S5-95F STEP 5 Operations
8 STEP 5 Operations
The STEP 5 programming language has the following three operation types:
• Basic Operations include functions that can be executed in organization, program, sequence,
and function blocks.
• Supplementary Operations include complex functions such as substitution statements, test
functions, and shift and conversion operations.
All supplementary operations are programmed in the STL method of representation. As of
version V 6.0 of the STEP 5 basic package, the CSF type of representation can also be used for
some of these operations.
• System Operations access the operating system directly. Only an experienced programmer
should use them.
• System operations can be input and output in STL form only.
• If you are familiar with S5-95U programming, then please note that the operations can be
restricted with the S5-95F and/or can be executed differently (see section 16.2.2).
8.1 Basic Operations
Sections 8.1.1 through 8.1.9 use examples to describe the basic operations.
EWA 4NEB 812 6210-02
8-1
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