Leuze electronic DDLS 538 Series Original Operating Instructions page 19

Device description
LED Color
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.
1 two red LEDs
2 two orange LEDs
3 four green LEDs
Fig. 3.5: SIGNAL QUALITY indicator of the received signal level
Leuze electronic GmbH + Co. KG
State
OFF
Continuous light
Continuous light
OFF
Continuous light
Continuous light/
flickering light
1 2
Description
No link error.
• Missing link (Ethernet cable connection) on the second
device (see chapter 8.1 "Error displays of the operating
state LEDs").
• SIGNAL QUALITY indicator on the second device without
green and orange LED (see chapter 8.1 "Error displays of
the operating state LEDs").
• No cable-connected link to the connected device (see
chapter 8.1 "Error displays of the operating state LEDs").
• SIGNAL QUALITY indicator without green and orange
LED (see chapter 8.1 "Error displays of the operating
state LEDs").
No cable-connected link to the connected device (see chapter
8.1 "Error displays of the operating state LEDs").
• The link to the connected device is OK.
• No data is sent or received.
• The link to the connected device is active.
• Data is sent and received.
3
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