Chapter 8 Communication Functions
8 - 8
No response occurs:
In the cases below, the inverter ignores a query and returns no response.
When receiving a broadcasting query
When detecting a transmission error in reception of a query
When the slave address set in the query is not equal to the slave address of the inverter
When a time interval between data elements constituting a message is shorter than 3.5
characters
When the data length of the query is invalid
When the reception space is more than 1.5 characters in the frame
When an error check cord of query is incongruous (CRC error)
Note) Provide a t imer in the master and make the master retransmit the same query when no response is
made within a preset time period after the preceding query was sent.
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