Instruction Set - Siemens Simatic S7-200 System Manual

Instruction Set

The following conventions are used in this chapter to illustrate the equivalent ladder logic and
statement list instructions and the CPUs in which the instructions are available:
L
A
D
S
T
= n
L
212 214
Chapter Overview
Section
10.1 Valid Ranges for the S7-200 CPUs
10.2 Contact Instructions
10.3 Comparison Contact Instructions
10.4 Output Instructions
10.5 Timer, Counter, High-Speed Counter, High-Speed Output, Clock,
and Pulse Instructions
10.6 Math and PID Loop Control Instructions
10.7 Increment and Decrement Instructions
10.8 Move, Fill, and Table Instructions
10.9 Shift and Rotate Instructions
10.10 Program Control Instructions
10.11 Logic Stack Instructions
10.12 Logic Operations
10.13 Conversion Instructions
10.14 Interrupt and Communications Instructions
S7-200 Programmable Controller System Manual
C79000-G7076-C230-02
n
Ladder logic
(LAD)
representation
Statement list
(STL)
representation
Available in
these CPUs
215 216
Description
Conditional: executed
according to condition
of preceding logic
Unconditional: executed
without preceding logic
10
END
END
Page
10-2
10-4
10-7
10-10
10-13
10-50
10-66
10-68
10-78
10-84
10-99
10-102
10-108
10-114
10-1