21
UK
Electrical connection
7
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�
For the scope of validity cULus:
The device shall be supplied from an isolating transformer having a secondary
Listed fuse rated as noted in the following table�
Overcurrent protection
Wire cross section control circuit
Maximum nominal current of the protective
equipment
AWG
[mm
2
]
[A]
22
0�32
3
20
0�52
5
18
0�82
7
16
1�3
10
14
2�1
20
12
3�3
25
Disconnect power�
►
Connect the unit as follows:
►
�������
�������
�
��
�
�
�
�
�
�
�
�
Pin / connection
Core colours for ifm sockets
1 L+
brown
2 OUT2 (analogue output)
white
3 L-
blue
4 OUT1 (switching output)
black
Note: when the unit is supplied with operating voltage for the first time, the probe
length, the medium to be detected and the type of probe used must be entered�
After this, the unit is operational (→ 10.2).