Leuze electronic DDLS 508i Original Operating Instructions page 19

Device description
1 two red LEDs
2 two orange LEDs
3 four green LEDs
Fig. 3.5: SIGNAL QUALITY indicator of the received signal level
Tab. 3.3: Meaning of the SIGNAL QUALITY indicators
LED Color
SIGNAL Green
QUALITY
Orange
Red
Leuze electronic GmbH + Co. KG
2
1
State
Continuous light
4-stage
Continuous light
2-stage
Continuous light
2-stage
3
Description
• Received signal level with function reserve.
• The optical link exists.
Warning: Received signal level with minimal function re-
serve (see chapter 7 "Diagnostics and troubleshooting").
• The optical link exists.
AUT operating mode (Automatic): Data transmission is
active.
MAN (Manual), ADJ (Adjust) operating modes: Data
transmission is deactivated.
• Switching output IO1 of the POWER connection is acti-
vated in operating modes AUT (Automatic), MAN (Man-
ual) and ADJ (Adjust).
Causes:
• Optical window soiled
• Range exceeded
• Environmental influences (snow, rain, fog)
• Insufficient alignment
The optical link is interrupted. The received signal level is
not sufficient (see chapter 7 "Diagnostics and troubleshoot-
ing").
• No data is sent or received.
• Switching output IO1 of the POWER connection is acti-
vated.
Causes:
• Optical window soiled
• Range exceeded
• Environmental influences (snow, rain, fog)
• Insufficient alignment of the devices
• Wrong F3/F4 frequency assignment of the devices
• Transmitter of the second device deactivated
DDLS 508i 19