Mitsubishi Electric FX5-ENET User Manual page 57

■CC-Link IE Field Network Basic
Check item
Is the timeout time setting of the master station too short?
Are there any slave stations having an error?
Is the line load high?
Is CC-Link IE Field Network Basic being simultaneously executed at a
different network address on the same line?
Are data communications with other Ethernet devices being performed on the
same line?
Is any of the following function being executed?
• Access from GX Works3 (such as ladder monitor)
• Latch function
• Data logging function
When the link scan time delays
If the link scan time is slow, refer to Page 54 When a station is repeatedly disconnected and reconnected.
When cyclic transmission of the master station stops
If the master station's cyclic transmission stops, check the following.
Check item
Is the transmission status of slave stations normal?
Action
Increase the timeout time of the master station.
Perform troubleshooting for the slave station having an error.
Lower the CC-Link IE Field Network Basic communication frequency, and
lower the line load.
Separate the network and configure two CC-Link IE Field Network Basic lines.
Separate the network for other Ethernet devices from the CC-Link IE Field
Network Basic line and configure the CC-Link IE Field Network Basic line.
Stop the function. Or, modify settings. For example, extend the execution
interval, decrease the execution frequency, or reduce the range of the
function.
Action
• If there are any disconnected slave stations, take actions according to the
error details.
• If there are no disconnected slave stations, check the network connection.
A problem may be occurring from a device other than those set in the
master station.
9.5 Troubleshooting by Symptom
9 TROUBLESHOOTING
9
55