Emerson Rosemount 3812 Installation Manual
  1. Manuals
  2. Brands
  3. Emerson Manuals
  4. Measuring Instruments
  5. Rosemount 3812
  6. Installation manual
Emerson Rosemount 3812 Installation Manual

Emerson Rosemount 3812 Installation Manual

Liquid ultrasonic flow meter for direct and remote mount meter electronics
Hide thumbs Also See for Rosemount 3812:
Table of Contents

Advertisement

Quick Links

Download this manual
Installation manual
00825-0100-3812, Rev AB
January 2023
™
Rosemount
3812 Liquid Ultrasonic Flow
Meter
for Direct and Remote Mount Meter Electronics

Advertisement

Table of Contents
loading

Related Manuals for Emerson Rosemount 3812

Summary of Contents for Emerson Rosemount 3812

  • Page 1 Installation manual 00825-0100-3812, Rev AB January 2023 ™ Rosemount 3812 Liquid Ultrasonic Flow Meter for Direct and Remote Mount Meter Electronics...
  • Page 2 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.

  • Page 3: Table Of Contents

    00825-0100-3812 January 2023 Contents Chapter 1  Introduction....................... 5 1.1 General overview of Rosemount 3812 Liquid Ultrasonic Flow Meter........5 1.2 Typical applications........................5 1.3 Features and benefits of this product..................6 1.4 Acronyms, abbreviations and definitions.................6 1.5 MeterLink software........................9 1.6 Rosemount 3812 Liquid Ultrasonic Flow meter design............10 1.7 Meter specifications........................
  • Page 4 Contents Installation manual January 2023 00825-0100-3812 Rosemount 3812 Liquid Ultrasonic Flow Meter...

  • Page 5: Chapter 1 Introduction

    Ultrasonic Flow Meters • 00809-0100-3812 Rosemount Model 3812 Liquid Ultrasonic Flow Meter Maintenance and Troubleshooting Manual The Rosemount 3812 Liquid Ultrasonic Flow Meter technology can be applied to allocation measurement and check metering applications as shown below. 1.2  Typical applications •...

  • Page 6: Features And Benefits Of This Product

    Table 1-1: Acronyms, abbreviations and definitions Acronym or abbreviation Definition ° degree (angle) °C degrees celsius (temperature unit) °F degrees fahrenheit (temperature unit) analog-to-digital converter analog input Suite Device Manager Asset Management Software - Device ® Manager analog output Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 7 Installation manual Introduction 00825-0100-3812 January 2023 Table 1-1: Acronyms, abbreviations and definitions (continued) Acronym or abbreviation Definition ASCII MODBUS A Modbus protocol message framing format in which ASCII characters are used to delineate the beginning and end of the frame. ASCII stands for American Standard Code for Information Interchange.
  • Page 8 Personal Computer part number power supply (board) pounds per square inch (pressure unit) psia pounds per square inch absolute (pressure unit) psig pounds per square inch gage (pressure unit) Radius radian (angle) Random Access Memory Rosemount 3812 Liquid Ultrasonic Flow Meter...

  • Page 9: Meterlink Software

    Watts (power unit) 1.5  MeterLink software MeterLink software has robust features for setting communications parameters, calibrating your meter, collecting logs and reports and monitoring the meter health and alarm statuses. MeterLink may be downloaded at no charge from: www.emerson.com/meterlink Installation manual...

