Mounting and cabling
EPP6228-0022
25
Version: 1.3
5.3.2.2
Status LEDs
1
2
Fig. 8: Status LEDs of an IO-Link port
1 - IO-Link
LED signal
Meaning
off
Possibilities:
• Port not configured
• Logic level low
1)
red illuminated
flashes sporadically green
Possibilities:
• IO-Link connection attempt
• No IO-Link device connected
• Incorrect IO-Link device connected
• IO-Link device defective
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.