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Errors that May Occur in Remote I/O Communications Section 4-7
Note Remote I/O communications will stop (7-segment display: A0) if DIP switch
pin 3 on the front panel is turned ON to specify stopping remote I/O communi-
cations for I/O communications errors.
Fixed or
user-set
allocations
I/O communications error A timeout occurred during remote
I/O communications. (The Slave
response timed out 6 times in a
row or an error occurred 3 times in
a row.)
Reconnect with
the error Slave
and continue
remote I/O com-
munications.
*1
MS: Not
related
NS:
Flashes
red
d9
Network power error The network is not supplying com-
munications power.
MS: Not
related
NS: Goes
out
E0
Send timeout A communications request was
not successfully completed due to
the following reasons:
• There are no devices on the net-
work.
• Baud settings do not match for
every node.
• CAN controller error
E2
Duplicated node address The master node address is the
same address as another node.
All communica-
tions stop (remote
I/O communica-
tions stop, slave
operation stops,
and message
communications
are disabled).
MS: Not
related
NS:
Flashes
red
F0
Bus OFF detected Bus OFF error was detected. F1
Master scan list logic error The master scan list data is incor-
rect.
Remote I/O com-
munications stop
(Slave operation
stops, but mes-
sage communica-
tions are
enabled).
MS:
Flashes
red
NS: Not
related
E8
Condition Error Details Results Indicators 7-
segment
display