  • Page 10: Rosemount 3812 Liquid Ultrasonic Flow Meter Design

    Rosemount 3812 Liquid Ultrasonic Flow meter design The Rosemount 3812 Liquid Ultrasonic Flow Meter designs include a direct or remote mount electronics option and depending on the meter’s outside diameter, have a shroud cover protecting the transducers and cable assemblies. See Table and the list below for meter body shroud types.
  • Page 11 Installation manual Introduction 00825-0100-3812 January 2023 Figure 1-2: Direct mount electronics assembly with split shroud A. Explosion-proof transmitter enclosure (CPU Module, Power Supply, I.S. Barrier Board, Backplane board, and optional LCD Board with glass endcap) B. Intrinsically-safe base enclosure includes Acquisition Module C.
  • Page 12 A. Explosion-proof transmitter enclosure (CPU Module, Power Supply, I.S. Barrier Board,Backplane board, optional LCD Board with glass endcap) B. Intrinsically-safe base enclosure includes Acquisition Module C. Meter - body and band shrouds for transducers and cable assemblies Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 13 Installation manual Introduction 00825-0100-3812 January 2023 Figure 1-6: Remote mount electronics assembly with clamped band shrouds A. Explosion-proof transmitter enclosure (CPU Module, Power Supply, I.S. Barrier Board,Backplane board, and optional LCD Board with glass endcap) B. Intrinsically-safe base enclosure includes Acquisition Module C.
  • Page 14 00825-0100-3812 Figure 1-8: Optional local display and glass endcap The Rosemount 3812 Liquid Ultrasonic Flow Meter is a two-path (four transducers) in-line meter designed to measure the difference in signal transit time with and against the flow across one or more measurement path(s). A signal transmitted in the flow direction travels faster than one transmitted against the flow direction.

  • Page 15: Meter Specifications

    Failure to select suitable meter components/seals may cause escaping fluids, resulting in injury or equipment damage. Consult your Emerson Flow service representative to ensure you purchase the correct components and seals for your application. Table 1-2: Meter specifications...
  • Page 16 Specific Gravity 0.35 to 1.50 Accuracy Limits Accuracy limits typically are: • ± 2% without a flow calibration, ± 0.3% with flow calibration Minimum operating pressure • 0 psig • 0 barg Electronic specifications Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 17 Installation manual Introduction 00825-0100-3812 January 2023 Table 1-2: Meter specifications (continued) Liquid Ultrasonic Flow Meter specifications Power Meter • 10.4 VDC to 36 VDC measured at the meter terminals • 11 W maximum power consumption Serial cable • Belden #9940 or equivalent (22 gauge) —...
  • Page 18 FloBoss 103, FloBoss S600 flow computer, ROC 107 Digital, analog, and frequency inputs Digital Input(s) (Selectable) (1) Single polarity (for flow calibration gating - contact closure) • Single input for starting and stopping • Four pulse configurations available Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 19 Installation manual Introduction 00825-0100-3812 January 2023 Table 1-2: Meter specifications (continued) Liquid Ultrasonic Flow Meter specifications Analog Input(s) (2) 4-20 mA • AI-1 Temperature • AI-2 Pressure Note The analog-to-digital conversion accuracy is within ±0.05% of full scale over the operating temperature range.
  • Page 20 Phase A while reporting reverse flow) • Lead forward, Lag reverse (Phase B leads Phase A while reporting forward flow, lags Phase A while reporting reverse flow) Phase A and Phase B output (based on flow direction) Rosemount 3812 Liquid Ultrasonic Flow Meter...

  • Page 21: Pre-Installation Considerations

    Installation manual Introduction 00825-0100-3812 January 2023 Table 1-2: Meter specifications (continued) Liquid Ultrasonic Flow Meter specifications • Reverse flow - output only reports flow in the reverse direction. For frequency outputs, Phase B of the output is 90 degrees out of phase with Phase A. •...

  • Page 22: Safety Conditions

    January 2023 00825-0100-3812 1.9  Safety conditions The Rosemount 3812 Liquid Ultrasonic Flow Meter is suitable for use in U.L. Class 1, Division 1, Group C and D hazardous locations.  WARNING DANGER TO PERSONNEL AND EQUIPMENT Observe all precautionary labels posted on the equipment and safety messages throughout the meter documentation.

