1. Manuals
  2. Brands
  3. Baker Hughes Manuals
  4. Transmitter
  5. Panametrics DigitalFlow XGM868i
  6. Startup manual

Baker Hughes Panametrics DigitalFlow XGM868i Startup Manual

General-purpose gas flow transmitter (1 & 2 channel)
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
DigitalFlow™ XGM868i
General-Purpose Gas Flow Transmitter (1 & 2 Channel)
Startup Guide
BH061C41 EN F
panametrics.com

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Panametrics DigitalFlow XGM868i and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Baker Hughes Panametrics DigitalFlow XGM868i

Summary of Contents for Baker Hughes Panametrics DigitalFlow XGM868i

  • Page 1 DigitalFlow™ XGM868i General-Purpose Gas Flow Transmitter (1 & 2 Channel) Startup Guide BH061C41 EN F panametrics.com...
  • Page 3 Jul 2021 panametrics.com Copyright 2021 Baker Hughes company. This material contains one or more registered trademarks of Baker Hughes Company and its subsidiaries in one or more countries. All third-party product and company names are trademarks of their respective holders.
  • Page 4 [no content intended for this page]...
  • Page 5 Preface Information Paragraphs Note: These paragraphs provide information that provides a deeper understanding of the situation, but is not essential to the proper completion of the instructions. IMPORTANT: These paragraphs provide information that emphasizes instructions that are essential to proper setup of the equipment.
  • Page 6 Preface Qualification of Personnel Make sure that all personnel have manufacturer-approved training applicable to the auxiliary equipment. Personal Safety Equipment Make sure that operators and maintenance personnel have all safety equipment applicable to the auxiliary equipment. Examples include safety glasses, protective headgear, safety shoes, etc. Unauthorized Operation Make sure that unauthorized personnel cannot gain access to the operation of the equipment.

  • Page 7: Table Of Contents

    Contents Chapter 1. Installation Introduction ........................1 Unpacking.
  • Page 8 Contents Flow Transducer Specifications ................... .56 4.3.1 Physical .
  • Page 9 Contents DigitalFlow™ XGM868i Startup Guide...
  • Page 10 Contents viii DigitalFlow™ XGM868i Startup Guide...

  • Page 11: Chapter 1. Installation

    Chapter 1. Installation Chapter 1. Installation Introduction To ensure safe and reliable operation of the Model XGM868i Ultrasonic Flow Transmitter, the system must be installed in accordance with the guidelines established by Panametrics engineers. Those guidelines, which are explained in detail in this chapter, include the following specific topics: •...

  • Page 12: Site Considerations

    Chapter 1. Installation Site Considerations Because the relative location of the flowcell and the electronics enclosure is important, use the guidelines in this section to plan the XGM868i installation. Figure 1 shows a typical XGM868i enclosure and spoolpiece ready for insertion into a process line.

  • Page 13: Flowcell Location

    Chapter 1. Installation 1.3.2 Flowcell Location The pipeline flowcell consists of the flow rate transducers and any pressure and/or temperature transducers employed as part of the flow measurement system. Ideally, choose a section of pipe with unlimited access to the flowcell;...

  • Page 14: Installing A Flowcell

    Chapter 1. Installation Installing a Flowcell A flowcell is the section of pipe where the transducers are mounted. It can be created either by mounting the transducers on the existing pipeline or by mounting them on a spoolpiece. A spoolpiece is a separately manufactured pipe section, matched to the existing pipe, which contains ports for mounting the transducers.

  • Page 15: Making The Electrical Connections

    Chapter 1. Installation The Model XGM868i electronics enclosure is fitted with a mounting boss that has a single 3/4” NPTF threaded hole at its center and four 1/4-20 tapped holes at its corners. By using this mounting boss, the electronics enclosure may be mounted by any of the typical techniques shown in Figure 10 on page 25.
  • Page 16 Chapter 1. Installation Making the Electrical Connections (cont.) WARNING! Always disconnect the line power from the Model XGM868i before removing either the front cover or the rear cover. This is especially important in a hazardous environment. Disconnect any existing power line from its source. Loosen the set screw on the rear cover.

