Replacing The Remote Head Module - Mitsubishi Electric MELSEC iQ-R Series User Manual

4.5

Replacing the Remote Head Module

This section describes the procedure for replacing the remote head module.
For a system configuration other than a redundant system
The remote head module can be replaced without stopping the data link in the entire network.
Even if the remote head module connected does not have a station number, it can be set from the CC-Link IE Field Network
diagnostics of the master station.
1.
Read parameters written in the remote head module to a project of the engineering tool.
[Online]  [Read from PLC]
2.
Connect the engineering tool to the master station, and stop the data link of the remote head module from the CC-Link IE
Field Network diagnostics.
 User's manual for the master/local module used
3.
From the CC-Link IE Field Network diagnostics, set the remote head module as a temporary error invalid station.
 User's manual for the master/local module used
4.
Power off the programmable controller on the remote head module side, and remove the Ethernet cable from the remote
head module.
 MELSEC iQ-R CC-Link IE Field Network Remote Head Module User's Manual (Startup)
5.
Replace the remote head module.
 MELSEC iQ-R Module Configuration Manual
6.
Connect the Ethernet cable to the remote head module, and power on the programmable controller.
 MELSEC iQ-R CC-Link IE Field Network Remote Head Module User's Manual (Startup)
7.
Set the station number of the remote head module to that of the remote head module before the replacement by using
the CC-Link IE Field Network diagnostics from the master station. ( Page 96 Station number setting of the remote
head module)
8.
Change the connection destination of the engineering tool to the remote head module, and write the parameters read in
the step 1 to the replaced remote head module.
The written parameters are reflected when the system is powered off and on, or when the remote head module is reset.
[Online]  [Write to PLC]
9.
Set the switch of the remote head module to the RUN position.
10.
Cancel the temporary error invalid station setting on the master station, and start the link.
 User's manual for the master/local module used
11.
Check if communication is normal by using the CC-Link IE Field Network diagnostics. ( Page 95 Checking the
Network Status)
4 TROUBLESHOOTING
4.5 Replacing the Remote Head Module
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