  • Page 23: Fcc Compliance

    Installation manual Introduction 00825-0100-3812 January 2023 • IECEx (International Electrotechnical Commission for explosive atmospheres) • U.L. (Underwriter Laboratories) • U.L.C. (Underwriter Laboratories of Canada) • PED (BSI Group) British Standards Institution • INMETRO (National Institute of Metrology, Quality and Technology) •...
  • Page 24 Introduction Installation manual January 2023 00825-0100-3812 Rosemount 3812 Liquid Ultrasonic Flow Meter...

  • Page 25: Chapter 2 Mechanical Installation

    Installation manual Mechanical Installation 00825-0100-3812 January 2023 2  Mechanical Installation 2.1  Meter piping, lifting and mounting Refer to the following sections for piping recommendations, lifting with hoist rings and slings, mounting in cooled pipelines and safety warnings and precautions.  CAUTION SURFACE TEMPERATURE HAZARD Meter body and piping may be extremely hot or cold.

  • Page 26: Meter Components

    Attempting to do so may allow the meter to roll, resulting in serious injury or equipment damage. A. Flange stabilizers Consult your Emerson Flow Service representative to ensure you purchase the correct components and seals for your application. 2.2  Meter components  WARNING...
  • Page 27 Installation manual Mechanical Installation 00825-0100-3812 January 2023  WARNING FLUID CONTENTS MAY BE HAZARDOUS The meter must be fully depressurized and drained before attempting to remove the transducer housing. If fluid begins to leak from the transducer housing, immediately reinstall it. Failure to comply may cause serious injury to personnel or equipment damage.
  • Page 28 A. Direct mount- explosion-proof transmitter enclosure (CPU Module, Power Supply, I.S. Barrier Board, Backplane Board, and optional LCD Display Board with glass end cap) B. Intrinsically-safe base enclosure includes Acquisition Module C. Meter-body and split shroud cover for transducers and cables assemblies Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 29 Installation manual Mechanical Installation 00825-0100-3812 January 2023 Figure 2-2: Remote mount meter electronics assembly with split shroud A. Remote mount explosion-proof transmitter enclosure (CPU Module, Power Supply, I.S. Barrier Board, Backplane Board and optional LCD Display Board) B. Intrinsically-safe base enclosure includes Acquisition Module C.
  • Page 30 Bolted band shroud or latched band shroud 4” - 10” 150 and 300 Split shroud or latched band shroud 600 and 900 Clamped band shroud 12” and larger 150, 300, 600, 900 Clamped band shroud Rosemount 3812 Liquid Ultrasonic Flow Meter...

  • Page 31: Piping Recommendations

    Failure to shield the meter may result in exceeding the process temperature range and damage transmitter electronics. NOTICE For optimal flow measurement conditions, Emerson suggests the piping configurations below. Regardless of the configuration selected, the user agrees to accept full responsibility for the site piping design and installation.
  • Page 32 • T = Temperature measurement location Refer to the ultrasonic meter product data sheet for piping information. The Liquid Ultrasonic Flow Meter Datasheet may be downloaded from the Emerson website: Rosemount 3812 Two-Path Liquid Ultrasonic Flow Meter product data sheet...

