Siemens SINUMERIK 840D Function Manual

Table of contents
Basic logic functions: PLC Basic program powerline (P3 pl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
5
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

Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB