Siemens SINAMICS G220 - Page 479

p1400.23[D]
- 6822 -
1
Dynamic Drive Control (DDC, p0504 = 2) Speed setpoint, Pre-control balancing, acceleration model
© Siemens AG
2 3 4 5 6 7 8
V6.02.00
1 0
0
0
0 1
>0
0
r1170
Speed controller setpoint sum [rpm]
r1084
Positive speed limit effective [rpm]
r1087
Negative speed limit effective [rpm]
[3080.8] [3051.8] [3051.8]
[6799.1]
r0060
Speed setpoint before the setpoint filter [rpm]
r1407 r1407.11
1 = Speed setpoint limited
[2522.3]
1 = Sensorless vector control speed precontrol
p1400.15 [D]
r0062
Speed setpoint after the filter [rpm]
Pre-control balancing
Acceleration calculation
r1493
Moment of inertia total, scaled [kgm²]
[2526.7]
r0056 r0056.14 1 = Vdc_max controller active
r1438
Speed controller speed setpoint [rpm]
[6824.1]
Pre-control speed
[6841.1] [6842.1] [6843.1] [6826.1]
Calculated accelerating
torque
r0080[0..1]
Torque actual value [Nm]
Moment of inertia
estimator
1 0
1 = Moment of inertia estimator active
p1400.18 [D]
only for initialization
r0084[0..1]
Flux actual value [%]
[6035]
0 1
1 = Acceleration precontrol signal source External (p1495)
p1400.2 [D]
c1430 [C]
(0.00)
Speed precontrol [rpm]
t
x,y x
y
1 0
1 = Interpolation speed precontrol
p1400.7 [D]
+
+
Pre-control balancing 2
Speed precontrol symmetrizing dead time
p1428 [D] (0.0)
Speed precontrol symmetrizing time
constant [ms]
p1429 [D] (0.00)
+
+
r1432[0]
After symmetrization [rpm]
p1400.20[D]
Ratio between the total and motor moment of inertia
p0342 [M] (1.000)
Motor moment of inertia [kgm²]
p0341 [M] (0.000000)
Speed controller speed actual value
smoothing time (sensorless) [ms]
p1452 [D] (10.00)
Acceleration precontrol scaling [%]
p1496 [D] (0.0)
Speed setpoint filter 1
time constant [ms]
p1416 [D] (0.00)
Acceleration precontrol scaling [%]
p1496 [D] (0.0)
<2> <1>
<2> <2>
<1>
The following applies for precontrol balancing: For p1400.2 = 1, parameters p1428 and p1429 are active. For p1400.2 = 0, parameter p1452 is active. For p1400.10 = 1
c1495 [C]
(0.00)
Acceleration precontrol [rev/s²]
r1432[1] Speed precontrol After interpolator [rpm]
Figure14-88 6822 - Speed setpoint, pre-control balancing, acceleration model
Functions
14.10Closed-loop drive control
SINAMICS G220 converter
Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB 477