6
5 Installation
Before mounting and removing the sensor, make sure that no pressure is
applied to the system�
► Insert the unit in a 7/16-20 UNF (SAE) process connection�
► Tighten firmly�
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 EN50178, SELV, PELV�
► Disconnect power�
► Connect the unit as follows:
2 x p-switching
2 x n-switching
Pin 1
Ub+
Pin 3
Ub-
Pin 4 (OUT1)
• binary switching output pressure monitoring
Pin 2 (OUT2)
• binary switching output if [OU2] = [Hno], [Hnc], [Fno] or [Fnc]
• diagnostic output if [OU2] = [dESI]
Core colours of ifm sockets:
1 = BN (brown), 2 = WH (white), 3 = BU (blue), 4 = BK (black)
