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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