Siemens SINUMERIK 840D sl Programming Manual page 8

Table of contents
1.12.2 Continuous program loop (LOOP, ENDLOOP)......................................................................... 111
1.12.3 Count loop (FOR ... TO ..., ENDFOR) ...................................................................................... 112
1.12.4 Program loop with condition at start of loop (WHILE, ENDWHILE).......................................... 114
1.12.5 Program loop with condition at the end of the loop (REPEAT, UNTIL) .................................... 115
1.12.6 Program example with nested check structures ....................................................................... 116
1.13 Program coordination (INIT, START, WAITM, WAITMC, WAITE, SETM, CLEARM) .............. 117
1.14 Interrupt routine (ASUB)............................................................................................................ 124
1.14.1 Function of an interrupt routine ................................................................................................. 124
1.14.2 Creating an interrupt routine ..................................................................................................... 125
1.14.3 Assign and start interrupt routine (SETINT, PRIO, BLSYNC) .................................................. 126
1.14.4 Deactivating/reactivating the assignment of an interrupt routine (DISABLE, ENABLE) ........... 129
1.14.5 Delete assignment of interrupt routine (CLRINT) ..................................................................... 130
1.14.6 Fast retraction from the contour (SETINT LIFTFAST, ALF) ..................................................... 131
1.14.7 Traversing direction for fast retraction from the contour ........................................................... 134
1.14.8 Motion sequence for interrupt routines ..................................................................................... 137
1.15 Axis replacement, spindle replacement (RELEASE, GET, GETD)........................................... 138
1.16 Transfer axis to another channel (AXTOCHAN) ....................................................................... 144
1.17 Activate machine data (NEWCONF)......................................................................................... 146
1.18 Write file (WRITE) ..................................................................................................................... 147
1.19 Delete file (DELETE)................................................................................................................. 151
1.20 Read lines in the file (READ) .................................................................................................... 153
1.21 Check for presence of file (ISFILE)........................................................................................... 157
1.22 Read out file information (FILEDATE, FILETIME, FILESIZE, FILESTAT, FILEINFO) ............. 159
1.23 Checksum calculation using an array (CHECKSUM) ............................................................... 162
1.24 Roundup (ROUNDUP) .............................................................................................................. 164
1.25 Subprogram technique.............................................................................................................. 165
1.25.1 General information................................................................................................................... 165
1.25.1.1 Subprogram .............................................................................................................................. 165
1.25.1.2 Subprogram names................................................................................................................... 166
1.25.1.3 Nesting of subprograms ............................................................................................................ 167
1.25.1.4 Search path............................................................................................................................... 169
1.25.1.5 Formal and actual parameters .................................................................................................. 169
1.25.1.6 Parameter transfer .................................................................................................................... 170
1.25.2 Definition of a subprogram ........................................................................................................ 173
1.25.2.1 Subprogram without parameter transfer ................................................................................... 173
1.25.2.2 Subprogram with call-by-value parameter transfer (PROC) ..................................................... 174
1.25.2.3 Subprogram with call-by-reference parameter transfer (PROC, VAR) ..................................... 176
1.25.2.4 Save modal G functions (SAVE) ............................................................................................... 178
1.25.2.5 Suppress single block execution (SBLOF, SBLON) ................................................................. 180
1.25.2.6 Suppress current block display (DISPLOF, DISPLON, ACTBLOCNO).................................... 187
1.25.2.7 Identifying subprograms with preparation (PREPRO) .............................................................. 192
1.25.2.8 Subprogram return M17 ............................................................................................................ 193
1.25.2.9 RET subprogram return ............................................................................................................ 194
1.25.2.10 Parameterizable subprogram return jump (RET ...).................................................................. 195
1.25.3 Subprogram call ........................................................................................................................ 203
1.25.3.1 Subprogram call without parameter transfer............................................................................. 203
1.25.3.2 Subprogram call with parameter transfer (EXTERN)................................................................ 205
1.25.3.3 Number of program repetitions (P) ........................................................................................... 208
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Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
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