Electronet ELMAG 200 Manual de usuario
NK Instruments Pvt. Ltd.
B-501/504, 5th floor, Raunak Arcade, Near THC Hospital, Gokhale Road, Naupada,
Thane(W) 400602. Maharashtra INDIA Telefax Nos.: 91-22-25301330 / 31 / 32
Skype: nitinkelkarskype Gtalk: nkinstruments2006
Authorised Dealer
ELECTRONET
USER MANUAL FOR
FULL BORE ELECTROMAGNETIC
FLOW METER
MODEL NO. :- ELMAG 200
ELECTRONET
UM-ELMAG 200-R3
ORDERING DTAILS
Instrument Name : Full Bore Type Electromagnetic Flow Meter
Model No. : ELMAG 200
Serial No. :
Code Description As Applicable
Line Size
01
02
03
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
½ Inch (15NB)
¾ Inch (20NB)
1 Inch (25NB)
1½ Inch (40NB)
2 Inch (50NB)
2½ Inch (65NB)
3 Inch (80NB)
4 Inch (100NB)
5 Inch (125NB)
6 Inch (150NB)
8 Inch (200NB)
10 Inch (250NB)
12 Inch (300NB)
14 Inch (350NB)
16 Inch (400NB)
18 Inch (450NB)
20 Inch (500NB)
24 Inch (600NB)
Lining Material
01
02
03
PTFE
Rubber
Other
Flange Material
01
02
03
CS/MS
SS304
SS316
20 28 Inch (700NB)
21 32 Inch (800NB)
22 36 Inch (900NB)
23 40 Inch (1000NB)
24 Other
Calibration Range
01
Flow Direction
01
02
Forward
Reverse
04 1¼ Inch (32NB)
ELECTRONET
UM-ELMAG 200-R3
Code Description As Applicable
Electronic Enclosure
01
02
Aluminum die cast
SS304
Output
01
02
03
04
4-20mA DC
4-20mA DC + Pulse Output
4-20mA DC + HART Output
All (4-20mA DC + Pulse Output +HART Output)
Communication Output
01
03
RS485
RS232
04 GSM
Power Supply
01
02
90-260V AC,50Hz
24V DC
03 48V DC
Alarm Output
01
02
Low
High
03 Batch
Cable Gland
01
02
M20 x 1.5 double compression
1/2" NPT(F)
03 3/4 ET
Electrode Material
01
02
03
04
SS316L
Hastalloy C
Platinum
Other
Coil Housing Material
01
02
03
MS
SS304
SS316
Accessories
01
02
Power cable
Cable gland
03 Magnetic key chain
04 ‘U’ clamp
06 Other
05 Grounding Ring
02 Data Logger
ELECTRONET
UM-ELMAG 200-R3
CONTENTS
1. INTRODUCTION.......................................................................................................... 01
1.1 Item Supplied......................................................................................................... 01
1.2 Device Identification............................................................................................... 01
1.3 Reading User Manual............................................................................................. 01
1.4 Warranty Terms...................................................................................................... 01
2. SAFETY INSTRUCTIONS........................................................................................... 02
2.1 General Instructions............................................................................................... 02
2.2 Storage Precautions............................................................................................... 02
2.3 Installation Location Precautions............................................................................ 02
3.APPLICATION.............................................................................................................. 03
4. OPERATING PRINCIPLE............................................................................................ 04
5. TECHNICAL DETAILS................................................................................................ 05
5.1 Electronic Unit Specifications................................................................................. 05
5.2 Flow Sensor Specifications.................................................................................... 05
6. ASSEMBLY OVERVIEW.............................................................................................. 06
7. KEY BOARD DETAILS................................................................................................ 07
8. TERMINATION DETAILS............................................................................................. 07
8.1 HART Communication Details ............................................................................... 08
8.2 GSM Module Details............................................................................................... 08
9. INSTALLATION DETAILS............................................................................................ 10
9.1 How to install Flow Meter...................................................................................... 10
9.2 Cable glanding procedure..................................................................................... 11
9.3 Safety Precautions............................................................................................... 12
9.4 Installation Position............................................................................................... 13
9.5 Pipe System.......................................................................................................... 14
10. OPERATIONAL FLOW CHARTS.............................................................................. 17
10.1 General Overview of Operations.......................................................................... 17
10.2 Alarm Setting Mode.............................................................................................. 18
10.3 Configure Mode.................................................................................................... 19
10.4 Alarm Configuration.............................................................................................. 22
10.5 Configure Instrument Method............................................................................... 23
10.6 Real Time Clock Configuration ............................................................................ 27
10.7 View Logged Data................................................................................................. 28
10.8 Batch Mode Opration.......................................................................................... 28
ELECTRONET
UM-ELMAG 200-R3
10.9 Avrage Flow Rate................................................................................................ 29
10.10 SMS Format On Mobile...................................................................................... 29
10.11 Online Diagnostic Features................................................................................ 29
11. MODBUS (RS 485) COMMUNICATION DETAILS.................................................... 30
12. DO'S & DONT'S.......................................................................................................... 34
13. TROUBLE SHOOTING PROCEDURE...................................................................... 34
ELECTRONET
UM-ELMAG 200-R PAGE 01 OF 34
1. INTRODUCTION
1.1 Item Supplied :
ELMAG 200 flow meter
User Manual
Calibration Certificates
User Manual CD
Inspection :
— Check for mechanical damage due to possible improper handling during shipment. All
claims for damage are to be made promptly to the shipper.
