Siemens SINAMICS S120 Manual De Listas página 2355

1 encoder revolution
C
D
Zero mark
C, D
Diag G1_XIST1
Fine resolution
for the speed
r0479[0]
actual value
[4704.8]
Raw position
signals from
encoder 1
<1> The [E]ncoder data set changeover is represented at [8570].
<2> Ratio between the electrical and mechanical pole position (= motor pole pair number).
<3> Not for drive object ENC.
<4> Drive object ENC smoothed with 1 ms.
1 2
DO: ENC, SERVO
Encoder evaluation - Speed actual value and pole position sensing, encoder 1
<2>
Enc commut_factor
r0451
Pole position sensing
including measuring gearbox
p0432[E], p0433[E]
Gearbox enc
p0432[E]
up
dx
x y
dt
dn
III
Gearbox mot
p0433[E]
n_act measurement
3 4
<1>
Inv enc act val
p0410.0[E]
Pole pos el norm
0
r0093
-1
<1>
1
Inv enc act val
p0410.0[E]
0 Transformat_angle
-1
1
[2522.6] r1407.1
(refer to p1300 [5060])
n_act calculation
<1>
n_act T_smooth
0.00...50.00 [ms]
Inv enc act val
p0410.0[E] p1441[D] (0.00)
0 0
-1 -1
1 1
Smoothing
Dir of rot
p1821[D]
5
fp_4710_01_eng.vsd
21.06.16 V05.02.03
p0115[0] (125.00 µs)
r0094
n_act smooth
r0021
100 ms
n_act rpm smooth
r0022
1
n_act smooth
r0063
0 To Basic brake control (r0108.14 = 0) [2701.1]
To Extended brake control, zero-speed
detection (r0108.14 = 1) [2704.1]
To Speed signals [8010.1]
n_act encoder 1
r0061[0]
<4>
6 7
Function diagram
SINAMICS S120
<3>
8
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