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DigitalFlow™ XMT868i - GE Measurement & Control

1. sux 186 D Gens I 1 en 2 sux mn M maus 1 FR VOL DECIMAL DIGITS TOTALIZER UNITS Engish Metti 1 I Cw ws wm 1 ma ume J 1 I 1 www rows KCalis MASS FLOW OFF MASS FLOW TIME sec MDOT DECIMAL DIGITS Engish 1 1 TONNES ENERGY OPTION OFF ENERGY OPTION ON POWER DECIMAL DIGITS 91 02 ENERGY TOTAL Engin MASS FLOW Engish rons 1 1 TOTAL DECIMAL DK Lee I Mord Kcal I I 1 ENERGY DECIMAL DIGITS 2 8 32 HEATING or COOLING es Coot near FLOW MEASUREMENT Gr 3 mass FLOW 55 FLOW OFF MASS FLOW TIME MASS TOTALS English Gs I I 1 rons FES MASS DECIMAL DIGITS ENERGY OPTION OFF ENERGY OPTION ON ENERGY OPTION O
2. PIPE OD English Metric Metric en m ses found Er KNEMATIC viscosity CALIBRATION FACTOR Clamp On Transducers Wetted Transducers NUMBER OF TRAVERSES 2 TRANSDUCER SPACING PIPE WALL PATH LENGTH P English inch no ves LINING MATERIAL fusen OTHER LINING SOUNDSPEED LINING THICKNESS Energy Option ON Energy Option OFF SYSTM See Figure 22 FLUID TYPE Komm WATER FLUID SOUNDSPEED TEMPERATURE IL OTHER MINIMUM SOUNDSPEED MAXIMUM SOUNDSPEED REYNOLDS CORRECTION Active KV INPUT SELECTION 565 Grave KINEMATIC VISCOSITY Clamp On Transducers CALIBRATION FACTOR NUMBER OF TRAVERSES 2 2 5 TRANSDUCER SPACING Wetted Transducers Channel PIPE Menu Map Figure 2 3 Initial Setup 2 21 Chapter 3 Operation a 3 1 Powering UD susanne uen 3 2 The LED Display Sa A A
3. of 1 1 typical for calibrated systems Note Above specifications require a straight run of 10 pipe diameters upstream and 5 pipe diameters downstream Transit Time Mode Acoustically conductive fluids This includes most clean liquids and many with entrained solids or gas bubbles the maximum void fraction depends on the transducer interrogation carrier frequency path length and pipe configuration Consult the factory for additional information The electrical specifications for the Model XMT868i flow transmitter are divided into the following categories Options Standard 95 to 240 VAC 50 60 Hz 10 Optional 12 to 28 VDC 5 Power Consumption 20 W maximum Flow Measurement Standard Correlation Transit Time Mode with clamp on or wetted transducers Energy Measurement optional To calculate energy flow rate use Analog Input Board for transmitters Use RTD Input Board for direct RTDs This unit complies with EMC Directive 89 336 EEC and 73 23 EEC Low Voltage Directive Installation Category II Pollution Degree 2 and transducers comply with PED 97 23 EC for DN lt 25 4 2 Specifications 2007 Input Output Additional Options Digital Display 2 line x 16 character LCD display LED backlight configurable to display up to 4 measurement parameters in sequence or to scroll through measurement parameters Digital Communications Standard RS232 serial port for PC
4. 1 2 Site ce sc ato oot ER Gode eS Deco tat eta day A A 1 2 Electronics Enclosure er aes 1 2 FIOWEEI Locatii ee crus sate ERR mes nep 1 3 Tiansduc r caius cet MET ear 1 3 Cable te e 1 3 CODES een en 1 3 CONN nr 1 4 Installing Temperature Transmitters 0 ns 22552 8 e dome ted dent gan 1 4 Mounting the XMT868i Electronics 5 tee odd oun wkd RA Aer 1 5 Making Eleetucal Corifisstloriss usos ee ii 1 6 Wiring the Ele POWE Ha e sha nls Der Fer exo rite pata M Mit ie drole m d aas Ee ets 1 7 Witing E 1 9 Wiring Standard 0 4 20 mA Analog Outputs 1 10 Wiring the Sendal Port eo ath inch hats Leste ico 1 11 ANR st ced xor LE 1 13 Chapter 2 Initial Setup 2 1 ESGBrEHelosure lhirared KEV PAG en ie 2 2 Ehtenng Data inthe Global 2 4 Entering Global Ia ek Ee ety Tr abe d ae 2 4 Entering Data in the Channel ea a 2 9 Selecting the Channel Measurement Method 2 9 Entering
