Siemens SINUMERIK 840D sl Function Manual page 496

K1: Mode group, channel, program operation, reset response
9.8 Block search Type 5 (SERUPRO)
Acknowledgement of FC9 only after completion of REPOS block:
The ASUB can only be signaled as complete from the FC9 block with "ASUB Done" if the
REPOS block has also been completed.
Deselection of assigned REPOS operation after point 8:
The start of the ASUB deselects the assigned REPOS operation!
Therefore, the ASUB should be ended with REPOSA in order to retain the REPOS operation.
Deleting an unwanted REPOS operation:
The unwanted REPOS operation is deleted by completing the ASUB with M17 or RET.
Special handling of ASUB:
As a basic rule, an ASUB that ends with REPOS and is started from stopped state receives
special treatment.
The ASUB stops automatically before the REPOS block and indicates this via:
DB21, ... DBX318.0 (ASUB is stopped)
Automatic ASUB start
The ASUB in path:
/_N_CMA_DIR/_N_PROG_EVENT_SPF
is started automatically in SERUPRO approach with machine data:
MD11450 $MN_SEARCH_RUN_MODE, bit 1 = 1
according to the following sequence:
1. The SERUPRO operation has been performed completely.
2. The user presses "NC start".
3. The ASUB is started.
4. The NC stops automatically before the REPOS part program command and the
message "Press NC start to continue the program" appears.
5. The user presses "NC start" again.
6. The NC executes the repositioning motion and continues the part program at the target
block.
Note
The automatic ASUB start with MD11450 requires Starts to continue the program.
The procedure is in this respect similar to other search types.
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Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Basic Functions