Leuze electronic DDLS 508 Operating Instructions Manual page 14

LED Color
LSR ---
Orange
FRE ---
Green
OLK ---
Green
Orange
ERL ---
Orange
Red
LINK ---
Green
Orange
SIGNAL QUALITY indicator
Eight individual LEDs are available for displaying the received signal level (SIGNAL QUALITY):
• two red LEDs
• two orange LEDs
• four green LEDs
At the optimum received signal level, all LEDs (red, orange, green) are activated.
If the received signal level drops, the LEDs are successively switched off, beginning with the green LEDs.
Leuze electronic
State Description
OFF Laser diode of the transmitter with sufficient function reserve.
• Warning: The laser diode of the transmitter signals the immi -
Continuous
nent end of the life expectancy (see chapter 7.1).
light
Limits to the maximum data transmission distance may occur.
• Data transmission remains active.
OFF Transmission frequency F1 preselected
Continuous Transmission frequency F2 preselected (factory setting)
light
OFF No optical data connection
No data transmission
Causes (see chapter 7.1):
• Optical window soiled
• Insufficient alignment
• Range exceeded
• Environmental influences (snow, rain, fog)
• Transmitter deactivated
• Transmitter of the second device deactivated
• The optical link exists.
Continuous
• No data is sent or received.
light
Continuous Data is sent and received.
light/
flickering
light
OFF No link error.
• Missing link (Ethernet cable connection) on the second
Continuous
device (see chapter 7.1).
light
• SIGNAL QUALITY indicator on the second device without
green and orange LED (see chapter 7.1).
• No cable-connected link to the connected device (see
Continuous
chapter 7.1).
light
• SIGNAL QUALITY indicator without green and orange LED
(see chapter 7.1).
OFF No cable-connected link to the connected device (see
chapter 7.1).
• The link to the connected device is OK.
Continuous
• No data is sent or received.
light
• The link to the connected device is active.
Continuous
• Data is sent and received.
light/
flickering
light
DDLS 508
Device description
15