Siemens SINUMERIK 840Di Function Manual page 600

Detailed Description
2.6 Block search Type 5 SERUPRO
With implicit IPTRUNLOCK
Nesting of search-suppressed program sections in two program levels with implicit
IPTRUNLOCK. The implicit IPTRUNLOCK in subprogram1 ends the search-suppressed
area.
N10010 IPTRLOCK()
N10020 R1 = R1 + 1
N10030 G4 F1
...
as in previous example
N20030 RET
...
N10060 R2 = R2 + 2
N10070 RET
N100 G4 F1
An interruption in the search-suppressed program section of the above program always
returns block "N10030 G4 F1".
An interruption at N100 then returns N100 in SPARPRI again.
On one program level
Nesting of IPTRLOCK and IPTRUNLOCK on one program level
N10010 IPTRLOCK()
N10020 R1 = R1 + 1
N10030 G4 F1
...
...
N10050 IPTRLOCK()
...
N10060 IPTRUNLOCK()
N10070 R2 = R2 + 2
2-64
; Interpretation of the blocks in an
illustrative sequence.
; Subprogram1 is prepared for the
block search:
; Program level 1
;
; Hold block
; of the search-suppressed program
section starts
;
;
;
;
; End of search-suppressed program
section
; Main program is continued
; Interpretation of the blocks in an
illustrative sequence
; Subprogram1 is prepared for the
block search:
; Program level 1
;
; Hold block
of the search-suppressed program
section starts
;
;
; Is ineffective
;
; Is ineffective
; End of search-suppressed program
Mode Group, Channel, Program Operation, Reset Response (K1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0