Led Display; Fig. 11 Leds - Beckhoff KL6224 Documentation

Mounting and wiring
3.5

LED display

Fig. 11: LEDs
LEDs
LED Color
RUN green
State Ch. 1 - 4 green
20
Meaning
These LEDs indicate the terminal's operating state:
off no data transfer on the K-bus
flashes data transmission on the K-bus
on / off Status of the signal line (if configured as STD in / out)
flashes briefly establishing IO-Link communication
twice
permanently IO-Link communication established and in operation
flashing
Version: 2.0.0 KL6224