Attention

IronPLC can only run very simple programs. The steps described are accurate but many language features are not yet supported.

Language Reference

IronPLC implements the IEC 61131-3 standard for programmable logic controller programming. This reference covers the language elements shared across all IEC 61131-3 programming languages and the language-specific syntax for each supported language.

Support Status

Feature Area	Status	Section
Elementary data types	Partial	Data Types
Derived data types	Partial	Data Types
Variables and declarations	Partial	Variables
Program organization units	Partial	Program Organization Units
Structured Text	Partial	Structured Text
Ladder Diagram	Not yet supported	Ladder Diagram