[Cause]
The slave axis connection of the board shown in Bd %d is idle. The master has not yet connected to this slave axis connection.
[Countermeasure]
Check that the master settings are correct. Also check whether the master is online. Set this alarm's severity by selecting STOP, WARN, or PAUSE in the slave device error severity setting under slave device operation on the board details screen. The default is STOP. For details, refer to the DeviceNet Operator's Manual.