Siemens SINUMERIK 828D Programming Manual page 8

Table of contents
1.12 Check structures ......................................................................................................................... 98
1.12.1 Program loop with alternative (IF, ELSE, ENDIF)....................................................................... 99
1.12.2 Continuous program loop (LOOP, ENDLOOP)......................................................................... 101
1.12.3 Count loop (FOR ... TO ..., ENDFOR) ...................................................................................... 102
1.12.4 Program loop with condition at start of loop (WHILE, ENDWHILE).......................................... 103
1.12.5 Program loop with condition at the end of the loop (REPEAT, UNTIL) .................................... 104
1.12.6 Program example with nested check structures ....................................................................... 105
1.13 Program coordination (INIT, START, WAITM, WAITMC, WAITE, SETM, CLEARM) .............. 106
1.14 Interrupt routine (ASUB)............................................................................................................ 112
1.14.1 Function of an interrupt routine ................................................................................................. 112
1.14.2 Creating an interrupt routine ..................................................................................................... 113
1.14.3 Assign and start interrupt routine (SETINT, PRIO, BLSYNC) .................................................. 114
1.14.4 Deactivating/reactivating the assignment of an interrupt routine (DISABLE, ENABLE) ........... 116
1.14.5 Delete assignment of interrupt routine (CLRINT) ..................................................................... 117
1.14.6 Fast retraction from the contour (SETINT LIFTFAST, ALF) ..................................................... 118
1.14.7 Traversing direction for fast retraction from the contour ........................................................... 121
1.14.8 Motion sequence for interrupt routines ..................................................................................... 124
1.15 Axis replacement, spindle replacement (RELEASE, GET, GETD)........................................... 125
1.16 Transfer axis to another channel (AXTOCHAN) ....................................................................... 130
1.17 Activate machine data (NEWCONF)......................................................................................... 132
1.18 Write file (WRITE) ..................................................................................................................... 133
1.19 Delete file (DELETE)................................................................................................................. 136
1.20 Read lines in the file (READ) .................................................................................................... 138
1.21 Check for presence of file (ISFILE)........................................................................................... 141
1.22 Read out file information (FILEDATE, FILETIME, FILESIZE, FILESTAT, FILEINFO) ............. 143
1.23 Checksum calculation using an array (CHECKSUM) ............................................................... 146
1.24 Roundup (ROUNDUP) .............................................................................................................. 148
1.25 Subprogram technique.............................................................................................................. 149
1.25.1 General information................................................................................................................... 149
1.25.1.1 Subprogram .............................................................................................................................. 149
1.25.1.2 Subprogram names................................................................................................................... 150
1.25.1.3 Nesting of subprograms ............................................................................................................ 151
1.25.1.4 Search path............................................................................................................................... 152
1.25.1.5 Formal and actual parameters .................................................................................................. 153
1.25.1.6 Parameter transfer .................................................................................................................... 154
1.25.2 Definition of a subprogram ........................................................................................................ 156
1.25.2.1 Subprogram without parameter transfer ................................................................................... 156
1.25.2.2 Subprogram with call-by-value parameter transfer (PROC) ..................................................... 157
1.25.2.3 Subprogram with call-by-reference parameter transfer (PROC, VAR) ..................................... 159
1.25.2.4 Save modal G functions (SAVE) ............................................................................................... 161
1.25.2.5 Suppress single block execution (SBLOF, SBLON) ................................................................. 162
1.25.2.6 Suppress current block display (DISPLOF, DISPLON, ACTBLOCNO).................................... 168
1.25.2.7 Identifying subprograms with preparation (PREPRO) .............................................................. 171
1.25.2.8 Subprogram return M17 ............................................................................................................ 172
1.25.2.9 RET subprogram return ............................................................................................................ 173
1.25.2.10 Parameterizable subprogram return jump (RET ...)............................................................. 174
1.25.3 Subprogram call ........................................................................................................................ 181
1.25.3.1 Subprogram call without parameter transfer............................................................................. 181
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Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
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