Note: The number of the terminal block is printed on the motherboard, and the wiring can be operated with reference to this figure.

The hollowbolt, washer and sealing rng are put around the cable, andthe cable will passthrough the cable lead-inhle. The cable connection length is ensured, and the sealing ring and washer are put into the cable lead-in hole and the hollow nut is tightened.Explosion-proof converter cable needs to be fited with explosion-proof conduit.

△ Note:Please power off when connecting in explosive gas atmospheres!

A. RS232 wiring

B. RS485 wiring

C. HART wiring

E. Alarm output wiring

Alarm wiring 1

F. Contact input wiring

Open collector(or ground contact)

G.Interface with PLC

Schematic diagram of PLCinterface (+Ve is common terminal)

H. Current output wiring

Standard current output wiring diagram

1. Power supply wiring

12.4ElectricalconnectionofMFLconverter

The enclosure must be effectively grounded

Power supply wiring

DC power supply connection diagram DC24V)

Voltage signal or logic signal

13. Flange Dimensions

The following flange dimensions meet the GB/T9119-2010 standard

Slip-on-welding plate steel pipe flanges with flat face (FF)

Slip-on-welding plate steel pipe flanges with raised face (RF)

Unit: mm

Unit: mm

Unit: mm

The following flanges conform to GB/T 9115.1V1-2000 standard

14. Diameter, Velocity and Flow

(Only 1~20m/s flow rate comparison table is provided, which can be as low as 2m/s , and special instructions are required.)

Part II Plug-in Electromagnetic Flowmeter

1.Product Overview

1.1 Product Introduction

The MFP plug-in electromagnetic flowmeter is a new type of fluid flowmeter developed on the basis of pipeline electromagnetic flowmeter.On the basis of retaining the advantages of the pipeline electromagnetic flowmeter, aiming at the disadvantages of the pipeline electromagnetic flowmeter, such as difficult installation on large pipeline and high cost, according to the principle of NIKURADS principle, the volume flow of the fluid is obtained by measuring the average flow rate of the fluid by electromagnetic method. Especially after adopting the technology of tapping under pressure and installation under pressure, the plug-in electromagnetic flowmeter can be installed without stopping (water), or on cast iron pipes and cement pipes. The successful development of plug-in electromagnetic flowmeter provides a new means for the detection of fluid flow.

Different from the general electromagnetic flowmeter, the sensor of the plug-in electromagnetic flowmeter forms an external emission magnetic field on the outside,and the measuring electrode is at the end or both sides of the sensor as shown in the following figure. It is worth noting that the induction signal of electromagneticvelocitysensorwithexternalemission magnetic field is affected by the boundary layer thickness of fluid and magnetic field, which will reduce the linearity of measurement.For the MFP plug-in electromagnetic flowmeter, the conductive liquid in the pipeline is the conductor moving in the magnetic field, and the distance between the two electrodes is the length L of the conductor.

Its induced voltage is proportional to the average flow rate.At this time, the fluid flow in the pipeline can be obtained from:Formula (1)

Q=πD²U/4KBL D: Inner diameter of the measuring pipe U: Induced voltage B: Magnetic induction intensity K: Coefficient related to magnetic field distribution

1.2 Scope of application

Plug-in electromagnetic flowmeter is composed of sensor and converter,which is used to measure conductive liquid. The conductivity should be greater than {5\upmus}/{cm} ，and it can be used to measure water, sewage, acid, strong alkali and other media. It is mainly used to measure the instantaneous flow and volume flow of conductive liquid in large and medium-sized pipelines in tap water,petrochemical industry and other industries, and isespeciallysuitablefor flowmeasurement in metallurgy, paper making and sewage treatment industries.

1.3 Product composition

A complete set of MFP plug-in electromagnetic flowmeter consists of sensor and converter.According to different IP grades and parameter setting forms, there are twoforms:integratedinstallationofsensor andconverter and split installation of sensor and converter.

Integrated installation refers to connect the sensor and the converter internally to form a whole, and directly output the current signal or frequency signal which has a linear relationship with the flow.This method is completed at the factory, and all parameters have been adjusted according to the user's requirements.

