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If the operation is successful, the response may be as below (the same with the command
sent by the master):
Note: the blank in the above command is for illustration. The blank can not be added in the
actual application unless the upper monitor can remove the blank by themselves.
Common communication fault
Common communication faults are: no response to the communication or the inverter
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 inverter + and - of
RS485 are connected in reverse.
The 485 wire cap on the terminal board of the inverter is not plug in. the wire cap in behind
the terminal arrangement.
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