PR PReasy 4116 - Latch Function: Setpoint Depiction; Latch Function: Window Depiction

62
63
Relay latched
OFF delay
ON delay
Input
signal
Hysteresis
Setpoint
(increasing)
Time
Closed
Open
Relay contact
(N.O.)
Release not possible (setpoint still exceeded)
Release not possible (setpoint-hysteresis still exceeded)
Release not possible (OFF delay still exceeded)
Release possible (manual deactivation)
Hysteresis
Setpoint high
ON delay OFF delay
Relay latched
Relay latched
Closed
Open
Relay contact (N.O.)
Release not possible (still inside window)
Release not possible (inside hysteresis)
Release not possible (OFF delay still active)
Release possible
Time
Window
Graphic depiction of latch function setpoint Graphic depiction of latch function window
ON delay OFF- delay
Hysteresis
Setpoint low