LED
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NXIO 100-RE Board | Configuration and Hardware Description
DOC061101UM02EN | Revision 2 | English | 2011-06 | Released | Public
Hilscher, 2006-2011
6.1.7
LED SERCOS III Slave
The subsequent table describes the meaning of the LEDs for the Real-Time
Ethernet device when the firmware of the SERCOS III Slave protocol is
loaded to the device.
LED
Color
State
Meaning
Duo LED red/green/orange
(orange = red/green simultaneously)
(green)
On
CP4:
Communication phase 4,
Normal operation, no error
(green)
Flashing (4 Hz)
Loopback
: The network state has changed from „fast-
forward“ to „loopback“.
(red/
green)
Flashing (4 Hz),
The LED
flashes at least
for 2 seconds
from red to
green.
Communication Error
: Depends on IDN S-0-1003
(for details refer to SERCOS III Slave Protocol API
documentation).
Shows how long the Master may in the communication
phases CP3 and CP4 not received Master SYNC
telegrams.
(red)
On
SIII C1D
:
Error detected according to Sercos III Cass 1 Diagnosis.
(orange)
On
CP0 … CP3
:
Communication phase 0 to Communication phase 3
(orange)
Flashing (4 Hz)
Identification
: Bit 15 in the Slave device control that
indicates remote address allocation or configuration
errors between Master and Slaves (for details refer to
SERCOS III Slave Protocol API documentation).
STA
Name in
the device
drawing:
COM 0
(off)
Off
No SERCOS III Communication
Duo LED red/green
Name in
the device
drawing:
COM 1
-
-
This LED is not used.
LED green
(green)
On
Link: A connection to the Ethernet exists
(green)
Flashing
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 40: LEDs SERCOS III Slave
LED State Definition for SERCOS III Slave for the S3 LED
Indicator state
Definition
On
The indicator is constantly on.
Off
The indicator is constantly off.
Flashing (4 Hz)
The indicator turns on and off with a frequency of 4 Hz: on for
appr. 125 ms, followed by off for appr. 125 ms.
Table 41: LED State Definition for SERCOS III Slave for the S3 LED