5. NC NC NC NC NC NC RTD C CONM C COM C RTD D COMM D COM D AFREQ OUT AFREQRTN ANC B ALARM NO B ALARM COM B ALARM NC C 24 OUT C ANALOG C ANALOG IN RTN D 24v OUT D ANALOG IN D ANALOG IN RTN HART HARTIOUT A NC NC NC NC NC NC NC NC NC NC CI TI FI OUT A RIN A NC OUT B RIN B NC OUTC Z4V INPUTC INPUT C OUTD 24V INPUTD INPUT D AR HR ALARMA NO ALARMA COM ALARMA ALARMB ALARMB ALARMB RTD COMM COM RTD COMM COM CR FR TR OUT A RTN A NC OUT B RIN B NC RTD C COMM C COM C RTD D CONM D COM D HART OI OUTA 24V INPUTA INPUT A OUT B 24V INPUTB INPUT 8 RTN OUT C 24V INPUT C INPUT C RTN OUTD 24V INPUTD INPUT D RTN HARTIOUT A HARTIOUT A NC NC NC NC OUT C 24V INPUT C INPUT D RTN OUT D 24V INPUT D INPUT CRTN F F HH A FREQ OUT AFREQRIN ANC B FREQ OUT B FREORTN BAC C ALARM NO C ALARM COM C ALARM NC D ALARM NO D ALARM COM D ALARM NC NOTE Input A Standard Alarm H Hermetic Alarm F Frequency Output T Totalizer Output Current Input Current Output O Blank No Connection Figure 1 11 Option Card Connection Labels ref dwg 442 615 Installation 1 24 2007 ETHERNET RJ45 ETHERNET R
6. Seu 2 16 L Pipe Lining 2 17 Pipe Material 2 15 LCD Option 3 5 Pipe OD 2 16 Left Arrow Key slt ge nn 2 2 Pipe OD Programming 2 16 Lightning Protector Connecting l 9 pipe Wall Thickness 2 16 Liquid Crystal Display Transmitter Power Setting Up 3 5 ss desserte sun 1 7 LVD Statement 1 2 1 7 Powering Up M Display nn as anne 3 2 Mass Flow Data Programming 2 7 Internal Checks SA Ur AR 3 2 Mass Flow Option Programming 2 12 Pressure Transmitter Measurements Installing 1 4 Displaying eim neben 3 2 3 5 3 2 3 5 Menus Right Arrow Key 2 2 Output irait bet Bl e 3 9 RS232 Port MODBUS 1 18 See Serial Port MODBUS T CP Wiring the ee ee 1 19 RS485 Port Multiple Parameter Text Displays 3 11 Sea Serial Port Multiple Text Windows 3 12 RS485 Serial Port MODBUS Uns tet 1 18 Inputs Option Card Option Card Connecting 1 17 Alarms unserer ke 1 13 Analog Inputs 1 15 Analog Outputs 1 17 1 20 48 Inputs RR 1 17 Setup Information Table
7. B 2 Totalizer Frequency Outputs 1 16 Output Menu 3 9 2 Index 2007 Index cont 5 Serial Port Cable Susan Mean sate iae 1 11 Connecting 1 11 1 12 Pin Assignments 1 11 1 12 Slot 0 Output Measurement Options 3 6 See Analog Outputs Slot 0 Special Transducers Programming 2 14 Specifications Electrical 4 2 G n ral Give cite ess 4 1 Transducer 4 4 4 5 System Channel Submenu 2 10 System Global 2 4 System Data Entering in GLOBL Menu 2 4 System Units in GLOBL SYSTM Submenu 2 4 T Temperature Transmitter Installing 1 4 Terminal Block Analog Outputs I O 1 10 Power TBL eene us 1 7 Serial Port RS232 1 11 Serial Port RS485 1 12 Time Delay tt ae 2 14 Totalizer Units in Channel Menu 2 11 in GLOBL Menu 2 6 Totalizer Frequency Option Card Connecting 1 16 Tracking Windows 2 17 Transducer Number 2 14 Transducer Parameters Programming 2 14 Transducers Axial Dimension C 1 Cables its nei 1 3 Installation Angle
8. Sensing DigitalFlow XMT868i Panametrics Ultrasonic Flow Transmitter for Liquids Startup Guide Sensing DigitalFlow 868 Panametrics Ultrasonic Flow Transmitter for Liquids Startup Guide 1 and 2 Channel 910 171UD May 2007 DigitalFlow is GE Panametrics product GE Panametrics has joined other GE high technology sensing businesses under a new name GE Sensing 2007 Warranty Return Policy Each instrument manufactured by GE Sensing Inc 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 GE Fuses and batteries are specifically excluded from any liability This warranty is effective from the date of delivery to the original purchaser If GE determines that the equipment was defective the warranty period is one year general electronic failures of the instrument one year for mechanical failures of the sensor If GE determines that the equipment was damaged by misuse improper installation the use of unauthorized replacement parts or operating conditions outside the guidelines specified by GE the repairs are not covered under this warranty The warranties set forth herein are exclusive and are in lieu of all other warranties whether statutory express or implied including warranties of merchantabili
