F
u
nct
ion
D
iag
ra
m
s
Serv
o control
2-
12
82
© Siemens AG
2007 All Rights Reserved
S
IN
A
MICS
S List Manua
l (
L
H1), 0
7
/2007
Fi
gure 2-1
6
4
5
710 – Curre
nt setpo
int
filter
- 5710 -
Function diagram
8
7
6
5
4
3
2
1
fp_5710_01_eng.vsd
DO: SERVO
SINAMICS S
15.05.07 V02.05.00
Servo control - Current setpoint filter
PT2 low pass
fn_z
p1660[D]
D_z
p1661[D]
fn_n
p1658[D]
D_n
p1659[D]
PT2 low pass
fn_z
p1665[D]
D_z
p1666[D]
fn_n
p1663[D]
D_n
p1664[D]
1
0
PT2 low pass
fn_z
p1670[D]
D_z
p1661[D]
fn_n
p1668[D]
D_n
p1669[D]
1
0
f
2nd Order Filter
|y|
PT2 low pass
fn_z
p1675[D]
D_z
p1676[D]
fn_n
p1673[D]
D_n
p1674[D]
Iq_set_2
[5714.1]
p1656[D].0
x
y
p1656[D].1
p1656[D].2
p1656[D].3
M_set_6
I before setpoint filter
from function generator
+
+
x
y
fn_n
p1658[D]
D_n
p1659[D]
fn_n
p1673[D]
D_n
p1674[D]
1
0
p1657[D]
fn_n
p1663[D]
D_n
p1664[D]
fn_n
p1668[D]
D_n
p1669[D]
1
0
p1662[D]
x
y
x
y
1
0
p1667[D]
x
y
x
y
1
0
p1672[D]
x
y
x
y
Iq_set_1
<1>
<1>
<1>
<1>
<1> General 2nd-order filter (detailed representation at [1024]).
r1650
<2> PT2 low pass (detailed representation at [1024]).
<2>
<2>
<2>
<2>
+
f
|y|
fn
D
f
|y|
fn
D
f
|y|
fn
D
f
|y|
fn
D
Filter 1
Filter 2
Filter 3
Filter 4
f
2nd Order Filter
|y|
f
2nd Order Filter
|y|
f
2nd Order Filter
|y|
1
0
1
0
M2Iq torque factor
[5730.4]
M2Iq torque factor
[5730.4]
M after setpoint filter from function generator
I_after_setpoint
filter = active
1
0
M_set FG
r1651
Monitoring
F07420
"Current setpoint filter natural frequency > Shannon frequency"
[5610.8]
p0115[0] (125.00 µs)
I after setpoint filter from function generator
<3> For p1699 = 1, the parameter settings are transferred to the controller.
<3>
