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MELSEC-Q
8 TROUBLESHOOTING
[Data Link Information]
5) Total Number of Linked Stations
The number of stations (the total number of link stations set in network
parameter for the remote master station + 1 (remote master station)) is
displayed.
6) Station of Maximum Normal Transmission (SW005A)
The greatest station number of the station where the baton pass (transient
transmission) is normally performed is displayed.
On the station where the baton pass is normally performed, the T.PASS LED
of the network module is on.
7) Station of Maximum Data Link (SW005B)
The greatest station number of the station where the data link (cyclic
transmission and transient transmission) is normally performed is displayed.
On the station where the data link is normally performed, the D.LINK LED of
the network module is on.
8) Transmission Status (SW0047)
The transmission status of the host station is displayed.
Status Description
In Data Link Data link is being executed.
Suspend Data link (Other) Other station stopped the cyclic transmission.
Suspend Data link (Host)
The host station stopped the cyclic
transmission.
Baton Pass (No area)
No area is assigned for the host's B/W
transmission.
Baton Pass (Parameter Halt) An error is identified in the host's parameters.
Baton Pass (No Receive)
The common parameters have not been
received.
Disconnecting (No Baton)
The same station number has been set for two
or more stations or the cable is not connected.
Disconnecting (Link Error) The cable is not connected.
In Test The online/offline test is being executed.
Resetting Hardware fault
9) Reason for Transmission Interruption (SW0048)
The cause of the communication (transient transmission) failure of the host
station is displayed.
For the corrective actions, refer to Section 8.3 "Error Codes".
Item Description/Action
Normal Communications being executed normally
Offline In offline status
Offline Test The offline test being executed
Initial state In initial state (Error code: F101, F102, F105)
Shift Control Station Error occurred (Error code: F104, F106)
Online testing Error occurred (Error code: F103, F109, F10A)
Baton disappearance Error occurred (Error code: F107)
Baton repetition Error occurred (Error code: F108)
Same Station Present Error occurred (Error code: F10B)
Control Station repetition Error occurred (Error code: F10C)
Reception retry error Error occurred (Error code: F10E)
Transmission retry error Error occurred (Error code: F10F)
Timeout error Error occurred (Error code: F110)
Network Disorder Error occurred (Error code: F112)
Disconnecting... Error occurred (Error code: F11B)
No baton to local station Error occurred (Error code: F11F)
Error code: ****
Error occurred (Refer to the displayed error
code.)