Specifications

10-1
S7-200 Programmable Controller System Manual
C79000-G7076-C233-01
IEC 1131-3 Instructions
This chapter describes the standard IEC 1131-3 instructions. There are some
SIMATIC instructions that can be used in an IEC program. These instructions are
called non-standard IEC instructions, and are shown at the beginning of each
section.
Chapter Overview
Section Description Page
10.1 IEC Bit Logic Instructions 10-2
10.2 IEC Compare Instructions 10-7
10.3 IEC Timer Instructions 10-11
10.4 IEC Counter Instructions 10-15
10.5 IEC Math Instructions 10-19
10.6 IEC Move Instructions 10-24
10.7 IEC Logic Instructions 10-26
10.8 IEC Shift and Rotate Instructions 10-29
10.9 IEC Conversion Instructions 10-32
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