N60 N30 N20 N10 firmware BL0910 energy chip register RAW data structure

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If you read the entire data structure via Modbus (function code 0x03), you need to read 68 consecutive holding registers.
   

N10: you can read register address 100  just read 1pc of BL0910 chip
N20: you can read register address 100 and 200  just read 2pcs of BL0910  chips
N30: you can read register address 100 and 200 and 300 just read 3pcs of BL0910 chips
N60: you can read register address 100 and 200 and 300 and 400 and 500 and 600 just read 6pcs of BL0910 chips