— Make sure the scope of delivery and the information on the name plate corresponds to the
ordering information.
1.2 Device Identification :
The Model no. and Specification are found on name plate, located on top of electronic
housing. Check the Model no. & Specifications you have ordered.
1.3 Reading User Manual :
— This manual should be provided to the end user.
— Before use, read this manual carefully and compare the instrument specification.
— The contents of this manual may be changed without prior notice.
1.4 Warranty terms :
— The terms of this instrument that are guaranteed are described in the quotation. We will
make any repairs that may become necessary during the guaranteed term free of
charge.
— Please contact our sales office if this instrument requires repair.
— If the instrument is faulty, contact us with concrete details about the problem and the
length of time it has been faulty, and state the model and serial number. We would
appreciate the inclusion of images or additional information.
— The results of our examination will determine whether the meter will be repaired free of
charge or on an at-cost basis.
ELECTROMAGNETIC FLOW METER
MODEL NO.:
SUPPLY :
RANGE :
SR. NO.:
LINE SIZE :
OUTPUT :
MAX. W. P.:
TAG NO.:
Electronic Unit
name plate
ELECTRONET
UM-ELMAG 200-R3 PAGE 02 OF 34
2. SAFETY INSTRUCTIONS
2.1 General Instructions:
— This flow meter was carefully calibrated at the factory before shipment. When meter is
delivered, visually check that no damage has occurred during transportation
— Read User manual carefully and understand instructions & directions provided in this
manual.
— In general, devices from the manufacturer may only be installed, commissioned, operated
and maintained by properly trained and authorized personnel.
— Look at the ordering detail to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
— Before powering up the meter, consider the following:
– Is the meter installed according to the direction of flow as marked on the meter.
– Has the wiring been carried out correctly and have all safety procedures been adhered to.
Is the supply voltage correct.
– Has the flow meter been properly earth.
– Lethal power supply voltages may be present, do not apply power with the signal
converter cover or terminal box cover removed.
— The following principles should be considered during installation:
– If there is a noisy power supply voltage (especially peaks generated, usually by motors),
use an external power supply filter between the flow meter and power supply.
– Protect the flow meter and the internal lining of the sensor pipe from mechanical damage,
especially during installation or cleaning.
– Do not expose the flow meter to intense vibration.
2.2 Storage Precautions:
• Store the device in a dry, dust-free location.
• Avoid continuous direct sunlight.
• Store the device in its original packing.
• Storage temperature: 0 to 55°C
2.3 Installation Location Precautions:
— Installation of the Electromagnetic flow meter must be performed by expert engineer or
skilled personnel. No operator shall be permitted to perform procedures relating to
installation.
— The Electromagnetic flow meter is a heavy instrument. Be careful that no damage is
caused to personnel through accidentally dropping it, or by exerting excessive force on the
electromagnetic flow meter. When moving the electromagnetic flow meter, always use a
trolley .
— When the electromagnetic flow meter is processing hot fluids, the instrument itself may
become extremely hot. Take sufficient care not to get burnt.
Note : IP68 Certification is valid if cable glanding is done as per mentioned cable
glanding procedure (Point no. 9.2, page no.11&12) also safety precautions must
be strictly maintained
ELECTRONET
UM-ELMAG 200-R3 PAGE 03 OF 34
ELMAG 200 is microprocessor based full bore type electromagnetic flow meter specially used
for various industrial applications. This flow meter accurately measures the flow rate of
conductive liquids & slurries in closed pipes. Due to simple, rigid & obstruction less design the
flow meter is a maintenance free instrument in place of conventional mechanical flow measuring
device. ELMAG 200 standard configuration is a sensor with transmitter integrated in one unit. It’s
performance is independent of temperature, pressure, density and viscosity of the medium.
ELMAG 200 is a flanged meter available in sizes from DN 10 to DN 1000. The rugged flow sensor
is constructed from completely welded construction. In the instrument, the sensor and the
electronics form one mechanical entity. A retransmission output of 4-20 mA is provided. The use
of ‘Pulsed DC ’ excitation technology offers highest ability & better measuring accuracy in the
form of electrical signal 4 - 20 mA DC linearly proportional to volumetric flow.
