Omron NJ Series Troubleshooting Manual page 205

Event code Event name
74620000 hex Scan List
Regis-
ter/Clear
Failed
74630000 hex Slave Func-
tion
Enable/Dis-
able Failed
74640000 hex Slave Fixed
Allocation
Area Setting
Failed
NJ-series Troubleshooting Manual (W503)
Meaning Assumed cause
An operating error • CPU Unit is not in PROGRAM
occurred when reg- mode.
istering or clearing
• Request processing is not pos-
the scan list by per-
sible in this status or the
forming one of the
request was made when the
following opera-
operation was already in prog-
tions.
ress. The following are the main
causes of Unit status errors.
• A software switch operation
for the master function was
executed when the master
function was disabled.
• A switch that can be used
only when the scan list is dis-
abled was used when the
scan list was enabled.
• A switch that can be used
only when the scan list is
enables was used when the
scan list was disabled.
• A software switch operation
for the slave function was
executed when the slave
function was disabled.
• A configuration error has
occurred.
• There is an error in the parame-
ters specified in the user set-
tings, and the requested setting
could not be made.
• 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.
An error occurred in • An attempt was made to enable
one of the following the slave function when it was
operations in the already enabled.
slave function.
• An attempt was made to dis-
able the slave 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.
An error occurred in • The slave function is not dis-
one of the following abled.
operations for fixed
• CPU Unit is not in PROGRAM
allocation of the
mode.
slave.
• 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.
3 Error Tables
Level
Maj Prt Min Obs Info
S CJ-series
DeviceNet
Units Opera-
tion Manual for
NJ-series
CPU Unit (Cat.
No. W497)
S Same as
above.
S Same as
above.
Reference
3
3-143