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6 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 to EN 50178, SELV, PELV�
► Disconnect power�
► Connect the unit as follows:
LED2
LED1
1 / 2: Connection Ub and output signals
Pin 1
Pin 3
Pin 4 (OUT1)
Pin 2 (OUT2)
3: Connection of a 2-wire measuring probe;
links between 1 / 2 and 3 / 4� A wire fault can be corrected in the menu COF�
4: Connection of a 4-wire measuring probe�
LED 1: lit in case of operation as 3-wire unit, IO-Link communication is possible�
LED 2: lit in case of a load on the analogue output�
2
1
1
3
4
1
3
2
4
3
1
2
3
L+
L-
IO-Link
Analogue signal for temperature
1
L +
2
2
L
4
2
1
1
L +
2
L
4
IO-Link
3
L
4
3
4
UK
5
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