194 Ethernet module User’s Manual
Chapter 8 Error Handling
8
(b) EN311 side (slave station)
Start
End
Set the station to run + message
transmission enabled using an
operating mode control request.
Is the station status
such that run +
message transmission
is enabled ?
Does a response come
back if a PING is issued
to the main station
EN311 ?
No
No
Yes
Yes
It is possible that there is an error on
the network itself. Check the network
verification items.
Is the er
from the RAS information
constant ?
No
Yes
1) Check the main station IP address.
2) Configure the router if there is a
router on the transmission line.
3) Check the network verification
items.
RAS error counters: Alignment error
Short packet
CRC error
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