Assumed Causes And Corrections For Other Errors - Omron NX Series User Manual

10 Troubleshooting for IO-Link Systems
Indicators
RUN ERR
S D Process Data WDT Error
The timing of flashing and flickering of the indicators is shown below.
Flickering
Blinking
Single flash
Double flash
10-1-8

Assumed Causes and Corrections for Other Errors

Problem
Although a connected external device
is ON, nothing is input and the input
indicator is not lit either.
10-20
Error name
Process data communications
were stopped for more than
the specified period of time.
50 ms
on
off
on
200 ms 200 ms
off
on
1000 ms
200 ms
off
on
200 ms 200 ms 200 ms
off
Assumed cause
The I/O power is not
supplied.
The I/O power sup-
ply voltage is out-
side the rated
range.
The Unit is not wired
correctly with the
connected external
device.
The wiring to the
connected external
device is discon-
nected.
A connected exter-
nal device is defec-
tive.
Description
You can clear the error by resetting
EtherCAT errors.
•
Check the EtherCAT Master Unit
status and the communications
cable, and eliminate the cause
of the error.
•
Check the operation of the mas-
ter and take appropriate meas-
ures if there is a problem.
200 ms
1000 ms
Check that the I/O power is supplied.
Set the I/O power supply voltage within the rated
range.
Check the wiring with the connected external de-
vice.
Check the wiring with the connected external de-
vice.
Replace the connected external device.
NX/GX-series IO-Link System User's Manual (W570)
Correction
Correction