Mitsubishi Electronics A1SJ71AR23Q ユーザーズマニュアル

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8
TROUBLESHOOTING
8.1 Troubleshooting Flowchart
8.1.3 When "Error is found in data transmission"
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CONF
IGURA
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 BEF
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INK DA
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 SEN
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 P
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 P
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T
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Figure 8.7 When "Error is found in data transmission" (Continued)
Monitor link input (X) of master station 
that is corresponding to link output (Y) 
of local station.
NO (Link output (Y))
YES (Local station)
YES (Link input (X))
NO (Remote I/O station)
Is data link disabled 
for link input (X) 
of master station?
Is it local station?
NO
Does link input (X) of
master station turn ON/OFF
on monitor?
YES
YES
NO
Set master and local stations to STOP 
status. (Q series local station must be 
in RUN status. (Y10=ON))
Forcibly turn ON/OFF link output (Y) 
of local station.
Monitor link input (X) of local station 
that is corresponding to link output (Y) 
of master station.
Does link input (X) of
local station turn ON/OFF
on monitor?
Forcibly turn ON/OFF link output (Y) 
of master station.
Check link parameter assignments.
Sequence program error. 
Modify sequence program.
Data link disabled in 
input (X) and output (Y).