Siemens SINAMICS S120 Function Manual page 486

Function modules
8.8 Basic positioner
DDS p0186 p0187
(MDS) (encoder_1)
3 0 EDS0
4 0 EDS0
5 1 EDS4
6 2 EDS5
7 3 EDS0
"Is newly initiated" means: For absolute encoders, the absolute value is read out again and for incremental encoders a
1)
restart is performed as after a POWER ON.
For incremental encoders r2684.11 ("Reference point set") is reset, and additionally for absolute encoders the status of
2)
adjustment (p2507).
For incremental encoders r2684.11 ("Reference point set") is reset, and for absolute encoders the status of adjustment
3)
(p2507) is not reset in addition, because the encoder data set is different from the original.
xxx, yyy, zzz: different mechanical conditions
4)
Function diagrams (see SINAMICS S120/S150 List Manual)
• 3612
• 3614
486
p0188 p0189
(encoder_2) (encoder_3)
EDS1 EDS2
EDS3 EDS2
EDS1 EDS2
EDS6 EDS7
EDS1 EDS2
EPOS - Referencing / reference point approach mode (r0108.4 = 1)
(p2597 = 0 signal)
EPOS - Flying referencing mode (r0108.4 = 1) (p2597 = 1-signal)
Encoder Mechanical
for position conditions
4)
control
p2504/
p2502 p2505/
p2506 or
p2503
encoder_2 xxx
encoder_2 xxx
encoder_1 xxx
encoder_1 zzz
encoder_1 xxx
Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4
Load gear Changeover response
position
tracking
Deactivate Pulse inhibit: Actual
d position value
processing is newly
Deactivate
initiated and reference
1)
d
bit is reset.
3)
Deactivate
Operation:
d
Fault is output. Actual
Deactivate
position value
d
conditioning is newly
initiated
1)
and reference bit
reset.
Deactivate MDS changeover alone
d during pulse inhibit or
operation has no effect
is
3)
Drive functions