Techfluid FLOMID-4XL Manual de usuario

R-MI-FMDXL1 Rev.: 0 english version

Series FLOMID

Sensor FLOMID-XL + Converter XL1

Instructions manual

The art of measuring

Thank you for choosing a product from Tecﬂuid S.A.

This instruction manual allows the installation, conﬁguration,

programming and maintenance. It is recommended to read it before

using the equipment.

 This document shall not be copied or disclosed in whole or in any

part by any means, without the written permission of Tecﬂuid S.A.

 Tecﬂuid S.A. reserve the right to make changes as deemed

necessary at any time and without notice, in order to improve the

quality and safety, with no obligation to update this manual.

 Make sure this manual goes to the end user.

 Keep this manual in a place where you can ﬁnd it when you need

it.

 In case of loss, ask for a new manual or download it directly from

our website www.tecﬂuid.com Downloads section.

 Any deviation from the procedures described in this instruction

manual, may cause user safety risks, damage of the unit or cause

errors in the equipment performance.

 Do not modify the equipment without permission. Tecﬂuid S.A. are

not responsible for any problems caused by a change not

allowed. If you need to modify the equipment for any reason,

please contact us in advance.

PREFACE

WARNINGS

TABLE OF CONTENTS

SERIES FLOMID

1 INTRODUCTION ........................................................................... 5

2 RECEPTION ................................................................................. 6

2.1 Unpacking .......................................................................... 6

2.2 Storage temperatures ......................................................... 6

3 HANDLING ................................................................................... 6

4 INSTALLATION ............................................................................. 6

4.1 Sensor position .................................................................. 7

4.2 Straight pipe sections ......................................................... 8

4.2.1 Mixtures ................................................................ 8

4.3 Valves ............................................................................... 9

4.4 Pumps ................................................................................ 9

4.5 Aeration ............................................................................. 9

4.6 Reduction of DN ................................................................. 10

4.7 Vibrations ........................................................................... 10

4.8 Magnetic ﬁelds .................................................................. 10

4.9 Temperature ...................................................................... 11

5 MOUNTING .................................................................................. 11

5.1 Parallelism .......................................................................... 11

5.2 Sensor earth connection ..................................................... 12

5.3 Tightening ........................................................................... 13

6 ELECTRICAL CONNECTION ........................................................... 14

6.1 Power supply wiring ............................................................ 14

6.2 Analog output wiring ........................................................... 15

6.3 Digital output wiring ............................................................ 16

7 ASSOCIATED SOFTWARE WINSMETER XL1 ................................. 18

7.1 USB cable connection and software installation ................... 18

7.2 Port connection ................................................................... 19

7.3 Password ........................................................................... 20

7.4 Access to “Installation” ....................................................... 24

7.4.1 Sensor .................................................................. 24

7.4.2 Power supply ......................................................... 24

7.5 Access to “Programming” ................................................... 25

7.5.1 Current loop .......................................................... 25

7.5.2 Units ....................................................................... 26

7.5.3 Digital output ......................................................... 26

7.5.4 Current loop calibration .......................................... 26

7.6 Visualization ....................................................................... 27

7.7 Zero ﬂow drift adjustment .................................................... 27

7.8 Datalogger ......................................................................... 28

7.9 Firmware updates ............................................................... 29

7.10 Conﬁguration ﬁle ................................................................. 30

8 MAINTENANCE ............................................................................ 31

9 TECHNICAL CHARACTERISTICS ................................................... 32

10 SAFETY INSTRUCTIONS ............................................................... 33

10.1 Pressure equipment directive .............................................. 33

10.2 Certiﬁcate of conformity TR CU (EAC marking) ..................... 33

11 DIMENSIONS ............................................................................... 34

12 TROUBLESHOOTING .................................................................... 38

ANNEX Flow rate diagram ................................................................... 39

1 INTRODUCTION

The FLOMID electromagnetic ﬂowmeters with XL1 converter are based on Faraday’s

induction law.

When an electrically conductive liquid ﬂows through a magnetic ﬁeld, perpendicular to the

ﬂow direction, it induces a voltage V proportional to the liquid velocity.

Two electrodes in contact with the liquid and positioned perpendicularly to the magnetic

ﬁeld, sense this voltage V.

The electronic converter is based on the most advanced technology in digital signal

processing, in order to obtain accurate and reliable measurements.

The device provides the following features:

 Coil excitation by means of pulsed signal to obtain a negligible zero offset.

 Pulse and current output proportional to the ﬂow rate and user programmable.

V = B·vm·D

Where:

V = Measured voltage in the electrodes

B = Magnetic ﬁeld

vm= Average liquid velocity

D = Pipe diameter

4 INSTALLATION

This should be made in a point that guarantees that the pipe is always completely full.

Avoid high points of the pipes where air pockets usually form, or pipes with falling ﬂow where

vacuums can form.

Partially full pipes can produce important reading errors.

2 RECEPTION

The FLOMID electromagnetic ﬂowmeters are supplied conveniently packaged for their

protection during transportation and storage, together with their instructions manual for

installation and operation.

All the instruments are supplied tested in our ﬂow rigs, obtaining the gain factor of each

sensor.

2.1 Unpacking

Unpack the instrument carefully, removing any remains of the packing from the inside of the

sensor. Do not remove the grease from the neck that couples to the electronics housing.

2.2 Storage temperatures

Sensors linings of: PTFE and PVDF -20ºC ...... +60ºC

PP and EBONITE -5ºC ...... +50ºC

3 HANDLING

It should always be done with care and without knocks.

The large diameter sensors have rings for holding the elevation elements. If the ﬂowmeter is

held using slings, these should hold on the sensor and not on the electronics housing (see

drawing).

4.1 Sensor position

The most adequate position is with the electrodes in a horizontal plane. In this way, deposits

of particles on the electrodes are avoided.

Flow rate measurement with open discharge makes it necessary to install the ﬂowmeter in a

pipe section with a siphon which avoids stagnation of air in the sensor.

If this distance is shorter, readings may be unstable.

In installations with turbulent ﬂow it may be necessary to increase these distances.

4.2.1 Mixtures

If liquids of different conductivities are mixed it is necessary to install the sensor a minimum

of 30 DN from the point of mixture in order to obtain a uniform conductivity of the liquid and

stabilize the readings.

4.2 Straight pipe sections

They are necessary before and after the sensor. The minimum distances are the following:

Upstream 5 DN

Downstream 3 DN

4.3 Valves

Control valves or shut-off valves should always be installed downstream from the sensor to

assure that the pipe is always full of liquid.

4.5 Aeration

If there is a point where the level difference is higher than 5 m an air inlet valve should be

installed after the sensor to avoid a vacuum effect that could damage the sensor liner.

4.4 Pumps

Pumps should be mounted upstream from the sensor to avoid the suction of the pump

(vacuum) that could damage the sensor liner.

4.6 Reduction of DN

In installations where, due to reasons of the ﬂow rate to be measured, a sensor of a smaller

DN than the pipe DN must be mounted, the reduction must be done with an angle smaller

than 4º to avoid turbulences that can give false readings.

If the angle cannot be so small, straight pipe sections indicated in 4.2 point must be kept.

4.7 Vibrations

Vibrations of the pipes should be avoided by anchoring the pipe before and after the sensor.

The vibration level should be less than 2.2 g in the range of 20 -150 Hz according to IEC

068-2-34.

4.8 Magnetic ﬁelds

Strong magnetic ﬁelds close to the sensor should be avoided.

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