Omron GRT1-ECT SmartSlice, Руководство по эксплуатации

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6 GRT1-ECT Troubleshooting
6 - 2 GRT1-series EtherCAT Communication Unit - Operation Manual
6-1 Troubleshooting with LED indicators
The figure below shows the available LED indicators on the EtherCAT Communication Unit and on the
SmartSlice I/O system attached to it. The GRT1-ECT and the SmartSlice I/O Units are operating
normally when all of the LED indicators are lit green.
Reference
Not shown in the figure above is a Turnback Unit. The Turnback Unit also provides I/O PWR,
UNIT PWR and TS LED Indicators.
The LED indicators can be used to determine the following categories of errors
• Power errors
• Startup errors
• SmartSlice I/O Unit errors
• EtherCAT errors
Errors in the Power supply of the Unit or the external I/O are indicated by the UNIT PWR and I/O PWR
LED Indicators.

Troubleshooting UNIT Power
The UNIT PWR LED Indicator shows whether or not sufficient power is supplied to the EtherCAT
Communication Unit and the SmartSlice I/O Units in order for them to startup and operate properly.
A UNIT PWR LED Indicator is provided on the following Units:
• GRT1-ECT EtherCAT Communication Unit
• GRT1-TBL Left Turnback Unit
The table below shows the LED Indicator options.
6-1-1 Power Supply Errors
RUN LED: Indicates the status of the EtherCAT Communication Unit.
ERR LED: Indicates the status of EtherCAT Communication Unit.
TS LED: Indicates the status of the SmartSlice I/O System.
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 SmartSlice I/O Unit.
0 0
2
3
4
5
6
7
8
9
1
0
2
3
4
5
6
7
8
9
1
ON ON
+V +V
- V
+V +V
-V -V
UNIT UNIT
I/O
DC24V DC24V
INPUT
INPUT
REGS REGS
NC
NC
ADR
ADR
BACK
BACK
1
2
3
4
RUN RUN
ERR ERR
TS TS
UNIT PWR UNIT PWR
I/O PWR I/O PWR
OMRON GRT1-ECT
x10 x10 x1 x1
IN
ADR
OUT
L/A
L/A
FG