  • Page 33: Meter Safety For Hoist Rings And Lifting Slings

    Installation manual Mechanical Installation 00825-0100-3812 January 2023 NOTICE To access the product datasheet, select the Rosemount Liquid Ultrasonic Flow Meter link, click the Documentation tab, expand the Data Sheets - Bulletins - Catalogs tab, then select the Data Sheet. Meter tube dimensions with tube bundle or profiler plate for uni-directional and bi-directional flow, the minimum straight pipe length is as follows: Table 2-2: Piping recommendation for uni-directional or bi-directional flow Uni-Directional Flow...
  • Page 34 Failure to comply can cause the meter to roll and the electrical wiring conduit connections to be severed, resulting in serious injury or equipment damage. NOTICE Prior to lifting the unit, refer to the Rosemount 3812 Liquid Ultrasonic Flow Meter nameplate or outline dimensional (general arrangement) drawing for the assembled weight.
  • Page 35 Operators SHALL NOT use Eye Bolts (see Figure 2-8) in the Rosemount 3812 Liquid Ultrasonic Meter flange tapped holes to aid in lifting or maneuvering the unit. Operators SHALL NOT use other Hoist Rings that do not fully seat flush with the counter bore on the top of the meter flanges.
  • Page 36 Do not use any other type of hoist rings with the same screw size or heavy duty hoist rings. The meter tapping and counter bore size are suitable only for the hoist rings specified by Emerson. 5. When installing a hoist ring, make sure the base surface of the hoist ring fully contacts the machined flat surface of the tapped hole.
  • Page 37 Installation manual Mechanical Installation 00825-0100-3812 January 2023  CAUTION CRASHING HAZARD Lifting the meter with the upper enclosure installed, but without the bolts installed, may cause the electronics to fall and cause personal injury or equipment damage. Figure 2-10: Sling contacting electronics enclosure 10.
  • Page 38 This is not intended to be a complete list. • Fastenal (www.fastenal.com) • Reid Supply (www.reidsupply.com) The appropriate hoist rings can also be purchased directly from Emerson. The following table provides part number for reference: Table 2-3: Hoist ring part number lookup table Rosemount Part Hoist ring thread...
  • Page 39 Installation manual Mechanical Installation 00825-0100-3812 January 2023 Table 2-4: Hoist ring lookup table for Rosemount 3812 Liquid Ultrasonic Flow Meters ANSI 150 ANSI 300 Part Number 4”to 10” 4”to 10” 1-504-90-091 2.4.2  Use of appropriately rated lifting slings The following instructions are intended to provide general guidelines for proper lifting slings of the Rosemount 3812 Ultrasonic Meter by itself.

  • Page 40: Mounting Requirements In Heated Or Cooled Pipelines

    (i.e. Spool piece acting as process fluid conduit) and mount it next to the meter body on a pipe stand or other rigid structure. The process temperature must also not exceed the operating temperature range of Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 41 Installation manual Mechanical Installation 00825-0100-3812 January 2023 the transducers. LT-10 and LT-11 operating temperature range -50 °C to 135 °C (-58 °F to +275 °F) with NBR O-rings and operating temperature range -40 °C to +150 °C (-40 °F to +302 °F with FKM O-rings).  CAUTION SURFACE TEMPERATURE HAZARD The meter body and piping may be extremely hot or cold.
  • Page 42 Mechanical Installation Installation manual January 2023 00825-0100-3812 Rosemount 3812 Liquid Ultrasonic Flow Meter...

  • Page 43: Chapter 3 Electrical Installation

    Installation manual Electrical Installation 00825-0100-3812 January 2023 3  Electrical Installation 3.1  Cable length TTL mode The maximum cable length is 2000 feet when the “TTL” mode is selected. 3.2  Cable length Open Collector mode For the “open collector” mode, the maximum cable length depends on the cable parameters, pull-up resistance used, the maximum frequency to output, and frequency input parameters being driven.

  • Page 44: Grounding Meter Electronics

    Pull-up voltage is 24 VDC 3.3  Grounding meter electronics Rosemount 3812 Liquid Ultrasonic Flow Meter electronics should be internally grounded for intrinsically safe operations. Connect a wire to the chassis ground lug installed inside the Transmitter Electronics Enclosure as the primary ground. A...

  • Page 45: Conduit Seals

    Electrical Installation 00825-0100-3812 January 2023 3.4  Conduit seals Rosemount 3812 Liquid Ultrasonic Meters require conduit seals for installations in hazardous environments. Adhere to safety instructions to protect personnel and equipment.  WARNING HAZARDOUS VOLTAGE INSIDE Do not open the Transmitter Electronics Enclosure when an explosive gas atmosphere is present.
  • Page 46 Electronics Enclosure end caps (see Direct or remote mount transmitter electronics enclosure seal). 9. Install the wire seals on the Base Enclosure hex head bolts and on the Shroud covering the meter body (see Base enclosure security seals). Rosemount 3812 Liquid Ultrasonic Flow Meter...

