Siemens SINAMICS G220 - Page 477

- 6820 -
1
Dynamic Drive Control (DDC, p0504 = 2) Speed control and generation of the torque limits, overview
© Siemens AG
2 3 4 5 6 7 8
V6.02.00
p1400 p1401 r0056 r1408
[6821.1]
[6822]
[3001.8]
[6826]
Kp Tn
–
[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 from: [4715.6] Encoder or [6821.1] speed model
p1452[D]
For operation with encoder
p1442[D]
p1470[D]
p1472[D]
p1460[D]
p1462[D]
Kp adaptation Tn adaptation
r1170
Speed controller setpoint sum [rpm]
Speed setpoint filter 1
time constant [ms]
p1416 [D] (0.00)
Speed setpoint, Pre-control balancing, acceleration model
p0341[M] p0342[M]
Symmetrizing
r0062
Speed setpoint after the filter [rpm]
Speed pre-control [6821.1]
p1496[D]
r1438 Speed controller speed setpoint [rpm]
[6824]
Speed controller with Kp_n/Tn_n adaptation
c1511 [C]
(0.00)
Supplementary torque 1 [Nm]
c1512 [C]
(0.00)
Supplementary torque 1 scaling [%]
c1513 [C]
(0.00)
Supplementary torque 2 [Nm]
Supplementary torque 2 scaling [%]
p1514 [D] (100.0)
For Kp adaptation
r0079 Torque setpoint [Nm]
Supplementary torque total [Nm]
r1515
Torque setpoint
[6828]
Torque limit upper [Nm]
p1520 [D] (0.00)
c1522 [C]
(1520[0])
Torque limit upper
Torque limit lower [Nm]
p1521 [D] (0.00)
c1523 [C]
(1521[0])
Torque limit lower
Power limit motoring [kW]
p1530 [D] (0.00)
Power limit regenerative [kW]
p1531 [D] (-0.01)
Motor current limit [Arms]
p0640 [D] (0.00)
Generating the
torque limits
r1538
Upper effective torque limit [Nm]
r1539
Lower effective torque limit [Nm]
Upper/lower torque limit
r1508
Torque setpoint before supplementary torque [Nm]
[6829] Current/power/torque limits
r0063[0]
Speed actual value Unsmoothed [rpm]
r1518[0]
Accelerating torque Unsmoothed [Nm]
Figure14-86 6820 - Speed control and generation of the torque limits, overview
Functions
14.10Closed-loop drive control
SINAMICS G220 converter
Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB 475