Troubleshooting Overview; Checking The Slice I/O Terminal's Status; Led Indicators - Omron GRT1 - 11-2007 Operation Manual

Troubleshooting Overview

9-1 Troubleshooting Overview
9-1-1

Checking the Slice I/O Terminal's Status

9-1-2

LED Indicators

282
The following two methods can be used to check for Slice I/O Terminal errors.
Use the appropriate method for the conditions.
Method Programming
Using LED indicators Not required.
Using Programming Required.
Device
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 Communications Unit, Slice I/O Units,
Turnback Units, etc.).
Example: Slice I/O Terminal with a DeviceNet Communications Unit
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.
Device
The general error status can be determined
without using the Programming Device.
The Programming Device can be used to
find detailed information about the error
from the error contents.
Section 9-1
Features