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15
UK
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 / "supply class 2" to cULus�
►
Disconnect power�
►
Connect the unit as follows:
2-wire operation
3-wire operation:
2-wire operation
pin 1
Ub+
pin 2
Ub-
3-wire operation:
pin 1
Ub+
pin 3
Ub-
pin 2 (OUT2)
•
Analogue output for system temperature
pin 4 (OUT1)
•
diagnostic output
•
IO-Link
Core colours of ifm sockets:
1 = BN (brown), 2 = WH (white), 3 = BU (blue), 4 = BK (black)