Omron NJ Series Troubleshooting Manual page 160

3 Error Tables
Event code Event name
65100000 hex Sensor Dis-
connected
Error
80200000 hex NX Unit I/O
Communica-
tions Error
80240000 hex NX Unit
Clock Not
Synchronized
Error
65110000 hex Process
Value Over
Range
65120000 hex Process
Value Under
Range
80220000 hex NX Message
Communica-
tions Error
3-98
Meaning Assumed cause
A disconnected • The temperature sensor is
temperature sen- damaged or the wires are bro-
sor was detected. ken.
• An unused channel is not dis-
abled.
An I/O communica- • The NX Unit is not mounted
tions error occurred properly.
between the Com-
• The power cable for the Unit
munications Cou-
power supply is disconnected.
pler Unit and the
Or, the wiring from the Unit
NX Unit.
power supply to the NX Units is
incorrect.
• The power cable for the Unit
power supply is broken.
• The voltage of the Unit power
supply is outside the specified
range. Or, the capacity of the
Unit power supply is insuffi-
cient.
• There is a hardware error in the
NX Unit.
An error occurred in • There is a hardware error in the
NX Unit.
the clock informa-
• There is a hardware error in the
tion
EtherCAT Coupler Unit.
between the
EtherCAT Coupler
Unit and the NX
Unit.
The process tem- • The sensor is disconnected.
perature exceeded
• The sensor or the compensat-
the upper limit of
ing cables are not wired cor-
temperature con-
rectly.
version range.
• The sensor and the input type
setting do not agree.
• The range of the input type is
too narrow for the temperatures
that need to be measured.
• An unused channel is not dis-
abled.
The process tem- • The sensor or the compensat-
perature went ing cables are not wired cor-
below the lower rectly.
limit of temperature
• The sensor and the input type
conversion range.
setting do not agree.
• The range of the input type is
too narrow for the temperatures
that need to be measured.
An error was • The message communications
detected in mes- load is high.
sage communica-
• The communications cable is
tions and the
disconnected or broken.
message frame
This cause does not apply if
was discarded.
attached information 2 is 0 (NX
bus).
• Message communications were
cut off as the result of executing
a synchronization or restora-
tion operation on the Sysmac
Studio or as the result of dis-
connecting an EtherCAT slave.
Level
Maj Prt Min Obs Info
S U NX-series
Analog I/O
Units User's
Manual
(W522)
S Same as
above.
S Same as
above.
U S Same as
above.
U S Same as
above.
S Same as
above.
NJ-series Troubleshooting Manual (W503)
Reference