Event name NX Bus Communications Settings Read Error Event code 10500000 hex
Meaning There is an error in the NX Bus communications settings that are saved in non-volatile memory.
Source Depends on where the Sysmac
Studio is connected and the sys-
tem configuration.
Source details NX Unit Detection tim-
ing
At power ON or
restart
Error attrib-
utes
Level Minor fault Recovery When settings
are transferred
Log category System
Effects User program Continues. Operation I/O refreshing stops for the CPU Unit.
System-de-
fined varia-
bles
Variable Data type Name
None None None
Cause and
correction
Assumed cause Correction Prevention
A hardware failure occurred in
the non-volatile memory
.
T
ransfer the configuration infor-
mation to the Safety CPU Unit
again. Replace the CPU Unit if
the error occurs again.
None
Power was turned OFF while
saving data to the non-volatile
memory.
Do not turn OFF the power sup-
ply while transferring parameters
from the Sysmac Studio.
Attached in-
formation
None
Precautions/
Remarks
None
Event name Safety Application Data Read Error Event code 10510000 hex
Meaning There is an error in the safety application data that is saved in non-volatile memory.
Source Depends on where the Sysmac
Studio is connected and the sys-
tem configuration.
Source details NX Unit Detection tim-
ing
At power ON or
restart
Error attrib-
utes
Level Minor fault Recovery When settings
are transferred
Log category System
Effects User program Continues. Operation The safety program is not executed in the Safety
CPU Unit and it operates in PROGRAM mode.
System-de-
fined varia-
bles
Variable Data type Name
None None None
Cause and
correction
Assumed cause Correction Prevention
A hardware failure occurred in
the non-volatile memory
.
T
ransfer the safety application
data to the Safety CPU Unit
again.
None
Power was turned OFF while
saving data to the non-volatile
memory.
Do not turn OFF the power sup-
ply while transferring parameters
from the Sysmac Studio.
Attached in-
formation
None
Precautions/
Remarks
None
12 Troubleshooting
12 - 56
NX-series Safety Control Unit User's Manual (Z930)