Programming Languages

TwinCAT PLC Control supports all IEC 61131-3 languages. There are two textual languages and four grafical languages.

texual languages

• Instruction List (IL)
• Structured Text (ST)

grafical languages

• Function Block Diagram (FBD)
• Ladder Diagram (LD)
• Continous Function Chart (CFC)
• Sequential Function Chart (SFC)