Siemens Sinumerik 840D sl Programming Manual page 9

1.25.2.9 RET subprogram return ........................................................................................................... 185
1.25.2.10Parameterizable subprogram return jump (RET ...) ................................................................ 186
1.25.3 Subprogram call ...................................................................................................................... 193
1.25.3.1 Subprogram call without parameter transfer ........................................................................... 193
1.25.3.2 Subprogram call with parameter transfer (EXTERN) .............................................................. 195
1.25.3.3 Number of program repetitions (P) .......................................................................................... 197
1.25.3.4 Modal subprogram call (MCALL) ............................................................................................. 199
1.25.3.5 Indirect subprogram call (CALL) .............................................................................................. 201
1.25.3.6 Indirect subprogram call with specification of the calling program part
(CALL BLOCK ... TO ...) .......................................................................................................... 202
1.25.3.7 Indirect call of a program programmed in ISO language (ISOCALL) ...................................... 203
1.25.3.8 Calling subroutine with path specification and parameters (PCALL) ....................................... 205
1.25.3.9 Extend search path for subprogram calls (CALLPATH) .......................................................... 206
1.25.3.10Execute external subroutine (EXTCALL) ................................................................................. 208
1.25.4 Cycles ...................................................................................................................................... 212
1.25.4.1 Parameterizing user cycles ..................................................................................................... 212
1.26 Macro technique (DEFINE ... AS)............................................................................................ 216
2 File and Program Management ...............................................................................................................219
2.1 Program memory..................................................................................................................... 219
2.2 Working memory (CHANDATA, COMPLETE, INITIAL) .......................................................... 224
2.3 Structuring instruction in step editor (SEFORM) ..................................................................... 227
3 Protection zones .....................................................................................................................................229
3.1 Definition of the protection zones (CPROTDEF, NPROTDEF) ............................................... 229
3.2 Activating/deactivating protection zones (CPROT, NPROT)................................................... 233
3.3 Checking for protection zone violation, working area limitation and software limits
(CALCPOSI) ............................................................................................................................ 237
4 Special Motion Commands .....................................................................................................................245
4.1 Approaching coded positions (CAC, CIC, CDC, CACP, CACN) ............................................. 245
4.2 Spline interpolation (ASPLINE, BSPLINE, CSPLINE, BAUTO, BNAT, BTAN, EAUTO, ENAT,
ETAN, PW, SD, PL)................................................................................................................. 246
4.3 Spline grouping (SPLINEPATH).............................................................................................. 257
4.4 NC block compression (COMPON, COMPCURV, COMPCAD, COMPOF) ............................ 259
4.5 Polynomial interpolation (POLY, POLYPATH, PO, PL)........................................................... 262
4.6 Settable path reference (SPATH, UPATH).............................................................................. 268
4.7 Measurements with touch trigger probe (MEAS, MEAW) ....................................................... 271
4.8 Extended measuring function (MEASA, MEAWA, MEAC) (option)......................................... 274
4.9 Special functions for OEM users (OMA1 ... OMA5, OEMIPO1, OEMIPO2, G810 ... G829) ... 283
4.10 Feed reduction with corner deceleration (FENDNORM, G62, G621)...................................... 284
4.11 Programmed end-of-motion criterion (FINEA, COARSEA, IPOENDA, IPOBRKA,
ADISPOSA) ............................................................................................................................. 285
4.12 Programmable servo parameter set (SCPARA)...................................................................... 288
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Programming Manual, 02/2011, 6FC5398-2BP40-1BA0
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