9. Energy Option Vol Units Vol Dec Digits Vol Units Vol Dec Digits Totalizer Units Totalizer Units Tot Dec Dig Tot Dec Dig Mass Flow Mass Flow Time MDOT Dec Dig Mass Flow Mass Flow Time MDOT Dec Dig Mass Totals Mass Totals Mass Dec Digits Mass Dec Digits Power Power Power Dec Dig Power Dec Dig Energy Total Energy Total Energy Dec Dig Energy Dec Dig Heat or Cool Heat or Cool Flow Meas Flow Meas Inot available for 1 Channel meter Site Message for 1 Channel meter Data Records B 3 2007 Table 3 Site Data cont CHANNELx I O empnput LE OT ine Pipe Transducer Parameters PIPE Channel 1 Channel 2 if applicable Trans Type STD SPEC Trans Type STD SPEC Transducer Transducer Special Transducers Special Transducers Wedge Rayl Shear Wettd Wedge Rayl Shear Wettd Frequency Hz Frequency Hz Trans Tw Trans Tw Wedge Angle Wedge Angle Wedge Sndspd Wedge Sndspd Pipe Material Pipe Material All Clamp On and Wetted Transducers Clamp On and Wetted Transducers Pipe O D Pipe O D Pipe Wal Path Length P Path Length P Axial Length L Axial Length L Lining Yes No Lini
10. 1 Desig AOUT1 AOUT1 AOUT2 AOUT2 Description Analog Output Analog Output A Analog Output B Analog Output B DC POWER INPUT Pin 1 2 3 Description Line Positive Line Negative No Connection AC POWER INPUT Pin 1 Description Line Power Line Neutral Earth Ground Figure 1 10 Model XMT868i Wiring Diagram Installation 1 23 2007 ALARMA NO ALARMA COM ALARM A NC ALARM B NO ALARM B COM ALARM B NC ALARM C NO ALARM C COM ALARM C NC ALARM D NO ALARM D COM ALARM D NC CIR OUT A RIN A NC OUT B RIN B NC OUTC 24V INPUT C INPUT C RTN RTD D COMM D COM D RR RID A COMM A COM A RTD B COMM B COM B RTD C CONM C COM C RTD D CONM D COM D FF TT FT CT CF Pin 1 OUT A RIN A NC OUT B RIN B NC OUT C RIN C NC OUT D RIN D NC ALARM A NO ALARMA COM ALARMA NC ALARM B NO ALARM B COM ALARM B NC 0 0 44 WPUTC INPUT C RTN OUTD 24V INPUT D INPUT D RTN IR OUT A 24V INPUT A INPUT A RIN OUTB 24V INPUTB INPUTB RTD COMM COM RTD COMM COM H TA TH CA CH OUT A RIN A NC RIN B NC ALARM NO ALARM C COM ALARM C NC ALARM D NO ALARM D COM ALARM D NC Ol NC NC NC NC NC NC OUT C 24V INPUTC INPUT C RTN OUTD 24V INPUTD INPUTD RIN OR
11. C 1 OCATION ser ses 1 3 Path Length E C 1 Transmitter LCD Setting Up 3 5 U Unpacking re 1 2 Up Arrow 2 2 User Program Global Menu LCD Option 3 5 V Voltage Input 1 7 Volumetric Units in Channel Menu 2 10 in GLOBL Menu 2 5 W Wedge Angle 2 15 Wedge Soundspeed 2 15 Wedge Temperature 2 15 Wedge 2 14 Windows i ni ad 3 11 Tiling idees 3 11 Wiring CE Mark Compliance 1 Option Card See Card Name Terminal Block See Block Name Index DECLARATION Sensing OF CONFORMITY We Panametrics Limited Shannon Industrial Estate Shannon County Clare Ireland declare under our sole responsibility that the DigitalFlow XGM868i Ultrasonic Gas Flow Transmitter DigitalFlow XGS868i Ultrasonic Steam Flow Transmitter DigitalFlow XMT868i Ultrasonic Liquid Flow Transmitter to which this declaration relates are in conformity with the following standards EN 50014 1997 A1 A2 1999 EN 50018 2000 EN50281 1 1 1998 as specified in 155 02 008 Il 2 GD EEx d IIC T5 ISSeP B7340 Colfontaine Belgium EN 61326 1998 Class A Annex A Continuous Unmonit
