Omron CJ1W-DRM21 Operation Manual page 236

9 Troubleshooting and Maintenance
Indicators
MS NS 7-seg-
ment
- - C5
- - C6
- Red d0
(flashing)
- Red d1
(flashing)
*1 The 7-segment indicator will alternate between the Unit's node address and the code given in the tables in this section.
*2 When a (master function) structure error or verification error occurs, only the most recent error is displayed for each slave.
If the Unit is set to stop the remote I/O communications for a communications error, two errors can be displayed: The
slave's communications error and its most recent error.
9-6
Error Error
category
*1
Software Incorrect
settings setting
errors
Multiple
switches
ON
Master Structure
function *2
error
(I/O area
duplica-
tion)
Structure
*2
error
(I/O area
range
exceeded)
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
Likely cause
There was an error in the
parameters specified in
the user settings and the
requested settings could
not be made.
Two or more software
switches were changed to
TRUE simultaneously or a
second software switch
was changed to TRUE
before a prior operation
was completed.
The slave's I/O areas over-
lap. (Occurred with the
scan list disabled.)
Note Errors will occur in
the slaves that join
afterwards.
The slave's I/O area isn't
within the allowed range.
(Occurs with the scan list
disabled.)
DeviceNet Unit
response
• The only response is the
error code displayed on
the 7-segment indicator.
• The error display will be
cleared the next time
that a software switch
operation is completed
normally.
The master will periodi-
cally attempt to reconnect
with the slave with the
structure error.
Error
log
(Hex)
-
-
0343
0343