Omron NX-SIH400, Руководство пользователя

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Event code Event name Meaning Assumed cause
Level
Reference
M
a
j
P
rt
M
i
n
O
b
s
I
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f
o
80200000 hex NX Unit I/O
Communica-
tions Error An I/O communica-
tions error occurred
with the NX unit. NX Bus of the CPU Unit
•
An error occurred in the CPU
unit, which prevents the NX
bus communications from be-
ing carried out normally.
•
The NX Unit is not mounted
properly.
•
The power cable for the Unit
power supply is disconnected.
Or, the wiring from the Unit
power supply to the NX Units
is incorrect.
•
The power cable for the Unit
power supply is broken.
•
The unit power voltage is out
of the supported range, or the
unit power capacity is not suffi-
cient.
•
There is a hardware error in
the NX Unit.
Communications Coupler Unit
•
An error occurred in the com-
munications coupler unit,
which prevents the NX bus
communications from being
carried out normally.
•
The NX Unit is not mounted
properly.
•
The power cable for the Unit
power supply is disconnected.
Or, the wiring from the Unit
power supply to the NX Units
is incorrect.
•
The power cable for the Unit
power supply is broken.
•
The unit power voltage is out
of the supported range, or the
unit power capacity is not suffi-
cient.
•
There is a hardware error in
the NX Unit.
¡ page
12 - 35
12 Troubleshooting
12 - 19
NX-series Safety Control Unit User's Manual (Z930)
12-3 Checking for Errors with the Sysmac Studio
12
12-3-3 Event Codes for Errors and T
roubleshooting Procedures