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Goodrive20-EU series VFD
Communication protocol
The command sent to the VFD:
Continuous
LRC
VFD
Parameters
Data
writing
address
check
address
number
command
If the operation succeeds, the response message is as follows:
Continuous
LRC
Parameters
VFD
Data
writing
address
address
number
check
command
Note: the blank in the above command is for illustration. The blank cannot be added in the
actual application unless the upper monitor can remove the blank by themselves.
7.6 Common communication fault
Common communication faults: no response to the communication or the VFD returns
abnormal fault.
The possible reason for no response to the communication:
Selecting wrong serial interface, for example, if the converter is COM1, selecting COM2 during
the communication
The baud rate, digital bit, end bit and check bit are not the same with the VFD + and - of
RS485 are connected in reverse.
The 485 wire cap on the terminal board of the VFD is not plug in. the wire cap in behind the
terminal arrangement.
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Questions and answers
Start stop time
The start-stop time for the INVT Goodrive20-EU VFD Series is not explicitly mentioned in the provided context. However, the "Pre-exciting time" (P03.25) is listed as a parameter that helps improve torque performance during startup, with a setting range of 0.000 to 10.000 seconds. If more specific start-stop time details are needed, they may be found in additional documentation.
This answer is automatically generated