Mitsubishi MELSEC-F User Manual page 250

11 TROUBLESHOOTING
Error code
(abnormal Description of error
code)
The request could not be executed on the
C05F
H
target PLC.
The content of a request is incorrect.
C060 (Incorrect data was designated for bit devices,
H
etc.)
The content of a request is incorrect.
C072 (Requested read/write in bit units to word
H
devices.)
Request was not supported by the Ethernet
C073
H
module of the target PLC.
A message exceeding the receive message
C086
H
size was received.
System Error
C091
H
(Flash ROM write error)
System Error
C093 (Sum of the parameters written to flash ROM is
H
inconsistent)
Data that could not be processed by the
C0B5
H
PLC/Ethernet module was designated.
The open processing of the applicable
C0B9
H
connection is has not been completed.
Cannot acknowledge sending request since the
C0BA
close processing is being executed via the
H
CLOSE instruction.
System error
C0BB
H
• The OS detected any error.
C0BC Designated communication line is closed.
H
Cannot send by acknowledging continuous
C0BD
H
requests.
C0BE System error
H
• The OS detected any error.
C0BF
H
The receiving completion confirmation signal
C0C0 was turned on when the receiving completion
H
signal was not on.
C0C1 The transmission interval of UDP is too short.
H
C0C2
H
System error
to
• The OS detected any error.
C0C3
H
Re-initialization was started during
C0C4
H
communication
• A sending request was made to an external
device whose class/network address are
different from those of the local station when
C0C5
H
the router relay function is not used.
• The setting of the router relay parameter is
incorrect.
System error
C0C6
H
• The OS detected any error.
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Error handling
• Correct the network number and PC number.
• Correct the content of the read/write request.
• Correct the content of the request and send to
the Ethernet module again.
(Correction of data, etc.)
• Check whether the content can be requested
to the target PLC.
• Correct the content of the request and send it
to the Ethernet module again.
• Review the content of the request.
• Correct the send message size from the
requesting source.
( 1)
( 1)
• Review the content of the request.
• Cancel the current request.
• Execute the open processing.
• Check the operation of the external device.
• Execute the open processing and make a
sending request.
( 1)
• Open the communication line.
• Review the target connection number.
• Check whether or not requests are made
continuously without waiting for responses.
( 1)
• Review and correct the program.
• Check whether or not sending requests are
repeated.
• Make the sending interval longer.
( 1)
• Execute re-initialization after closing all
connections.
• Execute the initial processing by setting that
the router relay function should be used.
• Set the correct data for the router relay
parameter.
• Correct the IP address of the external device
and execute the open processing.
• Check that the network address is correct.
When it is changed, execute the initial
processing again.
( 1)
MELSEC-F
Storage destination
BFM# BFM# BFM# BFM#
105 124 125 126
BFM# BFM#
229 22649
11 - 25