Start
A cross-over
cable is used for the direct
connection between the computer
and the Ethernet
Module.
NO
YES
Use a cross-over cable.
If the connection is made via
a hub, use straight cables.
Check the following.
• The power to the connecting devices
(computer, hub) is turned ON.
• Ethernet cables are connected properly.
The IP LED at the front of
the Ethernet Module is lit.
NO
12
YES
The IP* or ERR* LED
at the front of the Ethernet Module
is flashing.
The 218IF-01 Module is used.
YES
YES
NO
Check whether the module
configuration definition has
been set and saved to the
flash memory properly.
Replace the module.
*1ޓFor the built-in Ethernet Module
*2ޓFor the 218IF-01 or 218IF-02 Module
NO
The LINK LED on
the Ethernet connector is lit.
YES
NO
Connection with MPE720
version 6 can be established.
NO
YES
This is the trouble related to
message communication.
End
This is the trouble
related to MPE720.
Check whether appropriate Ethernet
communication modes are set.
For details, refer to 1.3
Checking Ethernet Communication
Modes
.
For details, refer to 1.2
Checking Ethernet
Cables
.
For details, refer to 1.4
Checking
the LED Indications
.
Refer to Chapter 2
Troubleshooting
Errors in Communi-
cation with MPE720
.
Refer to Chapter 3
Trou-
bleshooting Errors in Mes-
sage Communication
.
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