xLogic SuperRelay User’s Manual
52
3.4.9 Stairway lighting switch
Short description
The edge of an input pulse triggers a configurable time. The output is reset when this time
has expired. An off warning can be output prior to the expiration of this time.
Connection Description
Input
You trigger the time (off delay) for the stairway switch with a
signal at input Trg (Trigger).
Parameter
T: The output is reset (1 to 0 transition when the time T has
expired.
T
!
determines the triggering time for the prewarning.
T
!L
determines the length of the prewarning time.
Retentivity set (on) = the status is retentive in memory.
Output
Q is reset after the time T has expired. A warning signal can be
output before this time has expired.
Parameter
The value of "T"can be set/modified in parameter mode.For information about how
to modify, refer to chapter 4.2.2 please.
Timing diagram
Changing the time base