Checking For Errors And Troubleshooting With The Indicators; On The Profinet Coupler Unit - Omron PROFINET NX-PNC202 User Manual

12-2 Checking for Errors and Trouble-
shooting with the Indicators
You can check for errors in the Profinet IO Device Terminal with the indicators on the PROFINET Cou-
pler Unit and the NX Units. This section tells you about the errors that the indicators show and the trou-
bleshooting procedures for them.

12-2-1 Checking for Errors and Troubleshooting with the Indicators

on the PROFINET Coupler Unit

Indicators
Name
L/A P1 The L/A P1 indicator shows the status of the port 1 PROFINET communications.
L/A P2 The L/A P2 indicator shows the status of the port 2 PROFINET communications.
RUN/ERR The RUN/ERR indicator shows the PROFINET Coupler Unit operating status.
COMM/BF The COMM/BF indicator shows the operating status of the PROFINET IO Network communica-
tions.
TS The TS indicator gives the status of the PROFINET Coupler Unit and the communications status
between the PROFINET Coupler Unit and the NX Units.
UNIT PWR The UNIT PWR indicator shows the status of the Unit power supply.
IO PWR The IO PWR indicator shows the status of the IO power supply.
Primary Errors That the Indicators Show and Troubleshooting Pro-
cedures
 Troubleshooting the Primary Errors That are Displayed with the RUN/ERR
and COMM/BF Indicators
The RUN/ERR indicator shows the PROFINET Coupler Unit operating status.
The COMM/BF indicator shows the operating status of the PROFINET IO Network communications.
NX-series PROFINET Coupler Unit User's Manual (W623)
12 Troubleshooting
Function
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