Omron NX-AD series - Analog Output Units

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8 Troubleshooting
NX-series Analog I/O Units User’s Manual for Analog Input Units and Analog Output Units (W522)
8-5 Troubles Specific to Each Type of NX Units
8
8-5-3 Analog Output Units
8-5-3 Analog Output Units
Problem Assumed cause Correction
The expected output is not
held when NX bus error or
communications errors
occur.
The output settings at load
rejection are incorrect.
Set the output value at load rejection.
The user calibration is not
accepted.
Attempted to make calibration
with values outside the cor-
rection range.
Set the voltage/current within the correction range
and make the calibration again.
If the final output values cannot be calibrated within
the correctable range, change the connecting
method to the output device.
The output is not per-
formed.
The Unit is not wired correctly
with the connected external
device.
Check the wiring with the connected external
device.
The wiring to the connected
external device is discon-
nected.
Check the wiring with the connected external
device.
A connected external device
is defective.
Replace the connected external device.