Vect
or control
F
u
nct
ion
D
iag
ra
m
s
2
-12
87
© Siemens AG 2
007 All Rights Reserved
SINAMICS
S List Manual (LH1
), 07/200
7
Fi
gure 2-1
6
8
6
030 – Spe
ed setpoin
t, droop
- 6030 -
Function diagram
8
7
6
5
4
3
2
1
fp_6030_01_eng.vsd
DO: VECTOR
SINAMICS S
18.04.07 V02.05.00
Vector control - Speed setpoint, droop
Droop input source
0...3
p1488 (0)
3
2
1
0
r0079
M_set total
M_set before M_suppl
r1508
0
Droop scaling
0.000...0.500
p1489 [D] (0.050)
1
0
0
+
-
r1170
n_ctr setp sum
n_limit pos effective
r1084
n_limit negative effective
r1087
r0079
M_set total
a at M_ctrl scal
0.0...400.0 [%]
p1499 [D] (100.0)
n_set limited
r1407.11
Droop enabled
r1407.10
Enable droop
r1406.11
n_set limited
r1407.11
n_set_filter 1 T
0.00...5000.00 [ms]
p1416 [D] (0.00)
0
1
M_ctrl active
r1407.2
Pre-control speed
r1490
Droop n_reduction
0
<1>
<1>
<1>
= Only for vector control without encoder.
[6060.8]
[3050.8]
[3050.8]
[3080.8]
[6060.5]
r1482
n-ctrl I_output
[6060.8]
[6730.1]
[6490.7]
1 = Sensorless vector control, speed pre-control active
from speed control configuration
p1400.15
Droop input
[6060.3]
r0060
n_set before filt.
<2> Refer to speed actual value smoothing [6040.2]
[2520.7]
p1492
[2522.3]
[2522.3]
Mot moment of inertia ratio
1.000...10000.000
p0342 [M] (1.000)
Mot M_inertia
0.00000...100000.00000 [kgm²]
p0341 [M] (0.00000)
<3> Scaling: p1489 = 0.100 - for a rated motor torque of r0333 - results in a speed setpoint reduction of 0.1 x p0311.
<3>
N
M
n
N
[2522.3]
[6031.1]
r0062
n_set after filter
150 ms
1
0
[6040.8]
[2701.1]
[2704.1]
[6799.1]
Refer to [1020.7]
p0115[y] (Motor Modules)
Mom of inert scal
(100)
p1497[C]
