The use of PLC programmable controller for automatic management of stair lighting is an ideal way for public lighting of stairs. It has the following two characteristics:
1. Press the button on the upper or lower floor, then the lights on each floor of the stairs can be lit and extinguished in turn. The lighting time of each floor is 10s. You can also reset the time according to the specific conditions, which can greatly save energy.
2. At the same time, when several households go upstairs or downstairs, the stairway lights can still be lit up in turn, and they will be extinguished. The required electricity bill will be evenly distributed. The user who finishes using the lighting will stop measuring the electricity bill. reasonable.
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