User's Manual

Description
3.2 LED display
SCALANCE W760/W720
10 Operating Instructions, 07/2013, C79000-G89xx-C322-01
LED
Color
Meaning
L1
Green
Power supply L1.
P1
Flashing yellow
Data transfer via the Ethernet interface.
Green
There is a connection via the Ethernet interface (Link).
R1
Flashing yellow
Data transfer over the WLAN interface.
Green SCALANCE W760 in access point mode:
The WLAN interface is initialized and ready for operation.
SCALANCE W760 in client mode or SCALANCE W720:
There is a connection via the WLAN interface.
Flashing green SCALANCE W760 in client mode or SCALANCE W720:
The client is searching for a connection to an access point.
Green
flashing briefly
SCALANCE W760 in access point mode:
With 802.11h, the channel is scanned for one minute for primary users
before the channel can be used for data traffic.
SCALANCE W760 in client mode or SCALANCE W720:
The client waits for the MAC address due to the setting "Automatic" for
the "MAC mode" parameter and is connected to no access point.
Green
flashing 3 x
short, 1 x long
SCALANCE W760 in client mode or SCALANCE W720:
The client waits for the MAC address due to the setting "Automatic" for
the "MAC mode" parameter and is connected to an access point.
F Red An error occurred during operation with the device.
Red
R1 flashing
green at the
same time
A primary user was detected on all enabled channels.
(only when DFS is enabled or according to IEEE 802.11h)
P1
R1
Flashing yellow
and green
simultaneously.
"Flashing" enabled using SIMATIC NET Primary Setup Tool (PST).
Note
Primary user (radar) on all enabled channels (only when DFS is enabled)
If the device detects a primary user (for example radar signals) on all enabled channels of
the WLAN interface, the LED F
is lit and
R1
flashes. No data traffic is then possible for the
next 30 minutes
. After this time, the device runs the scan again and checks whether a
primary user still exists. If no primary user is detected, data traffic is possible again.
The wait time of 30 minutes is necessary due to legal requirements and cannot be shortened
eve
n by restarting the device.