Compare - Siemens SIMATIC S7 System Manual
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Also See for SIMATIC S7:
- System manual (866 pages) ,
- Functional safety manual (212 pages) ,
- User manual (134 pages)
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6.1.4
Compare
LAD
After you click on the instruction in the program editor, you can select the comparison type
and data type from the drop-down menus.
S7-1200 Programmable controller
System Manual, 11/2009, A5E02486680-02
You use the compare instructions to compare two values of
the same data type. When the LAD contact comparison is
TRUE, then the contact is activated. When the FBD box
comparison is TRUE, then the box output is TRUE.
FBD
Programming instructions
6.1 Basic instructions
111
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