3.3 Message Communication Error
3.3.1 Checking the Error Status and Transmission Status
3-7
3
Troubleshooting Errors in Message Communication
[ b ] When the UDP protocol is selected
Trans
Status Field
Status Cause Remedy Refer to
- - - - -
Message
communication not set
Connection parameters have not been
set.
Set the connection parameters.
3.3.2
After setting the connection parameters,
the data has not been saved to the flash
memory or the power to the Ethernet
Module has not been turned OFF and
back ON.
After setting connection parameters,
save the data to the flash memory and
turn the power to the Ethernet Module
OFF and back ON.
3.3.2
IDLE
Waiting for execution of
the message function
The E-INIT or INIT switch at the front
of the Ethernet Module is at ON.
Set the E-INIT or INIT switch at the
front of the Ethernet Module to OFF.
–
No message function has been created in
the ladder program.
Create a message function in the ladder
program.
3.3.3
The message function has been created
in the ladder program but not executed.
Create and execute a message function
in the ladder program.
3.3.3
There is an error in the message function
parameter settings (PARAMxx).
Set the message function parameters
(PARAMxx) properly.
3.3.3
CONNECT
Data transmission with
the remote device
enabled
The remote device is not connected or
the power to the remote device is OFF.
Connect the remote device and turn the
power to the remote device ON.
–
The remote device does not have a trans-
mission function (setting) for communi-
cating with the Machine Controller, or
there is an error in communication set-
tings.
Check the transmission function (set-
ting) and the communication settings of
the remote device.
–
There is an error in connection parameter
settings on the Machine Controller side.
Check the connection parameter set-
tings on the Machine Controller side.
3.3.2
There is an error in the transmission pro-
tocol.
Check the error status of the message
function.
3.3.3
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