Appendix Application Illustration 89
Appendix Application Illustration
1. Lighting Control for Staircase
1.1 Requirement for Staircase Lighting
y When someone goes up-stair or down-stair, the lighting system shall be energized to provide sufficient
luminance.
y After the walker passes the staircase, lighting system shall be turned off in five minutes automatically or
manually.
1.2 Traditional Lighting Control
There are two traditional controls available:
y Apply pulse relay
y Apply automatic timer to control the lighting system on the staircase
Components Applied
Switches
Auto lighting system or pulse relay for staircase
Applying the pulse relay as controller for staircase lighting system
y The lighting is on as long as any switch is turned on.
y Press any switch again to turn off the lighting system.
Shortcoming: It is a frequent weak point for the person to forget turning off the light at most cases.
Auto lighting control system for the staircase
y The light is on whenever the switch is turned on.
Lighting system shall be turned off in a few minutes automatically or manually
Shortcoming: The user has no way to reset the turn-off time.
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