
Device description
Leuze electronic
DDLS 548i
16
LED
Color
State
Description
LLC
---
OFF
LLC operating mode (Link Loss Counter, interruption diag-
nostics) not activated.
Green
Continuous light
The optical link was interruption-free since activation of the
LLC.
Red
Continuous light
The optical link was interrupted at least once since activa-
tion of the LLC (see chapter 8.3 "Error displays of the oper-
ating mode LEDs").
Operating state indicator
The PWR, TMP, LSR, OLK, ERL and LINK LEDs indicate the operating state of the device.
1
2
3
4
5
6
7
1
PWR – Supply voltage (Power)
2
TMP – Temperature warning/error
3
LSR – Laser prefailure message
4
BUS – PROFINET status of the network connection of the participant
5
OLK – Optical link
6
ERL – Error Link
7
LINK – M12 cable-connected link
Fig. 3.4:
Operating state LEDs in the control panel