Structured Text and Extended Structured Text (ExST)

• ST Editor
• ST Editor in Online Mode
• ST Expressions
• Assignments
  • ST Assignment Operator
  • ST Assignment Operator for Outputs
  • ExST Assignment ‘S=’
  • ExST Assignment ‘R=’
  • ExST – Assignment as Expression
• Instructions
  • ST Instruction ‘IF’
  • ST Instruction ‘FOR’
  • ST Instruction ‘CASE’
  • ST Instruction ‘WHILE’
  • ST Instruction ‘REPEAT’
  • ST Instruction ‘RETURN’
  • ST Instruction ‘JMP’
  • ST Instruction ‘EXIT’
  • EXST Instruction ‘CONTINUE’
  • ST Function Block Call
  • ST Comments