438
+
n_ctr n_act T_smth
<2>
0.00 ... 32000.00 [ms]
p1442 [D] (4.00)
<1>
n_C n_act T_s SL
0.00 ... 32000.00 [ms]
p1452 [D] (10.00)
Actual speed [rpm]
[4715.7] r0063
–
n_set I_comp [rpm]
[6031.8]
r1439 +
p1476
[2520.7]
p1477
[2520.7]
<1> Only for vector control without encoder.
<2> For p1472 = 0.0 s or 100.0 s, the I component is
disabled (integral action time = infinite).
1 2
Vector control / U/f control
Speed controller
Tn_n_adapt
From Kp/Tn adaptation
Kp_n_adapt
[6050.8]
[6490.7]
1 = Kp/Tn adaptation active
n_ctrl config
p1400 .5
n_ctrl config
<1> Dynamic reduction, field weakening
p1400 .0
[6490.7]
1 = Automatic Kp/Tn adaptation active
n_ctrl sys dev [rpm]
r0064
–
M_max upper eff [Nm]
r1538
[6640.8]
M_max lower eff [Nm]
r1539
[6640.8]
n_act smooth [rpm]
r1445
n_ctrl sys dev Tn [rpm]
r1454
Enable speed controller
from sequence control S4: Operation
STW n_ctrl
r1406
1 = Speed controller, hold I component
r1406 .4
r1406
1 = Speed controller, set I component
r1406 .5
STW n_ctrl
n_ctr integ_setVal
p1478 [C]
(0)
n_ctrl M_sv MHB
p1475 [C]
Torque setting value, speed controller
(0)
[6721.8]
ZSW n_ctrl
r1407
1 = Torque limit reached
r1407 .7
[2522.7]
3 4
n_ctrl Kp n lower
0.000 ... 999999.000
p1460 [D] (0.300)
n_ctrl Tn n lower
n_ctrl SL Kp
<1>
0.00 ... 100000.00 [ms]
0.000 ... 999999.000
p1462 [D] (20.00)
p1470 [D] (0.300)
1 0
Speed controller
Kp
Kp
Kp
Tn
Kp
Hold Set
Integrator control
n_ctrl I_val scal
p1479 [C]
(1)
5
fp_6040_97_55.vsd
05.09.2017
Kp_n_basic
<1>
n_ctrl SL Tn
<2>
0.0 ... 100000.0 [ms]
p1472 [D] (20.0)
Tn_n_basic
1 0
n_ctr Tn eff [ms]
r1469
Tn
M_set from speed controller
+
+
Set
Val
ZSW n_ctrl
r1407
[2522.3]
r1407 .3
1 = Closed-loop speed control active
ZSW n_ctrl
r1407
[2522.3]
r1407 .5
1 = Speed controller, I component held
ZSW n_ctrl
r1407
[2522.3]
r1407 .6
1 = Speed controller, I component set
<1>
n_ctrl config
p1400 .1
1 = Sensorless
vector control,
freeze I
component
[6490.6]
6 7
Function diagram
G120 CU250S-2
V4.7.9
To Kp/Tn adaptation
[6050.3]
n_ctr Kp eff
r1468
[6060.1]
n_ctrl I-M_outp [Nm]
r1482
[6030.1]
8
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