6
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 according to EN 50178, SELV, PELV�
► Disconnect power�
► Connect the unit as follows:
4
3
2
1
L+
L
3
1
4
2
IO-Link
L+
L
1
2
1
2
Operation as 2-wire unit (1):
Pin 1
L+
Pin 2
Analogue signal for temperature
Operation as 4-wire unit (2):
Pin 1
L+
Pin 2
Analogue signal for temperature
Pin 3
L-
pin 4
IO-Link
