Mitsubishi Electric MELSEC iQ-R Series User Manual page 54

Offline mode station in ring topology
In following conditions, the station connected to the offline mode station cannot detect loopback
• One of the Ethernet cables connected to the offline mode station is disconnected.
(1)
(1) Control station
(2) Station in offline mode
(3) No loopback is detected.
• A station connected to the offline mode station is disconnected.
(1)
(1) Control station
(2) Station in offline mode
(3) No loopback is detected.
To detect loopback, set the offline mode station as a reserved station.
When the offline mode station is disconnected, loopback can be detected.
Following stations operate as same as a station in the offline mode.
• A station during the RESET status
• A station with no station number setting
5 SYSTEM CONFIGURATION
52
5.2 CC-Link IE Controller Network Configuration
(2)
(2)
(3)
(3)