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Appendix I
H5RS485 Card & RS485Communication Protocol
Start address highorder
F0H
Start address loworder
02H
Register number highorder
00H
Register number loworder
02H
CRC CHK low order
CRC CHK values to be calculated
CRC CHK high order
Slave response
PD.05=0
:
ADR
01H
CMD
03H
Byte number high order
00H
Byte number low order
04H
Data P002H high order
00H
Data P002H low order
00H
Data P003H high order
01H
CRC CHK low order
CRC CHK values to be calculated
CRC CHK high order
PD.05=1
:
ADR
01H
CMD
03H
Byte number
04H
Data F002H high order
00H
Data F002H low order
00H
Data F003H high order
00H
Data F003H low order
01H
CRC CHK low order
CRC CHK values to be calculated
CRC CHK high order
Command code
:
06H write a word
For example
:
Write 5000(1388H) into F00AH which slave address is 02H.
Master command information
ADR
02H
CMD
06H
Data address high order
F0H
Data address low order
0AH
Data content high order
13H
Data content low order
88H
CRC CHK low order
CRC CHK values to be calculated
CRC CHK high order
Содержание HV590 Series
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