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8 Troubleshooting
NX-series Analog I/O Units User’s Manual for Analog Input Units and Analog Output Units (W522)
8-3 Ch
eckin
g
fo
r Er
ro
rs and
T
rou
blesh
oot
ing
on
the
Supp
ort So
ftwar
e
8
8-3
-4 Meaning of Er
ror
Event name
Unit Under Range for Channel 3
Event code
64FA0000 hex
Meaning
The analog input data for input channel 3 went below the lower limit of the input range. Or, the analog output
data for output channel 3 went below the lower limit of the output range.
Source
Depends on where the Support
Software is connected and the
system configuration.
Source details
NX Unit
Detection
timing
Continuously
Error
attributes
Level
Observation
Log category
System
Recovery
Reset error in the NX Unit.
Effects
User program
Continues.
Operation
If the input data goes below the input range, the con-
verted value will be the lower limit of the input range.
If the output data goes below the output range, the
analog output will be the lower limit of the output
range.
Sys-
tem-defined
variables
Variable
Data type
Name
None
---
---
Cause and
correction
Assumed cause
Correction
Prevention
The analog input data went below
the lower limit of the input range.
Or, the analog output data went
below the lower limit of the output
range.
Find the reason for going below
the lower limit of the input or out-
put range and make suitable cor-
rections.
Find the reasons for going below
the lower limit of the input or out-
put range and take suitable pre-
ventive measures.
Attached
information
None
Precautions/
Remarks
You can change the event level to the minor fault level. If you change the level to the minor fault level, the
Recovery column above will be changed to “Reset error in the NX Unit.”
Event name
Unit Under Range for Channel 4
Event code
64FB0000 hex
Meaning
The analog input data for input channel 4 went below the lower limit of the input range. Or, the analog output
data for output channel 4 went below the lower limit of the output range.
Source
Depends on where the Support
Software is connected and the
system configuration.
Source details
NX Unit
Detection
timing
Continuously
Error
attributes
Level
Observation
Log category
System
Recovery
Reset error in the NX Unit.
Effects
User program
Continues.
Operation
If the input data goes below the input range, the con-
verted value will be the lower limit of the input range.
If the output data goes below the output range, the
analog output will be the lower limit of the output
range.
Sys-
tem-defined
variables
Variable
Data type
Name
None
---
---
Cause and
correction
Assumed cause
Correction
Prevention
The analog input data went below
the lower limit of the input range.
Or, the analog output data went
below the lower limit of the output
range.
Find the reason for going below
the lower limit of the input or out-
put range and make suitable cor-
rections.
Find the reasons for going below
the lower limit of the input or out-
put range and take suitable pre-
ventive measures.
Attached
information
None
Precautions/
Remarks
You can change the event level to the minor fault level. If you change the level to the minor fault level, the
Recovery column above will be changed to “Reset error in the NX Unit.”
Summary of Contents for NX-AD series
Page 289: ......