  • Page 17: Wiring The Line Power

    Chapter 1. Installation 1.7.1 Wiring the Line Power The Model XGM868i may be ordered for operation with power inputs of 100-120 VAC, 220-240 VAC, or 12-28 VDC. The label on the side of the electronics enclosure lists the meter’s required line voltage and power rating. The fuse size is listed in Chapter 4, Specifications.

  • Page 18: Wiring The Transducers

    Chapter 1. Installation 1.7.2 Wiring the Transducers Before wiring the XGM868i transducers, complete the following steps: • disconnect the main power from the electronics enclosure • remove the rear cover and install all required cable clamps Based on the location of the electronics enclosure, proceed to the appropriate sub-section for detailed instructions. 1.7.2.1 Flowcell-Mounted Enclosure For an electronics enclosure mounted directly on the flowcell, wire the transducers as follows:...
  • Page 19 Chapter 1. Installation 1.7.2.2 Remote-Mounted Enclosure For a remote mounted enclosure, refer to the wiring diagram in Figure 10 on page 25 and the remote transducer wiring in Figure 12 on page 27, and complete the following steps: WARNING! Before connecting the transducers, take them to a safe area and discharge any static buildup by shorting the center conductor of the transducer cables to the metal shield on the cable connector.

  • Page 20: Wiring Std 0/4-20 Ma Analog Outputs

    Chapter 1. Installation 1.7.3 Wiring Std 0/4-20 mA Analog Outputs The standard configuration of the Model XGM868i flow transmitter includes two isolated 0/4-20 mA analog outputs (designated as outputs 1 and 2). Connections to these outputs may be made with standard twisted-pair wiring, but the current loop impedance for these circuits must not exceed 600 ohms.

  • Page 21: Wiring The Serial Port

    Chapter 1. Installation 1.7.4 Wiring the Serial Port The Model XGM868i flowmeter is equipped with an RS232 or an RS485 serial interface. An RS485 option is also available with MODBUS capability. When the MODBUS option is present, the XGM868i may also have the standard RS232 serial interface.
  • Page 22 Chapter 1. Installation 1.7.4.1 Wiring the RS232 Interface (cont.) Refer to Figure 10 on page 25 to complete the following steps: WARNING! Dangerous voltages exist within the electronics enclosure. Do not attempt to wire the unit until the main power has been disconnected Disconnect the main power and remove the rear cover.
  • Page 23 Chapter 1. Installation 1.7.4.2 Wiring the RS485 Interface Use the optional RS485 serial port to network multiple XGM868i flow transmitters to a single control system. As an option, the standard RS232 port on the XGM868i may be configured as a two-wire, half-duplex RS485 interface.

