Noresponse occurs:
In the cases below, the inverter ignores a query and returns no response.
xWhen receiving a broadcasting query
xWhen detecting a transmission error in reception of a query
xWhen the slave address set in the query is not equal to the slave address of the
inverter
xWhen a time interval between data elements constituting a message is shorter than
3.5 characters
xWhen the data length of the query is invalid
NOTE: Provide a timer 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.

B9

Appendix B
B 9
Appendix B