V01.00 | 2019/12
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10.3 LED displays
Every device displays the following statuses via LEDs:
n Group and bus errors
LED BUS Meaning
Off No voltage connected
Green Active connection to a master
Flashing green 3x in 2s ARGEE/FLC active
Green flashing (1 Hz) Device is ready for operation
Red IP address conflict, Restore mode active, F_Reset active or Modbus
connection timeout
Red flashing Wink command active
Red/green (1 Hz) Autonegotiation and/or waiting for DHCP-/BootP-address assignment
LEDs ETH1 and ETH2 Meaning
Off No Ethernet connection
Green Ethernet connection established, 100 Mbps
Green flashing Ethernet traffic, 100 Mbps
Yellow Ethernet connection established, 10 Mbps
Yellow flashing Ethernet traffic, 10 Mbps
10.4 Software diagnostic messages
The device provides the following software diagnostic messages:
n Vi overcurrent diagnostics
Overcurrent diagnostics for the sensor-/ actuator supply VAUX1
n IOL diagnostics
Diagnostic messages of the IO-Link channels if parameterized as digital in. or digital output.
n IO-Link master diagnostics
The IO-Link master reports problems within the IO-Link communication.
n IO-Link device diagnostics
The device diagnostics map the IO-Link Event Codes (according to the IO-Link specification)
sent from the IO-Link devices to the diagnostic telegram of the master.
Event Codes can be read from the connected devices by using appropriate device tools (e.g.
IODD-Interpreter).
Further information concerning the IO-Link Event Codes and their meaning can be found in
the IO-Link specification or in the documentation of the connected devices.
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