Cc-Link/Lt Diagnostics Using Gx Developer - Mitsubishi MELSEC-Q Series User Manual

6 TROUBLESHOOTING

6.6 CC-Link/LT Diagnostics Using GX Developer

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After connecting all modules with connection cables, you can check the condition of
each module with this diagnosis to see if data link is available or not.
This function is also available when the QJ61CL12 is installed to a remote I/O station
of MELSECNET/H.
(1) Line Monitor [Host station]
Data link status of the host station (the station connected to peripheral devices) is
monitored.
(a) Operation steps
"Diagnostics"
Select "CC-Link/LT" in "Module Setting", specify the start I/O number of
QJ61CL12 in "I/O Address" and then click on "Start Monitoring".
(b) Monitoring Items
1) Host Station
Displays that the master station is monitored.
2) Data Link Status
Displays data link status of the host station.
Start Data linking: Data link is active.
Stop Data linking: Data link is stopped.
Initial comm. incomplete: Initial communication incomplete status
3) Action Status
Displays the operating state of the host station.
Normal
Data linking error :Faulty data link station(s) identified.
"CC-Link / CC-Link/LT Diagnostics"
:All stations normally execute data link.
MELSEC-Q
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