Siemens SINAMICS S120 Manual De Listas página 2357

Induction motor and synchronous motor
<4> <5>
n_act measurement
Fine resolution
up
for the speed
actual value
dn
III
Raw position
signals from
encoder 1
1 encoder revolution
[4710.8]
<4> <5>
C
D
Zero mark
Speed actual value filter 5
<1> = Only for vector control without encoder.
<2> [E]: The encoder data set changeover is represented on [8570].
<3> Only for operation with encoder and PMSM.
<4> Only for S120/S150.
<5> Only for S120/S150 and PMSM or SESM.
<6> Only for SESM.
<7> Only for ASM.
<10> The frequency is multiplied by this factor.
<11> p1699 = 1 allows to import the filter parameter settings on the
controller.
1 2
DO: VECTOR
Encoder evaluation - Speed actual value and pole position sensing, encoder 1, n_act_filt 5
Only for synchronous motor
Enc commut_factor
r0451
<2>
Pole position sensing
including measuring gearbox
p0432[E], p0433[E]
Gearbox enc Inv encoder actual value
p0432[E] p0410.0[E]
<2>
0
dx
x y
dt
-1
1
Gearbox mot
p0433[E]
0
-1
1
n_act_filt 5 fn_n
p1678[D]
n_act filt 5 D_n
p1679[D]
|y|
D
x
<11>
I/n_setp_filt5 f_n
fn
f
p1655[4]
(1)
<10>
n_act filt 5 fn_n n_act_ filt 5 D_n
p1680[D] p1681[D]
|y|
x
f
2nd Order Filter
n_act_filt 5 fn_d n_act_filt 5 D_d
p1678[D] p1679[D]
3 4
Inv encoder actual value
p0410.0[E]
<5>
Transformat_angle
0
r0094
<3>
-1
1
n_act T_smooth
0.00...1000.00 [ms]
p1441[D] (0.00)
n_act encoder 1
0
r0061[0]
-1
1
[6731.1]
Smoothing
Dir of rot
p1821[D]
1 = Sensorless operation active
[2522.6] r1407.1
p1656[D].4
p1677[D]
0
y
1 0
1
2 1
<9>
[6730.1] <7>
n_act calculation
[6731.3] <5>
[6733.8] <6>
y
<1>
<8>
5
fp_4715_54_eng.vsd
12.03.14 V05.02.03
Encoder angle
To basic braking control [2701.1]
To extended braking control [2704.1] <7>
To speed controller with/without encoder [6040.1]
n_act
To Kp_n-/Tn_n adaptation [6050.1]
unsmoothed
To current/power/torque limits [6640.1]
r0063[0] To Iq and Id controllers [6714.7]
To field-weakening characteristic [6722.1] <7> [6724.1]
To motor model select [6733.1] <6>
To display signals [6799.1]
To speed signals 1[8010.1]
To interface to the Motor Module [6730.1] <7>
T_smth display
0.00...200.00 [ms]
p0045 (1.00)
n_act smoothed with p0045
r0063[1]
ASM: Induction motor
PMSM: Permanent-magnet synchronous motor
SESM: Separately-excited synchronous motor
6 7
Function diagram
S120/S150/G130/G150
p0115[0]
[6731.1]
[6732.1]
8
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