Promesstec CFS 100 Manuel utilisateur

promesstec GmbH I Niedersachsenstraße 4 I D- 48465 Schüttorf I Tel.:+49 (0)5923/ 90 229 0 I Fax:+49 (0)5923/ 90 229 29

E-Mail: office@promesstec.com I Internet: www.promesstec.com

User manual

Flow sensor CFS 100

version 2.1.2

promesstec GmbH I Niedersachsenstraße 4 I D- 48465 Schüttorf I Tel.:+49 (0)5923/ 90 229 0 I Fax:+49 (0)5923/ 90 229 29

E-Mail: office@promesstec.com I Internet: www.promesstec.com

Content

1. General................................................................................................................ 3

1.1 Description .....................................................................................................3

1.2 Symbols and abbreviations ............................................................................3

2. Transport, packaging and storage...................................................................... 4

2.1 Transport........................................................................................................4

2.2 Packaging.......................................................................................................4

2.3 Storage...........................................................................................................4

3. Safety instructions............................................................................................... 4

3.1 Intended use of the product............................................................................4

3.2 Personnel qualification ...................................................................................5

3.3Special hazards..............................................................................................5

4. Starting, operation............................................................................................... 6

4.1 Process connection........................................................................................6

4.2 Outdoor-Bedingungen....................................................................................6

4.3 Interference sources.......................................................................................6

4.4 Vibration.........................................................................................................7

4.5 Correct installation position ............................................................................7

4.6 Installation ......................................................................................................8

4.7 Electrical installation.......................................................................................8

4.7.1 Electrical connection................................................................................8

4.7.2 NO/NC contact.........................................................................................9

4.8 Starting up....................................................................................................10

5. Adaptation and control....................................................................................... 12

6. Technical data................................................................................................... 13

7. Dimensions........................................................................................................ 14

7.1 Accessories..................................................................................................14

8. Dismounting, Return, Cleaning, Disposal......................................................... 15

8.1 Dismounting .................................................................................................15

8.2 Return...........................................................................................................15

8.3 Cleaning.......................................................................................................15

8.4 Disposal........................................................................................................15

promesstec GmbH I Niedersachsenstraße 4 I D- 48465 Schüttorf I Tel.:+49 (0)5923/ 90 229 0 I Fax:+49 (0)5923/ 90 229 29

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1. General

1.1 Description

The flow meter CFS 100 is designed for liquids and is based on the calorimetric

measuring principle, according to which the flow rate of the measured liquid is

proportional to the function of heat transfer from the sensor to the surroundings.

Prompt and simple installation and lower costs thanks to its simple construction

are the principal advantages.

The sensors are not restricted by the electrical conductivity of the liquid. Owing to

the calorimetric measuring principle used, the measurement is dependent on

thermal conductivity of the liquid. The meter can reach its highest sensitivity within

the range of 4 ÷ 150 cm/s for use with water. For other liquids with different ther-

mal conductivity, the measuring range is different. The measuring range can be

modified by user to a certain extent, whereas it holds true that the lower thermal

conductivity of medium, the higher flow rates can be measured.

1.2 Symbols and abbreviations

Warning!

A non-observance can cause injuries to persons and/or the demoli-

tion of the device. There can be a dangerous to life.

Attention!

A non-observance can cause a faulty operation of the device or lead

to property damage.

Info!

A non-observance can have influence on the operation of the device

or cause unintentional reactions of the device.

Danger!

Should the safety instructions not be observed, there is a risk of se-

rious or fatal injury caused by electrical power.

Warning!

Possibly a dangerous situation can occur, which results in burns

because of hot surfaces or liquids, if not avoided.

Flow sensor CFS 100

promesstec GmbH I Niedersachsenstraße 4 I D- 48465 Schüttorf I Tel.:+49 (0)5923/ 90 229 0 I Fax:+49 (0)5923/ 90 229 29

E-Mail: office@promesstec.com I Internet: www.promesstec.com

2. Transport, packaging and storage

2.1 Transport

Check the instrument for any damage that may have been caused during transpor-

tation. If, report them immediately. The temperature during transportation and

storage of the meter must be within the range of -10 °C up to 80°C.

2.2 Packaging

Do not remove packaging until just before mounting. Keep the packaging as it will

provide optimum protection during transport (e.g. change in installation site, send-

ing back).

2.3 Storage

For longer term storage avoid the following influences:

1. Direct sunlight or proximity to hot objects

2. Mechanical vibration, mechanical shock (putting it hard down)

3. Soot, vapor, dust and corrosive gases

If possible store the device in original package or an equivalent one.

