ACD320 user manual
0005H
LRC CHK Hi
LRC CHK Lo
END Lo
END Hi
Appendix
‘0’
‘46’
‘8’
CR
LF
6.2Command code: 06H (0000 0110), read one word
For example, read5000 (1388H) into the address 0007 of the inverter with the slave
address of 02H, the structure of the frame is as follows:
RTU Command Message of the Master
START
T1-T2-T3-T4（transmission time of 3.5 bytes）
ADDR
02H
CMD
06H
Write higher bits of the data
00H
address
Write lower bits of the data
07H
address
Higher bits of data content
13H
Lower bits of data content
88H
CRC CHK lower bit
35H
CRC CHK higher bit
6EH
END
T1-T2-T3-T4（transmission time of 3.5 bytes）
RTU Response Message of the Slave
START
T1-T2-T3-T4（transmission time of 3.5 bytes）
ADDR
02H
CMD
06H
Write higher bits of the data
00H
address
Write lower bits of the data
07H
address
Higher bits of data content
13H
Lower bits of data content
88H
CRC CHK lower bit
35H
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