  • Page 47: Wiring And I/O

    4-wire full duplex RS-485 mode. The meter electronics is HART capable and provides communication flexibility with Rosemount 3812 Liquid Ultrasonic Flow Meters. The HART output provides communication with other field devices (e.g., 475/375 ®...
  • Page 48 • To write configuration • OFF - enables writing changes or download configuration changes or firmware to the meter, downloading firmware change the switch to the OFF position. Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 49 Installation manual Electrical Installation 00825-0100-3812 January 2023 Table 3-2: CPU Module labeling and LED functions (continued) CPU Module labeling and Function Switch position indicator LED functions or LED DHCP • Dynamic Host Protocol Switch position Server - enables you to •...
  • Page 50 3.3 V Power Indicator • Solid green LED 4 • Not used LED 5 • Not used • RX signal (Port A for • Flashing green (when RS485 or RS232 receiving data) communication) receiving data Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 51 RESTRICT ETHERNET AND SERIAL CONNECTIVITY USAGE User is responsible for ensuring that physical access and Ethernet or electronic access to the Rosemount 3812 Liquid Ultrasonic Flow Meter is appropriately controlled and any necessary security precautions, such as, establishing a firewall, setting password permissions and/or implementing security levels.
  • Page 52 (possibly due to an inadvertent communication configuration change). Alternately, when using MeterLink with an Ethernet port, ™ use Ethernet cable (P/N 1-360-01-596) to connect the PC. Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 53 Preferred port for • Modbus TCP/IP diagnostic communication via MeterLink • 10 Mbps/100 Mbps Denotes auto-detected protocols. NOTICE If not using Ethernet, a full duplex serial connection is necessary for MeterLink to communicate with a Rosemount 3812 Liquid Ultrasonic Meter. Installation manual...

  • Page 54: Rosemount Ultrasonic Meters I/O Connections

    D. Frequency/Digital Output 2 3.6.1  Frequency/Digital outputs The meter has three user-configurable selections for configuring either a Frequency output or Digital output (FODO). • FODO1 (four possible parameter configurations) • FODO2 (eight possible parameter configurations) Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 55 Installation manual Electrical Installation 00825-0100-3812 January 2023 • FODO3 (eight possible parameter configurations) Frequency or Digital Outputs (FODO 1) source • FO1A, DO1A, FO1B, DO1B • Frequency output 1A is based on frequency content (Actual - Uncorrected Flow Rate) • Frequency output 1B is based on frequency content and Frequency 1B Phase •...
  • Page 56 Frequency output 1A • Frequency output 1B • Digital output 1A • Digital output 1B Frequency /Digital Output • Frequency output 1A • Frequency output 1B • Digital output 1A • Digital output 1B Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 57 Installation manual Electrical Installation 00825-0100-3812 January 2023 Table 3-5: Frequency/Digital Outputs possible configurations (continued) Frequency/Digital output Source configuration Frequency /Digital Output • Frequency output 2A • Frequency output 2B • Digital output 2A • Digital output 2B Solid blue line denotes valid selection for Frequency/Digital Output 1. Black dashed-line denotes valid selections for Frequency/Digital Output 2 and Frequency/Digital Output 3.
  • Page 58 Analog Output 2 (AO2) is user-configurable as a conventional 4-20 mA output. 3.6.4  Digital input The Rosemount 3812 Liquid Ultrasonic Flow Meter provides one digital input that can be used as a general purpose input or used for synchronizing calibration (for flow calibration gating-contact closure). The meter records the volume seen between switch closures.

