Enumeration with explicit basic data type

Extensions of the IEC 61131-3 standard

The base data type for an enumeration declaration is INT by default. However, you can also declare enumerations that are based explicitly on another integer data type.

Example

Enumeration with base data type DWORD

TYPE COLOR :
(
        white := 16#FFFFFF00,
        yellow := 16#FFFFFF00,
        green := 16#FF00FF00,
        blue := 16#FF0000FF,
        black := 16#88000000
) DWORD := black
; // Basic data type is DWORD, default initialization for all COLOR variables is black
END_TYPE