Stairwell Light Switch

Light switch for stairwells with adjustable timer and warning function.
The function block is suitable for lighting staircases.

Table of Contents


Abbreviation Summary Description Value Range
Tr Trigger Switches output (O) on for the duration set in parameter (Don). 0/1
Off Off Pulse: Outputs are reset / switched off.
On: Block is locked.
Dominating input.
The name of the connected sensor is used in the user interface.
On Switches output (O) on. 0/1
DisPc Disable periphery control Disables all inputs when On. (e.g Child lock, cleaning)
Control via user interface is still possible.


Abbreviation Summary Description Value Range
O Output 0/1
AC API Connector Intelligent API based connector.
API Commands


Abbreviation Summary Description Unit Value Range Default Value
Rem Remanence input Remanence input: If active, the function block retains its previous state after a Miniserver reboot.
The state of the function block is saved:
– When saving to the Miniserver
– At a planned reboot
– Before a backup
– Once per hour
The data is saved on the SD card.
- 0/1 0
Don On-duration of output (O) On-duration of output (O) when triggered by input (Tr). s 0...∞ 180
Tw Switch-off warning time Time of the switch-off warning before output (O) switches off. s 0...∞ 15
Dw Switch-off warning duration s 0...∞ 0,5

Timing Diagram

Presence Simulation

This function block has a presence simulation.
Activate and define the presence simulation in the properties window: