Function diagrams
Vector control
2-446
Siemens AG 2004 All Rights Reserved
SINAMICS G List Manual, Edition 12.2004
Picture 2-63 6010 – Speed actual value and rotor position sensing, motor encoder (encoder 1)
- 6010 -
Function diagram
8
7
6
5
4
3
2
1
fp_S01_6010_en.vsd
DO: VECTOR
SINAMICS G
17.12.04
V02.02.00
Vector encoder evaluation functions - speed actual val
ue and rotor position sensing,
mot
or
encoder
(encoder
1)
r0063
n_act smooth
r1407.1
r0061
n_act motor encoder
[RPM]
n
_
a
ct
motor
encoder
Smoothing
[2522.6]
1 = Sensorless operation active
To the brake control [2701.1]
To the speed messages/signals [8010.1
]
n_act T_smooth
0.00...20.00 ms
p1441[D] (0.00)
Raw position
signals from
encoder 1
Inv encoder actual value
p0410.0[E]
n_act smooth r0021
<2>
III
u
p
dn
y
x
A,B
Fine resolution
for the speed
actual value
Zero mar
k
1 encoder revolution
C
D
n_act
measurement
-1
0
1
dx
dt
C,D
n_act calculation
[6730.1]
Refer to [1020.7]
p0115[y] (MM)
To field weakening characteristic [6722.1]
<1>
To the speed controller [6040.1]
To Kp_n/Tn_n-adaptation [6050.1]
To torque limiting [6640.1]
To the Iq and Id controllers [6714.7]
To the motor module interface (pre-control speed) [6730.1]
100 ms
1
0
<1>
= Only for vector control without encode
r.
<2> The [E]ncoder data set changeover is represented at [8570].
Induction motor
