IFM Electronic SI0562 Bedienungsanleitung

Operating instructions

Flow monitors

SI5006

SI0562

704194 / 04 02 / 2022

Contents

1 Preliminary note��3

1�1 Symbols used ��3

2 Safety instructions ��3

3 Functions and features ��4

3�1 Application area ��4

3�2 Operating principle flow monitoring ��4

4 Installation��5

4�1 Installation location ��5

4�2 Sources of interference in the pipe system ��6

4�3 Mounting operation��6

5 Electrical connection��7

6 Operating and display elements ��8

7 Set-up and settings for water��9

7�1 Change the switch point (optional) ��9

7�2 High flow adjustment (optional) ��10

8 Additional settings (optional)�� 11

8�1 Low flow adjustment �� 11

8�2 Configure the switching output �� 11

8�3 Restore the factory setting (reset) �� 11

8�4 Lock / unlock the unit�� 11

9 Error during adjustment ��12

10 Operation��13

11 Maintenance ��13

12 Technical data��13

1 Preliminary note

1.1 Symbols used

►Instruction

> Reaction, result

[…] Designation of buttons, switches or indications

→Cross-reference

Important note

Non-compliance can result in malfunctions or interference�

2 Safety instructions

• The device described is a subcomponent for integration into a system�

- The manufacturer is responsible for the safety of the system�

- The system manufacturer undertakes to perform a risk assessment and to

create a documentation in accordance with legal and normative requirements

to be provided to the operator and user of the system� This documentation

must contain all necessary information and safety instructions for the opera-

tor, the user and, if applicable, for any service personnel authorised by the

manufacturer of the system�

• 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 environ-

mental conditions without any restrictions�

• Only use the product for its intended purpose (→ Functions and features).

• Only use the product for permissible media (→ Technical data).

• If the operating instructions or the technical data are not adhered to, personal

injury and/or damage to property may occur�

• The manufacturer assumes no liability or warranty for any consequences

caused by tampering with the product or incorrect use by the operator�

• Installation, electrical connection, set-up, operation and maintenance of the unit

must be carried out by qualified personnel authorised by the machine operator�

• Protect units and cables against damage�

3 Functions and features

This is a class A product� This product may cause radio interference in

domestic areas�

►If required, take appropriate EMC screening measures�

3.1 Application area

The unit monitors the flow of liquid and gaseous media�

3.2 Operating principle flow monitoring

• The unit detects the flow speed to the calorimetric measuring principle and

switches the output:

- output closed if medium is flowing / output open if no medium is flowing�

This applies to the unit on delivery: output = normally open� In case of need you

can change the output to normally closed (→ 8.2). It then applies: output open

if medium is flowing�

• If the flow speed increases, the switching status changes when the switch point

is reached�

• If the flow speed falls again, the switching status changes if the value "SP

minus hysteresis" is reached�

The hysteresis changes with the flow speed and it is essentially influenced by

the set monitoring range�

It is 2��5 cm/s for the setting 5��100 cm/s (= factory setting), it increases with

higher flow speeds�

• The typical response time of the unit is 1��10 s� It can be influenced by the

setting of the switch point:

- Low switch point = quick reaction with rising flow�

- High switch point = quick reaction with falling flow�

4 Installation

Using process adapters the unit can be adapted to different process connections�

• Adapters have to be ordered separately as accessories�

A correct fit of the unit and ingress resistance of the connection are only en-

sured using ifm adapters�

• For small flow rates ifm adapter blocks are available�

4.1 Installation location

General



• The sensor tip is to be completely sur-

rounded by the medium�

• Insertion depth of the sensor: minimum

12 mm�

Recommended

• For horizontal pipes: mounting from

the side�

• For vertical pipes: mounting in the rising

pipe�

Conditional

• Horizontal pipe /mounting from the bot-

tom: if the pipe is free from build-up�

• Horizontal pipe /mounting from the

top: if the pipe is completely filled with

medium�

To avoid

• The sensor tip must not be in contact

with the pipe wall�

• Do not mount in downpipes that are

open at the bottom!

