PLC Archive:PID Controller

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Danish all-in-one PID-Controller FB121 for Simatic S7

contributed by: Jan Steen Nielsen, Denmark

Link to File

Click here to view program file.


This program contains many useful functions for the Siemens Simatic S7-300/400. Among these are mathematical functions, conversion functions, hour counters, analog input/output functions, delay (smoothing) function, PI-Controller and also an all-in-one PID-Controller. All functions are setup for simulation so you can see them working.

The file referenced above is a block diagram of the PID controller. The full set of program files, in a ZIP archive, may be downloaded here.


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