Mitsubishi Electric MELSEC Q Series User Manual page 45

● If remote station numbers are duplicated, the duplicating stations may cause malfunction (incorrect input/ output).
● A remote station may occupy multiple station numbers depending on the point mode setting and the number of I/O points
● When changing the setting of the operation setting switch of the master station or a remote station while the system is on,
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Check operation with LEDs (QJ61CL12)
When the data link is normal: The L RUN LED is on.
When the data link is faulty : The L ERR. LED is on
When the setting is incorrect: The ERR. LED is on.
Check connection of each module with:
Information of remote station's connection
CC-Link/LT diagnosis (Operation check)
Write control programs to CPU module.
Reset or power off and on the CPU module.
Check that the remote station numbers are not duplicated before powering on the system.
of the remote station.
When using a remote station having the number of I/O points of eight or more, check that the station number of the
remote station is not duplicated with that of the next station.
power off and on the system.
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or flashing.
System operation
End
CHAPTER 4 PROCEDURE BEFORE OPERATION
Page 31, Section 3.3.2 (1)
Page 74, Section 6.6
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