Siemens SINUMERIK 840D sl Function Manual page 638
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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 subprogram 1 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 a search-suppressed program section of the above program always
returns N10030 G4 F1 block.
An interruption at N100 provides N100 again in SPARPRI
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
N100 IPTRLOCK()
...
An interruption in a search-suppressed program section of the above program always
returns theN10030 G4 F1 block in SPARPI.
An interruption on N100 then provides N100 again.
80
; 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 section
; is ineffective
;
Basic logic functions: Mode group, channel, program operation, reset response (K1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
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