Detailed description
2.14 Programming tips with STEP 7
Basic logic functions: PLC Basic program powerline (P3 pl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
279
Example
FUNCTION_BLOCK FB 99
Comment
VAR_INPUT
varin: INT ;
END_VAR
VAR
variable1: ARRAY[0 to 9] of INT;
variable2: INT ;
END_VAR
BEGIN
L
P##variable1;
//Pointer at start of ARRAY
//The value 8500 0010 is now in the accumulator
//and a cross-area pointer is in the AR2. If cross-area processing is to take
place, then an area should be skipped when these two pointers are added.
AD
DW#16#00FF_FFFF,
//Skipping of an area
LAR1
//Load into AR1
TAR2;
+AR1 AR2;
//AR2 instance offset to be added
//The ARRAY of variable1 can now be accessed indirectly via AR1.
L
DIW [AR1, P#0.0];
//E.g., access to first element
END_FUNCTION_BLOCK
Summary of Contents for SINUMERIK 840D sl
Page 282: ...Index Basic logic functions Acceleration B2 64 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 388: ...Basic logic functions Travel to fixed stop F1 Function Manual 11 2006 6FC5397 0BP10 2BA0 52 ...
Page 962: ...Index Basic logic functions Emergency Stop N2 20 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1704: ...Constraints Basic logic functions Spindles S1 94 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1716: ...Index Basic logic functions Spindles S1 106 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1996: ...Index Basic logic functions Tool Offset W1 208 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 2150: ...Table of contents Basic logic functions Appendix 4 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 2184: ...Glossary Basic logic functions Appendix 38 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...