Omron NX1P2 series User Manual page 236

6 Troubleshooting
Event code Event name
44440000 hex NX Bus
Function Pro-
cessing Error
85540000 hex NX Bus I/O
Communica-
tions Stopped
Due to
Another
Event
35920000 hex Registered
NX Unit Not
Mounted
85500000 hex NX Bus Com-
munications
Error
85510000 hex NX Unit
Communica-
tions Timeout
85520000 hex NX Unit Ini-
tialization
Error
85530000 hex NX Unit
Startup Error
103C0000 hex NX Unit
Backup
Failed
6 - 18
Meaning Assumed cause
A fatal error was • An error occurred in the soft-
detected in the NX ware.
Bus Function Mod-
ule.
The I/O communi- • I/O refreshing was stopped
cations on the NX based on the Fail-soft Opera-
bus were stopped tion Setting.
based on the Fail-
soft Operation Set-
ting because an
error that triggers
fail-soft operation
occurred.
There is no • There is no mounted NX Unit
mounted NX Unit that exists in the Unit configura-
that exists in the tion information registered in
Unit configuration the CPU Unit.
information regis-
• The power supply to the Addi-
tered in the CPU
tional NX Unit Power Supply
Unit.
Unit is not turned ON.
If there are more
than one NX Unit
relevant to this
event, only the NX
Unit that is nearest
to the CPU Unit is
registered with the
event.
A communications • The NX bus connector contact
error that prevents is faulty due to vibration or
normal NX bus shock.
communications
• Excessive noise is applied to
was detected.
the NX bus connector.
If there are more
• An NX Unit was removed.
than one NX Unit
• An error occurred in an NX
relevant to this
Unit.
event, only the NX
Unit that is nearest
to the CPU Unit is
registered with the
event.
An error occurred in • An NX Bus Communications
I/O data communi- Error has occurred.
cations with the NX
• An error occurred in an NX
Units.
Unit.
Initializing an NX • Initialization with the Unit con-
Unit failed. figuration information regis-
tered in the CPU Unit failed.
• An NX Bus Communications
Error has occurred.
• The Channel Enable/Disable
Setting for all channels of the
Analog Unit are set to Disable.
• Initialization of an NX Unit
failed.
Starting an NX Unit • A startup error occurred in an
failed. NX Unit.
The backup opera- • There is also another error
tion for an NX Unit related to the NX Bus Function
ended in an error. Module.
• An NX Bus Communications
Error has occurred.
• Backup data cannot be
received from an NX Unit.
Level
Maj Prt Min
S
S
S
S
S
S
S
NX-series NX1P2 CPU Unit Hardware User's Manual (W578)
Reference
Obs Info
page 6-54
page 6-55
page 6-55
page 6-56
page 6-56
page 6-57
page 6-57
S page 6-58