Siemens SIMODRIVE 611A User Manual

VS
07.94
1-84
 Siemens AG 1997 All Rights reserved
SIMODRIVE 611A Installation and Start–Up Guide/IAA/–04.97 Edition
Current limit
I
max
(adjusted maximum current)
I
limit
(peak current of the power module)
[%]
=
Table 1-1 Current limit
S2.x
or
S5.x
to ON
– 2 3 2
3
4 2
4
3
4
2
3
4
5 2
5
3
5
2
3
5
4
5
3
4
5
2
3
4
5
(%) 100 85 68 61 50 46 41 39 36 34 30 29 26 24 23
The current limit must be reduced at least to the peak value permitted for the
motor. It may be necessary to reduce it still further depending on the mechanical
system which is driven.
I
max
=maximum axis current set in A
L
A
=motor winding inductance in mH (refer to the configuringguide, AC
motors for feed– and main spindledrives)
I
max
 L
A
40
Kp(I) t
Table 1-2 Current controller gain
S2.x
and
S5.x
to ON
– 6 7 6
7
8 6
8
7
8
9 6
9
7
9
6
7
9
8
9
7
8
9
6
7
8
9
Kp(I) 0.5 1 2 2.5 4 4.5 5.5 6 6.5 7.5 8 9.5 11 11.5
The setting range of the current controller gain can be additionally increased
using R15 on the parameter board.
The following formula is valid for S2.6 to S2.9 closed (ON):
Kp(I)+11,5)
1230
R15
Current actual va-
lue normalization
Current controller
gain Kp(I)
User–friendly inter-
face
Feed modules (VS)
04.971.2 Current controller settings

Siemens SIMODRIVE 611A Specifications

General

Brand	Siemens
Model	SIMODRIVE 611A
Category	Inverter
Language	English