The temperature during transportation and storage of the meter must be within the

range of -10 °C up to 80°C.

3. Safety instructions

More important safety instructions can be found in the individual

chapters.

3.1 Intended use of the product

The sensor has been designed and built solely for the intended use described

here and may only be used accordingly. The technical specifications contained in

these operating instructions must be observed. Improper handling or operation

of the instrument outside of technical specifications requires the instrument to be

taken out of service immediately and an inspection by the manufacturer. When the

instrument is transported from a cold into a warm environment, the formation of

condensation may result in the instrument malfunctioning. Before putting it back

into operation, wait for the instrument temperature and the room temperature to

promesstec GmbH I Niedersachsenstraße 4 I D- 48465 Schüttorf I Tel.:+49 (0)5923/ 90 229 0 I Fax:+49 (0)5923/ 90 229 29

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equalize. The manufacturer shall not be liable for claims of any type based on op-

eration contrary to the intended use.

3.2 Personnel qualification

Improper handling can result in considerable injury and damage to

equipment.

- The activities described in these operating instructions may only

be carried out by skilled personnel who have the qualifications de-

scribed below.

- Keep unqualified personnel away from hazardous areas.

For installation and starting of the temperature sensor the personnel has to be fa-

milar with the relevant regulations and directives of the country and must have the

qualification required. They must have knowledge on measurement and control

technology, have to be acquainted with electric circuits, are capable of carrying out

the work described and can independently recognize potential hazards. Depend-

ing on the operation conditions of the application they have to have the corre-

sponding knowledge, e.g. of aggressive media.

3.3 Special hazards

For hazardous media such as oxygen, acetylene, flammable or tox-

ic gases or liquids, refrigeration plants, compressors, etc., in addi-

tion to all standard regulations, the appropriate existing codes or

regulations must also be followed.

If you do not observe the appropriate regulation, serious inju-

ries and/or damage can occur!

A protection from electrostatic discharge (ESD) is required. The

proper use of grounded work surfaces and personal wrist straps is

required when working with exposed circuitry (PCB, printed circuit

boards), in order to prevent static discharge from damaging sensi-

tive electronic components.

There is a danger of death caused by electric current. Upon contact

with life parts, there is a direct danger of death. Electrical instru-

ments may only be installed and connected by skilled electrical per-

sonnel. Operation using a defective power supply unit (e.g. short

circuit from the mains voltage to the voltage output) can result in

life-threatening voltages at the instrument.

promesstec GmbH I Niedersachsenstraße 4 I D- 48465 Schüttorf I Tel.:+49 (0)5923/ 90 229 0 I Fax:+49 (0)5923/ 90 229 29

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Residual media in dismounted instruments can result in a risk to

personnel, the environment and equipment. Take sufficient precau-

tionary measures. Do not use this instrument in safety or Emergen-

cy Stop devices. Incorrect use of the instrument can result in injury.

Should a failure occur, aggressive media with extremely high tem-

perature and under high pressure or vacuum may be present at the

instrument.

4. Starting, operation

4.1 Process connection

The flow meter monitor is usually delivered with a stainless steel sleeve nut

M16x1.5 and with installed stainless steel cutting ring in the position that allows

maximum insertion of the sensor into piping. After installation of the stainless steel

cutting ring onto the sensor, it is not possible to change the depth of insertion of

the sensor into piping; it is only possible when the PTFE ring is used special order

necessary.

The accessories to the flow sensor may include various necks (adapters) serving

for process installation and M12 (4-pin) connectors for electrical connection.

4.2 Outdoor conditions

It is necessary to prevent the flow sensor from being directly exposed to weather

conditions and prevent the liquid to be measured from freezing over inside the flow

sensor, which might damage the measuring tube.

In the case that the unit is located outdoors, promesstec recommends a protective

case, and if appropriate, a roof to avoid direct sunshine so that the evaluation elec-

tronics cannot warm up excessively.

4.3 Interference sources

The most frequent interference sources affecting the stable flow of liquid are as

follows:

-Pumps and bends or elbows located closely one after another in various

planes. These elements should be found at least at a distance of 20xd

(where d is the inside diameter of the meter in millimeters) before the flow

sensor.

-The flow of liquid in the flow detector should be settled and free of whirls.

Minimal recommended distances are 5xd before and 3xd after sensor.

-Abrupt variations of pipe cross-section if not made as a cone with an angle

of α≤10° (where αis the angle made by beveled walls of the pipe adapter).

