Aktek AFLO Manuale utente

USER’S GUIDE

Installation & Operation

Instructions

Electromagnetic Flow Meter

Model ALIT-BT

AFLO-Electromagnetic Flow Meter

INDEX

1.Introduction…………………………………………………………………………………………….3

1.1. Sensor……………………………………………………………………………………………………………………....3

1.2. Transmitter………………………………………………………………………………………………………………..4

2. Technical Specifications………………………………………………………………………….4

3. Technical Drawings ……………………………………………………………………………… 5

4. Wiring ……………………………………………………………………………………………………7

4.1. Compact type Terminal …………………………………………………………………………………………….……7

4.2. Remote type Terminal ……………………………………………………………………………………………………9

5. Digital outputs……………………………………………………………………………………..12

6. Operating…………………………………………………………………………………………….13

6.1.Compact Transmitter Display …………………………………………………………………………………….…13

6.2.Remote Transmitter Display ……………………………………………………………….…………………..……13

6.3. Keys Functions…………………………………………………………………………………………………….….….14

6.4. Functions select menu………………………………………………………………………………………….……..14

6.5. Parameters Configuration ………………………………………………………………………………………..….14

6.5.1.Passwords………………………………………………………………………………………………….…….…16

6.5.2. Details Parameters ……………………………………………………………………………………………16

6.6. Alarm information ……………………………………………………………………………………………………….21

7. Troubleshooting .………………………………………………….……………………………..21

7.1. No display…………………………………………………………………………………………………………………...21

7.2. Exciting alarm ……………………………………………………………………………………………………………..21

7.3.Empty pipe alarm………………………………………………………………………………………………………….22

8. MOUNTING CONDITIONS.......................................................................22

9. SHIPPING AND STORAGE CONDITIONS…………………………………………………23

AFLO-Electromagnetic Flow Meter

1. Introduction

AFLO electromagnetic flowmeters offer reliable, precise and inexpensive flow measurement on all

electrically conductive liquids. Typical applications are found in all industries. E.g.:

Water sector: Potable water, treatmentof chemicals,waste waterand sludge.

Food sector:Dairyproducts,beer, wine,soft-drinks andfruit juices.

Chemicalsector:Detergents,pharmaceuticals,acids andalkalies.

Other sectors:Districtheating,paperpulpandminingslurries.

The flow measuring principle is based on Faraday’s law of electromagnetic induction.

Figure (1)

Ui = Whenan electricalconductoroflengthL is moved atvelocity v, perpendiculartothelines of

flux through a magneticfieldof strengthB, the voltage Ui is inducedatthe ends of the conductor

Ui = L x B x v

Ui = Induced voltage

L = Conductorlength= Inner pipediameter= k1

B = Magnetic fieldstrength= k2

v = Velocity of conductor(media)

k = k1 x k2

Ui = k x v, the electrode signal is directly proportional to the fluid velocity

1.1.SENSOR

The sensorconverts theflow into anelectricalvoltage (Ui) proportionaltothe velocity ofthe flow.

The sensoris builtupof a stainlesssteelpipe,2coils,electrodes,anisolatingliner,housing and

where applicable,connectingflanges.

AFLO-Electromagnetic Flow Meter

1.2.TRANSMITTER

The transmitter consists ofanumberof function blocks whichconvert the sensorvoltageintoflow

readings.

Figure (2)

2. Technical Specifications

Transmitter

Fluid conductivity

≥5 μS / cm

Accuracy

±0.5%

Keypad

4 controlbuttons

Ambient Temperature

-20…+60 ˚C

Output

0-10mA, 4-20mA, Frequency, Pulse

Communication

RS485 MODBUS

Display

3 Lines LCD

PowerSupply

85…250 VAC 45…63Hz 20W,

20…36 VDC or battery powered

Protection

IP67

Totalizer

Forward, reverse andnet totalizer

Sensor

Nominal Size mm

DN10…DN3000

Nominal Pressure

PN6,10,16,25,40

Liner

Neoprene,PTFE, FEP, HardRubber,Polyurethane

Electrodes

AISI 316LSt. St., Hastelloy,Titanium,Tantalum,Platinum-Iridium

Operating temperature

-20...+80 °C (hard rubber) -20...+120 °C (with Teflon and awayfrom the

transmitterinstallation)

