Vicruns VD300 Series, User Manual

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Communication Protocol VD300 Series Inverter User Manual
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CMD 03H
Bit number 10H
Output frequency high bit xx H
Output frequency low bit xx H
Setting frequency high bit xx H
Setting frequency low bit xx H
Motor run speed high bit xx H
Motor run speed low bit xx H
Bus voltage high bit xx H
Bus voltage low bit xx H
Output frequency high bit xx H
Output frequency low bit xx H
CRC CHK low bit xx H
CRC CHK high bit xx H
END T1-T2-T3-T4
9.6.2 Command Code: 06H (0000 0110), write one word
Such as: Put 5000(1388H) (namely write-in setting frequency 50.00Hz) write to slave address 01H
inverter 3001H (communication set frequency address). The frame structure description as below:
RTU Master command information.
START T1-T2-T3-T4
ADDR 01H
CMD 06H
Write data address high bit 30H
Write data address low bit 01H
Data content high bit 13H
Data content low bit 88H
CRC CHK low bit DAH
CRC CHK high bit 5CH
END T1-T2-T3-T4
RTU slave response information.
START T1-T2-T3-T4
ADDR 01H