Delta Electronics AC Motor Drive VFD-G, User Manual

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Chapter 4 Parameters
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Revision July 2008, EG03, SW V1.06 4-75
RTU mode:
Command message: Response message: Error response message
ADR 01H ADR 01H ADR 01H
CMD 03H CMD 03H CMD 90H
Starting data 01H Number of data 04H Error code 02H
address 01H data 0101H 17H CRC CHK LOW CDH
Number of data 00H’ content 70H CRC CHK HIGH C1H
(Word) 02H 0102H 08H
CRC CHK Low 94H content 98H
CRC CHK High 37H CRC CHK LOW FBH
CRC CHK HIGH 36H
● Command code: 06H, write a word
For example, writing 6000(1770H) to address 0100H of AMD with address 01H.
ASCII mode:
Command message: Response message: Error response message
STX ‘:’ STX ‘:’ STX ‘:’
ADR 1 ‘0’ ADR 1 ‘0’ ADR 1 ‘0’
ADR 0 ‘1’ ADR 0 ‘1’ ADR 0 ‘1’
CMD 1 ‘0’ CMD 1 ‘0’ CMD 1 ‘8’
CMD 0 ‘6’ CMD 0 ‘6’ CMD 0 ‘6’
data ‘0’ data ‘0’ Error ‘0’
starting ‘1’ starting ‘1’ code ‘2’
address ‘0’ address ‘0’ LRC CHK 0 ‘6’
‘0’ ‘0’ LRC CHK 1 ‘D’
data ‘1’ data ‘1’ END 1 CR
‘7’ ‘7’ END 0 LF
‘7’ ‘7’
‘0’ ‘0’
LRC CHK 1 ‘7’ LRC CHK 1 ‘7’
LRC CHK 0 ‘7’ LRC CHK 0 ‘7’
END 1 CR END 1 CR
END 0 LF END 0 LF