Emerson Rosemount 3814 Manuel de programmation

Maintenance and Troubleshooting Manual

00809-0100-3814, Rev AB

January2023

Rosemount ™ 3814 Liquid Ultrasonic Flow

Meter

Safety and approval information

This Rosemount product complies with all applicable European directives when properly installed in accordance with

the instructions in this manual. Refer to the EU declaration of conformity for directives that apply to this product. The

EU declaration of conformity, with all applicable European directives, and the complete ATEX Installation Drawings

and Instructions are available on the internet at www.emerson.com or through your local Emerson support center.

Information affixed to equipment that complies with the Pressure Equipment Directive, can be found on the internet

at www.emerson.com.

For hazardous installations in Europe, refer to standard EN 60079-14 if national standards do not apply.

Other information

Full product specifications can be found in the product data sheet. Troubleshooting information can be found in the

user manual. Product data sheets and manuals are available from the Emerson website at www.emerson.com.

Return policy

Follow Emerson procedures when returning equipment. These procedures ensure legal compliance with government

transportation agencies and help provide a safe working environment for Emerson employees. Emerson will not

accept your returned equipment if you fail to follow Emerson procedures. Return procedures and forms are available

on our web support site at www.emerson.com, or by phoning the Emerson Customer Service department.

Emerson Flow customer service

Email:

•Worldwide: [email protected]

•Asia-Pacific: [email protected]

Telephone:

North and South America Europe and Middle East Asia Pacific

United States 800 522 6277 U.K. 0870 240 1978 Australia 800 158 727

Canada +1 303 527 5200 The

Netherlands

+31 (0) 704 136 666 New Zealand 099 128 804

Mexico +41 (0) 41 7686 111 France 0800 917 901 India 800 440 1468

Argentina +54 11 4837 7000 Germany 0800 182 5347 Pakistan 888 550 2682

Brazil +55 15 3413 8000 Italy 8008 77334 China +86 21 2892 9000

Central &

Eastern

+41 (0) 41 7686 111 Japan +81 3 5769 6803

Russia/CIS +7 495 981 9811 South Korea +82 2 3438 4600

Egypt 0800 000 0015 Singapore +65 6 777 8211

Oman 800 70101 Thailand 001 800 441 6426

Qatar 431 0044 Malaysia 800 814 008

Kuwait 663 299 01

South Africa 800 991 390

Saudi Arabia 800 844 9564

UAE 800 0444 0684

Contents

Chapter 1 Routine Maintenance................................................................................................ 5

1.1 Meter maintenance.....................................................................................................................5

1.2 Field hydrostatic pressure testing procedures........................................................................6

1.3 Routine maintenance..................................................................................................................7

Chapter 2 Troubleshooting.......................................................................................................13

2.1 Meter status alarms.................................................................................................................. 13

2.2 Troubleshooting the meter......................................................................................................16

2.3 Troubleshoot Maintenance log files and trend files............................................................. 34

2.4 Meter reset mode......................................................................................................................36

Chapter 3 Meter maintenance................................................................................................. 39

3.1 Important safety information..................................................................................................39

3.2 Transducer field removal and installation............................................................................. 42

3.3 Transducer housing removal and installation.......................................................................46

3.4 Transducer cable removal and installation............................................................................55

3.5 Replace the meter electronics................................................................................................. 61

Appendix A Conversion factors...................................................................................................77

A.1 Conversion factors per units of measurement..................................................................... 77

A.2 K-Factor and inverse K-Factor..................................................................................................78

Appendix B Engineering drawings............................................................................................. 79

B.1 Rosemount 3810 Series Ultrasonic Flow Meter Drawings...................................................79

Maintenance and Troubleshooting Manual Contents

00809-0100-3814 January2023

Rosemount 3814 Liquid Ultrasonic Flow Meter 3

Contents Maintenance and Troubleshooting Manual

January2023 00809-0100-3814

4 Emerson.com/Rosemount

1 Routine Maintenance

1.1 Meter maintenance

This section includes discussion of the maintenance of Rosemount 3814 Liquid

Ultrasonic Flow Meters.

For reference, you may download the MeterLink Quick Start Manual from:

www.emerson.com/meterlink

CAUTION

SURFACE TEMPERATURE HAZARD

Meter body and piping may be extremely hot or cold.

Wear appropriate personal protective equipment when coming in contact with

the meter.

Failure to comply may result in injury.

CAUTION

TRANSPORTATION HAZARD

When moving the meter, do not insert the forks of a forklift into the bore.

Inserting the forks may cause the meter to become unstable, resulting in injury to

personnel or damage to the bore and sealing face.

NOTICE

Prior to lifting the unit, refer to the flow meter nameplate or outline dimensional

(general arrangement) drawing for the assembled weight.

CAUTION

TRIPPING HAZARD

Clear all obstacles or obstructions from the work area when transporting,

installing or removing the meter.

Failure to comply may cause injury to personnel.