-Whatever interfering in the flow of liquid, e.g. thermometer well.

promesstec GmbH I Niedersachsenstraße 4 I D- 48465 Schüttorf I Tel.:+49 (0)5923/ 90 229 0 I Fax:+49 (0)5923/ 90 229 29

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-When a mixture of substances is made ( or mixture of the same liquids with

different temperatures) you need to install the flow meter either before the

mixing location or at a sufficient distance after it (min.30xd), otherwise the

indication may be unstable

-Branch lines, T-pieces, bends, elbows, slide valves, taps, flaps. Shut-off

valves, control valves, butterfly valves and non-return valves. Pipe outputs

from reservoirs, exchangers and filters.

4.4 Vibration

The scope and level of vibrations must be below 2.2 g in the range of 20 ÷ 50Hz

frequencies according to IEC 068-2-34 standard.

4.5 Correct installation position

The flow detector (sensor), particularly its tip must be fully immersed (see Fig. a).

For this reason, we do not recommend installing in the highest point of piping that

may become aerated, or in sloping or even in horizontal piping with the open end

into which air may penetrate, but conversely, in rising piping (see Fig. b).

Furthermore, the distance of the sensor tip from piping should be more than 11mm

(see Fig. c).

During long-lasting measurements of very low flow rates (Q < 0.1 m/s), impurities

may be deposited. In this case, carry out installation at horizontal piping sideways

(see Fig. d).

promesstec GmbH I Niedersachsenstraße 4 I D- 48465 Schüttorf I Tel.:+49 (0)5923/ 90 229 0 I Fax:+49 (0)5923/ 90 229 29

E-Mail: office@promesstec.com I Internet: www.promesstec.com

4.6 Installation

Before mounting is started, make sure that the system is depressurized or dis-

charged. After that, install a suitable adapter to a T-piece or in some case in a

welded-on piece or right on the pipe wall with adequate thread sealing. Then in-

stall the flow monitor in the adapter. In case of the stainless steel cutting ring, the

length of insertion of the sensor in the adapter is given by the assembly of the

built-in ring and cannot be changed. The length of insertion of the sensor can only

be changed when using a ring made of PTFE. Tighten the stainless steel ring

sleeve nut with the torque of 70Nm max. (in case of PTFE ring, 50Nm max).

When installed in piping and for the most precise flow evaluation, adhere to the

orientation of the unit so that the M12 connector for electrical connection can form

an upstream edge. So the medium should run from the same side where this con-

nector is found.

4.7 Electrical installation

Always carry out any handling operations or installation of the de-

vice after disconnection of the supply voltage!!!

When the below mentioned operations are carried out unprofes-

sionally, the claim to warranty become null and void!!!

4.7.1 Electrical connection

M12 connector wiring (compact version):

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The flow monitor is equipped with a standard M12x1 connector with

4 pins.

The pin connection corresponds to the type of outputs and is shown

on the tag plate of sensor.

Standard switch contact connection:

PIN 1 –supply voltage +24V

PIN 2 –relay contact switch point

PIN 3 –supply voltage GND

PIN 4 –relay contact switch point

PIN 1 –supply voltage +24V

PIN 4 –supply voltage GND

PIN 3 –PNP contact switch point

PIN 1 - supply voltage +24V

PIN 4 - supply voltage GND

PIN 3 –NPN contact switch point

4.7.2 NO/NC contact

The manufacturer delivers the meter with the switching point set as a contact

maker unit. If the flow rate on compact version is above switching point, relay con-

tact on pin 2 and pin 4 is closed (eventually is closed PNP/NPN contact on pin 4).

If the flow rate is below switching point, relay contact is open.

In case of separate version for DIN rail and with relay output when the flow is

above switching point are pin 5 and 6 closed (eventually is closed PNP/NPN con-

tact on pin 5 according to the wiring)

The function of contact maker/breaker can be changed by user to inverted logic if

needed.

The typical response time is 1 ÷ 6sec and it is influenced by the rate of change of

flow:

-The change of flow moves close to the switching point –slower response.

-The change of flow jumps over the switching point –quick response.

promesstec GmbH I Niedersachsenstraße 4 I D- 48465 Schüttorf I Tel.:+49 (0)5923/ 90 229 0 I Fax:+49 (0)5923/ 90 229 29

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The designation of a switching point on the LED scale can be implemented in two

colors that indicate simultaneously if the switching contact is closed or open:

- Red LED –open contact

- Amber LED –closed contact

4.8 Starting up

After powering the flow switch make a self-test and self-diagnostics LED, then

goes fluently to the measuring mode.

Compact version:

first LED flashing = the last LED flashing = the the flow velocity is within

flow is below the monitor flow is above the the adjusted monitoring

monitoring range monitoring range range

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