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Mechatronic flow sensor

SBU3xx

7

5 Electrical connection

The device must be connected by a qualified electrician.

Observe the national and international regulations for the installation of electrical equipment.

Voltage supply according to EN 50178, SELV, PELV.

u

Disconnect power.

u

Connect the unit as follows:

4

3

2

1

L+

L

BN

1
4 BK

3 BU

Fig. 2: Wiring diagram (colours in accordance with DIN EN60947-5-2)

BN:

Brown

BK:

Black

BU:

Blue

Information about available sockets / plugs at 

www.ifm.com

.

Summary of Contents for SBU3 Series

Page 1: ...Operating instructions Mechatronic flow sensor SBU3xx 11374543 00 08 2021 GB...

Page 2: ...s used 3 1 2 Warnings used 3 2 Safety instructions 4 3 Intended use 5 4 Mounting 6 4 1 Process connection 6 5 Electrical connection 7 6 Settings 8 6 1 Set the switch point on the unit 8 6 2 Carry out...

Page 3: ...r at www ifm com 1 1 Symbols used Requirement Instructions Reaction result Designation of keys buttons or indications Cross reference Important note Non compliance may result in malfunction or interfe...

Page 4: ...Read this document before setting up the product and keep it during the entire service life The product must be suitable for the corresponding applications and environmental conditions without any res...

Page 5: ...coolants It detects the volume flow flow rate time according to the principle of differential pressure and switches the output The switch point is adjustable ATTENTION Frost formation of the medium w...

Page 6: ...ing installation u Equip the unit with suitable protection e g cover to avoid hazard to personnel from leaking media 4 1 Process connection The unit provides 5 connections for pipe thread G 1 IN OUT1...

Page 7: ...nternational regulations for the installation of electrical equipment Voltage supply according to EN 50178 SELV PELV u Disconnect power u Connect the unit as follows 4 3 2 1 L L BN 1 4 BK 3 BU Fig 2 W...

Page 8: ...beyond the maximum value of the setting range Technical data to avoid faulty switching 6 1 Set the switch point on the unit u Loosen the lock nut u Turn the knurl until the target value just becomes v...

Page 9: ...r on the unit is ready for operation The unit detects the volumetric flow quantity and switches the output according to the setting Output closed LED ON if volumetric flow quantity switch point Output...

Page 10: ...enance free Only the manufacturer is allowed to repair the unit u After use dispose of the device in an environmentally friendly way in accordance with the applicable national regulations In case of h...

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