  • Page 59: Security Seal Installation

    Security seals protect the integrity of the meter metrology and prevent tampering with transducer assemblies. The following sections detail how to properly seal the Rosemount 3812 Liquid Ultrasonic Flow Meter after commissioning. The security seal wires are commercially available.  WARNING CUTTING HAZARD Sharp edges may be present on the meter.
  • Page 60 3. Adjust the security wire, removing all slack and thread into the lead seal. 4. Cut wire ends to remove excess wire. This completes the direct or remote Transmitter Electronics Enclosure seal installation procedure. Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 61 Installation manual Electrical Installation 00825-0100-3812 January 2023 3.7.2  Base enclosure security seals Use the following instructions to install the security seal wire on the Base Enclosure. Procedure 1. Install security wire seal into and through two of the four the holes in the socket head screws on the Base Enclosure cover (maximum wire diameter 0.078 inch;...
  • Page 62 4. Cut wire ends to remove excess wire. This completes installing security seals on the Junction Box. 3.7.4  Bolted band shroud security seals If required, use the following instructions to install bolted band shrouds security wire seals. Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 63 Installation manual Electrical Installation 00825-0100-3812 January 2023 Figure 3-12: Bolted band shroud security seals - bottom view A. Band shroud B. Left front shroud bolt 1/4”- 20 C. Left back shroud bolt 1/4”- 20 D. Right back shroud bolt 1/4”- 20 E.
  • Page 64 This completes the clamped band shroud security seal installation procedure. 3.7.6  Split shroud security seals Use the following instructions to install the security seal wires on the split shroud covering the meter body and transducer assemblies. Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 65 Installation manual Electrical Installation 00825-0100-3812 January 2023 Figure 3-14: Split shroud security seals A. Upper split shroud B. Split shroud clamp C. Security wire seals D. Lower split shroud Procedure 1. Install the security seal wire into and through the holes in the split shroud clamp bent tab and the upper split shroud bent tab.
  • Page 66 D. Meter body recess for pop rivet allowance E. Meter body shoulder F. Shroud latch Procedure 1. Install the security seal wire into and through the holes in one of the shroud latches (maximum wire diameter 0.078 inch; 2.0 mm). Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 67 Installation manual Electrical Installation 00825-0100-3812 January 2023 Figure 3-16: Shroud latch holes for security wire seals A. Left shroud latch holes for security wire seals B. Right shroud holes for security wires 2. Remove all slack and seal. 3. Cut wire ends to remove excess wire. 4.
  • Page 68 Electrical Installation Installation manual January 2023 00825-0100-3812 Rosemount 3812 Liquid Ultrasonic Flow Meter...

  • Page 69: Chapter 4 Configuration

    Installation manual Configuration 00825-0100-3812 January 2023 4  Configuration After the mechanical and electrical installation is complete and connectivity is established, use the MeterLink Software for Gas and Liquid Ultrasonic Meters Quick Start Manual (00809-0100-7630) to setup initial communications with the meter. 4.1 ...
  • Page 70 QFLOW — Uncorrected volume flow rate • BBL – Barrels • GAL – Gallons • L – Liters • CM – Cubic Meters • MCM – Thousand Cubic Meters TDYVL — Current day’s forward uncorrected volume Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 71 Installation manual Configuration 00825-0100-3812 January 2023 Table 4-1: Local display labels, descriptions and valid units (continued) Local Display labels, descriptions and units • +BBL – Barrels • +GAL – Gallons • +L – Liters • +CM – Cubic Meters • +MCM –...
  • Page 72 • CM – Cubic Meters • MCM – Thousand Cubic Meters FRQ2A — Frequency channel 2A • HZ – Hertz FRQ2B — Frequency channel 2B • HZ – Hertz KFCT2 — Frequency 2 K-factor Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 73 Installation manual Configuration 00825-0100-3812 January 2023 Table 4-1: Local display labels, descriptions and valid units (continued) Local Display labels, descriptions and units • BBL – Barrels • GAL – Gallons • L – Liters • CM – Cubic Meters • MCM –...

