Specifications

5
VFD-G Series
DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
5-49
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