Omron PROFINET IO CJ1W-PRM21 Operation Manual page 132

Troubleshooting using the IO Controller indicators
Indicator status
MS NS 100M
OFF OFF OFF
ON OFF OFF
(green)
ON Flashing OFF
(green) (green)
ON Flashing OFF
(green) (green)
ON Flashing ON
(green) (green) (yellow)
ON ON ON
(green) (green) (yellow)
8-2-3 Troubleshooting Errors Occurring in the IO Controller Unit
116
/i
Network/Unit status
7-segment
- - Booting and initializing with the
PLC
r Valid configuration detected
dot flashing
r PROFINET IO core software
dot flashing started
r Relations to PROFINET IO
dot ON Devices are set up
r Data Exchange with at least one
dot ON IO Device
r Data Exchange with at all
dot ON configured IO Devices
The COMM indicator turns ON during any communication at the Ethernet port.
It functions independently from the operation mode of the Unit.
On smaller PROFINET IO Networks the sequence from starting the
PROFINET IO core software to being in full Data Exchange with all the IO
Devices can be very fast that the individual steps can not be distinguished.
Unit errors are errors which occur at starting or normal operation of the system
and which prevent the Unit from functioning correctly in the PLC system.
Usually these errors also cause the CS/CJ PLC CPU ERR/ALM indicator to be
lit or flashing. For more information on error indications in the PLC, refer to the
CS1 Series CPU Unit Operation Manual (W339) or the CJ Series CPU Unit
Operation Manual (W393) for more details.
Comments
Bootup and initialization with the PLC in
progress.
Restart the PROFINET IO Controller unit if
this status continues for an extended period
of time. Replace the CPU Unit and/or
PROFINET IO Controller Unit if the problem
is not corrected
by restarting.
The PROFINET IO Configuration
downloaded from the configuration tool is
evaluated during startup of the unit.
The PROFNET IO Controller has started its
core communication software and is ready
to start communication with PROFINET IO
Devices.
Before PROFINET IO Communication is
fully running a relation between each IO
Device and the IO Controller is established.
At least one IO Device is exchanging IO
Data with the IO Controller
All configured IO Devices are detected by
the IO Controller and to all IO Data
Exchange is esthablised.
Section 8-2