Eaton MVX9000 Series, Руководство пользователя

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Group 90 — Communications
5-72 MVX9000 User Manual
Descriptions of
Parameter Settings
Example
Command code: 06H, write 1 word
For example, writing 6000 (1770H) to address 0100H of MVX9000 with address 01H.
Table 5-8: Example ASCII mode
Table 5-9: Example RTU mode
Command message Response message
STX : STX :
ADR 1 0 ADR 1 0
ADR 0 1 ADR 0 1
CMD 1 0 CMD 1 0
CMD 0 6 CMD 0 6
Data address 0 Data address 0
1 1
0 0
0 0
1 Data content 1
7 7
7 7
0 0
LRC CHK 1 7 LRC CHK 1 7
LRC CHK 0 1 LRC CHK 0 1
END 1 CR END 1 CR
END 0 LF END 0 LF
Command message Response message
ADR 01H ADR 01H
CMD 06H CMD 06H
Data address 01H Data address 01H
00H 00H
Data content 17H Data content 17H
70H 70H
CRC CHK Low 86H CRC CHK Low 86H
CRC CHK High 22H CRC CHK High 22H