  • Page 24: Wiring The Option Cards

    Chapter 1. Installation 1.7.5 Wiring the Option Cards The Model XGM868i can accommodate one option card in Slot 1 and one option card in Slot 2. The following option card functions are available only in the combinations listed in Table 14 on page 61: •...
  • Page 25 Chapter 1. Installation 1.7.5.2 Wiring an Alarms Option Card Each alarms option card includes two or four general-purpose Form C relays (designated as A, B, C and D). The maximum electrical ratings for the relays are listed in Chapter 4, Specifications. Each of the alarm relays can be wired as either Normally Open (NO) or Normally Closed (NC).
  • Page 26 Chapter 1. Installation 1.7.5.3 Wiring a 0/4-20 mA Analog Inputs Option Card To calculate the standard flow rates, the Model XGM868i requires accurate temperature and pressure data from the measurement site. Transmitters installed in the flowcell can provide this information via an optional 0/4-20 mA analog inputs option card.
  • Page 27 Chapter 1. Installation 1.7.5.3 Wiring a 0/4-20 mA Analog Inputs Option Card (cont.) Before making any connections, complete the steps in Preparing for Wiring on page 14. Wire the analog inputs as shown on the label in the rear cover (see Figure 11 on page 26). Note: The analog inputs option card can be calibrated with the Model XGM868i’s built-in analog outputs.
  • Page 28 Chapter 1. Installation 1.7.5.5 Wiring an RTD Inputs Option Card The Model XGM868i RTD (Resistance Temperature Device) inputs option card provides two or four direct RTD inputs (designated as A, B, C and D). Each RTD input requires three wires, and should be connected as shown on the label in the rear cover (see Figure 3 on page 6 and Figure 11 on page 26).
  • Page 29 Chapter 1. Installation 1.7.5.8 Wiring the MODBUS Option Card The MODBUS option card uses the RS485 standard for MODBUS communication. The MODBUS card must be installed in Slot 2. The RS485 standard allows up to 32 nodes (drivers and receivers) on one multidrop network, at distances up to 4,000 ft (1,200 m).
  • Page 30 Chapter 1. Installation 1.7.5.9 Wiring the MODBUS/TCP Interface Customers can also use a modified XGM868i that provides a MODBUS/TCP interface to communicate to an internal network. An optional MODBUS/TCP card with a unique MAC (IP) address (installed only in slot 2) includes an RJ45 connector.
  • Page 31 Chapter 1. Installation 1.7.5.11 Wiring the Foundation Fieldbus Interface To connect the Foundation Fieldbus interface to the XGM868i, make the network connections at J8, pins 1 and 2, as shown in drawing Y of Figure 13 on page 28. As an option, you can connect a shield to J8 pin 3, depending on the network wiring.
  • Page 32 Chapter 1. Installation [no content intended for this page] DigitalFlow™ XGM868i Startup Guide...
  • Page 33 Chapter 1 Installation Ø6.10 (155) 51° 2.06 7 PLCS (52) 3/4" NPTF 7 PLCS 3.86 (98) 3/4" NPTF 7 PLCS 8.20 (208) DETAIL A 0.52 (13) VIEW A-A 1.00 0.28 (7) (25) 0.25 (6) 1.50 (38) NOTES: 1. ALL DIMENSIONS ARE REFERENCE. 2.
  • Page 34 Chapter 1 Installation .135 Ø6.10 (155) .135 R .410 2.06 (52) 51° 7 PLCS .270 .205 3.86 DETAIL C (98) 8 PLACES 3/4" NPTF 7 PLCS 8.20 (208) 1.250 5.00 1.250 DETAIL A 2.375" PIPE REF ONLY 1.250 0.52 (13) .625 SEE DETAIL C 1.00...
  • Page 35 Chapter 1 Installation J2 - INPUT/OUTPUT CONNECTIONS* NOTE: For compliance with the European Union's Low Voltage Directive Pin # (2006/95/EC), this unit requires an external power disconnect device Designation I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 I/O8 I/O9 I/O10 I/O11 I/O12 such as a switch or circuit breaker.
  • Page 36 Chapter 1 Installation -01 (AA,HH) -02 (FF,TT,FT,CT,CF) -03 (FO,TO,CO) -04 (FA,FH,TA,TH,CA,CH) -05 (CI,TI,FI) -06 (CR,FR,TR) Pin 1 Pin 1 Pin 1 Pin 1 Pin 1 Pin 1 -07 (CIR) -08 (AI,HI) -09 (OI) -10 (OR) -11 (AR,HR) -12 (II) Pin 1 Pin 1 Pin 1 Pin 1...
  • Page 37 Chapter 1 Installation CHANNEL 2 FLYING LEAD TO BNC COAX CABLES (UP TO 1000 FEET) SUPPLIED BY GE TWO CHANNEL TRANSDUCER (REF ONLY) PREAMPLIFIER FLOW CHANNEL 1 TRANSDUCER PIPE (REF ONLY) (REF ONLY) FLYING LEAD TO BNC COAX CABLES (UP TO 1000 FEET) SUPPLIED BY GE UPSTREAM TRANSDUCER...
  • Page 38 Chapter 1 Installation ETHERNET ETHERNET (RJ45) (RJ45) ETHERNET ETHERNET (RJ45) (RJ45) ETHERNET FOUNDATION FIELDBUS MODBUS/TCP Terminal Block Connector Terminal Block Connector Terminal Block Connector ETHERNET FOUNDATION FIELDBUS MODBUS/TCP Terminal Block Connector Terminal Block Connector Terminal Block Connector DigitalFlow™ XGM868i Startup Guide...

