Leuze electronic DDLS 508, Operating Instructions Manual, Page: 13 / 58

Device description
Leuze electronic DDLS 508 14
1 PWR – Supply voltage (Power)
2 TMP – Temperature warning/error
3 LSR – Laser prefailure message
4 FRE - Indicates the preselected transmission frequency
5 OLK – Optical link
6 ERL – Error Link
7 LINK – M12 cable-connected link
Figure 3.5: Operating state LEDs in the control panel
Table 3.2: Meaning of the operating state indicators
1 2 3 4 5 6 7
LED Color State Description
PWR --- OFF No supply voltage (see chapter 7.1)
Green Flashing Device is being initialized
• Supply voltage connected
• Initialization running
• No data sent or received
Green Continuous
light
Data transmission path ready
• Initialization finished
Red Flashing Warning set (see chapter 7.1)
• No green and orange LEDs in SIGNAL QUALITY indicator
• The optical link is interrupted.
• The laser diode of the transmitter is defective.
Red Continuous
light
Device error (see chapter 7.1)
• The function of the device is limited.
The displays of the other operating state LEDs may provide
information on the cause of the error.
TMP --- OFF Operating temperature in the specified working range
Orange Continuous
light
• Warning: The operating temperature is above or below the
specified working range by a maximum of 5 °C (see
chapter 7.1).
• Data transmission remains active.
Red Continuous
light
• The operating temperature is above or below the specified
working range by more than 5 °C (see chapter 7.1).
• The operating time outside of the permissible operating tem
-
perature is detected by the device.
• Data transmission remains active.