LIMITALARM (FB)¶

FUNCTION_BLOCK LIMITALARM

Monitors if an input value is between a lower and a upper limit

InOut:

Scope	Name	Type	Comment
Input	IN	INT	Input value
	HIGH	INT	Upper limit
	LOW	INT	Lower limit
Output	O	BOOL	TRUE: IN > HIGH FALSE: Else
	U	BOOL	TRUE: IN < LOW FALSE: Else
	IL	BOOL	TRUE: Neither O nor U are TRUE