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Siemens S5-100U - Organization Blocks

Siemens S5-100U
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Introduction to STEP 5 S5-100U
Figure 7-4 shows how to set up a structured control program. It also illustrates the significance of
organization blocks.
Figure 7-4. Example of Organization Block Use
FB61FB2
OB1
OB21/OB22
System program
PB1 SB1*
Control program
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* For CPU 103 and higher
7-10
EWA 4NEB 812 6120-02

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