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6 Description of the Functions
6.2
Positioning mode (P0700 = 3, from SW 2.1)
Table 6-11
Parameters for the encoder adaptation, continued
No.
Name
0238:8
Load revolutions
The gearbox ratio between the motor encoder and load is specified using these parameters.
Encoder revolutions
ü =
Note:
The parameters are dependent on the parameter set. The effective parameter set can be se-
lected via the "parameter set changeover" input signals.
0241
Activates the modulo conversion,
rotary axis (SRM, ARM)
(from SW 2.4)
... activates/de–activates the modulo conversion for a rotary axis.
1
Modulo conversion activated, the modulo correction is executed according to P0242
0
Modulo conversion de–activated
0242
Modulo range, rotary axis (SRM,
ARM)
(from SW 2.4)
... defines the modulo range of the rotary axis.
Practical modulo range values include: n S 360 degrees with n = 1, 2, ...
1162
Minimum DC link voltage
... defines the permissible lower limit for the DC link voltage.
If the DC link voltage falls below the parameterized value, then the stop response, parameter-
ized in P1613, bit 16 is initiated and the encoder data is saved in the FEPROM.
1164
Hysteresis, DC link voltage (from
SW 8.1)
... defines the hysteresis for the DC link voltage.
This parameter refers to P1162. For absolute value encoders with freely selectable gear ratio,
when voltage fluctuations occur, several data save operations of the absolute value encoder
data can, to a certain extent, be suppressed. These fluctuations can occur, e.g. when the drive
regenerates into the DC link.
6-360
Min.
1
=
Load revolutions
0
1
0
0
SIMODRIVE 611 universal Description of Functions (FBU) – 04.05 Edition
Standard
Max.
1
8 388 607
P0237:8
P0238:8
0
1
360 000
100 000 000
0
800
50
600
E Siemens AG 2005 All Rights Reserved
01.99
04.99
04.99
06.04
! not 611ue !
Units
Effective
–
PO
Ü: Ratio
–
PO
MSR
PO
V(pk)
Immedi-
ately
V(pk)
Immedi-
ately
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