  • Page 74: Using Ams Device Manager To Configure The Meter

    1. Use the link above to search for the Device Description (DD) for your Rosemount 3810 Series Liquid Ultrasonic Flow Meter. 2. Use the pull-down menu and select the Brand/Manufacturer - Emerson Rosemount Industries. 3. Next select the Device, Liquid 3810 Series from the pull-down menu.
  • Page 75 Installation manual Configuration 00825-0100-3812 January 2023 Figure 4-1: AMS Device Description search 9. Click Search Now. 10. Click the Rosemount Industries Liquid 3810 Series Rev 1 hyperlink. The file download dialog displays. Click the Save button to save the files to your host system.
  • Page 76 11. Click the Save button to complete the file download. Figure 4-3: AMS file download complete 12. Click Open or Open Folder to view the downloaded files. 13. Establish power to the meter and wiring to Analog Input 1 for HART communication. Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 77 Installation manual Configuration 00825-0100-3812 January 2023 14. Start the AMS Device Manager using a laptop or PC. 15. Enter login credentials and click OK to launch the application. 16. Click the Configure tab, and then select Guided Setup, Manual Setup or Alert Setup.
  • Page 78 The Guided Setup is a subset of the Manual Setup parameters. Figure 4-6: AMS Device Manager - Guided Setup Note Before writing configuration changes to your meter, make sure you have saved the Configuration file and Maintenance log. Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 79 Installation manual Configuration 00825-0100-3812 January 2023 Procedure 1. Disable the Write Protect switch in the CPU Module to write any of the following configuration parameters to your meter. 2. Click the Setup Units tab to configure the system units (U.S. Customary or Metric units), Volume units, Flow rate time units, Velocity units, Pressure units and Temperature units.
  • Page 80 10. From the Overview window, click Display Meter K-Factors. K-Factors are a read-only values calculated from the Full scale volumetric flow rate used with frequency outputs and the Maximum frequency for frequency output. Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 81 Installation manual Configuration 00825-0100-3812 January 2023 Figure 4-8: Display Meter K-Factors 11. Click Next to return to the Device Manager Overview page. 4.2.3  AMS Device Manager - Manual Setup Use the Manual Setup wizard to configure the meter’s parameters. See Figure 4-4 Figure 4-5 and from the AMS Device Manager Configure menu click Manual...
  • Page 82 11. Click the Digital Input tab. The default Digital Input 1 polarity is set to Normal for general purpose or set to Inverted when used for calibration. Click Apply, after you choose the calibration data to write the parameters to the meter. Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 83 Installation manual Configuration 00825-0100-3812 January 2023 a. Calibration Polarity configuration parameter selections are: • Digital Input 1 Calibrate Active High • Digital Input 1 Calibrate Active Low b. Calibration Gating configuration parameter selections are: • Edge gated, active high Figure 4-10: Gating configuration parameter Edge gated, active high •...
  • Page 84 Next button. The Detect Reverse Flow enabled page displays. Click the Next button to display Detect Reverse Flow disabled. b) If an error message is returned, click the Next button to display the Method Complete page. Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 85 Installation manual Configuration 00825-0100-3812 January 2023 c) Click the Set Flow Range Limits button and enter a positive value for the Flow Analysis Lower Velocity Range and the Upper Velocity Range Limits. When the velocity is outside of the limit parameters, an alert is triggered.
  • Page 86 Flow Data, Path Information, Flow Totals, and All Variables. Figure 4-17: AMS Device Manager - Service Tools d) The Service Tools → Flow Data page includes charts for flow and sound velocities. The flow values (flow direction, average flow velocity Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 87 Installation manual Configuration 00825-0100-3812 January 2023 and average sound velocity) parameters are displayed for the connected device. e) Click Service Tools → Variables → Path Information tab to view the device’s chord performance (%), Gain (dB), SNR (dB), Signal (mV) and Noise (mV). f) Click Service Tools → Variables → Flow Totals to view the volume totals (Forward and reverse Uncorrected Volume) parameters for the connected device.
  • Page 88 Bracket/ Cover to the Base enclosure. Note The next time you connect to the device using MeterLink, the Monitor page displays a Meter status alarm that the configuration has Rosemount 3812 Liquid Ultrasonic Flow Meter...

