CTU

PROGRAM CTU_DEMO
    VAR
     BOOL1,BOOL2,BOOL3: BOOL;
    INT1,INT2: INT;
     FB:CTU;
    END_VAR
    FB(CU:=BOOL1,R:=BOOL2,PV:=INT1,Q=>BOOL3,CV=>INT2);
END_PROGRAM

Description

The block acts as a counter counting up from zero to the preset value pv.

Input	Type	Description	Default value
CD	BOOL	Rising edge counts one up	False
R	BOOL	Sets the counter to zero	False
PV	INT	Final value of the counter	0

Output	Type	Description
Q	BOOL	State when the counter finished counting (counting finished: q=true).
CV	INT	Current value of the counter

CTU

Block name

ST call

Description

Inputs

Outputs

Application example