Mitsubishi Electric MELSEC iQ-R Series User Manual page 202

Cannot be monitored using the CC-Link IE TSN Communication Software
The following lists the actions to be taken if information cannot be monitored using the CC-Link IE TSN Communication
Software.
Check item
Are three or more modules connected to CC-Link IE TSN
Communication Software?
Is "Network Topology" under "Basic Settings" in the master station set to
"Ring"?
Is the CC-Link IE TSN communication software connected to a CC-Link
IE TSN Class A device?
Is "Communication Mode" under "Application Settings" set to "Unicast"?
Is the CC-Link IE TSN Communication Software connected to a
general-purpose hub?
Does the CC-Link IE TSN Communication Software reconnect within 20
seconds of disconnecting?
In addition to the above actions, refer to the following troubleshooting methods.
 CC-Link IE TSN Communication Software for Windows User's Manual
The network map is not displayed correctly
If the network map in "CC-Link IE TSN/CC-Link IE Field Diagnostics" is not displayed correctly, check the following.
Check item
Is the network in the ring topology configured correctly?
4 TROUBLESHOOTING
200
4.4 Troubleshooting by Symptom
Action
Connect two or fewer modules.
Set "Network Topology" under "Basic Settings" to "Line", "Star", or "Line/Star".
Connect the CC-Link IE TSN communication software to a CC-Link IE TSN Class B
device or a TSN hub.
Set "Communication Mode" under "Application Settings" to "Multicast".
Connect the CC-Link IE TSN communication software to a CC-Link IE TSN Class B
device or a TSN hub.
Before reconnecting the CC-Link IE TSN Communication Software, wait more than
20 seconds.
Action
• Match "Network Topology" under "Basic Settings" to the actual connection status.
• Disconnect the switching hub.
When "Network Topology" under "Basic Settings" is set to "Ring", disconnect the
following network modules.
• A network module not supporting ring topology
• A network module with a communication speed different from the communication
speed of the master station
• A network module not set in the parameters of the master station