Maintenance and Troubleshooting Manual Routine Maintenance

00809-0100-3814 January2023

Rosemount 3814 Liquid Ultrasonic Flow Meter 5

WARNING

CRUSHING HAZARD

Do not remove flange stabilizers.

Attempting to do so may allow the meter to roll, resulting in serious injury or

equipment damage.

Figure 1-1: Flange stabilizers

A. Flange stabilizers

CAUTION

ESCAPING FLUIDS HAZARD

The purchaser of the meter is responsible for the selection of Emerson

components/seals and materials compatible with the chemical properties of the

measurement fluid.

Failure to select suitable meter components/seals may cause escaping fluids,

resulting in injury to personnel or equipment damage.

1.2 Field hydrostatic pressure testing

procedures

The Rosemount 3814 Liquid Ultrasonic Flow Meter can be hydro-tested without

any special preparations. The transducers are not exposed to the process

pressure and can remain installed in the meter.

Routine Maintenance Maintenance and Troubleshooting Manual

January2023 00809-0100-3814

6 Emerson.com/Rosemount

The liquid ultrasonic meter pressure containing parts include but are not limited

to the transducer housings. These pressure containing parts are pressure tested

while attached to the meter body as a completed ultrasonic meter assembly. The

hydrostatic test is verification of the pressure containing capability of the liquid

ultrasonic meter pressure containing parts and the seals that seal them.

CAUTION

LEAKAGE OR PRESSURE CONTAINING PARTS FAILURE

Use precautions to eliminate hazards to personnel in the event of leakage or

failure of the liquid ultrasonic meter pressure containing parts or failure of the

test equipment and to prevent over-pressurization during the test procedure.

Failure to comply may result in injury to personnel or cause damage to the

equipment.

1.3 Routine maintenance

Routine maintenance operations requires adherence to all applicable regulations

and laws and safety training for personnel to perform the maintenance

operations. Review your organization’s best practices procedures before

performing routine maintenance.

1.3.1 Maintenance logs and reports

To monitor the performance health of the meter, and ensure it is operating within

acceptable specifications, routine diagnostics should be performed. Collecting a

maintenance log gives you a snapshot of the current health of the meter and

you can compare the inspection reports from previously saved logs. Use the Logs/

Reports menu and click Maintenance Logs and Reports. MeterLink displays the

Maintenance Logs and Reports dialog. Choose the time duration, log format and

collection rate for the output file and click the Start button. You can open the file

immediately after it is generated or view it at a later time. It is recommended that

a Maintenance log be collected after an upset in the system.

In establishing a baseline to be used for the trending of the meter diagnostics,

it is very helpful if a set of log files are collected immediately after the meter

has been installed in the field. Preferably, collect the log files at several velocities

within the operating range of the meter. This helps establish that the flow profile

is relatively constant throughout the meters operating range (except velocities

below 3 ft/sec where the profile may vary).

Maintenance and Troubleshooting Manual Routine Maintenance

00809-0100-3814 January2023

Rosemount 3814 Liquid Ultrasonic Flow Meter 7

Maintenance log collection

Figure 1-2: Maintenance log collection parameters

Trend maintenance log collection

Merging the results of two or more Maintenance logs into a single file, allows

you to build a historical database of the meter’s performance. Trending the

logs indicates changes from the original installation of the meter, or over time.

Looking at a single inspection report, that is either collected monthly or quarterly,

can give you an indication of the meter's health.

Routine Maintenance Maintenance and Troubleshooting Manual

January2023 00809-0100-3814

8 Emerson.com/Rosemount

Figure 1-3: Trend log collection

This is important since many diagnostics change slowly over time. Trending the

maintenance logs helps identify these changes and makes problems much more

obvious than merely viewing a single inspection report. The Trending feature

is integral to MeterLink which allows all important parameters to be trended.

MeterLink supports trending files in a Microsoft® Excel® workbook from multiple

3814 meter maintenance logs. Some parameters like gain, signal level, and noise

level may show a shift over time which can be useful in detecting changes in the

meter and the installation.

Maintenance logs or Trend files to be trended must all have matching column

headings. This means the logs must be in the same units (i.e. U.S. Customary or

Metric), must have the same pressure type (i.e. gauge or absolute), and must have

the same time base (1/second, 1/minute, 1/hour, 1/day). If not, an error message

will be displayed stating the column headings do not match and the file will not be

added to the Workbook to trend list.

Archive log collection

Archive logs that may be collected and the options include:

•Daily log - generated every 24 hours on the Contract Hour.

•Hourly log - generated every hour at the top of the hour.

•Event log - collects the alarm and event log records.

Maintenance and Troubleshooting Manual Routine Maintenance

00809-0100-3814 January2023

Rosemount 3814 Liquid Ultrasonic Flow Meter 9

Figure 1-4: Archive log collection parameters

The logs may be collected in a single file or you can choose to collect one type of

log. Each of the Meter Archive logs include the Meter Configuration file.

Routine Maintenance Maintenance and Troubleshooting Manual

January2023 00809-0100-3814

10 Emerson.com/Rosemount

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