ST Help, function & block function

najs

Member
Join Date
Feb 2006
Posts
2
Hello

I am trying to learn IEC 1131-3 and I am completely new to PLC programming. I have some trouble understanding how to write function and block function.

Can somebody show me a code example of how to program the following in Structured Text

1) Define a function.
2) Define a block function.
3) Call a function.
4) Create an instance of a block function.
5) Call a block function.

/Najs
 

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