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b. Ethernet Port side (slave port)
START
Set the Ethernet Port to run + message
transmission enabled using an operating mode
control request.
No
Is the station status such that run +
message transmission is enabled?
Yes
1. Check the main port side IP address.
2. Verify that there is no router on the network.
3. Check the network verification items.
No
Does a response come back if a
ping is issued to the main Ethernet
Port?
Yes
Is the error counter read out from
the RAS information constant (i.e.,
not being incremented)?
(Use RAS information readout to
determine this.)
RAS error counters: Alignment error:
Short packet
CRC error
It is possible that there is an abnormality on the
network itself. Check the network verification
items.
No
Yes
END