Omron SMARTSLICE - 04-2008, Operation Manual

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Troubleshooting Overview Section 6-1
6-1 Troubleshooting Overview
6-1-1 Checking the Slice I/O Terminal’s Status
The following two methods can be used to check for Slice I/O Terminal errors.
Use the appropriate method for the conditions.
6-1-2 LED Indicators
The following LED indicators in the Slice I/O Terminal show the system status.
The Slice I/O Terminal is operating normally when all of the LED indicators
are lit green (including indicators on the DeviceNet Communications Unit,
Slice I/O Units, Turnback Units, etc.).
6-2 LED Indicators and Error Processing
The following table shows the meaning of the LED indicators on each Unit
used in a Slice I/O Terminal, as well as error processing required when an
error is indicated.
Method Programming
Device
Features
Using LED indicators Not required. The general error status can be determined
without using the DeviceNet Configurator.
Using DeviceNet
Configurator Required. The DeviceNet Configurator can be used to
find detailed information about the error
from the error contents.
MS LED: Indicates the status of the DeviceNet Communications Unit.
NS LED: Indicates the status of DeviceNet communications.
TS LED: Indicates the status of the entire Slice I/O Terminal.
UNIT PWR: Indicates the status of the Unit power supply.
I/O PWR: Indicates the status of the I/O power supply.
TS LEDs: Indicate the status of each Slice I/O Unit.
Unit LED
name
Color Status Meaning Likely cause of error
DeviceNet
Communica-
tions Unit MS Green Unit operating normally. ---
--- Power is not being supplied to
the Unit. Check whether power is being supplied by
the Unit power supply.
Red Unit hardware failure Turn the power OFF and then ON again.
Replace the Unit if the error recurs.
Red Parameter data is invalid. Use a Programming Device to write the cor-
rect data again.
Backup data is invalid. Backup the data again.
Registration table data is
invalid. Register the I/O configuration table again.
MS
MS
MS
MS