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8 Troubleshooting

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NX-series Analog I/O Units User’s Manual for Analog Input Units and Analog Output Units (W522)

Event name Unit Over Range for Channel 1 Event code 64F00000 hex

Meaning The analog input data for input channel 1 exceeded the upper limit of the input range. Or, the analog output

data for output channel 1 exceeded the upper 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 range is exceeded, the converted value

will be the upper limit of the input range. If the output

range is exceeded, the analog output will be the

upper 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 exceeded

the upper limit of the input range.

Or, the analog output data

exceeded the upper limit of the

output range.

Find the reason for exceeding the

upper limit of the input or output

range and make suitable correc-

tions.

Find the reasons for exceeding

the upper 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 Over Range for Channel 2 Event code 64F10000 hex

Meaning The analog input data for input channel 2 exceeded the upper limit of the input range. Or, the analog output

data for output channel 2 exceeded the upper limit of the output range.