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
z
Switches
z
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.
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