Mitsubishi Electric MELSEC Q Series Reference Manual page 505

Set the CPU modules of own station and other
station to STOP.
Change B/W value by device test of Programming
tool. Monitor the LB/LW (J
monitor of Programming tool.
Checking
own station
(sending side)
Check the sequence program.
(See if data write destination is correct.)
Monitor the LB/LW (J
of Programming tool.
Checking
Monitor the B/W by device batch monitor of
other station
Programming tool.
(receiving side)
Check the sequence program
(for overwriting of data).
1)
ON
Is the CPU module
of own or another station
set to RUN?
RUN
\ ) by device batch
Is LB/LW value changed?
Yes
\ ) by device batch monitor
Is LB/LW value changed?
Yes
Is B/W value changed?
Yes
End
CHAPTER 10 TROUBLESHOOTING
STOP/
RESET
Set the CPU module to RUN.
Check each station send range with
"Network range assignment" of control station.
Page 183, Section 6.3
Check the refresh parameter. (See if assignment
No
is not wrong or CPU-side device is not duplicated.)
Page 204, Section 6.5
For relay station, check to see if link refresh range
and transfer target link device range (interlink
transmission parameter) are not duplicated.
Page 232, Section 6.8
Check each station send range with "Network
No
range assignment" of control station.
Page 183, Section 6.3
Check the refresh parameter. (See if assignment
No
is not wrong or CPU-side device is not duplicated.)
Page 204, Section 6.5
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