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8.1 Troubleshooting Flowchart
8.1.3 When "Error is found in data transmission"
8
TROUBLESHOOTING
Figure 8.8 When "Error is found in data transmission" (Continued)
Does link relay (B)
of receiving station turn ON
on monitor, or are data written
to link register (W)?
YES
NO
Are link parameter
assignments incorrect?
YES
NO
Unable to communicate
with all stations?
YES
NO
Sequence program error.
Modify sequence program.
Set master and local stations to STOP
status. (Q series local station must be
in RUN status. (Y10=ON))
Monitor sequence program of receiving
station.
Forcibly turn ON link relay (B) of
sending station in test mode. Or, write
data to link register (W).
Change link parameter settings, or
device numbers in sequence program.
Data link disabled in link relay (B)
and link register (W).
Section 8.1.1 When "Data link is
disabled in the entire system"
Section 8.1.2 When "Data link is
disabled at a specific station"