UMI-B1 UL Series Inverter Communication protocol
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High bit of writing data
address
Low bit of writing data
address
RTU slave response message (from the inverter to the master)
High bit of writing data
address
Low bit of writing data
address
Note: section 10.2 and 10.3 mainly describe the command format, and the detailed
application will be mentioned in 10.8 with examples.
7.3.3 Command code 08H for diagnosis
Meaning of sub-function codes
Return to inquire information data
For example: The inquiry information string is the same as the response information
string when the loop detection to address 01H of driver is carried out.
The RTU request command is:
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