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Errors During Slmp Communication - Mitsubishi Electric FX5 User Manual

Melsec iq-f series, ethernet communication.
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Errors during SLMP communication

Communication error
Check the status of target device
connection configuration.
Is the target device
connection configuration
correct?
YES
Is command sent from
the target device?
YES
Is response sent
to the device that sent
the command?
YES
Is the end code of the
response "0"?
YES
(1)
13 TROUBLESHOOTING
156
13.5 Troubleshooting Flowchart
NO
Set the target device connection
configuration.
NO
Send the command to built-in
Ethernet.
NO
Is the IP address
specified in the command
correct?
YES
Is the
communication protocol
(TCP/UDP) with the target
device matching?
YES
Is the IP
address of the external device
not denied in IP Filter
Settings?
YES
The command may not be sent to
the built-in Ethernet from the target
device. Check the sending end.
Fix the cause of error based on the
NO
contents of end code, error code
(refer to Section 11.3).
NO
Modify the IP address and send the
command once again.
NO
Match the communication protocol
(TCP/UDP) with the target device.
Cancel the block of the IP address of
NO
the external device, or set as the
address to be allowed, and send the
command again.

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