Flowchart To Use When Communication Is Disabled From Time To Time During User Program; Program Execution - Mitsubishi Electric SW0DNC-MNETH-B User Manual

14 TROUBLESHOOTING
14.5.3 Flowchart to use when communication is disabled from time to time during user

program execution

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START
Did the user program
return an error code?
NO
Start MNETH utility and check the each
station status.
Is there any faulty station?
NO
Set a system configuration that
includes only the control station and
host station.
Is the link normal?
YES
Add adjacent stations one after the
other and perform link monitor for a
sufficient period.
YES
Confirm the definition of the error using
the error code table, and check the user
program and access station.
Refer to MELSEC Data Link Library
Reference Manual.
YES
Replace the link cable or faulty
station.
NO
Replace the link cable or additional
station connected.
MELSEC
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