Electronic level sensor
LW2120
17
5.7 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.
Supply voltage SELV, PELV according to the technical data sheet.
u
Disconnect power.
u
Connect the unit as follows:
For marine applications (if approval available for the device), additional surge protection is
required.
L
1 BN
2 WH
4 BK
3 BU
OUT1
OUT2
L+
4
3
2
1
Pin
Core colour
1:
BN
Brown
2:
WH
White
3:
BU
Blue
4:
BK
Black
OUT1: switching output or IO-Link
OUT2: analogue output or switching output
Colours to DIN EN 60947-5-2
Circuit examples
:
1
L
1 BN
2 WH
4 BK
3 BU
L+
2
L
1 BN
2 WH
4 BK
3 BU
L+
4
L
1 BN
4 BK
2 WH
3 BU
L+
3
L
1 BN
2 WH
4 BK
3 BU
L+
1:
2 x pnp
2:
2 x npn
3:
1 x pnp / 1 x analogue
4:
1 x npn / 1 x analogue
