Function diagrams
Servo control
2-910
© Siemens AG 2012 All Rights Reserved
SINAMICS S110 List Manual (LH7), 06/2012, 6SL3097-4AP10-0BP3
Fig. 2-143 5722 – Field current/flux input, flux reduction, flux controller
- 5722 -
Function diagram
87654321
fp_5722_98_eng.vsd
DO: SERVO
SINAMICS S110
17.07.09 V04.04.00
Servo control - Field current-/flux input, flux reduction, flux controller
(Only for synchronous motor with reluctance torque)
mot phi_load opt
p0327 [M]
Field current setpoint for
synchronous motor
Speed at the start
of field weakening
Short-circuit
current I
sc
Speed at the
start of field
weakening
Img
magnetizing
current
Flux setpoint for
induction motor
0
>0
Mot n_field weaken
p0348[M]
Mot I_mag_rated
p0320[M]
Motor data
r0331
Mot I_mag_ratedAct
0
1
T0
Id_set_1
Current limit
p0640[D]
Mot I_max
p0323[M]
Synchronous motor
-1
Id_set_3
Field current limiting
A07411
"Flux controller
output limited"
r0075
Id_set
[5714.4]
Induction motor
I
F
n
I
mg
p0348
n
I
F
-I
sc
p0348
Min
Maximum current from Power Module
i_max_PM
[5730.4]
0.9
imax
2
– id_set
2
I_max
[5640.6]
r1533
Iq_max total
Synchronous motor
Induction motor
250.00 μs
1000.00 μs
r0331
r0331
1000.00 μs
1000.00 μs
<1>
[2530.7]
16 [ms]
Computation
model
Limit Id_set
r1408.9
Kp Tn
r0083
Flux setpoint
[%] from n
r0084
Flux actual value
[%] from n
+
–
+
+
Pre-control
250.00 μs
p1581
Flux reduc factor
Flux red up T_gl
p1579
Flux reduc do T_gl
p1578
r0077
Iq_act
[5714.4]
r0382
1
Id_set_2
<1> p0323 is not considerd for induction motors.
Flux controller
Motor model
Flux controller
Kp
p1590[D]
Flux controller
Tn
p1592[D]
Flux setpoint
Flux reduction
Mot L_H tr/Lhd ges
r0382
r0067
I_outp max