IDE Documentation ... Reference documentation Creating the application Creating application in ST-editor Supported ST-syntax logi.CAD 3 supports the following elements according to the →IEC-standard: Comments in ST Blanks, tabs or new lines in ST Expressions in ST Operands in ST Operators in ST Declarations in ST Declaration of a program in ST Declaration of a function block in ST Declaration of a function in ST Declaration of a data type in ST Declaration of a data type with named values in ST Declaration of an ARRAY data type in ST Accessing the ARRAY data type and ARRAY elements Declaration of a structured data type in ST Accessing the structured data type and structure elements Declaration of a structured data type with partial address in ST Declaration of a directly derived data type in ST Declaration of an interface incl. method prototypes Declaration of variables in ST Declaration of internal variables in ST Declaration of function block instances in ST Declaration of variables based on an interface Declaration of input variables in ST Declaration of output variables in ST Declaration of in-out variables in ST Declaration of global variables in ST Declaration of global variables in global-object and its usage in ST Declaration of external variables in ST Declaration of temporary variables in ST Declaration of STRING variables (incl. access) Declaration of reference variables (incl. assignments to them) Declaration of a method Initialization of variables in ST Partial access of ANY_BIT variables Assignments in ST Assignment attempt in ST Calls in ST Call of function block instance in ST Call of function in ST Call of method in ST Empty statement in ST More ST statements Defining description, comment or JSON string for variables and data types Property statement in ST Statement to suppress warnings Statement to ignore ST-objects RETURN statement in ST Selection statements in ST: IF, CASE IF statement in ST CASE statement in ST Iteration statements in ST: FOR, WHILE, REPEAT, CONTINUE, EXIT FOR statement in ST WHILE statement in ST REPEAT statement in ST CONTINUE statement in ST EXIT statement in ST SFC elements in ST Initial step in ST Steps in ST Transitions in ST Actions in ST Action qualifiers for SFC elements Namespaces in ST Namespaces in ST: declaration Namespaces in ST: usage