San Tin Modification Work for Traffic Controller

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    This project is set up a traffic light control at San Tin Interchange. A control panel with S7-200 PLC is linked up with another S7-200 PLC for remote monitoring and control the traffic light. The control panel has buttons and light bulbs for controlling and displaying status of traffic lights and system. PPI is the communication medium between two PLCs.

System Structure


Control panel

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