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
8.13 sercos Master
The subsequent table describes the meaning of the LEDs for the PC card
cifX Real-Time Ethernet Master when the firmware of the sercos Master
protocol is loaded to the device.
LED
Color
State
Meaning
Duo LED red/green
(green)
Blinking
CP0:
Communication phase 0
(green)
Flickering
Master isn't configured and is in NRT. After a status change this
isn't indicated again
(green)
Single Flash
CP1:
Communication phase 1
(green)
Double Flash
CP2:
Communication phase 2
(green)
Triple Flash
CP3:
Communication phase 3
(green)
On
CP4:
Communication phase 4
STA
Name in
the device
drawing:
COM 0
(off)
Off
NRT:
Non Real-time Mode
Duo LED red/green
(red)
Blinking
Error in the configuration database.
(red)
Flickering
Boot-up was stopped due to an error.
(red)
Double Flickering
Slave is missing.
(red)
Single Flickering
Channel Init was executed at the Master.
(red)
Quadruple Flash
No Master license present in the device
(red)
Triple Flash
DPM Watchdog has expired.
(red)
Double Flash
Internal Stop of the bus cycle
(red)
Single Flash
Bus Sync Error Threshold
ERR
Name in
the device
drawing:
COM 1
(off)
Off No
error
LED green
(green)
On
Link: A connection to the Ethernet exists
(green)
Flickering
Activity: The device sends/receives Ethernet frames
L/A/
RJ45
Ch0 & Ch1
(off)
Off
The device has no connection to the Ethernet
LED yellow
RJ45
Ch0 & Ch1
-
-
This LED is not used.
Table 41: LEDs sercos Master
LED State Definition for sercos Master for STA and ERR LEDs
Indicator state
Definition
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.
Single 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.
Double Flickering
The indicator turns on / off / on each for approximately 50 ms, followed by off for 500 ms.
Flickering
The indicator turns on and off once: 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).
Triple Flash
The indicator shows a sequence of three 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).
Quadruple Flash
The indicator shows a sequence of four 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 42: LED State Definition for sercos Master for the STA and ERR LEDs
