Function and Function Block Representation

 

Overview

Each function can be represented in the following languages:

oIL: Instruction List

oST: Structured Text

oLD: Ladder Diagram

oFBD: Function Block Diagram

oCFC: Continuous Function Chart

This chapter provides functions and function blocks representation examples and explains how to use them for IL and ST languages.

What Is in This Chapter?

This chapter contains the following topics:

oDifferences Between a Function and a Function Block

oHow to Use a Function or a Function Block in IL Language

oHow to Use a Function or a Function Block in ST Language