Field Network Diagnostics Function - Mitsubishi Electric M80 Series Maintenance Manual

M800/M80/E80 Series Maintenance Manual
4 Failure Diagnosis

4.14 Field Network Diagnostics Function

This function displays the statistical information of packet transmission and reception (transmission/reception frequency,
number of errors, etc.), which is necessary when the communication status of the expansion unit (the field network expan-
sion unit) is diagnosed.
The function is useful to figure out the causes, for example, in the following cases.
Communication is disconnected
Communication is not carried out properly
The communication expansion units in the table below are available with this function.
Unit No.
FCU8-EX564
FCU8-EX565
The statistical information of communication packets can be checked on the I/F diagnosis screen of NC.
[Conditions for use]
Data can be input or output to the I/F diagnosis screen. (The password issued by the MTB is required to be set to execute
1-shot output.)
The field network expansion unit is not being stopped due to some exceptional reason.
IB-1501273-F
Protocol
CC-Link IE Field
EtherNet/IP
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