Mitsubishi Electric MELSEC iQ-R Series User Manual page 119

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)
C44EH
C44FH
Error details and causes
The connection of the target connection number is not
set.
The target connection number is outside the range.
Action
• 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.
Set the target connection number to a value from 1 to
256.
5 TROUBLESHOOTING
5.3 Checking the Network Status
5
117