GE DigitalFlow XGM868i Startup Manual
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GE DigitalFlow XGM868i Startup Manual

General-purpose gas flow transmitter (1 & 2 channel)
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GE
Measurement & Control
Flow
DigitalFlow™ XGM868i
General-Purpose Gas Flow Transmitter (1 & 2 Channel)
Startup Guide
910-197U Rev. F1
February 2016
Table of Contents
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Summary of Contents for GE DigitalFlow XGM868i

  • Page 1 Measurement & Control Flow DigitalFlow™ XGM868i General-Purpose Gas Flow Transmitter (1 & 2 Channel) Startup Guide 910-197U Rev. F1 February 2016...
  • Page 3 DigitalFlow™ XGM868i General-Purpose Gas Flow Transmitter (1 & 2 Channel) Startup Guide 910-197U Rev. F1 February 2016 www.gemeasurement.com ©2016 General Electric Company. All rights reserved. Technical content subject to change without notice.
  • 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 Environmental Compliance Waste Electrical and Electronic Equipment (WEEE) Directive GE Measurement & Control is an active participant in Europe’s Waste Electrical and Electronic Equipment (WEEE) take-back initiative, directive 2012/19/EU. The equipment that you bought has required the extraction and use of natural resources for its production. It may contain hazardous substances that could impact health and the environment.

  • Page 7: Table Of Contents

    Contents Chapter 1. Installation 1.1 Introduction ................... .1 1.2 Unpacking .
  • Page 8 Contents Chapter 4. Specifications 4.1 General Specifications .................55 4.1.1 Hardware Configuration .

  • Page 9: Chapter 1. Installation

    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 GE engineers. Those guidelines, which are explained in detail in this chapter, include the following specific topics: •...

  • Page 10: Site Considerations

    Chapter 1. Installation 1.3 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 11: Flowcell Location

    Also, protect the transducer cables and connections from the weather and corrosive atmospheres. Note: When using non-GE cables to connect the flow rate transducers to the Model XGM868i electronics enclosure, the cables must have electrical characteristics identical to the GE cables. Type RG62 a/u coaxial cable should be used, and each cable must be the same length (within ±4 in.).

  • Page 12: Installing A Flowcell

    Figure 1 on page 2 shows a typical Model XGM868i spoolpiece, with a mounting bracket to hold the electronics enclosure. For detailed instructions on installing the transducers and/or spoolpiece, refer to the supplied drawings and the enclosed GE Gas Transducer Installation Guide (916-049). 1.5 Installing Temperature and Pressure Transmitters Optional temperature and pressure transmitters may be installed near the ultrasonic transducer ports as part of the flowcell.

  • Page 13: Mounting The Xgm868I Electronics Enclosure

    Chapter 1. Installation 1.6 Mounting the XGM868i Electronics Enclosure The standard Model XGM868i electronics package is housed in a Type-4X weather-resistant enclosure suitable for indoor or outdoor use. Refer to Figure 8 on page 23 for the mounting dimensions and the weight of this enclosure. The Model XGM868i electronics enclosure is fitted with a mounting boss that has a single 3/4”...
  • Page 14 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. 1. Disconnect any existing power line from its source. 2.

  • Page 15: 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 16: 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. 1.7.2a Flowcell-Mounted Enclosure For an electronics enclosure mounted directly on the flowcell, wire the transducers as follows:...
  • Page 17 Chapter 1. Installation 1.7.2b 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 18: 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 19: Wiring The Serial Port

    Use the serial port to connect the Model XGM868i flow transmitter to a printer, an ANSI terminal or a personal computer. The RS232 interface is wired as Data Terminal Equipment (DTE). Table 1 lists the standard cables available from the factory for this purpose. Table 1: GE Serial Cables Part Number PC Connector...
  • Page 20 Chapter 1. Installation 1.7.4a 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 1.
  • Page 21 Chapter 1. Installation 1.7.4b 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 22: 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 63: •...
  • Page 23 Chapter 1. Installation 1.7.5b 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 24 Chapter 1. Installation 1.7.5c 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 25 Chapter 1. Installation 1.7.5c 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 26 Chapter 1. Installation 1.7.5e 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 27 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). GE recommends using 24-gauge (24 AWG) twisted-pair wire with a characteristic impedance of 120 ohms and 120-ohm termination at each end of the communications line.
  • Page 28 Chapter 1. Installation 1.7.5i 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 29 Chapter 1. Installation 1.7.5k 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 30 Chapter 1. Installation [no content intended for this page] DigitalFlow™ XGM868i Startup Guide...
  • Page 31 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 32 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 33 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 34 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 35 (UP TO 1000 FEET) SUPPLIED BY GE UPSTREAM TRANSDUCER PREAMPLIFIER (REF ONLY) FLOW COAXIAL CABLES, BNC TO BNC 10 FOOT, SUPPLIED BY GE TRANSDUCER PIPE (REF ONLY) (REF ONLY) FLYING LEAD TO BNC COAX CABLES (UP TO 1000 FEET) SUPPLIED BY GE DOWNSTREAM...
  • Page 36 Chapter 1. Installation ETHERNET ETHERNET (RJ45) (RJ45) ETHERNET FOUNDATION FIELDBUS MODBUS/TCP Terminal Block Connector Terminal Block Connector Terminal Block Connector DigitalFlow™ XGM868i Startup Guide...

