5 TROUBLESHOOTING
5.3 Checking the Network Status
117
5
Reading connection information
The RJ71EIP91 obtains connection information by sending a connection information reading request to the EtherNet/IP
device.
For details on the buffer memory, refer to the following.
Page 152 Connection information (Un\G28291 to Un\G28341)
■Program example
For the program example of connection information reading, refer to the following.
MELSEC iQ-R EtherNet/IP Network Interface Module User's Manual (Startup)
■Error details
The reading result of the connection information can be checked from 'Read result' (Un\G28290).
The following table lists the details when an error occurs.
'Read result' (Un\G28290) Error details and causes Action
C44EH The connection of the target connection number is not
set.
• Connection that does not perform communications
cannot be set. Start EtherNet/IP communications of the
target connection number, and then turn on 'Connection
information read request' (Y14).
• EtherNet/IP communication parameter of the
RJ71EIP91 is incorrect. Check the EtherNet/IP
communication settings of the module using EtherNet/
IP Configuration Tool.
• Check the EtherNet/IP communication settings of the
external device.
C44FH The target connection number is outside the range. Set the target connection number to a value from 1 to
256.
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