Omron CJ1W-DRM21 Operation Manual page 174

4 Remote I/O Master Communications
Condition Error
Fixed or I/O communications error
user-set
allocations
Network power error
Send timeout
Duplicated node address
Bus OFF detected
Master scan list logic error
* 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.
4-34
Details
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.)
The network is not supplying com-
munications power.
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
The master node address is the
same address as another node.
Bus OFF error was detected.
The master scan list data is incor-
rect.
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
Results Indicators
Reconnect with MS: Not
the error Slave related
and continue
NS:
remote I/O com-
Flashes
munications.*
red
MS: Not
related
NS: Goes
out
All communica- MS: Not
tions stop related
(remote I/O com-
NS:
munications stop,
Flashes
slave operation
red
stops, and mes-
sage communica-
tions are
disabled).
Remote I/O com- MS:
munications stop Flashes
(Slave operation red
stops, but mes-
NS: Not
sage communica-
related
tions are
enabled).
7-seg-
ment
indica-
tor
d9
E0
E2
F0
F1
E8