2
0
2
0
-0
3
10
Product Description
EtherCAT: LED Status Indicator
Bus State:
The states of the LEDs are defined as follows:
Bus Power:
The "Bus Power" LED is green: The LED is connected directly to the electrically isolated supply
voltage of the EtherCAT side.
Link/Activity In:
The "Link/Activity" LED at the IN port is directly activated by the EtherCAT processing unit and
lights up
green
when the gateway at the RJ45(In) is located on an operational network (link
pulses are received) and flickers in case of network data traffic (activity).
Link/Activity Out:
The "Link/Activity" LED at the OUT port is directly activated by the EtherCAT processing unit
and lights up
green
when the gateway at the RJ45(Out) is located on an operational network
(link pulses are received) and flickers in case of network data traffic (activity).
ERR State (red LED)
Error
Description
Off
No error
The EtherCAT communication of the device
is ready for operation.
Flashing
Invalid configuration
General configuration error (example: wrong
object settings)
1 x flashing
Unprompted status
change
The application changed the EtherCAT state
independently: The parameter "Change" in
the AL-status register is set to 0x01:
Change/Error
2 x flashing
Application Watchdog
Timeout
The application has timed out (example:
10 ms IR error)
RUN State (green LED) Status
Description
Off
INIT
The device is in the INIT status.
Flashing
PRE-OPERATIONAL
The device is in PRE-OPERATIONAL
status.
1 x flashing
SAFE OPERATIONAL
The device is in SAFE-OPERATIONAL
status.
On
OPERATIONAL
The device is in OPERATIONAL status.
LED status
Definition
On
The LED is permanently on.
Off
The LED is permanently off.
Flashing
The LED changes the state from ON to OFF at a frequency of
2.5 Hz: ON for 200 ms, followed by OFF for 200 ms.
1 x flashing
The LED lights up briefly (200 ms), followed by a long OFF phase
(1000 ms).
2 x flashing
The LED shows a series of short flashes twice (200 ms), separated
by an OFF phase (200 ms). The series is completed with a long
OFF phase (1000 ms).
