Delta ASDA-B2-F Series User Manual page 192

ASDA-B2-F
RTU Mode:
Command Message (Master):
Slave Address
Function
Start Data Address
Data Number
(in word)
CRC Check Low
CRC Check High
Note:
Before and after transmission in RTU mode, 10 ms of silent interval is needed.
Example 2: function code 06H, writing single word:
The master issues command to the 1
sends response message to the master after writing is completed. The calculation of LRC and
CRC will be described in the following section.
ASCII Mode:
Command Message (Master):
Start
Slave Address
Function
Start Data Address
Data Content
LRC Check
End 1
End 0
September, 2015
01H
03H
02H (High)
00H (Low)
00H
02H
C5H (Low)
Content of Second Data
B3H (High)
st
slave and writes data 0064H to address 0200H. The slave
':'
'0'
'1'
'0'
'6'
'0'
'2'
'0'
'0'
'0'
'0'
'6'
'4'
'9'
'3'
(0DH)(CR)
(0AH)(LF)
Response Message (Slave):
Slave Address
Function
Data Number
(in byte)
Content of Start Data
Address 0200H
Address 0201H
CRC Check Low
CRC Check High
Response Message (Slave):
Start
Slave Address
Function
Start Data Address
Data Content
LRC Check
End 1
End 0
Communications
01H
03H
04H
00H (High)
B1H (Low)
1FH (High)
40H (Low)
A3H (Low)
D4H (High)
':'
'0'
'1'
'0'
'6'
'0'
'2'
'0'
'0'
'0'
'0'
'6'
'4'
'9'
'3'
(0DH)(CR)
(0AH)(LF)
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