Zähler CTUD aus der Standard.lib, tastzeiten der Eingänge?!

IF (xBlind_Up_Button OR xBlind_Up_Global OR  Instanz1_RS.Q1) AND NOT blind_limit_top THEN
xBlind_UP:= TRUE;
Blind_Going_Up:= TRUE;
ELSIF (xBlind_Down_Button OR xBlind_Down_Global OR Instanz2_RS.Q1) AND NOT blind_limit_bottom THEN
xBlind_DOWN:= TRUE;
Blind_Going_Down:= TRUE;
ELSE
xBlind_UP:= FALSE;
xBlind_DOWN:= FALSE;
Blind_Going_Up:= FALSE;
Blind_Going_Down:= FALSE;
END_IF;


Instanz1_BLINK(    ENABLE:=     Blind_Going_Up,
                    TIMELOW:=     T#50ms,
                    TIMEHIGH:=    T#50ms,
                    OUT=>            Pulse_Blink1 );

Instanz2_BLINK(    ENABLE:=     Blind_Going_Down,
                    TIMELOW:=     T#50ms,
                    TIMEHIGH:=    T#50ms,
                    OUT=>            Pulse_Blink2 );

Instanz1_R_TRIG(CLK:= Pulse_Blink1, Q=>rising_flank_count_up );
Instanz1_F_TRIG(CLK:= Pulse_Blink1, Q=>falling_flank_count_up );

Instanz2_R_TRIG(CLK:= Pulse_Blink2, Q=>rising_flank_count_Down );
Instanz2_F_TRIG(CLK:= Pulse_Blink2, Q=>falling_flank_count_Down);

Instanz1_CTUD(
    CU:= rising_flank_count_up OR falling_flank_count_up,
    CD:= rising_flank_count_down OR falling_flank_count_down,
    RESET:=FALSE,
    LOAD:= FALSE,
    PV:= 840,
    QU=> blind_limit_top,
    QD=> blind_limit_bottom,
    CV=> blind_current_position);