17
UK
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.
Voltage supply according to EN 50178, SELV, PELV.
►
Disconnect power.
►
Connect the unit as follows:
Core colours
4
3
2
1
BN
WH
BK
BU
4
1
3
2
OUT2
L+
L
OUT1
BK
black
BN
brown
BU
blue
WH
white
OUT1: switching output / IO-Link
OUT2: switching output
Colours to DIN EN 60947-5-2
Example circuits
2 x pnp
2 x npn
L
L+
3
4
2
1
BU
BK
WH
BN
2: OUT2
4: OUT1
L
L+
3
4
2
1
BU
BK
WH
BN
2: OUT2
4: OUT1
For reliable function, the sensor housing must be
electrically connected to the counter-electrode
(grounding).
►
Use the housing connection (see drawing) and
a short piece of cable with a core cross-section
of at least 1.5 mm
2
.
When using metal tanks, the tank wall serves as
the machine earth.
For plastic tanks, a counter-electrode must be
provided, e.g. a metal plate inside the tank in
parallel with the probe. Adhere to minimum
distances to the probe.
