Mitsubishi Electric MELSEC iQ-R Series User Manual page 166

Check item
Is the IP address of the slave station blocked by
the IP filter setting of the master station?
Is the IP address of the master station blocked by
the IP filter setting of the slave station?
Are time synchronization devices with time
synchronization priority of 0 to 15 connected?
Is a switching hub connected in a ring topology?
Is the TSN hub connected normally?
4 TROUBLESHOOTING
164
4.1 Checking with LED
Action
Correct the "IP Filter Settings" under "Application Settings".
Remove time synchronization devices with time synchronization priority of 0 to 15, or change the priority
setting to between 16 and 255. ( Manual for the time synchronization devices used)
Do not connect a switching hub in a ring topology.
Power off and on the TSN hub.
Set the TSN hub parameters as follows.
• Enable each port of the TSN hub.
• Set the communication speed and port type to Auto.
• Match the settings of the time synchronization and communication cycle of the TSN hub to those of the
master station.
• Match the VLAN setting of the master station to the VLAN setting of the slave station.
For the setting method, refer to the manual for the TSN hub used.