LEDs
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netTAP NT 50 | Gateway Devices
DOC091202UM09EN | Revision 9 | English | 2013-02 | Released | Public
© Hilscher, 2010-2013
8.2.4
LEDs PROFINET IO Controller
The subsequent table describes the meaning of the LEDs for the Real-Time
Ethernet device when the firmware of the PROFINET IO-RT Controller pro-
tocol is loaded to the device.
LED
Color
State
Meaning
Duo LED red/green
(red)
On
(together with BF „red ON“)
No valid Master license
(red)
Flashing cy-
clic at 2 Hz
System error
: Invalid configuration, Watchdog error or internal error
SF
Name in the
device draw-
ing:
(off)
Off No
error
Duo LED red/green
(red)
On
No Connection:
No Link.
or (together with SF „red ON“)
No valid Master license
(red)
Flashing cy-
clic at 2 Hz
Configuration fault:
not all configured IO-Devices are connected.
BF
Name in the
device draw-
ing:
(off)
Off No
error
LED green
(green)
On
A connection to the Ethernet exists
LINK
RJ45
(off)
Off
The device has no connection to the Ethernet
LED yellow
RX/TX
RJ45
(yel-
low)
Flashing
The device sends/receives Ethernet frames
Table 37: LEDs PROFINET IO-RT Controller
