Siemens SINAMICS S110 - Fig. 2-10 1590 - Servo control, speed control and U;f control

Function diagrams Overviews 2-764
© Siemens AG 2012 All Rights Reserved
SINAMICS S110 List Manual (LH7), 06/2012, 6SL3097-4AP10-0BP3
Fig. 2-10 1590 – Servo control, speed control and U/f control
- 1590 -
Function diagram
87654321
fp_1590_98_eng.vsd
DO: SERVO
SINAMICS S110
28.10.08 V04.04.00
Overviews - Servo control, speed control and V/f control
Closed-loop speed control, servo with encoder
[5020] Speed setpoint filter
and speed pre-control
[5030] Speed limiting
[5040] Speed controller
Reference
model
Pre-control
symmetriz-
ation
Kp
Tn
Integrator
Control
Kp adaptation
Tn adaptation
r1480
n_ctrl
PI-M_output
r1170
n_ctrl setp sum
[5300] V/f open-loop control for diagnostics
[5210] Closed-loop speed control, servo with encoder
Speed actual value sensing
r1480
n_ctrl
PI-M_output
[4710]
n_pre-ctrl_1
(0)
p1430
r0063
n_act smooth
Actual speed
value
n_act measured
n_act calculated
[5060] Setpoint input, changeover of the closed-loop control type
[5050] Kp_n and Tp_n adaptation
Forming the
torque limits
[5620]...[5650]
r1538
r1539
1
0
Sampling times:
p1300
Ramp-function generator
n_act > p1404
r1438
r0062
n_set after
filter
n_pre-ctrl_2
n
f
U
f
p1400
. . .
r1407
. . .
Acceleration
model
Torque
setpoint
Torque
pre-control
r1509
M_set before
M_limit
[5610] Torque limiting
M_set_6
[1630.1]
[5730.1]
Uq
Adaptation
Closed-loop
speed control
Closed-loop
current control
250.00 μs
250.00 μs
1000.00 μs
[1550.8]
[5040.8]
[5210.7]
r0062
n_set after filter
r1438
n_ctrl n_set
[2522] Status word,
speed controller
r0056
. . .
[2526] Status word,
closed-loop control
[5490] Closed-loop speed
control, configuration
0
[5714.8]
[5714.8]
Ud_set_3
1
0
1
p1317
r1733
U_quadrature
axis_set
r1732
U_direct axis_set
Ud
20
21