LED Descriptions
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PC Cards cifX PCI, PCIe, Low Profile PCIe | Installation, Operation and Hardware Description
DOC120204UM36EN | Revision 36 | English | 2012-10 | Released | Public
© Hilscher, 2008-2012
8.19 CANopen Slave
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 1 Communication LED
(current Hardware Revision)
Duo LED red/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
(red/green)
Flickering
(alternatively
red / green)
Auto Baud Rate Detection active:
The Device is in the Auto Baud Rate
Detection mode
(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.
CAN
(red)
On
Bus Off:
The CAN controller is bus off
Table 62: LEDs CANopen Slave – 1 Communication LED (current Hardware Revision)
LED State Definition for CANopen Slave for the CAN LED
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 63: LED State Definition for CANopen Slave for the CAN LED
* Descriptions for 2-Communication LEDs of earlier device revisions are included in the
user manual for PC cards cifX fieldbus up to manual rev. 23.
