Delta ASDA-B3 Series, Руководство пользователя

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MODBUS Communication ASDA-B3
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Example 3: function code 10H, write multiple words
When the master issues a write command to the first slave:
The slave writes two words 0BB8H and 0000H starting from the start address 0112H. In other
words, 0BB8H is written into 0112H and 0000H is written into 0113H. The maximum allowable
number of data in one single access is 8. The slave sends a response message to the master
after writing is complete.
ASCII mode:
Command Message (Master): Response Message (Slave):
Start ‘:’ Start ‘:’
Slave Address
‘0’
Slave Address
‘0’
‘1’ ‘1’
Function
‘1’
Function
‘1’
‘0’ ‘0’
Start Data Address
‘0’
Start Data Address
‘0’
‘1’ ‘1'
‘1’ ‘1’
‘2’ ‘2’
Data Number
(in words)
‘0’
Data Number
‘0’
‘0’ ‘0’
‘0’ ‘0’
‘2’ ‘2’
Data Number
(in bytes)
‘0’
LRC
‘D’
‘4’ ‘A’
Content of the
1 st Data Frame
‘0’ End 1 (0DH) (CR)
‘B’ End 0 (0AH) (LF)
‘B’
‘8’
Content of the
2 nd Data Frame
‘0’
‘0’
‘0’
‘0’
LRC
‘1’
‘3’
End 1 (0DH) (CR)
End 0 (0AH) (LF)