Function modules
8.8 Basic positioner
Drive functions
526
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
The following table contains a few examples for data set changeover. The initial data set is
always DDS0.
Table 8- 8
DDS changeover without load gear position tracking
DDS
0
1
2
3
4
5
6
7
p0186 (MDS)
0
0
0
0
0
1
2
3
p0187 (encoder 1)
EDS0
EDS0
EDS0
EDS0
EDS0
EDS4
EDS5
EDS0
p0188 (encoder 2)
EDS1
EDS1
EDS1
EDS1
EDS3
EDS1
EDS6
EDS1
p0189 (encoder 3)
EDS2
EDS2
EDS2
EDS2
EDS2
EDS2
EDS7
EDS2
p2502 (encoder for
position control)
Encod-
er_1
encod-
er_1
encoder_1
Encod-
er_2
Encod-
er_2
Encod-
er_1
Encod-
er_1
Encod-
er_1
Mechanical
relationships
p2504/p2505/p2506/
p2503
A, B and D designate
different mechanical
relationships.
A
A
B
A
A
A
D
A
Load gear position
tracking
Deac-
tivated
Deac-
tivated
Deactivated
Deac-
tivated
Deac-
tivated
Deac-
tivated
Deac-
tivated
Deac-
tivated
Changeover response
---
Change-
over
during
pulse
inhibit or
operation
has no
effect
Pulse inhibit:
Position actual
value prepro-
cessing is new-
ly initiated
1)
and
referencing bit
2)
is reset.
Operation:
Fault is output.
Position actual
value prepro-
cessing is
newly initiated
1)
and referencing
bit
2)
is reset.
Pulse inhibit:
Position actual value preprocessing is newly
initiated
1)
and referencing bit
3)
is reset.
Operation:
Fault is output. Actual position value condi-
tioning newly set
1)
and referencing bit
3)
is
reset.
MDS
changeo-
ver alone
during
pulse
inhibit or
operation
has no
effect
1)
"Is newly initiated" means: For absolute encoders, the absolute value is read out again and for incremental encoders a
restart is performed as after a POWER ON.
2)
For incremental encoders r2684.11 ("Reference point set") is reset, and additionally for absolute encoders the status of
adjustment (p2507).
3)
For incremental encoders r2684.11 ("Reference point set") is reset, and for absolute encoders the status of adjustment
(p2507) is not reset in addition, because the encoder data set is different from the original.
Summary of Contents for SINAMICS S120
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