  • Page 37: Chapter 2. Initial Setup

    • interface with multiple GE instruments. This chapter focuses on programming via the keypad. For information on programming the XGM868i via PanaView, refer to Appendix C of the Programming Manual.

  • Page 38: The Xgm868I Enclosure Keypad

    Chapter 2. Initial Setup 2.3 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 39 Chapter 2. Initial Setup The XGM868i Enclosure Keypad (cont.) When you power up the XGM868i, the display first shows the model and software version: 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 40: Entering Data In The Global Menu

    Chapter 2. Initial Setup 2.4 Entering Data in the Global Menu To begin programming your meter, you must select the system units from the menu as discussed below. Refer to GLOBL 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 41 Chapter 2. Initial Setup 2.4.1a Selecting Volumetric Units 1. 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 42 Chapter 2. Initial Setup 2.4.1c Selecting Mass Flow Units 1. 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 43: Activating A Channel

    Chapter 2. Initial Setup 2.5 Activating a Channel submenu permits selection of the desired measurement method. In addition, it is used to Channelx-ACTIV activate/deactivate one or both of the channels in a 2-Channel Model XGM868i. To access the Channelx-ACTIV submenu: 1.

  • Page 44: Entering System Data For The Channel

    Chapter 2. Initial Setup 2.6 Entering System Data for the Channel The Channelx-System submenu is used to enter system parameters for the channel. 2.6.0a Accessing the Channelx-System Submenu 1. From the Channel PROGRAM menu, scroll to SYSTM and press [Enter]. 2.

  • Page 45: Entering Transducer And Pipe Parameters

    Chapter 2. Initial Setup 2.6.0d Selecting Mass Flow Units 1. 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 46: Special Transducers

    Chapter 2. Initial Setup 2.7.1 Special Transducers 3. 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. 4. 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 47 Chapter 2. Initial Setup 2.7.2a Path and Axial Lengths (cont.) 8. In the same manner, enter the appropriate Axial Length L unit type and axial length of the ultrasonic signal, and press [Enter]. 9. Scroll to the desired Fluid Type and press [Enter]. Then do one of the following: •...
  • Page 48 Chapter 2. Initial Setup [no content intended for this page] DigitalFlow™ XGM868i Startup Guide...
  • Page 49 Chapter 2. Initial 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 50 Chapter 2. Initial Setup [no content intended for this page] DigitalFlow™ XGM868i Startup Guide...

  • Page 51: Chapter 3. Operation

    Chapter 3. Operation Chapter 3. Operation 3.1 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 52: Powering Up

    Chapter 3. Operation 3.2 Powering Up Because the Model XGM868i does not have an ON/OFF switch, it will power up as soon as the connected power source is energized. Note: For compliance with the European Union’s Low Voltage Directive (2006/95/EC), this unit requires an external power disconnect device such as a switch or circuit breaker.

  • Page 53: The Lcd Display

    Chapter 3. Operation 3.3 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 54: The Optional Panaview Display

    Chapter 3. Operation 3.4 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 55: Taking Measurements

    Chapter 3. Operation 3.5 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 56 Chapter 3. Operation 3.5.1 Programming the LCD (cont.) 8. 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 9. For each channel, select the desired Measurement Parameter, as shown in Table 12. Table 12: Available Measurement Parameters Option Bar Description...

  • Page 57: Using The Lcd Display

    Chapter 3. Operation Table 12: Available Measurement Parameters (cont.) Option Bar Description Good CNTdn Displays the AGC DAC count for downstream gain setting. N.A. N.A. P#up Displays signal peaks for the upstream transducer. 100-2300 <100 or >2300 P#dn Displays signal peaks for the downstream transducer. 100-2300 <100 or >2300 TEMP...

