Main switch will control circuit in normal condition.
The system will display the condition of motor control system in PC
When a main switch failure, PC will display a main switch trip and at the same time SMS will send to mobile phone.
To turn it back, SMS will replay with a command BACKUP ON or also can turn it on with manually.
Backup just for temporary.
If backup also trip, this system will totally off and will display in PC and sending SMS.
In this condition, system should will turn on manually.
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