Y_YA_CTUD_Retained

Function block to count up or down and provide users the ability to retain their counters.

Parameters

*	Parameter	Data Type	Description	Default
VAR_IN_OUT
V	CV	INT	Counter value to which the retained variable must be connected.
VAR_INPUT
V	CU	BOOL	The Count Up input triggers the count to increment.	FALSE
V	CD	BOOL	The Count Down input triggers the count to decrement	FALSE
V	RESET	BOOL	Triggers the reset of Counter Value to zero	FALSE
V	LOAD	BOOL	Triggers the loading of the Preset Value input value to the Counter Value.	FALSE
V	PV	INT	Preset Value input which denotes the limit to which the count is incremented	INT#0
VAR_OUTPUT
V	QU	BOOL	TRUE if CV >= PV
V	QD	BOOL	TRUE if CV <= 0