  • Page 58: 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 59 Chapter 3. Operation 3.5.3 PanaView Display (cont.) 4. From the expanded tree, double-click on the desired flow parameter to display it in the right pane of the window. 5. Before actual data values can be displayed in the text pane, activate one of the following data collection modes (see Figure 19 on page 50): •...
  • Page 60 Chapter 3. Operation 3.5.3a 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: 1. Display the first process parameter in a text screen, as described in the previous section. 2.

  • Page 61: Pausing Measurement

    Chapter 3. Operation 3.5.3b 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: 1. To open another Text Display window and display the desired process parameter(s) in the new window, repeat the steps in PanaView Display.
  • Page 62 Chapter 3. Operation 3.5.4a Procedure Options The Startup Guide is intended to provide only those instructions necessary to get the XGM868i installed and operating. By following the instructions in this chapter, the Model XGM868i can be set up to display the desired channel option and the desired measurement parameter, using either the LCD display or PanaView.

  • Page 63: Chapter 4. Specifications

    Chapter 4. Specifications Chapter 4. Specifications 4.1 General Specifications The general specifications for the Model XGM868i flow transmitter are as follows: 4.1.1 Hardware Configuration 4.1.1a 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...

  • Page 64: Velocity Range

    Chapter 4. Specifications 4.1.4 Velocity Range 4.1.4a 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 4.2.5a Digital Display: 2-line x 16-character, software-configurable, LCD display with LED backlight 4.2.5b 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) 4.3 Flow Transducer Specifications The ultrasonic flow transducer specifications for the Model XGM868i flow transmitter are as follows: 4.3.1 Physical 4.3.1a Type...

  • Page 67: Flowcell Specifications

    Optional: ANSI flanged 150 lb. to 1500 lb. 4.4.3 Pipe Size & Materials 4.4.3a Pipe OD: 2 to 120 in. (50 to 3000 mm) NB and larger. 4.4.3b Materials: All metals. Consult GE for other materials. DigitalFlow™ XGM868i Startup Guide...
  • 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 A.1 Introduction For CE Mark compliance, the Model XGM868i flow transmitter must be wired in accordance with the instructions in this appendix. CE Mark compliance is required only for units intended for use in EEC countries. IMPORTANT: A.2 Wiring The Model XGM868i must be wired with the recommended cable, and all connections must be properly shielded and...
  • 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 B.1 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 B.2 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...

  • Page 73: Setup Data

    Appendix B. Data Records B.3 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 (cont.) Channel - Input/Output Zero Cutoff Zero Cutoff Temp. Input Temp. Input Base Temp. Base Temp. Pressure Input Pressure Input Base Pressure Base Pressure Low Press. Switch Low Press. Switch Pressure Limit Pressure Limit Channel - SETUP - V Averaging Response Time...
  • Page 75 Appendix B. Data Records Table 16: Setup Data (cont.) 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

    – Standard GE 90° transducers have the face offset from the centerline of the body by 0.6 inches. Thus, a pair of transducers has a total offset of 1.2 inches, as indicated in Equation C-2. For example, suppose that the transducer installation angle is 30°...
  • 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 ....... . . 48 ....21 +MASS Data Logging Option Card .
  • Page 80 Index Initial Setup ......65 Data Table Option Cards ..... . . 29 Minimum Required .
  • Page 81 Index ........48 ........49 Td S .
  • Page 82 Index ........48 ........49 Vinst .
  • Page 83 AUTHORIZATION NUMBER (RAN), and shipping instructions for the return of the instrument to a service center will be provided. 2. If GE Sensing instructs you to send your instrument to a service center, it must be shipped prepaid to the authorized repair station indicated in the shipping instructions.
  • Page 84 Warranty [no content intended for this page] DigitalFlow™ XGM868i Startup Guide...
  • Page 85 • Cable glands of an approved flameproof design are required. These must be installed according to the manufacturer's instructions. Where the cable glands are provided by GE Sensing, the manufacturer’s instructions, as supplied to GE Sensing, will be included in the documentation.
  • Page 87 • Cable glands of an approved flameproof design are required. These must be installed according to the manufacturer’s instructions. Where the cable glands are provided by GE, the manufacturer’s instructions, as supplied, to GE, will be included in the documentation.
  • Page 89 DECLARATION Sensing CONFORMITY DOC-0003, Rev. C GE Sensing 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™...
  • Page 92 Customer Support Centers U.S.A. The Boston Center 1100 Technology Park Drive Billerica, MA 01821 U.S.A. Tel: 800 833 9438 (toll-free) 978 437 1000 E-mail: [email protected] Ireland Sensing House Shannon Free Zone East Shannon, County Clare Ireland Tel: +353 (0)61 470200 E-mail: [email protected] An ISO 9001:2008 Certified Company www.gemeasurement.com/en/about-us/quality.html...

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