Additional information
End of subprogram
DELAYFSTOF is activated implicitly at the end of the subprogram in which DELAYFSTON is
called.
Nesting
If subprogram 1 calls subprogram 2 in a stop delay area, the whole of subprogram 2 is a stop
delay area. In particular, DELAYFSTOF in subprogram 2 has no effect.
Example:
Program code Comment
N10010 DELAYFSTON ; Blocks with N10xxx program level 1.
N10020 R1 = R1 + 1
N10030 G4 F1 ; Stop delay area starts.
...
N10040 subprogram2
...
... ; Interpretation of subprogram 2.
N20010 DELAYFSTON ; Ineffective, repeated start, 2nd level.
...
N20020 DELAYFSTOF ; Ineffective, end at another level.
N20030 RET
N10050 DELAYFSTOF ; Stop delay end of range at the same level.
...
N10060 R2 = R2 + 2
N10070 G4 F1 ; Stop delay area ends. From now, stops act immediately.
System variables
The following system variables can be queried to determine whether part program processing
is currently in a stop delay area:
● in the part program with $P_DELAYFST
● in synchronized actions with $AC_DELAYFST
Value Meaning
0 Delay stop range not active
1 Delay stop area active
3.14.7 Prevent program position for SERUPRO (IPTRLOCK, IPTRUNLOCK)
For some complicated mechanical situations on the machine it is necessary to the stop block
search SERUPRO.
By using a programmable interruption pointer it is possible to intervene before an untraceable
point with "Search at point of interruption".
Work preparation
3.14 Path traversing behavior
NC programming
850 Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
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