Siemens SINUMERIK 840D sl Programming Manual page 467

10.6 Program sequence with preprocessing memory (STOPFIFO, STARTFIFO, FIFOCTRL, STOPRE)
Preprocessing stop
Programming the
The following block is not executed until all preprocessed and saved blocks have been
executed in full. The preceding block is halted in exact stop (as with G9).
NOTICE
Program abort
If tool offset or spline interpolations are active, a
programmed, as this will lead to contiguous block sequences being interrupted.
Syntax
Table 10- 1
STOPFIFO
...
STARTFIFO
Table 10- 2
...
FIFOCTRL
...
Table 10- 3
...
STOPRE
...
Note
The
separate block.
Job Planning
Programming Manual, 03/2013, 6FC5398-2BP40-3BA1
command in a block will stop block preprocessing and buffering.
STOPRE
Identify machining step:
Automatic preprocessing memory control:
Preprocessing stop:
, ,
STOPFIFO STARTFIFO FIFOCTRL
command should not be
STOPRE
, and commands have to be programmed in a
STOPRE
Path traversing behavior
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