Siemens SINUMERIK 840D sl Function Manual page 989

2.14 Programming tips with STEP 7 ..................................................................................................272
2.14.1 General ......................................................................................................................................272
2.14.2 Copying data ..............................................................................................................................272
2.14.3 ANY and POINTER....................................................................................................................273
2.14.3.1 POINTER or ANY variable for transfer to FC or FB...................................................................273
2.14.3.2 General ......................................................................................................................................275
2.14.3.3 Use of POINTER and ANY in FC if POINTER or ANY is available as parameter.....................275
2.14.3.4 Use of POINTER and ANY in FB if POINTER or ANY is available as parameter.....................277
2.14.4 Multiinstance DB ........................................................................................................................278
2.14.5 Strings ........................................................................................................................................280
2.14.6 Determining offset addresses for data block structures ............................................................281
3 Supplementary conditions ..................................................................................................................... 283
4 Examples............................................................................................................................................... 285
5 Data lists................................................................................................................................................ 287
5.1 Machine data..............................................................................................................................287
5.1.1 NC-specific machine data ..........................................................................................................287
5.1.2 Channelspecific machine data ...................................................................................................287
Index...................................................................................................................................................... 289
Basic logic functions: PLC Basic program powerline (P3 pl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Table of contents
5