Siemens sinumerik 840d Programming Manual page 109

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2.10 Single block suppression, SBLOF, SBLON (SW 4.3 and higher)
840D 840D
NCU 572
NCU 571
NCU 573
The range between N20 and N60 is executed in
single block mode as one step.
Single block disable for asynchronized
subprograms
The ASUP1.SYF and ASUP2.SYF subprograms run
system-internally with REPOS must be executed
step by step. In Software Version 4.3 and higher, the
system ASUP can be executed in one step by
programming SBLOF.
Example:
N10 SBLOF
N20 IF $AC_ASUP=='H200'
N30 RET
N40 ELSE
N50 REPOSA
N60 ENDIF
N70 RET
Supplementary conditions
• Display of the current block can be suppressed in
cycles by means of DISPLOF.
• If DISPLOF is programmed together with SBLOF,
then the cycle call is still displayed in single block
stops within a cycle.
• The default setting made in MD 20117:
IGNORE_SINGLEBLOCK_ASUP for the
behavior of asynchronized subprograms in single
block mode can be program-specifically
overwritten by programming SBLOF.
• For testing purposes it is possible to suppress the
effectiveness of SBLOF via OPI variable (see
OEM documentation).
 Siemens AG 2000. All rights reserved
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) − 04.00 Edition
FM-NC 810D 840Di
Subprograms, Macros
No REPOS with mode change
REPOS in all other cases
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