Device description
Leuze electronic MLC 530 13
3.3 Display elements
The display elements of the safety sensors simplify start-up and fault analysis.
3.3.1 Operating indicators on the MLC 500 transmitter
Two LEDs for displaying the function are located on the connection cap.
1 LED1, green/red
2 LED2, green
Figure 3.3: Indicators on the MLC 500 transmitter
Table 3.2: Meaning of the LEDs
3.3.2 Operating indicators on the MLC 530 receiver
Three LEDs and a 7-segment display for visualizing the operating state are located on the receiver:
LED Color State Description
1 Green/red OFF Device switched off
red Device error
green Normal operation
2 green Flashing 10 s long after switch-on: reduced range selected by the
wiring of pin 4
OFF Transmission channel C1
ON Transmission channel C2