S7300

s
Preface, Contents Bit Logic Instructions

1 2 3 4 5 6 7 8 9 10 11 12 13 14

SIMATIC Statement List (STL) for S7-300 and S7-400 Programming
Reference Manual

Comparison Instructions Conversion Instructions Counter Instructions Data Block Instructions Logic Control Instructions Integer Math Instructions Floating-point Math Instructions Load and Transfer Instructions Program Control Instructions Shift and Rotate Instructions Timer Instructions Word Logic Instructions Accumulator Instructions Appendix

This manual is part of the documentation package with the order number: 6ES7810-4CA07-8BW1

Overview of All STL Instructions Programming Examples Parameter Transfer

A B C

Edition 01/2004
A5E00261408-01

Index

Safety Guidelines
This manual contains notices intended to ensure personal safety, as well as to protect the products and connected equipment against damage. These notices are highlighted by the symbols shown below and graded according to severity by the following texts:

! ! !

Danger indicates that death, severe personal injury or substantial property damage will result if proper precautions are not taken.

Warning indicates that death, severe personal injury or substantial property damage can result if proper precautions are not taken.

Caution indicates that minor personal injury can result if proper precautions are not taken.

Caution indicates that property damage can result if proper precautions are not taken.

Notice draws your attention to particularly important information on the product, handling the product, or to a particular part of the documentation.

Qualified Personnel
Only qualified personnel should be allowed to install and work on this equipment. Qualified persons are defined as persons who are authorized to commission, to ground and to tag circuits, equipment, and systems in accordance with established safety practices and standards.

Correct Usage
Note the following:

!

Warning
This