Omron CJ1W-DRM21 Operation Manual page 250

9 Troubleshooting and Maintenance
Indicators
MS NS 7-seg-
ment
- Red (lit) F0
- Red (lit) F1
Red OFF H1
(flashing)
Red OFF H2
(flashing)
Red (lit) OFF H3
Red OFF H4
(flashing)
Red OFF H5
(flashing)
Red OFF H6
(flashing)
Red OFF H7
(flashing)
*1 The 7-segment indicator will alternate between the Unit's node address and the code given in the tables in this section.
9-20
Error Error
category
*1
Network Node
address
duplication
Bus Off
detected
CPU Unit Unit num-
exchange ber dupli-
cation
CPU Unit
faulty (H2)
DeviceNet
Unit faulty
Node
address
setting
error
Communi-
cations
speed set-
ting error
CPU Unit
faulty (H6)
I/O table
not regis-
tered
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
Likely cause
The master's node
address is duplicated on
another node.
A Bus Off condition was
detected.
The unit number is dupli-
cated on another Unit.
-
-
The node address set on
the rotary switches is out-
of-range (64 or higher.)
The communications
speed is set incorrectly.
-
The CPU Unit's I/O table is
not registered.
DeviceNet Unit
response
• The Unit will go offline
and communications will
be disabled. Error
responses will be
returned to all communi-
cations requests.
• The exchange of data
with the CPU Unit will
continue.
• The Unit will go offline
and communications will
be disabled. Error
responses will be
returned to all communi-
cations requests.
• The exchange of data
with the CPU Unit will
continue.
Stops operation.
Stops operation.
Stops operation.
Stops operation.
Stops operation.
• Records the error in the
error log. (The time infor-
mation is set to all
zeroes.)
• Stops operation.
• Records the error in the
error log.
• Stops operation.
Error
log
(Hex)
0211
0340
-
-
-
-
-
000F
0006