Omron NJ Series Troubleshooting Manual page 164

3 Error Tables
NX-series Safety Control Units
The following table lists the events that can occur for NX-series Safety Control Units with the following
model numbers.
NX-SL@@@@
NX-SI@@@@
NX-SO@@@@
 Safety CPU Units
Event code Event name
05200000 hex System Error
10500000 hex NX Bus Com-
munications
Settings
Read Error
10510000 hex Safety Appli-
cation Data
Read Error
10520000 hex NX Bus Com-
munications
Settings and
Safety Appli-
cation Data
Mismatch
10530000 hex Non-volatile
Memory
Access Error
35200000 hex Safety Pro-
cess Data
Communica-
tions Not
Established
Error
55000000 hex Division by
Zero
55010000 hex Cast Error
55020000 hex MUX Error
74A00000 hex SF_Antivalen
t Error
3-102
Meaning Assumed cause
A hardware error • Hardware has failed.
was detected dur-
• A memory error occurred due
ing self-diagnosis of
to a transient cause, such as a
the hardware.
software error or excessive
noise.
There is an error in • A hardware failure occurred in
the NX bus commu- the non-volatile memory.
nications settings
• Power was turned OFF while
that are saved in
saving data to the non-volatile
non-volatile mem-
memory.
ory.
There is an error in • A hardware failure occurred in
the safety applica- the non-volatile memory.
tion data that is
• Power was turned OFF while
saved in non-vola-
saving data to the non-volatile
tile memory.
memory.
There is an error in • The NX bus communications
the safety applica- settings that were transferred to
tion data that is the Safety CPU Unit do not
saved in non-vola- match the safety application
tile memory. data.
Reading/writing Non-volatile memory failed.
non-volatile mem-
ory failed.
Safety process data • The communications settings
communications for safety process data are not
was not estab- correct, the safety slave is not
lished with one or in the correct status, etc.
more safety slaves.
• The safety slave for safety pro-
cess data communications is
not connected.
• The safety slave for safety pro-
cess data communications is
disabled.
Division by zero The divisor is zero.
was detected.
A casting error was A value was input that exceeded
detected. the range of the receiving vari-
able.
An MUX instruction The value of the selection input
error was detected. (K) to the MUX instruction is not
correct.
An error was Refer to information on the diag-
detected in execu- nostic code that is given for
tion of a safety attached information 1 in the NX-
function block. series Safety Control Unit Instruc-
tions Reference Manual (Cat. No.
Z931)
Level
Maj Prt Min Obs Info
S NX-series
Safety Control
Unit User's
Manual (Z930)
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
NJ-series Troubleshooting Manual (W503)
Reference