2
0
1
8
-0
6
12
Installation
5.2
LED Indicators
The absolute rotary encoder features 4 LED indicators for displaying the operating status and
diagnosis information in the case of a fault.
The LEDs indicate the following behavior, depending on their function:
■
On
■
Off
■
Flashing
Figure 5.1
LED indicator with ENA58IL-R*** EtherCAT as an example
Port LEDs
EtherCAT LEDs
LED
Color
Status
Description
L/A
(Link/Act IN)
Green
On
LINK active for HUB port 1
Flashes
Activity for HUB port 1
L/A
(Link/Act
OUT)
Green
On
LINK active for HUB port 2
Flashes
Activity for HUB port 2
LED
Color
Status
Description
Error
Red
Off
No error
Flashes
Invalid configuration
Single flash
Local fault
Double flash Watchdog process data timeout/watchdog
EtherCAT timeout
Flickers
Boot error
On
Application error
Run
Green
Off
Initialization
Flashes
Preoperational
Single flash
Safe operational
Flickers
Initialization or bootstrap
On
Operational