Device description
Leuze electronic GmbH + Co. KG RSL 420P 18
3.4 Display elements
The display elements of the safety sensors simplify start-up and fault analysis.
3.4.1
RSL 400 LED indicator
Located on the connection unit are six LEDs for displaying the operating state.
• Protective function A: LEDs 1, 2, 3
1 LED1, red/green
2 LED2, yellow
3 LED3, blue
4 LED4, blue
5 LED5, yellow
6 LED6, red/green
Fig.3.6: LED indicators
Tab.3.2: Meaning of the LEDs
LED Color State Description
1 Red/green OFF Device switched off
Red Safety signal off
Red, flashing Error
Green Safety signal on
2 Yellow OFF RES deactivated
RES activated and enabled
Flashing Protective field occupied
ON RES activated and blocked but ready to be unlocked
Protective field free and linked sensor enabled (if applicable)
3 Blue OFF Free warning field
ON Warning field interrupted
4 - - -
5 - - -
6 Red Flashing Error