Sensor : The sensor consists of metering pipe; electrodes and coils. It is accommodated in
welded and a fully encapsulated steel enclosure.
Electronics :The conditioning electronics circuitry is housed in a cast aluminum connection box.
The termination of this electronics is given in the same housing through cable glands for the
required connecting cables.
Applications:
CApplications include measurement of flow on conducting liquids and slurries (even
highly corrosive and abrasive) in chemical and petrochemicals, pharmaceutical, fertilizers,
foodstuffs, dairy, sugar, breweries, paper, steel, mining industries etc.
CMonitoring water flow in cooling systems in steel plants, power plants etc.
CMeasuring flow of clean water, effluent, sludge etc. In pollution and environmental control.
CThe isolated 4-20 mA output proportional to flow can be fed to PLCs, DCS or remote mounted
indicator.
3. APPLICATION
ELECTRONET
UM-ELMAG 200-R3 PAGE 04 OF 34
4. OPERATING PRINCIPLE
The flow meter is designed for electrically conductive fluids. Measurement is based on Faraday’s
law of induction, according to which a voltage is induced in an electrically conductive body, which
passes through a magnetic field.
The following expression is applicable to the voltage:
U = K x B x v x D
Where:
U = induced voltage
K = an instrument constant
B = magnetic field strength
v = mean velocity
D = pipe diameter
Thus the induced voltage is proportional to the mean flow velocity, when the field strength is
constant. Inside the electromagnetic flow meter, the fluid passes through a magnetic field applied
perpendicular to the direction of flow. An electric voltage is induced by the movement of the fluid
(which must have a minimum electrical conductivity). This is proportional to the mean flow
velocity and thus to the volume of flow. The induced voltage signal is picked up by two electrodes,
Which are in contact with conductive fluid and transmitted to the signal converter.This method of
measurement offers the following advantages:
1) No pressure loss through pipe.
2) Since the magnetic field passes through the entire flow area, the signal represents a mean
value over the pipe cross-section; therefore, only relatively short straight inlet pipes x DN from
the electrode axis are required upstream of the primary head.
3) Only the tube liner and the electrodes are in contact with the fluid.
4) The signal produced is an electrical voltage, which is an exact linear function of the mean flow
velocity.
Fig.1
ELECTRONET
UM-ELMAG 200-R3 PAGE 05 OF 34
5. TECHNICAL DETAILS
5.1 Specifications:
Instrument Name : Full Bore Type Electromagnetic Flow Meter
Model No. : ELMAG 200
Media : Conductive Liquids & slurries
Calibration Range : As per customer requirement
Display : 16X2 Alphanumeric LCD, 6 digit for flow rate & 8 digit
for totaliser
Power Supply : 1) 90-260V AC, 50Hz
2) 24V DC
3) 48V DC
Power Consumption : Less than 10VA
Response Time : 2Sec.
Accuracy : +/-0.5% of full scale
Linearity : +/-0.5% of full scale
Isolation : 1.4KV Between input & Power supply
Output : 1) 4-20mA DC
2) Pulse output (Open collector OR 12V DC
Amplitude)
3) Relay O/P(1c/o,1Amp @ 230V AC for
Low/High/Batch alarm)
Communication Output : 1) 4-20mA DC with HART
2) RS485 supporting MODBUS RTU Protocol
3) RS232
4) GSM
Flow Direction : 1) Forward 2) Reverse
0
Temperature : 1) Ambient : 0 to 55 C
0
2) Storage : 0 to 55 C
Relative Humidity : 10-95% RH, non condensing
Cable Entry : M20 x1.5 Double Compression Cable Gland,
½” NPT
Mounting : In Line - Horizontal / Vertical
Transmitter Enclosure : Aluminum Die cast
Protection Class : IP66
5.1.1 Electronics Unit Specifications:
5.1.2 Flow Sensor Specifications:
Line Size : 15NB to 1000NB
Material of Construction : 1) Coil housing : MS / SS
2) Electrode : SS 316L / Hastalloy C / Platinum
3) Flange : CS / MS / SS 304 / SS 316
4) Lining : Rubber / PTFE
Mechanical Connections : Flange / SMS union / Threaded / Tri clover
Media conductivity : > 20 μs/cm
Limit flow velocities of measured liquid : 6 m/s
Viscosity : 200cp (max.)
Direction of Flow : Direction of Arrow on Meter
Protection class : IP68
Process Temperature : 1) 0 to 85° C(For Rubber Lining)
2) 0 to 120° C(For PTFE Lining)
2
Operating Pressure : 0 to10Kg/cm
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