LED Descriptions
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PC Cards cifX PC/104 | Installation, Operation and Hardware Description
DOC120206UM42EN | Revision 42 | English | 2014-12 | Released | Public
© Hilscher, 2008-2014
8.6 EtherCAT Slave
The subsequent table describes the meaning of the LEDs for the PC card
cifX Real-Time Ethernet Slave when the firmware of the EtherCAT Slave
protocol is loaded to the device.
LED
Color
State
Meaning
Duo LED red/green
(off)
Off
INIT
: The device is in state INIT
(green)
Blinking
PRE-OPERATIONAL
: The device is in state PRE-OPERATIONAL
(green)
Single Flash
SAFE-OPERATIONAL
: The device is in state SAFE-OPERATIONAL
RUN
Name in
the
device
drawing:
COM 0
(green)
On
OPERATIONAL
: The device is in state OPERATIONAL
Duo LED red/green
(off)
Off
No error
: The EtherCAT communication of the device is in working
condition
(red)
Blinking
Invalid Configuration
: General Configuration Error
Possible reason: State change commanded by master is impossible due
to register or object settings.
(red)
Single Flash
Local Error
: Slave device application has changed the EtherCAT state
autonomously.
Possible reason 1: A host watchdog timeout has occurred.
Possible reason 2: Synchronization Error, device enters Safe-
Operational automatically.
ERR
Name in
the
device
drawing:
COM 1
(red)
Double Flash
Application Watchdog Timeout
: An application watchdog timeout has
occurred.
Possible reason: Sync Manager Watchdog timeout.
LED green
(green)
On
A link is established
(green)
Flickering
The device sends/receives Ethernet frames
L/A IN
/
RJ45
Ch0
L/A
OUT
/
RJ45
Ch1
(off)
Off No
link
established
LED yellow
RJ45
Ch0
RJ45
Ch1
(yellow)
- -
Table 32: LEDs EtherCAT Slave
LED State Definition for EtherCAT Slave for the RUN and ERR LEDs
Indicator state
Definition
On
The indicator is constantly on.
Off
The indicator is constantly off.
Blinking
The indicator turns on and off with a frequency of 2,5 Hz: on for 200 ms, followed by off for
200 ms.
Flickering
The indicator turns on and off with a frequency of approximately 10 Hz: on for approximately
50 ms, followed by off for 50 ms.
Single Flash
The indicator shows one short flash (200 ms) followed by a long off phase (1,000 ms).
Double Flash
The indicator shows a sequence of two short flashes (each 200 ms), separated by a short off
phase (200 ms). The sequence is finished by a long off phase (1,000 ms).
Table 33: LED State Definition for EtherCAT Slave for the RUN and ERR LEDs