Fuling Inverter DZB200 Series User Manual page 48

DZB Series
RTU Response Message of the Slave
START
T1-T2-T3-T4 (tra nsmission time of 3.5 bytes)
ADDR
CMD
Higher bits of byte number
Lower bits of byte number
Hi gher bits of data address 0004H
Lower bits of data address 0004H
Hi gher bits of data address 0005H
Lower bits of data address 0005H
CRC CHK lower bit
CRC CHK higher bit
END T1-T2-T3-T4 (tra nsmission time of 3.5 bytes)
ASCII Command Message of the Master
START
ADDR
CMD
Higher bits of start address
Lower bits of start address
Higher bits of data number
Lower bits of data number
LRC CHK Hi
LRC CHK Lo
END Lo
END Hi
- 89-
Appendix B Serial Communications
01H
03H
00H
04H
00H
00H
00H
00H
43H
07H
':'
'0'
'1'
'0'
'3'
'0'
'0'
'0'
'4'
'0'
'0'
'0'
'2'
'F'
'6'
CR
LF
DZB Series
ASCII Response Message of the Slave
S TART
ADDR
CMD
Higher bits of byte number
Lower bits of byte number
Higher bits of data address 0004H
Lower bits of data address 0004H
Higher bits of data address 0005H
Higher bits of data address 0005H
LRC CHK Hi
LRC CHK Lo
END Lo
END Hi
6.2 Command code: 06H (0000 0110), read one word
For example, read 5000 (1388H) into the address 0008H of the inverter with the slave address of 02H,
the structure of the frame is as follows:
RTU Command Message of the Master
S TART T1-T2-T3-T4 (transmission time of 3.5 bytes)
ADDR
CMD
Write higher bits of the data address
Write lower bits of the data address
Higher bits of data content
Lower bits of data content
- 90-
Appendix B Serial Co mmunications
':'
'0'
'1'
'0'
'3'
'0'
'0'
'0'
'4'
'0'
'0'
'0'
'2'
'0'
'0'
'0'
'0'
'F'
'6'
CR
LF
02H
06H
00H
07H
13H
88H
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