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9 Troubleshooting and Maintenance
9-38
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
34C2 0000 hex
Slave I/O
Refresh Error
The I/O memory in
the destination
CPU Unit for I/O
refreshing could not
be found when
refreshing the slave
function data in the
CPU Unit.
•
I/O words are allocated in an
EM bank that does not exist.
S
34C3 0000 hex
Slave User
Allocation
Area Setting
Failed
An error occurred in
the following opera-
tion for user alloca-
tion of the slave.
•
The slave function is not dis-
abled.
•
There is a mistake in the user
allocations to a slave.
•
CPU Unit is not in PROGRAM
mode.
•
More than one software switch
changed to TRUE at the same
time. Or, another software
switch changed to TRUE before
processing was completed for a
previous software switch.
S
64AC 0000 hex
Send Time-
out Error
A send timeout
occurred.
•
There is no slave or other
device on the network.
•
The same baud rate is not set
for all nodes.
•
Communications cable lengths
(trunk line and branch lines) are
unsuitable.
•
A communications cable is dis-
connected or loose.
•
The terminating resistance is
somewhere other than the ends
of the trunk line.
•
Noise
•
There is an error in the CAN
controller.
S
7460 0000 hex
Master Func-
tion
Enable/Dis-
able Failed
An operating error
occurred when
enabling or dis-
abling the master
function.
•
An attempt was made to enable
the master function when it was
already enabled.
•
An attempt was made to dis-
able the master function when it
was already disabled.
•
CPU Unit is not in PROGRAM
mode.
•
More than one software switch
changed to TRUE at the same
time. Or, another software
switch changed to TRUE before
processing was completed for a
previous software switch.
S
7461 0000 hex
Master Fixed
Allocation
Area Setting
Failed
An error occurred in
one of the following
operations for fixed
allocation of the
master.
•
The master function is not
enabled.
•
The scan list is not disabled.
•
CPU Unit is not in PROGRAM
mode.
•
More than one software switch
changed to TRUE at the same
time. Or, another software
switch changed to TRUE before
processing was completed for a
previous software switch.
S
Event code
Event name
Meaning
Assumed cause
Level
Reference
Maj
Prt
Min
Obs
Info
Summary of Contents for CJ1W-DRM21
Page 12: ...Manual Structure 10 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 42: ...Revision History 40 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 345: ...Index 1 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 I Index ...
Page 349: ......