12-pulse parallel connection
3.3 Commissioning
12-pulse applications
Compact User Manual, 09/2015, A5E34871844H
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Additional parameter settings
Table 3- 2 Parameter settings on the master converter and on the slave converter:
Slave or parallel devices
The same as on the master
p51800 Position in the topology 21 (12-pulse master) 22 (12-pulse slave)
23 (devices connected in parallel to
the master)
24 (devices connected in parallel to
the slave)
p51801 Amount of send data 0,4,8,12,16 must be the same for both partici-
the same as for the master
the same as for the master
The same as for the master (1..16)
≠ 0 (application-specific)
p50076[..] Reduction in the rated unit DC cur-
Application-specific The same as on the master
Rated value for supply voltage
The same as on the master
p50100 Rated motor current Rated motor cur-
rent/number of SINAMICS
The same as on the master
p50357 Threshold for interrupted tachometer Application-specific 100% (tachometer interruption
1)
If the number of power units that are ready to operate for n+m operation is less than the value set in p51802, then fault
message F60044 is output, followed by shutdown (OFF2).
2)
= 1 at the two outermost units (= at the physical ends of the bus line)
= 0 on all of the other units
3)
Note: In conjunction with r50072[..], ensure that p50076[..] is correctly set, as described in the List Manual under