Status LEDs
1 - IO-Link
| LED signal | Meaning | 
|---|---|
| off | Possibilities: 
 | 
| red illuminated flashes sporadically green | Possibilities: 
 | 
| flashing green | IO-Link communication active | 
| green illuminated | Logic level high 1) | 
1) Port configured as digital input or output
2 - Digital input DI
The LED lights up when a high level is present on the digital input DI.