Sending Errors During Fixed Buffer Communication (Common To Procedure Exist And No Procedure) - Mitsubishi Electric FX3U-ENET User Manual

11 TROUBLESHOOTING
11.5.1 Sending errors during fixed buffer communication
(common to procedure exist and no procedure)
Check the open status of the
connection with an external device.
corresponding connection
LEDs (C1-C8) lit?
If so, modify the program.
Read the open abnormal code (BFM
#229...) of the error log area and
check that no errors have occurred.
Read the content of the communication
abnormal code storage area (BFM
#125, 135...) corresponding to the
fixed buffer of the buffer memory and
check whether or not a communication
error has occurred.
Has a communication
Check that "send" is set in the
parameter open settings.
Are the open settings
IP address of the external device,
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Sending error
Are the
NO
YES
NO
Have parameter
errors occurred?
YES
NO
error occurred?
YES
1)
set to "send"?
YES
Is the parameter,
NO
correct?
YES
1)
Execute the open processing of the
applicable connection. (For details,
see Section 5.6.)
Fix the error according to the error
code (see Section 11.4).
Fix the error according to the error
code (see Section 11.4).
NO
Change parameters to "send".
Correct the IP address of the external
device.
MELSEC-F
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