Omron PROFINET NX-PNC202, User Manual

Page: 229 / 282

12 - 5
12 Troubleshooting
NX-series PROFINET Coupler Unit User’s Manual (W623)
12-2 Checking for Errors and T
roubleshooting with the Indicators
12
12-2-1 Checking for Errors and
Troubleshooting with the Indicators on the PRO
FINET
Coupler Unit

Troubleshooting the Primary Errors That Are Displayed with the TS Indicators
The TS indicator shows the status of the PROFINET Coupler Unit and the communications status
between the PROFINET Coupler Unit and the NX Units.
TS
Cause Corrective action
Green Red
Lit --- Communication estab-
lished with all con-
nected NX Units
--- (This is the normal status.)
Flashes at
2.0-s inter-
vals.
--- Initializing --- (This status is normal. Wait until processing is com-
pleted)
Flashes at
0.5-s inter-
vals.
--- Unit configuration
information is not set.
The PROFINET Cou-
pler Unit is operating
according to the actual
Unit configuration.
Promptly check whether the configuration is the intended
configuration and then register the Unit configuration infor-
mation on the Sysmac Studio.
--- Lit Non-volatile Memory
Control Parameter
Error
If you turn OFF the power supply to the NX Unit or discon-
nect the Sysmac Studio communications while writing the
control parameters is in progress, write the control parame-
ters again.
Memory Corruption
Detected
Cycle the power supply to the IO Device Terminal. If this
error occurs again even after you cycle the power supply,
replace the PROFINET Coupler Unit.
Unit Configuration
Error, Too Many Units
Make sure that the number of NX Units that are connected
does not exceed the upper limit of the specifications.
Unit Configuration
Error, Unsupported
Configuration
Make sure that the total byte size of all IO data in the Prof-
inet IO Device Terminal does not exceed the upper size limit
of 512 bytes for input data or 512 bytes for output data.
Unit Configuration
Information Error
If you turn OFF the power supply to the PROFINET Coupler
Unit or disconnect communications with the Sysmac Studio
while a download of Unit configuration information is in
progress, clear all memory on the PROFINET Coupler Unit,
and then download the Unit configuration information again.
Unit Configuration Ver-
ification Error
There is an inconsistency between the Unit configuration
information in the PROFINET Coupler Unit and the Units
that are actually connected.
• Make sure that the Unit that is connected is registered.
• Make sure that the Unit that is registered is connected.
NX Unit Startup Error Cycle the power supply to the IO Device Terminal. If this
error occurs again even after you cycle the power supply,
replace the NX Unit.
Non-volatile Memory
Hardware Error
Replace the Communications Coupler Unit.
Bus Controller Error • Mount the NX Units and End Cover securely and secure
them with End Plates.
• Cycle the power supply to the Communication Coupler
Unit.
• If the error occurs again even after you make the above
correction, replace the Communication Coupler Unit.
Check the items described above. If this error occurs again even after you cycle the
power supply, replace the PROFINET Coupler Unit.