  • Page 89: Using A Field Communicator To Configure The Meter

    Follow all guidelines and precautions described in the Field Communicator User Manual and in the 3812 Liquid Ultrasonic Flow Meter documentation when working in a hazardous area. Prerequisites • Emerson Field Communicator software, license, installation guide and user manual available on the One Emerson website: www.emerson.com/en-us/ catalog/ams-475-field-communicator •...
  • Page 90 9. Refer to the Menu tree in Section D.1.1 of the Rosemount HART Field Device Specification manual (00825-0300-3810) for the device fast key sequences. Included in the menu tree are: Rosemount 3812 Liquid Ultrasonic Flow Meter...

  • Page 91: Security Seals For The Meter

    Installation manual Configuration 00825-0100-3812 January 2023 • Diagram Page 1 - 3810 Series Root Menu; Overview, Configure → Manual Setup • Diagram Page 2 - Configure → Manual Setup (continued) and Alerts Setup • Diagram Page 3 - Service Tools → Alerts and Variables • Diagram Page 4 - Service Tools → Variables (continued), Service Tools →  Trends, and Service Tools → Maintenance 10.
  • Page 92 Configuration Installation manual January 2023 00825-0100-3812 Rosemount 3812 Liquid Ultrasonic Flow Meter...

  • Page 93: Appendix A Engineering Drawings

    Installation manual Engineering Drawings 00825-0100-3812 January 2023 A  Engineering Drawings A.1  Rosemount 3812 Liquid Ultrasonic Flow Meter drawings This appendix contains the following engineering drawing(s) for the ultrasonic meter: DMC-004936 3810 Series Ultrasonic Meter System Wiring Diagram Installation manual...
  • Page 94 Engineering Drawings Installation manual January 2023 00825-0100-3812 Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 95 Installation manual Engineering Drawings 00825-0100-3812 January 2023 Installation manual...
  • Page 96 Engineering Drawings Installation manual January 2023 00825-0100-3812 Rosemount 3812 Liquid Ultrasonic Flow Meter...

  • Page 97: Appendix B Open Sources Licenses

    B.1  List of Open Source licenses For a copy of the source code covered under the open source licenses indicated in this appendix, please contact flow.support@emerson.com. B.1.1  GNU General Public license For more details about GNU GPL (General Public License), follow the link below: www.gnu.org...
  • Page 98 Program a copy of this License along with the Program. You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee. Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 99 Installation manual Open Sources licenses 00825-0100-3812 January 2023 2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions: a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change.
  • Page 100 If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances. Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 101 Installation manual Open Sources licenses 00825-0100-3812 January 2023 It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices.
  • Page 102 Ty Coon, 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 103 Installation manual Open Sources licenses 00825-0100-3812 January 2023 linking proprietary applications with the library. If this is what you want to do, use the GNU Library General Public License instead of this License. B.1.2  GNU Lesser General Public license GNU LESSER GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright ©...
  • Page 104 Combined Work produced by recombining or relinking the Application with a modified version of the Linked Version. (If you use option 4d0, the Installation Information must accompany the Minimal Corresponding Source and Rosemount 3812 Liquid Ultrasonic Flow Meter...
  • Page 105 Installation manual Open Sources licenses 00825-0100-3812 January 2023 Corresponding Application Code. If you use option 4d1, you must provide the Installation Information in the manner specified by section 6 of the GNU GPL for conveying Corresponding Source.) 5. Combined Libraries. You may place library facilities that are a work based on the Library side by side in a single library together with other library facilities that are not Applications and are not covered by this License, and convey such a combined library under terms of your choice, if you do both of the following:...
  • Page 106 • Neither the name of Emerson nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
  • Page 107 Installation manual 00825-0100-3812 January 2023 Installation manual...
  • Page 108 Emerson Terms and Conditions of Sale are available upon request. The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount is a mark of one of the Emerson family of companies. All other marks are the property of their respective owners.

Table of Contents