Goodrive35 inverters Communication protocol
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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:
T1-T2-T3-T4 (transmission time of 3.5 bytes)
High bit of sub-function code
Low bit of sub-function code
T1-T2-T3-T4 (transmission time of 3.5 bytes)
The RTU response command is:
T1-T2-T3-T4 (transmission time of 3.5 bytes)
High bit of sub-function code
Low bit of sub-function code
T1-T2-T3-T4 (transmission time of 3.5 bytes)
10.4.4 The definition of data address
The address definition of the communication data in this part is to control the running of the
inverter and get the state information and relative function parameters of the inverter.
10.4.4.1 The rules of parameter address of the function codes
The parameter address occupies 2 bytes with the fact that the high bit is in the front and the
low bit is in the behind. The range of high and low byte are: high byte—00~ffH; low byte—
00~ffH. The high byte is the group number before the radix point of the function code and the
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