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5
Electrical connection
5.1
Overview
The electrical connection of the device is performed using M12 connectors.
2
1
2
Figure 5.1:
Position and designation of the M12 connections
CAUTION
Safety notices!
Before connecting the device, be sure that the supply voltage agrees with the value printed on the
name plate.
Only have the electrical connection performed by certified electricians.
Ensure that the functional earth (FE) is connected correctly.
Fault-free operation is only guaranteed if the functional earth is connected properly.
If faults cannot be rectified, take the device out of operation. Protect the device from accidentally being
started.
NOTICE
UL applications
For UL applications, use is only permitted in Class 2 circuits in accordance with the NEC (National
Electric Code).
NOTICE
Protective Extra Low Voltage (PELV)
The device is designed in accordance with safety class III for supply with PELV (Protective Extra-Low
Voltage).
5.2
POWER (supply voltage / switching input and switching output)
5-pin, M12 plug (A-coded) for connecting to POWER.
5
2
1
3
4
Figure 5.2:
Pin assignments for POWER connection
Leuze electronic
1
POWER
BUS
FE
DDLS 508
Electrical connection
35
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