104
‘1’
‘1’
‘1’
cmd
‘0’
cmd
‘0’
cmd
‘8’
‘3’
‘3’
‘3’
Data
source
address
high
bit
‘ 0 ’
Data bytes
‘0’
Abnormal code
‘0’
‘ 0’
‘4’
‘2’
low
bit
‘1’
Address
0013 h
content
high
bit
‘ 0 ’
LRC
‘7’
‘ 3 ’
‘ 0 ’
‘A’
Read the register
number
‘ 0 ’
low
bit
‘ 3 ’
END1(CR)
0DH
‘ 0 ’
‘2’
END0(LF)
0AH
‘ 0 ’
Address
0014
h
content
high
bit
‘0 ’
‘ 2’
‘0’
LRC
‘E’
low
bit
‘0’
‘7’
‘ A ’
END1(CR)
0DH
LRC
‘B’
END0(LF)
0AH
‘C’
END1(CR)
0DH
END0(LF)
0AH
2. RTU
PC -
> drive
Response -
> PC
(OK)
Response -
> PC
(Error)
Address
01H
Address
01H
Address
01H
CMD
03H
CMD
03H
CMD
83H
Data
source
address
high
bit
00H
Data bytes
04H
Abnormal
code
02H
low
bit
13H
The
high
bit
00H
CRC
low bit
C0H
Mode