IFM Electronic Efector 300 SI0556 Manual de usuario

Operating instructions

Flow monitors

SI0556

704656 / 01 08 / 2010

Contents

1 Preliminary note............................................................................ 3

1.1 Explanation of symbols.............................................................. 3

2 Safety instructions ........................................................................ 3

3 Functions and features................................................................. 4

3.1 Application area ........................................................................ 4

3.2 Flow and temperature monitoring with output S1...................... 4

3.3 Temperature monitoring with output S2..................................... 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................................................... 7

7 Set-up and settings for water........................................................ 8

7.1 Change switch point SP1 (flow monitoring), optional ................ 8

7.2 High flow adjustment (optional) ................................................. 9

7.3 Set the switch point SP2 (temperature)..................................... 9

8 Additional settings (optional)....................................................... 10

8.1 Low flow adjustment................................................................ 10

8.2 Configure the switching outputs .............................................. 10

8.3 Restore the factory setting (reset) ........................................... 11

8.4 Lock / unlock the unit............................................................... 11

9 Error during adjustment.............................................................. 12

10 Operation.................................................................................. 12

10.1 Indication of the current temperature and switch point SP2.. 12

10.2 Operating indicators .............................................................. 13

10.3 Interference indicators........................................................... 13

12 Scale drawing........................................................................... 14

13 Technical data .......................................................................... 14

1 Preliminary note

1.1 Explanation of symbols

►Instruction

> Reaction to the action

→Reference to another section of this document

Important note, especially to be adhered to

Important note on the electrical connection

LED lights green

LED lights orange

LED lights red

LED flashes

2 Safety instructions

• Please read the product description prior to set-up of the unit. Ensure that the

product is suitable for your application without any restrictions.

• Improper or non-intended use may lead to malfunctions of the unit or to un-

wanted effects in your application.

• That is why installation, electrical connection, set-up, operation and mainte-

nance of the unit must only be carried out by qualified personnel authorised by

the machine operator.

3 Functions and features

3.1 Application area

The unit monitors the flow and the temperature of liquid and gaseous media.

3.2 Flow and temperature monitoring with output S1

The unit detects the flow velocity and the current medium temperature. It links the

two measured signals (logical function: AND) and switches output S1:

output S1

flow≥switchpointSP1andmediumtemperature≥switchpointSP2 closed

•flow < SP1 or

•temperature < SP2 or

•flow < SP1 and temperature < SP2

open

This applies to the unit on delivery: output = normally open. If necessary you can change the

outputstonormallyclosedfunction(→8.2).Itthenapplies:outputS1openifflow≥switch

pointSP1andmediumtemperature≥switchpointSP2.

On flow monitoring function:

• If the flow velocity increases, signal SP1 changes when the switch point is

reached.

• If the flow velocity falls again, signal SP1 changes when the value “SP1 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.

3.3 Temperature monitoring with output S2

The unit detects the current medium temperature and switches the output S2:

- OutputS2closedifmediumtemperature≥SP2/outputopenifmedium

temperature < SP2.

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

canchangetheoutputstonormallyclosed(→8.2).Itthenapplies:outputS2

openifmediumtemperature≥SP2.

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

ensured 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

interference:



 











 









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

equipment must be adhered to.

Voltage supply to EN 50178, SELV, PELV.

►Disconnect power.

►Connect the unit as follows:



















 

S1: flow and temperature monitoring; S2: temperature monitoring

Core colours of ifm sockets:

1 = BN (brown), 2 = WH (white), 3 = BU (blue), 4 = BK (black)

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 flow switch point (S1) (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 S1 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 for flow

monitoring.

 





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 switch point SP1 (flow monitoring), optional

For the factory setting the switch point is at LED 7. A change makes sense if:

• the display shows example 2.

• the flow fluctuates much or pulsates.

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

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

►Briefly press the pushbutton .

> 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).

7.3 Set the switch point SP2 (temperature)

►Briefly press the pushbutton .

> The current temperature and the current setting of the switch point are indi-

catedfor5secondsinstepsof10°C(→10.1).



Row of LEDs red = current temperature,

LED green or orange = current switch

point .

LED green if OUT = OFF; LED orange if OUT = ON

►Briefly press the pushbutton within 5 s another time.

> The current setting of the switch point is displayed in steps of 1°C and can be

changed.



LED green = 1st digit (10 times X °C)

LED green, flashing = 2nd digit (X °C)

here: 51°C.

LED green if OUT = OFF; LED orange if OUT = ON.

In addition the current temperature is indicated in steps of 10°C by red LEDs.

►Press the pushbutton or as often as required. Each press of the

pushbutton shifts the flashing LED (1st digit) by one position in the indicated

direction.

 

After LED 9 has been reached the cycle starts again at LED 0. The LED which

is constantly lit (2nd digit) moves on by one position to the right (if pushbutton

is used).



After LED 0 has been reached the cycle starts again at LED 9. The LED which

is constantly lit (2nd digit) moves on by one position to the left (if pushbutton

is used).

 

Note: 5 s after the last press of the pushbutton the display returns to the tempera-

ture and switch point display mode (step 1). After another 5 s the unit goes to the

operating mode with the newly set value.

8 Additional settings (optional)

8.1 Low flow adjustment

If the unit is used in media other than water, you should additionally adapt the unit

to the minimum flow.

Note: The following adjustment must only be carried out after the high flow adjust-

ment.

►Let the minimum flow circulate in the installation or ensure flow standstill.

►Press the pushbutton and keep it pressed.

> LED 0 lights, after approx. 5 s it flashes.

►Release the pushbutton. The unit adopts the new value and passes into the

operating mode.

8.2 Configure the switching outputs

The unit is delivered as normally open. In case of need you can change the

outputs to normally closed (the changing applies to both outputs):

►Press the pushbutton for at least 15 s.

> LED 0 lights, after approx. 5 s it flashes.

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