Balluff Network Interface / IO-Link
www.balluff.com
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Function indicators
Function
indicators
LED indicator
module status
LED Name
Indicator
Function
COM
Green
No communication
Green, flashing
IO-Link communication OK
US1
Green
Module power OK
Red
Undervoltage < 18 V
Off
Module is without voltage
UA
Green
Actuator power OK
Red
Undervoltage < 18 V
Digital LED
indicators for
inputs/outputs
LED 0 = input/output on Pin 4, LED 1 = input/output on Pin 2
Indicator
Request / Signal
Yellow
Input/output signal = 1
Red
Sensor supply short-circuit
Actuator warning
Actuator short-circuit
Off
Input/output signal = 0
Extension
port
The table is valid if the extension port is active. If the extension port is used as a standard I/O,
then the description from "Digital LED indicators for inputs/outputs" can be used.
Status
Function
Green
IO-Link
– connection active
Green, flashing
No IO-Link connection or faulty IO-Link device
Flashing red rapidly
Incorrect IO-Link device or incorrect configuration
Red
IO-Link short-circuit on Pin 4
LED 0
LED 1