Appendix A
DVP-MC operating manual A-7
Decimal 16 is equal to hexadecimal 10. (ADR 1, ADR 0)=’10’, ‘1’=31H, ‘0’ = 30H
3. Function code and data
The data format is determined by function codes. E.g. to read the two continuous address data with
hexadecimal 0x1000 as the start address in DVP10MC11T. The communication address of DVP10MC11T
is 1, 0x1000 is the Modbus address of D0 in DVP10MC11T PLC.
The data explanation is shown as below:
PC→DVP10MC11T:
3A 30 31 30 33 31 30 30 30 30 30 30 32 45 41 0D 0A
DVP10MC11T→PC:
3A 30 31 30 33 30 34 30 30 30 31 30 30 30 32 46 35 0D 0A
Request message:
Field name Field character
ASCII code corresponding to field
character
Start character
“:” 3A
“0” 30
Communication address: 01
“1” 31
“0” 30
Function code: 03
“3” 33
“1” 31
“0” 30
“0” 30
Start address: 0x1000
“0” 30
“0” 30
“0” 30
“0” 30
Data number
(Counted by words): 2
“2” 32
“E” 45
LRC check code: 0xEA
“A” 41
End character 1
“CR” 0D
End character 0
“LF” 0A
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