  • Page 39: Chapter 2. Initial Setup

    Chapter 2. Initial Setup Chapter 2. Initial Setup Introduction This chapter provides instructions for programming the minimum amount of data required to place the Model XGM868i flowmeter into operation. Before the Model XGM868i can begin taking measurements and displaying valid data, the current system and pipe parameters must be entered.

  • Page 40: The Xgm868I Enclosure Keypad

    Chapter 2. Initial Setup The XGM868i Enclosure Keypad Keypad Program Along with the 2-line, 16-character LCD, the XGM868i includes a 6-key magnetic keypad. The decal cutout for each key contains a hall effect sensor, pushbutton switch and visible red LED. The magnetic wand used to activate a magnetic key is found attached to the meter chassis below the front panel.
  • Page 41 Chapter 2. Initial Setup The XGM868i Enclosure Keypad (cont.) When you power up the XGM868i, the display first shows the model and software version: Panametrics XGM868i Y4AM.STD The meter then starts to display measured parameters. 10.00 Ft/s To enter the Keypad Program, press the [Escape] key, followed by the [Enter] key, and the [Escape] key again. Each successive key must be entered within 10 seconds of the prior key.

  • Page 42: Entering Data In The Global Menu

    Chapter 2. Initial Setup Entering Data in the Global Menu To begin programming your meter, you must select the system units from the GLOBL menu as discussed below. Refer to Figure 15 on page 41 and remember to record all programming data in Appendix B, Data Records. Note: Refer to the Programming Manual for information on the other submenus in the GLOBL menu.
  • Page 43 Chapter 2. Initial Setup 2.4.1.1 Selecting Volumetric Units Scroll to the desired Volumetric Units for the flow rate display and press [Enter]. Table 6 lists the available volumetric units. Table 6: Available Volumetric/Totalizer Units English Metric ACF = Actual Cubic Feet ACM = Actual Cubic Meters KACF = Thousands of ACF KACM = Thousands of ACM...
  • Page 44 Chapter 2. Initial Setup 2.4.1.3 Selecting Mass Flow Units Scroll to the desired Mass Flow units for the flow rate display and press [Enter]. The available units for this prompt are determined by the selection made at the System Units screen. See Table 7. Table 7: Available Mass Flow Units English Metric...

  • Page 45: Activating A Channel

    Chapter 2. Initial Setup Activating a Channel The Channelx-ACTIV submenu permits selection of the desired measurement method. In addition, it is used to activate/deactivate one or both of the channels in a 2-Channel Model XGM868i. To access the Channelx-ACTIV submenu: From the Keypad Program, scroll to CH1 or CH2 and press [Enter].

  • Page 46: Entering System Data For The Channel

    Chapter 2. Initial Setup Entering System Data for the Channel The Channelx-System submenu is used to enter system parameters for the channel. 2.6.0.1 Accessing the Channelx-System Submenu From the Channel PROGRAM menu, scroll to SYSTM and press [Enter]. The first prompt asks for the Channel Label.Use the four scrolling keys to enter the desired label (in any numeric or text combination up to five characters), and press [Enter].

  • Page 47: Entering Transducer And Pipe Parameters

    Chapter 2. Initial Setup 2.6.0.4 Selecting Mass Flow Units Scroll to the desired Mass Flow units for the flow rate display and press [Enter]. The available units for this prompt are determined by the selection made at the System Units prompt. See Table 9 below. Table 9: Available Mass Flow Units English Metric...

