Constants

You declare constants with the keyword CONSTANT. Constants can be either local or global.

Syntax:

VAR CONSTANT <identifier>:<Type> := <initialization>; END_VAR

• BOOL Constants
• TIME Constants
• DATE Constants
• DATE_AND_TIME Constants
• TIME_OF_DAY Constants
• Numeric Constants
• REAL/LREAL Constants
• String Constants
• Typed Literals

See also

• Using Input Assistance