Mitsubishi QJ71LP21 Reference Manual page 220

8 TROUBLESHOOTING
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[Data link information]
5) Total number of link stations
Displays the total number of the link stations set with the parameter plus one
(for the remote master station).
6) Station of maximum normal transmission (SW005A)
Displays the highest station number that is executing the baton pass
normally (the status where the transient transmission is possible).
The T.PASS LED of the network module turns on for stations executing the
baton pass normally.
7) Station of maximum data link (SW005B)
Displays the highest station number that is executing data linking normally
(cyclic transmission and transient transmission).
The D.LINK LED of the network module turns on for stations executing data
linking normally.
8) Transmission status (SW0047)
Displays the communication status of the host.
In Data Link
Suspend Data link (Other)
Suspend Data link (Host)
Baton Pass (No area)
Baton Pass (Parameter Halt)
Baton Pass (No Receive)
Disconnecting (No Baton)
Disconnecting (Link Error)
In Test
Resetting
9) Reason for transmission interruption (SW0048)
Displays the causes why the host cannot communicate (transient
transmission).
For details on actions to take, see Section 8.3, "Error Codes."
Normal
Offline
Offline Test
Initial state
Shift Control Station
Online testing
Baton disappearance
Baton repetition
Same Station Present
Control Station repetition
Reception retry error
Transmission retry error
Timeout error
Network Disorder
Disconnecting...
No baton to local station
Others (error code)
Indication
Indication
MELSEC-Q
Description
Data link is being executed.
Other station stopped the cyclic transmission.
The host station stopped the cyclic
transmission.
No area is assigned for the host's B/W
transmission.
An error is identified in the host's parameters.
The common parameters have not been
received.
Station numbers are duplicated or the cable is
not connected.
The cable is not connected.
The online/offline test is being executed.
Hardware fault
Description/Action
Communications being executed normally
In offline status
The offline test being executed
Error occurred (Error code: F101, F102, F105)
Error occurred (Error code: F104, F106)
Error occurred (Error code: F103, F109, F10A)
Error occurred (Error code: F107)
Error occurred (Error code: F108)
Error occurred (Error code: F10B)
Error occurred (Error code: F10C)
Error occurred (Error code: F10E)
Error occurred (Error code: F10F)
Error occurred (Error code: F110)
Error occurred (Error code: F112)
Error occurred (Error code: F11B)
Error occurred (Error code: F11F)
Error occurred (See the displayed error code.)
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