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
8.20.2 2 Communication Status LEDs
The subsequent table describes the meaning of the LEDs for the PC card
cifX CANopen Slave when the firmware of the CANopen Slave protocol is
loaded to the device.
LED
Color
State
Meaning
cifX with 2 Communication Status LEDs
(AIFX-CO is connected or for prior Hardware Revisions)
LED green
(off)
Off
RESET:
The device is executing a reset
(green)
Single flash
STOPPED:
The device is in STOPPED state
(green)
Blinking
PREOPERATIONAL:
The device is in the PREOPERATIONAL state
(green)
On
OPERATIONAL:
The device is in the OPERATIONAL state
RUN
(green)
Flickering
(alternatively
with ERR LED)
Auto Baud Rate Detection active:
The Device is in the Auto Baud Rate
Detection mode
LED red
(red)
Single flash
Warning Limit reached:
At least one of the error counters of the CAN
controller has reached or exceeded the warning level (too many error
frames).
(red)
Double flash
Error Control Event:
A guard event (NMT Slave or NMT-master) or a
heartbeat event (Heartbeat consumer) has occurred.
(red)
On
Bus Off:
The CAN controller is bus off
ERR
(red)
Flickering
(alternatively
with RUN LED)
Auto Baud Rate Detection active:
The Device is in the Auto Baud Rate
Detection mode
Table 59: LEDs CANopen Slave – 2 Communication Status LEDs (AIFX-CO connected or
prior Hardware Revision)
LED State Definition for CANopen Slave for the CAN or RUN/ERR
LEDs
Indicator state
Definition
On
The indicator is constantly on.
Off
The indicator is constantly off.
Flickering
The indicator turns on and off with a frequency of 10 Hz: on for 50 ms, followed by off for 50
ms.
Blinking
The indicator turns on and off with a frequency of 2,5 Hz: on for 200 ms, followed by off for
200 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 60: LED State Definition for CANopen Slave for the CAN or RUN/ERR LEDs
