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F
u
nct
ion
D
iag
ra
m
s
Vector cont
rol
2-
13
00
© Siemens AG
2007 All Rights Reserved
S
IN
A
MICS
S List Manua
l (
L
H1), 0
7
/2007
Fi
gure 2-1
8
1
6
640 – Curre
nt/po
w
er/to
rq
ue limits
- 6640 -
Function diagram
8
7
6
5
4
3
2
1
fp_6640_01_eng.vsd
DO: VECTOR
SINAMICS S
19.04.07 V02.05.00
Vector control - Current/power/torque limits
Power limiting
P_max regen
-10 000.00...-0.01 kW
p1531 (-0.01)
Current limiting
r1538
M_max upper effective
r1539
M_max lower effective
r1536
Isq_max
r1537
Isq_min
Speed limiting
controller
r0063[0]
n_act
<1>
<1>
Iq
M
Tn from speed controller [6040.6]
Kp from speed controller [6040.5]
2
2
y
x
r0067
I_outp max
Iq stall
calculation
-1
Min
Max
Min
Min
Min
Max
Max
P_max mot
0.00...10 000.00 kW
p1530 (0.00)
Mot L_leakage total
r0377[M]
+
-
Sign
+ or -
+
+
+
[4715.6]
[6722.1]
[6723.4]
[6724.4]
[6725.4]
Current limit
p0640[D]
Id_set total
Id_set total
r1624
[6630.8]
[6630.8]
[6721.8]
[6730.1]
[6732.1]
[6060.1] [6040.4]
[8012.1]
[6710.1]
[6710.1]
[3050.8]
[3050.8]
–
Speed limiting
<1> Intervention by the Vdc controller.
I_max reduction
[8016.8]
I_max Motor Module
[6730.4]
[6731.4]
[6732.4]
[6723.8]
[6727.8]
Iq_max total
r1533
[6722.1]
x
y
[6060.1] [6040.4]
[8012.1]
Refer to [1020.7]
p0115[y] (Motor Modules)
+
+
<2>
<2> Intervention when the speed limit is ex 2 % n
rated
.
Iq
n
U_output max
r0071
P_max
(1)
p1555[C]
-1
P_max_scale
p1556[D] (0.00)
Max
Min
<3>
n_limit pos effective
r1084
r1087
n_limit neg effective
<3> p1556 = 0 switches the evaluation of the connector input p1555 off.
M_max upper without Offs
r1526
M_max lower without Offs
r1527