  • Page 48: Special Transducers

    Chapter 2. Initial Setup 2.7.1 Special Transducers Scroll to the transducer Frequency (supplied by the factory) and press [Enter]. Note: The frequency is required to transmit an excitation voltage at the transducer’s natural frequency. Enter the special transducer Tw (time delay) value (supplied by the factory) and press [Enter]. Tw is the time required for the transducer signal to travel through the transducer and its cable.
  • Page 49 Chapter 2. Initial Setup 2.7.2.1 Path and Axial Lengths (cont.) In the same manner, enter the appropriate Axial Length L unit type and axial length of the ultrasonic signal, and press [Enter]. Scroll to the desired Fluid Type and press [Enter]. Then do one of the following: •...
  • Page 50 Chapter 2. Initial Setup [no content intended for this page] DigitalFlow™ XGM868i Startup Guide...
  • Page 51 Chapter 2 Instal Setup [Esc] [Enter] [Esc] PROG RESET CALIB CNTRS Reset Totals (* for 2-Channel meter only) See Service Manual CH2* GLOBL DARKN LITEN STORE ABORT SYSTM COMM Meter Message System Units ACTIV SYSTM PIPE SETUP Channel Label Transducer Number English Metric Site/Channel Message...
  • Page 52 Chapter 2 Instal Setup DigitalFlow™ XGM868i Startup Guide...

  • Page 53: Chapter 3. Operation

    Chapter 3. Operation Chapter 3. Operation Introduction See Chapter 1, Installation, and Chapter 2, Initial Setup, to prepare the Model XGM868i system for operation. When the meter is ready to take measurements, proceed with this chapter. The following specific topics are discussed: •...

  • Page 54: The Lcd Display

    Chapter 3. Operation The LCD Display The components of the LCD display are shown in Figure 16, along with a typical mass flow rate readout. Channel # Parameter CH1 MASS 4500 LB/HR XGM868i Flow Rate Units Figure 16: A Typical LCD Flow Rate Display As shown in Figure 16, the display screen includes the following information: •...

  • Page 55: The Optional Panaview Display

    Chapter 3. Operation The Optional PanaView Display The components of the PanaView text display appear in Figure 17, along with a typical flow rate readout. Figure 17: A Typical PanaView Text Display Pane As shown in Figure 17, the text pane includes the following information: •...

  • Page 56: Taking Measurements

    Chapter 3. Operation Taking Measurements The Model XGM868i is capable of displaying several different variables in a variety of formats. However, this manual will discuss only the basic measurement displays using the LCD display or the PanaView display. Refer to Chapter 2, Displaying Data, in the Programming Manual for instructions on setting up alternate choices.
  • Page 57 Chapter 3. Operation 3.5.1 Programming the LCD (cont.) Scroll to the desired Channel option, as listed in Table 11. Table 11: Channel Options Option Description Channel 1 Channel 2 CH1+CH2 CH1-CH2 (CH1+CH2)/2 For each channel, select the desired Measurement Parameter, as shown in Table 12. Table 12: Available Measurement Parameters Option Bar Description...

  • Page 58: Using The Lcd Display

    Chapter 3. Operation Table 12: Available Measurement Parameters Option Bar Description Good PRESR Displays the gas pressure (from 0/4-20 mA input). N.A. N.A. AcVOL Displays actual volumetric flow. N.A. N.A. StVOL Displays standard volumetric flow. N.A. N.A. Displays Skan transit time upstream. N.A.

  • Page 59: Panaview Display

    Chapter 3. Operation 3.5.3 PanaView Display Power up PanaView, establish communications with the XGM868i and enter the required startup parameters, as described in Chapter 2, Initial Setup. Then, proceed as follows: Note: See Chapter 2, Initial Setup, in this manual and/or Chapter 1, Programming Site Data, in the Programming Manual for complete instructions on entering startup data via PanaView.
  • Page 60 Chapter 3. Operation 3.5.3 PanaView Display (cont.) From the expanded tree, double-click on the desired flow parameter to display it in the right pane of the window. Before actual data values can be displayed in the text pane, activate one of the following data collection modes (see Figure 19 on page 49): •...
  • Page 61 Chapter 3. Operation 3.5.3.1 Displaying Multiple Process Parameters The procedure for displaying a single process parameter in a text screen may be repeated to simultaneously display multiple process parameters. To do so, proceed as follows: Display the first process parameter in a text screen, as described in the previous section. Repeat Step 1 for any desired additional process parameters, by double clicking on them in the PanaView network tree.

