Delta ASDA-B2 Series User Manual page 278

ASDA-B2
Example 1: function code 03H, access multiple words:
The Master issues the command to the 1
starting from the start address 0200H. In response message from the Slave, the content of
starting address 0200H is 00B1H and the content of the 2
The maximum allowable data in one single access is 10. The calculation of LRC and CRC
will be described in next chapter.
ASCII Mode:
Command message (Master):
Start
Slave address
Function
Starting data
address
Number of data
LRC Check
End 1
End 0
Revision May, 2018
st
Slave and reads the continuous 2 words
':'
'0'
'1'
'0'
'3'
'0'
'2'
'0'
'0'
'0'
'0'
'0'
'2'
'F'
'8'
(0DH)(CR)
(0AH)(LF)
nd
data address 0201H is 1F40H.
Response message (Slave):
Start
Slave address
Function
Number of data
(In Byte)
Contents of
starting data
address 0200H
Contents of
second data
address 0201H
LRC Check
End 1
End 0
Chapter 8 Communications
':'
'0'
'1'
'0'
'3'
'0'
'4'
'0'
'0'
'B'
'1'
'1'
'F'
'4'
'0'
'E'
'8'
(0DH)(CR)
(0AH)(LF)
8-9