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Checking The Buffer Memory; Event History Function - Mitsubishi Electric FX5-ENET User Manual

Melsec iq-f series.
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Checking the buffer memory

The buffer memories can be used to check for errors that have occurred in FX5-ENET.
Module error
If an error occurs in FX5-ENET, check the following buffer memories.
Buffer memory address
Buffer memory name
Latest error code
Initial status
Initial abnormal code
For the stored error code, refer to Page 57 Module error.
Ethernet communication error
If an error occurs during general-purpose Ethernet communication, the error code will be stored in the following buffer
Buffer memory address
Buffer memory name
Un\G108 to Un\G139
Error code
For the stored error code, refer to Page 57 Module error.

Event history function

This function collects errors from FX5-ENET, and keeps them in the SD memory card, and data memory or battery backed
built-in RAM of the CPU module.
The event information collected by the CPU module can be displayed on GX Works3 to check the occurrence history in
chronological order.
Event type
For evevt code, refer to Page 61 List of Event Code.
Setting procedure
The event history function can be set from the event history setting window of GX Works3. For the setting procedure, refer to
the following.
MELSEC iQ-F FX5 User's Manual (Application)
Displaying event history
Access the menu of GX Works3. For details on the operating procedure and how to view the contents, refer to the following.
GX Works3 Operating Manual
Stores the latest error code.
It is possible to confirm whether the initialization is normally completed.
An error code will be stored when the initialization is abnormally completed.
Error code of each connection (1 to 32) is stored.
An error detected by the self diagnostics in FX5-ENET.
9.2 Checking the Module Status


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