  • Page 62: Pausing Measurement

    Chapter 3. Operation 3.5.3.2 Displaying Multiple Text Windows The procedures for displaying one or more process parameters in a single Text Display window may be repeated to open multiple Text Display windows. To do so, proceed as follows: To open another Text Display window and display the desired process parameter(s) in the new window, repeat the steps in PanaView Display.

  • Page 63: Chapter 4. Specifications

    Chapter 4. Specifications Chapter 4. Specifications General Specifications The general specifications for the Model XGM868i flow transmitter are as follows: 4.1.1 Hardware Configuration 4.1.1.1 Enclosures: Standard: Epoxy-coated aluminum Type 4X/IP66 Class 1, Division 1, Groups B C and D Flameproof ISSeP 02ATEX008 II 2GD EE d IIC T5 IP66 T95°C Optional: Stainless steel 4.1.1.2...

  • Page 64: Velocity Range

    Chapter 4. Specifications 4.1.4 Velocity Range 4.1.4.1 Bidirectional: –150 to –0.1 ft/s (–46 to –0.03 m/s) 0.1 to 150 ft/s (0.03 to 46 m/s) 4.1.5 Rangeability 1500:1 4.1.6 Repeatability 0.2% to 0.5% of reading Note: Specifications assume a fully developed flow profile, with a typical straight run of pipe 20 diameters upstream and 10 diameters downstream, and flow velocity greater than 3 ft/s (1m/s).

  • Page 65: Input/Output Specifications

    Chapter 4. Specifications 4.2.5 Input/Output Specifications 4.2.5.1 Digital Display: 2-line x 16-character, software-configurable, LCD display with LED backlight 4.2.5.2 Digital Communications: Standard: RS232 serial port for PC, Terminal or Printer Optional: RS485 serial port for multi-user network RS485 MODBUS Communications MODBUS/TCP Ethernet Foundation Fieldbus...

  • Page 66: Preamplifier

    Chapter 4. Specifications 4.2.6 Preamplifier Inline preamplifier for long cable lengths or attenuating installations, operating temperature –40° to 140°F (–40° to 60°C) Flow Transducer Specifications The ultrasonic flow transducer specifications for the Model XGM868i flow transmitter are as follows: 4.3.1 Physical 4.3.1.1 Type...

  • Page 67: Flowcell Specifications

    Chapter 4. Specifications Flowcell Specifications The flowcell specifications for the Model XGM868i flow transmitter are as follows: 4.4.1 Spoolpiece 4.4.1.1 Process Connections: Flanged, welded optional 4.4.1.2 Transducer Connections: 1-1/2 in., 300 lb. RF flange 600 lb. PanaPort 4.4.2 Cold Tap 4.4.2.1 Process Connections: NA 4.4.2.2...
  • Page 68 Chapter 4. Specifications [no content intended for this page] DigitalFlow™ XGM868i Startup Guide...

  • Page 69: Appendix A. Ce Mark Compliance

    Appendix A. CE Mark Compliance Appendix A. CE Mark Compliance Introduction For CE Mark compliance, the Model XGM868i flow transmitter must be wired in accordance with the instructions in this appendix. IMPORTANT: CE Mark compliance is required only for units intended for use in EEC countries. Wiring The Model XGM868i must be wired with the recommended cable, and all connections must be properly shielded and grounded.
  • Page 70 Appendix A. CE Mark Compliance [no content intended for this page] DigitalFlow™ XGM868i Startup Guide...

  • Page 71: Appendix B. Data Records

    Appendix B. Data Records Appendix B. Data Records Available Option Cards The Model XGM868i can hold one option card in Slot 1 and one in Slot 2. The available configurations are listed in Table 14 below. Table 14: Option Card Configurations Card # Slot # Configuration...

  • Page 72: Option Cards Installed

    Appendix B. Data Records Option Cards Installed Whenever an option card is installed or changed in the Model XGM868i flow transmitter, record the type of card and any additional setup information in the appropriate row of Table 15 below. Table 15: Option Cards Installed Slot # Type of Option Card Additional Setup Information...