Split installation refers to connect the sensor and the converter through an external shielded cable, and the two parts form a complete electromagnetic flowmeter, as shown in the figure. The parameters of the converter can be adjusted according to the user's requirements and process data, which is suitable for submerged and other occasions.

forward andreverse directions canbe measured,which provides good means for accurate flow measurement.

4) The flow measurement is only related to the insertion depth,so the flowmeter has wideversatility and strong interchangeability. One model can meet the fluid measurement requirements of pipelines of various specifications.

5) The converter has good interchangeability, and the accuracy can be achieved without re-calibrating the real flow.

6)Small signal excisionfunction.The user can set the lower limit voltage and lower limit flow through the display panel, so as to cut off the interfering small signal flow.

7) Converters and sensors have a variety of IP grades and installation methods, with IP68 rating suitable for submerged installation.

1.4 Service conditions

Ambient temperature: -40°C~\ 65°C Whenthe temperature is lower than -20°C the display unit may not work normally

AC( 100~~~230 0 ±15%V 47Hz~440Hz 0 DC11V\~40V, maximum power consumption is 20VA;

Ambient humidity: 5%-95% Maximum medium temperature: 60°C

1.5Instrument Characteristics

1）Plug-in electromagnetic flowmeter is easy to install, does not need to cut off, and can open holes under pressure on site, which has absolute advantages in installation and price.

2) It is suitable for water, sewage, acid, strong alkali and other liquid flow detection with conductivity of

5us/cm or more, the change of conductivity does not affect the change of performance, and it is very adaptable to the complex changes of fluid. It is especially suitable for flow measurement of water supply and drainage pipelines.

3）The measurement accuracy class is Class 1 (under reference conditions),and theflowinboth

1.6 Notes for Ordering

Please read this document before ordering, understand the model and coding regulations of the product, and determine the model and specifications as needed. If necessary, the following requirements are also indicated:

1)Parameters required to be set before the product leaves the factory, such as the upper limit of flow range or the corresponding upper limit of flow rate. 2） Whether there are requirements for immersion use; 3) Other special requirements. 4)Installation under pressure is limited to normal temperaturewaterbelow2MPa.

2.MainTechnicalParameters U

3. Overall Dimensions

3.1 Sensor dimensions

The sensor is fixed by flange connection. Firstly, the length of the connecting pipe of the base is calculated accordingtothepipediameter,and thenthebase is welded to the pipe opening. When welding, absolute attention should be paid to the correct orientation and correct insertion depth of the screw hole of the base flange to ensure that the direction of the sensor probe is perpendicular to the direction of the fluid.The connecting pipe of the base shall not exceed the inner wall of the pipeline to be measured, and can only be inserted andinstalled afterburr removal.

See the figure for specific dimensions and material specifications.

Installationprinciple:Ensure the depth of the electrode inserted into the water pipe

H{=}(d{-}2s){x}10% namely _{A=182} (h{+S)} (i.e. 10% of the inner diameter of the pipeline)

Note: If the production device is not allowed to be cut off, it can be installed under pressure.First, directly weld the base to the installation position of the pipeline to be measured, then install the root ball valve, and then open a hole with a diameter of \Phi\ 42\mm~\Phi\ 45\mm After opening the hole, close the ball valve so that the fluid will not overflow, then connect the seal provided by the manufacturer, and then install the sensor. (Installation under pressure will not affect normal production). See the figure for specific dimensions and material specifications.

Installation principle:Ensure the depth of the electrode inserted into the water pipe as

H{=}(d{-}2S){x}10% so that X=L-90-8-S-(d-2S) 1x10% (i.e. 10% of theinner diameter of the pipeline)

3.2Converter size

The MFP plug-inelectromagnetic flowmeter converter is common to the pipeline converter ofour company.Please refer to the introduction of specific dimensions of pipeline converter previously.

4.Selection of Sensors

4.1 Caliber

The plug-intpeis related to thener diameterofthe pipeline, and theuserneeds to provide thedataoftheir diameter of the pipeline so as to provide the coresponding piping. Note: The iner diameter of the pipline is DN20- DN3000). The plug-in electromagnetic flowmeter of our company has a minimum diameter of DN100, but compared with the pipline elctrmagnetic flowmeter it has noobious advantage inprice and accuracy soit is suggestd that the pipeline type be used.

