4 Remote I/O Master Communications
4-34
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
* Remote I/O communications will stop (7-segment indicator: A0) if DIP switch pin 3 on the front panel is turned
ON to specify stopping remote I/O communications 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.*
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
network.
• 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 com-
munications stop,
slave operation
stops, and mes-
sage communica-
tions 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-seg-
ment
indica-
tor
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