Leuze electronic DDLS 548i, Manual, Page: 38 / 76

Electrical connection
Leuze electronic DDLS 548i 38
5 Electrical connection
5.1 Overview
The electrical connection of the device is performed using M12 connectors.
2
1
1 POWER
2 BUS
Fig. 5.1: Position and designation of the M12 connections
CAUTION
Safety notices!
Ä
Before connecting the device, be sure that the supply voltage agrees with the value printed
on the name plate.
Ä
Only have the electrical connection performed by certified electricians.
Ä Ensure that the functional earth (FE) is connected correctly. Fault-free operation is only
guaranteed if the functional earth is connected properly.
Ä If faults cannot be rectified, take the device out of operation. Protect the device from acci-
dentally being started.
NOTICE
UL applications!
For UL applications, use is only permitted in Class 2 circuits in accordance with the NEC (Na-
tional Electric Code).
NOTICE
Protective Extra Low Voltage (PELV)!
The device is designed in accordance with protection class III for supply with PELV (Protective
Extra-Low Voltage).
NOTICE
Laying cables!
Ä Lay all connection cables and signal lines within the electrical installation space or perma-
nently in cable ducts.
Ä Lay the cables and lines so that they are protected against external damages.
Ä
For further information: see EN ISO 13849-2, Table D.4.