Operating Indicators On The Mlc 520 Receiver - Leuze electronic MLC 500 Original Operating Instructions

3.4.2 Operating indicators on the MLC 520 receiver
Two LEDs and a 7-segment display for showing the operating state are located on the receiver:
1
2
1 LED1, red/green
2 LED2, yellow
3 OSSD icon
4 RES icon
5 7‑segment display
Fig. 3.6: Indicators on the MLC 520 receiver
Tab. 3.3: Meaning of the LEDs on the receiver
LED Color
1 Red/green
2 Yellow
7-segment display at the MLC 520 receiver
In normal operation, the 7-segment display shows the number of the selected transmission channel. In ad-
dition, it helps during the detailed error diagnostics (see chapter 11 "Troubleshooting") and serves as an
alignment aid (see chapter 8.2 "Aligning the sensor").
Leuze electronic
5
3
4
State
OFF
Red
Red, flashing slowly (approx. 1 Hz)
Red, flashing fast (approx. 10 Hz)
Green, flashing slowly (ap-
prox. 1 Hz)
Green
OFF
ON
MLC 520 Host/Guest
Device description
Description
Device switched off
OSSD off
External error
Internal error
OSSD on, weak signal
OSSD on
• RES deactivated
• or RES activated and enabled
• or RES blocked and protective
field interrupted
RES activated and blocked but
ready to be unlocked - protective
field free
15