Measuring Tube

Stainless steel

Body Material

CarbonSteel

Protection

IP 67/ IP 68(for remoteversion)

AFLO-Electromagnetic Flow Meter

3. Technical Drawings

Figure (3)

Figure (4)

AFLO-Electromagnetic Flow Meter

Dimensions according to Nominal Pressure Value for Remote and Compact Type

Figure (5)

Dimensions(Pressure 1.6MPa)

Dimensions(Pressure 4.0MPa)

Weight

200

160

105

200

167

115

200

169

140

100

140

100

200

185

150

110

150

110

200

193

165

125

165

125

200

206

185

145

185

145

250

224

200

160

200

160

250

241

100

220

180

235

190

250

263

125

250

210

270

220

250

295

150

285

240

300

250

300

325

Pressure 1.6 Mpa

Pressure 1.0MPa

200

340

295

340

295

350

383

250

405

355

395

350

450

440

300

460

410

445

400

500

498

350

520

470

505

460

500

553

100

400

580

525

565

515

500

608

160

450

640

585

615

565

550

665

170

500

715

650

670

620

550

727

210

600

840

770

780

725

600

840

240

Pressure 1.0 MPa

Pressure 0.6MPa

700

895

840

860

810

700

895

270

800

1015

950

975

920

800

1002

900

1115

1050

1075

1020

900

1107

1000

1230

1160

1175

1120

1000

1222

1200

1405

1340

1200

1437

1400

1630

1560

1400

1663

1600

1830

1760

1600

1863

1800

2045

1970

1800

2072

2000

2265

2180

2000

2282

2200

2475

2390

2200

2487

2400

2685

2600

2400

2636

2600

2905

2810

2600

2836

2800

3115

3020

2800

3036

3000

3315

3220

3000

3236

AFLO-Electromagnetic Flow Meter

4. Wiring

4.1.Compact type Terminal

Figure (6)

I+: Output Current for Flow Measurement G: RS232 Communication Ground

COM：Output Current (Ground) for Flow Measurement L1：220V（24V）Power Supply

P+：Frequency(Pulse) Output for Bi-directional Flow L2：220V（24V）Power Supply

COM：Frequency (Pulse) Output (Ground)

AL：Alarm Output for Low Limit

AH：Alarm Output for Upper Limit

COM：Alarm Output (Ground)

FUSE：Fuse for Power Supply

T＋： +Communication Input Signal(RS485-A)

T－： -Communication Input Signal(RS485-B)

AFLO-Electromagnetic Flow Meter

Signal lines labels in compact type

Figure (7)

White twisted-pair cable (for exciting current)

12 Conductors (Red)

12 Conductors (Black)

Grey shielded twisted-pair cable

10 Conductors (Red) connected to “Signals 1”

13 Conductors (White) connected to “Signals 2”

Shielded Conductor connected to “Signal Ground”

AFLO-Electromagnetic Flow Meter

4.2.Remote type Terminal

Figure (8)

SIG 1 Signal 1

SGND Signal Ground

SIG 2 Signal 2

DS1 Shielded Exciting 1

DS2 Shielded Exciting 2

EXT+ Exciting Current+

EXT- Exciting Current-

VDIN Current two lines 24V Spots

ICOUT Analog Current Output

ICCOM Analog Current Output Ground

POUT Flow Frequency (Pulse) Output

PCOM Frequency (Pulse) Output Ground

ALMH Upper Limit Alarm Output

ALML Low Limit Alarm Output

ALCOM Alarm Output Ground

TRX+ Communication Input (RS485-A)

TRX- Communication Input (RS485-B)

TCOM 232 Communication Ground

To Separate Model Sensor

Analog Current Output

Frequency (Pulse) Output

Communication Input

Two Alarm Outputs

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