Electrical Connection - IFM Electronic LR2050 Operating Instructions Manual

8 Electrical connection

The unit must be connected by a qualified electrician�
The national and international regulations for the installation of electrical
equipment must be adhered to�
Voltage supply according to SELV, PELV�
For marine applications (if approval available for the device), additional
surge protection is required�
► Disconnect power�
► Connect the unit as follows:
Core colours
BK Black
BN Brown
BU Blue
WH White
2 x positive switching
2: OUT2
4: OUT1
1 x positive switching / 1 x analogue
2: OUT 2
4: OUT 1
When operating voltage is applied to the unit for the first time, the basic
settings must be entered first (→ 11.2)� Only then is the unit ready for
operation�
2 1
3 4
Example circuits
1
BN
L +
2
WH
4
BK
3
BU
L
1
BN
L +
2
WH
4
BK
3
BU
L
OUT1: Switching output / IO-Link
OUT2: Analogue output or switching output
Colours to DIN EN 60947-5-2
2 x negative switching
2: OUT2
4: OUT1
1 x negative switching / 1 x analogue
2: OUT 2
4: OUT 1
1 BN
L +
2 WH
OUT2
4 BK
OUT1
3 BU
L
1
BN
L +
2
WH
4
BK
3
BU
L
1
BN
L +
4
BK
2 WH
3
BU
L
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