Function introduction of voltage monitor

1. Real-time voltage display status: display the date, time, instantaneous value and status of each voltage;

2. Menu status:

(1) Query the annual/monthly/daily statistics of each voltage, including: total running time, average voltage, qualified time, qualified rate, over-limit time, over-limit rate, maximum voltage value, maximum voltage generation time, minimum voltage value, minimum voltage generation time, power outage times and total time;

(2) Inquire about the voltage loss records of each channel, including the loss time and recovery time.