Tag Name Reserved Words | System Model

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Tag Name Reserved Words

You cannot use certain reserved words when defining a tag name for a variable tag. You cannot use:

Cicode function names
The following reserved words:

&	*	**	-
/	+	<	<=
>=	<>	=	>
ACTION	AND	ANY_NUM	AREA
ARRAY	BOOL	CASE	CONFIGURATION
CONSTANT	DATE	DATE	DINT
DO	DUT	DWORD	ELSE
EN	END_CASE	END_CONFIGURATION	END_FOR
END_IF	END_PROGRAM	END_VAR	END_WHILE
ENO	EXIT	FALSE	FOR
FUNCTION	IF	INT	INT
MOD	NOT	OF	OR
PROGRAM	REAL	REPEAT	STRING
STRING	TASK	TIME	TIME
TO	TRUE	TRUE	UNTIL
VAR_EXTERNAL	VAR_GLOBAL	VAR_IN_OUT	VAR_INPUT
VAR_OUTPUT	WHILE	WORD	XOR

Note: Using a reserved words or Cicode function name for a tag name may generate a compile error message.

Published June 2018