
7
UK
5 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:
P
L+
1
4
3
2
L
Pin 1
Ub+
Pin 2
• Programming wire for remote setting
Pin 3
Ub-
Pin 4
• OUT1 (PNP): switching signal for flow monitoring
• IO-Link
Only use 4-wire sockets without bridge between pin 2 and pin 4� If 3-wire
sockets with a bridge between pin 2 and pin 4 are used, power on of the
output stage triggers the remote calibration