Siemens SINAMICS S Series - Figure 2-144 4711 - Speed actual value sensing, encoder 2, 3 (r0108.7 = 1, APC activated)

Encoder evaluation
Function Diagrams
2-1261
© Siemens AG 2007 All Rights Reserved SINAMICS S List Manual (LH1), 07/2007
Figure 2-144 4711 – Speed actual value sensing, encoder 2, 3 (r0108.7 = 1, APC activated)
- 4711 -
Function diagram
87654321
fp_4711_01_eng.vsd
DO: SERVO
SINAMICS S
18.04.07 V02.05.00
Encoder evaluation - Speed actual value sensing, encoders 2, 3 (r0108.7 = 1, APC activated)
r3771
APC n_load smth
r3770
APC n_load
Smoothing
n_act T_smooth
0.00...20.00 [ms]
p1441[D] (0.00)
Raw position signals,
encoder 2
Inv encoder actual value
p0410.0[E]
2
3
p0115[0] (125.00 µs)
<1> The [E]ncoder data set changeover is determined by [8570].
<1>
III
up
dn
y
x
A, B
[4704.8]
Fine resolution
for n_act
Zero mark
1 encoder revolution
C
D
n_act measurement
-1
0
1
dx
dt
To Advanced Positioning Control (APC)
[7012.1]
C, D
A, B
[4704.8]
C, D
Raw position signals,
encoder 3
p3701
To servo speed control with encoder
[5040.1]
<2> The following applies for
- motor encoders, rotary/direct measuring systems, linear
- motor encoders, linear/direct measuring system, rotary:
The parameters p2503 (LU per 10 mm) and p2506 (LU per load revolution) are also effective.
Dir rev rot field
p1821[D]
-1
0
1
Gearbox enc
p0432[E]
Gearbox mot
p0433[E]
Mot/load motor revolution
p2504
<2>
<2>
Mot/load load revolution
p2505
<3> The function module "Advanced Position Control (APC, r0108.7)" is only available for SINUMERIK controllers with integrated SINAMICS functions.
<3>