4.2Selectionofstructuralmaterials

4.3Selectionofelectrodematerials

Theselectionfelectrodematerials shouldbedeterminedbytheuser according tothecorrosiveness ofthemeasured medium, and the user can refer to the relevant anti-corrosion manual. This document is for reference only.

4.4 Selection of IP grade

According to the national standard GB4208,the shell IP grade of instruments can be divided into the following categories:

Ip65: Water spraying type

It is allowed to spray water on the instrument from any direction with a faucet, with the water spraying pressure of 30{kPa} ，the water output of 12.5L/Min and thenozzledistance of 3m from the instrument.

Ip67: Immersed type

The immersed instrument can be completely immersed in water (lm underwater) in a short time, with duration of 30min ：

Ip68: Submersible type

Submersible type can work underwater for a long time (5m underwater), and the maximum depth shall be negotiated with the manufacturer.

IP grade shall be selected according to the above requirements and actual conditions of instruments. If the instrument is installed under the ground and often flooded, or if the instrument is installed on the ground with high air humidity, it is advisable to choose the split type, sensor IP68 and converter in the protective box or indoors.

4.5SelectionofCable

In principle, the distance between the sensor and the converter should be as short as possible, so that the converter is as close to the sensor as possible.The distance between the sensor and the converter is determined by the signal distribution capacitance and the conductivity of the liquid to be measured,and the measured medium must be a conductive liquid with a minimum conductivity of {5\upmus}/{cm} This is equivalent to the conductivity of deionized water.Generally, the conductivity of tap water and raw water is between 15 \upmus/\upmathrm{cm} and 500~{\upmus}/{\upmathrm{cm}} ，

Note:The longest cable cannot exceed 30m

4.6Selection ofjunctionboxseal

The outgoing line sealing method of junction box is M20^{*}1.5 sealing sleeve to seal the cable.

The commonly used M20^{*}1.5 sealing sleeve has the same codes 1 and 5 in the selection table, but the difference is that code1requires the cable tobe connected and filled with sealant before the product leaves the factory, while code 5 requires the user to complete these tasks.

4.7 System earthing

The electromagnetic flowmeter detects that the flow signal received by the electrode is very weak, so external interference has a great impact on it. Therefore, good earthing effect largely determines the measurement accuracy and stability of theflowmeter.The measured fluid acts as an electrolyte conductor and other unrelated electromagnetic interference must be excluded. Usually, the flowmeter is installed on a metal pipeline,which must be connected to the sensor for earthing.

4.8 Operating environment

Requirements of flowmeter for external environment

a.The flowmeter should be avoided to be installed in places with great temperature changes and exposed to high temperature radiation of equipment. If it must be installed, measures of heat insulation and ventilation should be taken. b.The flowmeter should be installed indoors. If it must be installed outdoors, rain pouring, water flooding and sun exposure should be avoided, and moisture-proof and sun protection measures should be taken. c. The flowmeter should be avoided to be installed in an environment containing corrosive gas, and ventilation measures should be taken when it must be installed. d.There must be sufficient installation space around the flowmeter in order tofacilitate installation and maintenance. e.Strong magnetic fields and strong vibration sources should be avoided in the installation place of theflowmeter. If the pipeline vibrates greatly, there should be supports for fixing the pipeline on both sides of the flowmeter.

5.Selection ofSensorInstallation Position

The sensor can be installed anywhere on the measured pipeline, but the pipeline must be completely filled with medium. The sensor can be installed on horizontal, inclined and vertical pipeline. If installed on a horizontal pipeline,it should be installed as shown in the following figure as far as possible.This installation method ensures that the electrode will always be immersed in the fluid and any bubbles will rise to the top.So that the electrodes are not insulated.When it is used for liquid which is easy to produce sediment, the sensor cannot be installed at thebottom of thehorizontal pipeline toprevent sediment from covering theelectrode.

Note

To begrounded,otherelectrical equipment shouldnotbeconnected tothesameground wire,andthegroundingresistanceshouldbe less than10ohms

Correct position

During installation, the flow direction of fluid shall be ensured to be perpendicular to the drawing surface.

