Procedure For Replacing The Head Module - Mitsubishi Electric MELSEC L Series User Manual

4.2
The head module can be replaced without stopping the data link in the system.
Even if the head module does not have a station number, it can be set from the CC-Link IE Field Network diagnostics
of the master station.
(1) Procedure
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Procedure for Replacing the Head Module

Link stop and temporary error invalid station setting
Stop the link at the master station, and set the intelligent device station
to be replaced as a temporary error invalid station.
Cable disconnection
Turn off the power, and disconnect the Ethernet cables from the head
module.
Head module replacement
Replace the head module.
Cable connection
Connect Ethernet cables to the head module, and power it on.
Station No. setting
Set a unique station No. for the head module so that duplication will not be
detected in CC-Link IE field network diagnostics from the master station.
Parameter setting
Change the connection destination of GX Works to the head module,
and set the network No., station No. and the parameter of each module.
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CHAPTER 4 PROCEDURES BEFORE OPERATION
User's manual for the
master/local module used
Page 47, Section 6.5
Page 43, Section 6.2.3
Page 47, Section 6.5
Page 33, Section 4.2 (3)
Page 51, CHAPTER 7,
Page 65, CHAPTER 8
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