Vicruns VD120 Series, Manual

Page: 165 / 174

VD120 Series Inverter User Manual Communication Protocol
-
161
-
Output current high Bit xxH
Output current low Bit xxH
Output power high Bit xxH
Output power low Bit xxH
CRCCHK low Bit xxH
CRCCHK high Bit xxH
END T1-T2-T3-T4
9.6.2 Command Code: 06H (00000110), write one word
Such as: Put 1000 (2710H) (namely write-in setting frequency F0-10*100%) write to slave address
01H to the 1000H of the inverter (communication set value 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 10H
Write data address low Bit 00H
Data content high Bit 27H
Data content low Bit 10H
CRCCHK low Bit 97H
CRCCHK high Bit 36H
END T1-T2-T3-T4
RTU slave response information.
START T1-T2-T3-T4
ADDR 01H
CMD 06H
Write data address high Bit 10H
Write data address low Bit 00H
Data content high Bit 27H
Data content low Bit 10H
CRCCHK low Bit 97H
CRCCHK high Bit 36H
END T1-T2-T3-T4
9.6.3 Communication Format Error Check Method
Frame error check mode includes two part verification, Bit check of byte (odd/even verify) and CRC