7

UK

4 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:

L+

L

1

4

3 BU

BK

BN

3

1

4

2

L+

L

1

4

3 BU

BK

BN

A

B

A: SI5000 (positive switching); B: SI5001 (negative switching)

Core colours of ifm sockets:

1 = BN (brown), 3 = BU (blue), 4 = BK (black)

5 Operating and display elements

Low

High

Flow

0 1 2 3 4 5 6 7 8 9

Setpoint

1

2

3

1: Operation display

• The green LEDs indicate the current flow (the LEDs 0 to 9 represent the range between

no flow and maximum flow)�

• A lighting LED indicates the position of the switch point (orange = output closed, red =

output open)�

2, 3: Setting buttons for adjustment and configuration