Balluff Network Interface / IO-Link
www.balluff.com
32
11 Function Indicators
Function
Indicators
LED indicator
module status
LED
Indicator
Function
COM
Green
No communication
Green, flashing
IO-Link Communication OK
US1
Green
Module supply OK
Red
Undervoltage < 18 V
Off
Module without voltage
UA
Green
Actuator power supply OK
Red
Undervoltage < 18 V
Digital LED
indicators for
inputs
Indicator
Description
LED 0
Input on Pin4
LED 1
Input on Pin2
Status
Function
Yellow
Input signal = 1
Red
Sensor power supply short-circuit
Off
Input 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" can be used.
Status
Function
Green
IO-Link – connection active
Green, flashing
No IO-Link connection or faulty IO-Link device
Quick, red flashing
Incorrect IO-Link device or incorrect configuration
Red
IO-Link short-circuit on Pin 4
LED 0
LED 1
