
Device description
Leuze electronic
DDLS 548i
14
1
2
3
4
1
Device with frequency F3 (DDLS 5XX xxx.3 YY)
2
Device with frequency F4 (DDLS 5XX xxx.4 YY)
3
Frequency F3
4
Frequency F4
Fig. 3.2:
Optical data transmission on two frequencies
The received signal level (SIGNAL QUALITY) is measured on both devices. If the received signal level
drops below a certain value (SIGNAL QUALITY indicator shows only red and orange), the intensity warning
is activated.
The intensity warning is applied on switching output IO1 of the POWER connection.
3.2
Connection technology
A-coded, M12 connection for the supply voltage with integrated switching input and output.
D-coded, M12 connection for the Ethernet connection.
3.3
Indicators and operational controls
3.3.1
Indicators and operational controls in the control panel
Operating mode selector switch and operating mode indicator
• Operating mode selector switch [MODE]
The operating mode selector switch is used to switch between the operating modes of the device (see
chapter 6 "Starting up the device").
• Operating mode LEDs AUT, MAN, ADJ, LAS, LLC
The operating mode LEDs indicate the active operating mode.