The sensor shall be installed on the pipeline full of medium, and there is always the possibility of swirling flow on the pipeline half full. It is also dangerous to install behind valves, elbows and tee joints. Because they are the root of the vortex. Therefore, the straight pipe section infront of the sensor is required to be at least > 10D, and the straight pipe section behind the sensor is > 5D. This avoids vortex and improves measurement accuracy.If the accuracy is required to be within 15% 6 the straight pipe section in front of the sensor should be >30D and the straight pipe section behind the sensor should be >10D during installation.

6.Electrical Connection

The MFP plug-in electromagnetic flowmeter converter iscommontotheFlowMaster pipeline electromagnetic flowmeter converter of our company. Please refer tothe introduction of the electrical connectionof pipelineelectromagneticflowmeter converter previously.

7. Selection Table of MFPPlug-in

The MFPplug-inelectromagnetic flowmeterconsists ofasensor and aconverter andits mdelisexpressed as follows:

oel

PartIl Specification and Selection of Accessories

1. FMS-1 Velocity AnalogSignal Generator

1.1 Model and meanings

1.3 Main technical parameters

1） The simulator can work normally under the following conditions:

a) The ambient temperature is -25°C~65°C b) The air relative humidity is 5%~85% c) The atmospheric pressure is 86{kPa}~108{kPa} d) The external magnetic field strength is not more than 400A/M e) The mechanical vibration frequency is not more than 25Hz f) The mechanical vibration amplitude is not greater than 075mm . g) The working voltage is 6{V~9{VDC}} h) The ambient air does not contain any medium that corrodes nobelium and nickel coatings, nonferrous metals and their alloys, and inflammable and explosive substances.
2) The basic error limit of the flow rate simulator is 15%
3) Flow rate direction: Positive (FWD) and negative (REV);
4) Flow rate range: 05m/s~200m/s ，
5) Working voltage: 9VDC.

1.2 Purpose and scope of application

FMS-1 is a kind of flow rate analog signal generator (hereinafter referred to as simulator),which can be used together with our products (converter).In the process of detecting and initializing the converter, this product can accurately and stably simulate the flow rate, and detect and modify the parameters of the converter. The main components of the simulator are CMOS integrated circuit and precision resistance, with the advantages of low power consumption, accuracy, large flow rate range and convenient use.

1.4 Usage and fault diagnosis

a) Connectthecable correctlytothesimulator and theconverter accordingtothefollowingfigure.

b）Turn on the super terminal of the computer to establish a connection between the computer and the converter.

c)Turnon thesimulator andsetitinFWDposition (as shown below)to measure theforwardflowrate;set it in REV position to measure the negative flow rate, and read and record the flow rate data after the flow rate at each point is stable.

d)Turn on the simulator. If CD1 and CD2 dont flash, first check whether the line connection is correct andreliable,especially the excitation line of the converter. If the line connection is correct, there is a problem with the internal circuit of the converter.

e)After recording the data,the LINEST function can be called toverify theD1 parameter of the converter and input the D1 value into the converter to complete the parameter setting of the converter.

f) Every 20 minutes or so, BATT will stop flashing, which is a normal timing function.If you want to continue to use it, you need to turn the knob to ZERO OFF and then to the positive and negative positions to restart the simulator. If the BATT stops flashing in less than 10 minutes, it proves that the battery voltage is not enough, and the battery needs to be replaced.

2.MeasuringRangeofMFElectromagnetic

SpecificationSheet ofBoltsforElectromagnetic Flowmeter Sensor (Flange Type)

Code Table for High-end Intelligent Accessories

ReferenceTablefor AnticorrosiveMaterials

Ordering Consultation Form

Ordering Consultation Form of Electromagnetic Flowmeter

Purchaser: Address: Contact. Tel:. Qty:

Address:No.61,Middle Section of Huangshan Avenue, New North Zone,Chongqing, China
Saleshotline:023-67032678
Tel.:023-67032666
Technical support: 023-67032695 023-67032667
Fax:023-67032676
Postal code:401121
Website:www.cqcy.com
Email:flowmaster@sicc.com.cn
flowmaster@sicflow.com.cn