Omron NJ Series Troubleshooting Manual page 159

Event code Event name
64FD 0000 hex Unit Under
Range for
Channel 6
64FE0000 hex Unit Under
Range for
Channel 7
64FF 0000 hex Unit Under
Range for
Channel 8
90400000 hex Event Log
Cleared
 Temperature Input Units
Event code Event name
00200000 hex Non-volatile
Memory
Hardware
Error
05100000 hex A/D Con-
verter Error
05110000 hex Cold Junction
Sensor Error
10410000 hex Control
Parameter
Error in Mas-
ter
NJ-series Troubleshooting Manual (W503)
Meaning Assumed cause
The analog input • The analog input data went
data for input chan- below the lower limit of the input
nel 6 went below range. Or, the analog output
the lower limit of the data went below the lower limit
input range. Or, the of the output range.
analog output data
for output channel 6
went below the
lower limit of the
output range.
The analog input • The analog input data went
data for input chan- below the lower limit of the input
nel 7 went below range. Or, the analog output
the lower limit of the data went below the lower limit
input range. Or, the of the output range.
analog output data
for output channel 7
went below the
lower limit of the
output range.
The analog input • The analog input data went
data for input chan- below the lower limit of the input
nel 8 went below range. Or, the analog output
the lower limit of the data went below the lower limit
input range. Or, the of the output range.
analog output data
for output channel 8
went below the
lower limit of the
output range.
The event log was • The event log was cleared by
cleared. the user.
Meaning Assumed cause
An error occurred in • Non-volatile memory failure.
non-volatile mem-
ory.
An error occurred in • Noise
the A/D converter
• A/D converter failure
The temperature • There is a faulty connection to
cannot be con- the cold junction sensor.
verted because the
• The cold junction sensor failed.
cold junction sensor
is disconnected.
An error occurred in • There is an error in the area of
the control parame- the non-volatile memory in the
ters that are saved Communications Coupler Unit
in the master. in which the control parameters
for the NX Unit are saved.
• The power supply to the NX
Unit was turned OFF or Sys-
mac Studio communications
were disconnected while writing
the control parameters.
3 Error Tables
Level
Maj Prt Min Obs Info
U S NX-series
Analog I/O
Units User's
Manual
(W522)
U S Same as
above.
U S Same as
above.
S Same as
above.
Level
Maj Prt Min Obs Info
S NX-series
Analog I/O
Units User's
Manual
(W522)
S Same as
above.
S U Same as
above.
S Same as
above.
Reference
3
Reference
3-97