Siemens SINAMICS G220 - Page 480

- 6824 -
1
Dynamic Drive Control (DDC, p0504 = 2) Speed controller with Kp_n/Tn_n adaptation
© Siemens AG
2 3 4 5 6 7 8
V6.02.00
1 01 0
Hold Set
Set
Val
<1>
Kp
Kp
–
+
Tn
+
+
Kp
n
n
<2> <2>
Kp Tn
<2> <1>
x
y
Speed controller Tn adaptation
speed upper scaling
0.0 ... 200000.0 [%]
p1463 [D] (100.0)
Speed controller adaptation speed lower
0.00 ... 210000.00 [rpm]
p1464 [D] (0.00)
Speed controller adaptation speed upper
0.00 ... 210000.00 [rpm]
p1465 [D] (210000.00)
Speed controller Kp adaptation
speed upper scaling
0.0 ... 200000.0 [%]
p1461 [D] (100.0)
r1438
Speed controller speed setpoint [rpm]
[6822.8]
r1445
Speed controller actual speed smoothed [rpm]
Speed controller P gain
0.00 ... 999999.00
p1460 [D] (0.30)
Speed controller integral time
0.00 ... 100000.00 [ms]
p1462 [D] (20.00)
[6824.8] [6824.8]
p1470 [D] (0.3000) p1472 [D] (20.00)
For operation with encoder
1 = Kp/Tn adaptation active
p1400.5 [D]
1 = Automatic Kp/Tn adaptation active
p1400.0 [D]
[6490.6]
[6490.6]
Kp_n_basic Tn_n_basic
Kp_n_adapt
Tn_n_adapt
[6824.1]
Kp_n_basic
Tn_n_basic
Dynamic reduction,
field weakening
Speed controller integral time
effective [ms]
r1469
r1468
Speed controller P gain effective
[6824.1]
r0064
Speed controller system deviation [rpm]
r1538
Upper effective torque limit [Nm]
r1539
Lower effective torque limit [Nm] [6828.8] Enable speed controller from sequence control S4: Operation
For p1462/p1472 = 0.0 s or 100.0 s, the I component is disabled (integral action time = infinite).
If the lower transition point exceeds the upper transition point, the Kp-adaptation also changes over.
Kp
c1475 [C]
(0.00)
Speed controller torque setting value for motor holding brake [Nm]
r1407 r1407.7
1 = Torque limit reached
[2522.7] [6834.8] [6836.8]
Torque setting value speed controller
r1482
Speed controller I torque output [Nm]
[6826.1]
r1407 r1407.3
1 = Speed control active
r1407 r1407.5
1 = Speed controller I component frozen
r1407 r1407.6
1 = Speed controller I component set
[2522.4] [2522.4] [2522.4]
M_set from speed controller
Speed controller speed actual
value smoothing time
0.00 ... 32000.00 [ms]
p1442 [D] (4.00)
p1452 [D] (10.00)
Integrator control
Speed controller
Tn
c1440 [C]
(63[0])
Speed controller speed
actual value input
r1443
Speed controller speed
actual value at actual
value input [rpm]
r1480
Speed controller PI torque output [Nm]
1 = Sensorless vector control freeze I comp
p1400.1 [D]
r0063[0]
Speed actual value Unsmoothed [rpm]
Figure14-89 6824 - Speed controller with Kp_n-/Tn_n adaptation
Functions
14.10Closed-loop drive control
SINAMICS G220 converter
478 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB