Goodrive300-19 series open loop vector inverter special for hosit Communication protocol
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RTU master command message (from the master to the inverter)
START
T1-T2-T3-T4 (transmission time of 3.5 bytes)
ADDR
02H
CMD
06H
High bit of writing data address
00H
Low bit of writing data address
04H
High bit of data content
13H
Low bit of data content
88H
CRC low bit
C5H
CRC high bit
6EH
END
T1-T2-T3-T4 (transmission time of 3.5 bytes)
RTU slave response message (from the inverter to the master)
START
T1-T2-T3-T4 (transmission time of 3.5 bytes)
ADDR
02H
CMD
06H
High bit of writing data address
00H
Low bit of writing data address
04H
High bit of data content
13H
Low bit of data content
88H
CRC low bit
C5H
CRC high bit
6EH
END
T1-T2-T3-T4 (transmission time of 3.5 bytes)
Note: 11.2 and 11.3 mainly describe the command format, and the detailed application will be
mentioned in 11.8 with examples.
10.4.3 Command code: 08H, diagnosis function
Meaning of sub-function codes:
Sub-function code
Description
0000
Return to inquire information data
For example: The inquiry information string is same as the response information string when the loop
detection to address 01H of driver is carried out.
The RTU request command is:
START
T1-T2-T3-T4 (transmission time of 3.5 bytes)
