PLC programming Languages and its Applications | Free PLC and DCS Training | Electrical & Automation
here are 5 languages that are all a part of the IEC (International Electrotechnical Commission) Section 61131-3 Standard. This IEC Standard allows some ground rules that standardize PLC’s and their languages.
According to IEC standard 61131-3 is all about software architecture and PLC programming languages. There is a list of five PLC programming languages mentioned in the IEC standard.
The 5 most popular PLC programming languages are Ladder Diagram (LD), Sequential Function Charts (SFC), Function Block Diagram (FBD), Structured Text (ST), and Instruction List (IL)