4.2 Sources of interference in the pipe system

Components integrated in the pipes, bends, valves, reductions, etc� lead to turbu-

lence of the medium� This affects the function of the unit�

Recommendation: Adhere to the distances between sensor and sources of inter-

ference:



 











 









D = pipe diameter; S = sources of interference

4.3 Mounting operation

►Ensure that the system is free of pressure during installation�

►Ensure that no media can leak at the mounting location during installa-

tion�

  









►Grease the threads of the process connection (1), adapter (2) and nut (3)�

Note: The sensor tip (A) must not be in contact with grease�

►Screw the suitable adapter into the process connection�

►Place the flow monitor onto the adapter and tighten the nut� Tightening torque

25 Nm� Ensure that the unit is correctly oriented�

5 Electrical connection

• The unit must be connected by a qualified electrician�

• The national and international regulations for the installation of electrical equip-

ment must be adhered to�

• The unit complies with overvoltage category II�

• Caution: For the output circuit the same protective measures as for the supply

circuit must be taken�

• Insert a miniature fuse according to IEC60127-2 Sheet 1 (≤ 5 A fast acting).

• The permissible potential difference between supply and output circuit is max�

300 V�

• The metal parts of the housing must be properly grounded� For this, you can,

for example, attach a grounding clip to the connector and ensure the grounding

using a potential equalisation cable�

• The design of the unit corresponds to protection class II�

• Due to the integrated EMC filters, leakage currents of typ� < 0�5 mA can flow

via the potential equalisation to the earth potential�

• If several units are used in parallel, take into account that the leakage currents

add�

• The applicable standards must be adhered to�

►Disconnect power�

►Connect the unit as follows:

A: supply circuit; B: output circuit

: safe separation

Core colours of ifm sockets:

1 = BN (brown), 2 = BU (blue), 4 = BK (black), 5 = WH (white)

For information about available sockets go to www�ifm�com�

6 Operating and display elements

 









 

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

7 Set-up and settings for water

(For media other than water → 8.1: Low flow adjustment).

►Switch on the supply voltage�

> All LEDs light and go out again step by step� During this time the output is

closed (if configured as normally open)� The unit is in the operating mode�

►Let the normal flow circulate in the installation�

►Check the display and determine further actions�

 





The factory setting is suitable for the applica-

tion�

►No further settings are required�

 





Your normal flow is below the representation

range of the display�

2 setting options:

► Change the switch point (→ 7.1).

► Carry out high flow adjustment (→ 7.2).

 





Your normal flow exceeds the representation

range of the display (LED 9 flashes)�

► Carry out high flow adjustment (→ 7.2).

You can restore the factory setting any time. (→ 8.3).

7.1 Change the switch point (optional)

For the factory setting the switch point is at LED 7� A change makes sense in the

folowing cases:

• the display shows example 2�

• the flow fluctuates much or pulsates�

• a faster response time of the unit is requested (low switch point = fast response

with rising flow, high switch point = fast response with falling flow)�

►Briefly press the pushbutton or �

> The switch point LED flashes�

►Press the pushbutton or as often as required� Each press of the push-

button shifts the LED by one position in the indicated direction�

Note: If no pushbutton is pressed for 2 s, the unit returns to the operating mode

with the newly set value�

7.2 High flow adjustment (optional)

The unit determines the existing flow as normal flow and adapts the display repre-

sentation (all LEDs except the switch point LED light green)�

►Let the normal flow circulate in the installation�

►Press the pushbutton and keep it pressed�

> LED 9 lights, after approx� 5 s it flashes�

►Release the pushbutton�

The unit is now adapted to your flow conditions� It passes into the operating mode,

the display should now show example 1�

Note: The adjustment affects the switch point: It is increased proportionally (maxi-

mum up to LED 7)�

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