  • Page 73: Setup Data

    Appendix B. Data Records Setup Data After the Model XGM868i flow transmitter has been installed, setup data must be entered via the User Program prior to operation. Record that information in Table 16 below. Table 16: Setup Data General Information Model # Serial # Software Vers.
  • Page 74 Appendix B. Data Records Table 16: Setup Data Base Pressure Base Pressure Low Press. Switch Low Press. Switch Pressure Limit Pressure Limit Channel - SETUP - V Averaging Response Time Response Time Channel - SETUP - Advanced Features - Multi K Factors K-Factor # Velocity K-Factor...
  • Page 75 Appendix B. Data Records Table 16: Setup Data Global - System Meter Message Totalizer Units System Units English Metric Tot. Dec. Digits Pressure Units Mass Flow Atmos. Pressure Mass Flow Time Vol. Units MDOT Dec. Digit Vol. Time Units Mass Totals Vol.
  • Page 76 Appendix B. Data Records [no content intended for this page] DigitalFlow™ XGM868i Startup Guide...

  • Page 77: Appendix C. Measuring P And L Dimensions

    Appendix C. Measuring P and L Dimensions Appendix C. Measuring P and L Dimensions Introduction When programming the PIPE menu in the Model XGM868i’s User Program, the path length (P) and the axial dimension (L) must be entered. These parameters are determined by measurements on the actual transducer installation, with P equal to the face-to-face distance between the transducers and L equal to the axial distance between the centers of the transducer faces.
  • Page 78 Appendix C. Measuring P and L Dimensions 180° Installation Pipe Thickness Pipe O.D. Bias 90° Installation Figure 22: Top View of Typical Transducer Installations DigitalFlow™ XGM868i Startup Guide...
  • Page 79 Index Symbols Escape Key ............30 +MASS.
  • Page 80 Index Measurements ..........46 RS485 Serial Port Displaying .
  • Page 81 Index Transducers 180° Installation ..........67 Axial Dimension .
  • Page 82 Index DigitalFlow™ XGM868i Startup Guide...
  • Page 83 Warranty Warranty Each instrument manufactured by Panametrics Sensing is warranted to be free from defects in material and workmanship. Liability under this warranty is limited to restoring the instrument to normal operation or replacing the instrument, at the sole discretion of Panametrics Sensing. Fuses and batteries are specifically excluded from any liability.
  • Page 84 Warranty [no content intended for this page] DigitalFlow™ XGM868i Startup Guide...
  • Page 85 Installing Panametrics Measurement & Control Ultrasonic Flow Transmitters in a Potentially Hazardous Area When installing this apparatus in a potentially hazardous area, the following requirements must be met: • The installation shall comply with IEC 60079-14. • Apparatus Markings: Ex d IIC T6 Gb •...
  • Page 86 [no content intended for this page] DigitalFlow™ XGM868i Startup Guide...
  • Page 87 Certification & Safety Statements for Panametrics Measurement & Control Ultrasonic Flow Transmitters When installing this apparatus, the following requirements must be met: • Field wiring shall be rated at least 10°C above 70°C. • Connecting cables shall be mounted securely and protected from mechanical damage, pulling and twisting. •...
  • Page 88 [no content intended for this page] DigitalFlow™ XGM868i Startup Guide...
  • Page 89 Panametrics 1100 Technology Park Drive Billerica, MA 01821 declare under our sole responsibility that the DigitalFlow™ XGF868i Ultrasonic Flare Gas Flow Transmitter DigitalFlow™ XGM868i Ultrasonic Gas Flow Transmitter DigitalFlow™ XGN868i Ultrasonic Natural Gas Flow Transmitter DigitalFlow™ XGS868i Ultrasonic Steam Flow Transmitter DigitalFlow™...
  • Page 90 [no content intended for this page] DigitalFlow™ XGM868i Startup Guide...
  • Page 92 E-mail: mstechsupport@bakerhughes.com Copyright 2021 Baker Hughes company. This material contains one or more registered trademarks of Baker Hughes Company and its subsidiaries in one or more countries. All third-party product and company names are trademarks of their respective holders. BH061C41 EN F (07/2021)

Table of Contents