Pin
Pin 1
Pin 2
Pin 3
CAUTION
If the IO-Link device requires more than 80 mA, the external supply must be used!
Light-emitting diodes
The LEDs on the USB IO-Link Master have the following meanings:
Label
PWR
CH 1 (C/ DI / DO)
CH 2 (C/ DI / DO)
Error
Hardware installation
To connect the computer to the USB IO-Link Master, please use the USB cable provided.
To connect the Master to the IO-Link device, please use a standard sensor cable (3- or 4-pin) with M12
connectors on both ends.
14
Signal
+24 V
GND
GND
Color
Yellow
Green / yellow
Red
(Pinning)
Meaning
Indicates the power supply at the USB port
Green: IO-Link mode
The LED blinks slowly if there is no IO-Link connection,
blinks fast in the Preoperate status and stays lit if the
IO-Link connection is in the data exchange (Operate)
status.
Yellow: SIO mode
Indicates the digital status at port C/Q
Lights up if an error has occurred. (short-circuit, data
transmission error)