NX Bus Function Module Error Table
l Errors Related to the NX Bus
Event code
Event name
04100000 hex
NX Bus
Controller
Error
04110000 hex
NX Bus
Hardware
Error
10600000 hex
NX Bus
Memory
Check Error
10610000 hex
Failed to
Read NX
Unit Opera-
tion Settings
24D00000 hex
Number of
Mountable
NX Units Ex-
ceeded
24D20000 hex
Total I/O Da-
ta Size in NX
Units Exces-
sive
35900000 hex
NX Unit Ver-
sion Not
Matched
NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)
Meaning
•
An error occurred in
An I/O communications error
the NX bus.
occurred between the CPU
Unit and the NX Unit.
•
A hardware error was
A hardware error related to the
detected in the NX
NX bus was detected.
Bus Function Module.
•
An error was detect-
An error was detected in the
ed in the internal
memory check for the internal
memory check for the
protection circuit.
NX Bus Function
Module.
•
Reading the NX Unit
The NX Unit operation settings
operation settings
are not saved normally in the
failed.
CPU Unit.
Cycle the power sup-
ply to the CPU Unit to
restore the previous
normally-saved set-
tings.
The number of
More than the maximum number
mounted NX Units
of NX Units are mounted on the
exceeds the specified
CPU Unit.
value for the CPU
Unit.
•
The total size of I/O
The total size of I/O data in the
data in the mounted
mounted NX Units exceeds the
NX Units exceeds the
maximum specified value for
maximum specified
the CPU Unit.
value for the CPU
Unit.
There is a mounted
The unit version of an NX Unit
NX Unit with a unit
mounted in the actual configura-
version earlier than
tion is earlier than that in the Unit
that in the Unit config-
configuration information regis-
uration information
tered in the CPU Unit.
registered in the CPU
Unit.
M
Assumed cause
a
j
15 Troubleshooting
Level
I
M
O
Reference
P
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b
rt
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s
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15-119
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15-120
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15-123
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15-124
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15-63
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