Описание тега iec61131-3

IEC 61131-3specifies a family of programming langues for programmable logic controllers (PLCs). It describes both textual and graphical languages.

• Instruction List (IL): textual, assembly-like
• Structured Text (ST): textual, Pascal-like
• Ladder Diagram (LD): graphical
• Function Block Diagram (FBD): graphical

References:

• https://en.wikipedia.org/wiki/IEC_61131-3
• http://www.plcopen.org/pages/tc1_standards/iec61131-3/index.htm
• http://www.plcopen.org/pages/tc1_standards/downloads/intro_iec.pdf