Siemens SINUMERIK 840D sl Programming Manual page 471

10.7 Program sections that can be conditionally interrupted (DELAYFSTON, DELAYFSTOF)
Program code
...
N99 MY_LOOP:
N100 G0 Z200
N200 G0 X0 Z200
N300 DELAYFSTON()
N400 G33 Z5 K2 M3 S1000
N500 G33 Z0 X5 K3
N600 G0 X100
N700 DELAYFSTOF()
N800 GOTOB MY_LOOP
Further information
Stop events
In the stop delay section, a change in the feedrate and feedrate inhibit are ignored. They
only become effective after the stop delay section.
Stop events are divided into:
 "Soft" stop events
 "Hard" stop events
Selection of a number of stop events, which induce at least short stopping:
Event name
RESET
PROG_END
INTERRUPT
SINGLEBLOCKSTOP
STOPPROG
PROG_STOP
WAITM
WAITE
STOP_ALARM
RETREAT_MOVE_THREAD
WAITMC
Job Planning
Programming Manual, 03/2013, 6FC5398-2BP40-3BA1
Response: delayed
Response: immediate
Response Interruption parameters
Immediate IS: DB21, ... DBX7.7 and DB11 DBX20.7
Alarm 16954 NC prog.:
Delayed IS: FC-9 and ASUP DB10 DBB1
Delayed Single block mode in the stop delay section is activated:
NC stops at the end of the first block outside the stop delay
section.
Single block already selected before the stop delay
section:
NST: "NC Stop at block limit" DB21, ... DBX7.2
Delayed IS: DB21,... DBX7.3 and DB11 DBX20.5
Alarm 16954 NC prog.:
Alarm 16954 NC prog.:
Alarm 16954 NC prog.:
immediate Alarm: Alarm configuration STOPBYALARM
Alarm 16954 NC prog.: Alarm 16954 with
(stop and fast lift in G33 not possible)
Alarm 16954 NC prog.:
Path traversing behavior
M30
and
M0 M1
WAITM
WAITE
LFON
WAITMC
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