12. Me n A 1 Appendix B Data Records Avala ble Option EOM RE 1 Option Cards sie ne 2 prac T 3 Appendix Measuring P and L Dimensions 1 vi Chapter 1 Installation Introd ction sans en a 1 1 Unpacking 1 2 Site Considerations s de Ar 1 2 Installing a 35 DO eee er 1 4 Installing Temperature Transmitters 1 4 Mounting the XMT868i Electronics Enclosure 1 5 Making Electrical Connections 1 6 Procedure lt 1 20 2007 Introduction To ensure safe and reliable operation of the Model 8681 Flowmeter the system must be installed in accordance with the guidelines established by GE Sensing s engineers Those guidelines explained in detail in this chapter include the following topics Unpacking the Model 8681 system Selecting suitable sites for the electronics enclosure and the flowcell transducers Installing the flowcell transducers Note See the enclosed Transducer Installation Guide for detailed instructions on transducer installation 9 Installing optional temperature transmitters Installing the electronics enclosure Wiring the electronics enclosur
13. PVC Polyvinyl Chloride CPVC Acrylic Enter the soundspeed of the pipe material and press Enter If the soundspeed is unknown refer to the Sound Speeds and Pipe Size Data manual 914 004 Initial Setup 2 15 2007 Pipe OD 5 To select the appropriate Pipe OD Unit type from the list shown in Table 2 12 below scroll to the right side of the screen and use the up and down arrow keys to step through the list Press Enter Then enter the known pipe outside diameter or circumference on the left side and press Enter Obtain the required information by measuring either the pipe outside diameter OD or circumference at the transducer installation site The data may also be obtained from standard pipe size tables found in Sound Speeds and Pipe Size Data 914 004 Table 2 12 Available Pipe OD Units English inch mm millimeters feet m meters in PI pipe circumference in mm PI pipe circumference in inches millimeters ft PI pipe circumference in m PI pipe circumference in feet meters 6 Use the arrow keys to enter the known Pipe Wall Thickness in inches or mm and press Enter If you are using clamp on transducers skip to step 9 on the next page Path and Axial Lengths 7 To enter the Path Length a Use the gt arrow key to highlight the path length unit type at the right of the screen Then use the and V arrow keys to scroll to the desired unit type b Use th
14. 3 Place a rod or long screwdriver across the cover in the slots provided and rotate the cover counterclockwise until it comes free from the enclosure 4 Install any required cable clamps in the appropriate conduit holes around the side of the enclosure 5 Note the labels inside the rear cover to assist in wiring the power and option card connections Also Figure 1 11 on page 1 24 shows the rear cover option card labels for every available option card configuration Proceed to the appropriate section of this chapter to make the desired wiring connections 1 6 Installation 2007 Option Card Connections Power Connections Z Label Set Screw Slots Inside View Outside View Figure 1 3 Rear Cover with Connection Labels Wiring the Line Power The Model 8681 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 Be sure to connect the meter only to the specified line voltage Note For compliance with the European Union s Low Voltage Directive 73 23 EEC this unit requires an external power disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible directly accessible and located within 1 8 m 6 ft of the Model XMT868i Refer to Figure 1 10 on pag
15. terminal or printer Optional RS485 serial port for multi user network RS485 MODBUS communication MODBUS TCP OPC Server Ethernet Foundation Fieldbus Analog Outputs built in Standard Two isolated 0 4 20 mA 600 max load Option Cards Optional Inputs Outputs of the following types may be added Analog Inputs two isolated 0 4 20 mA inputs 24 V loop power RTD Inputs two isolated 3 wire RTD inputs Span 148 to 662 F 100 to 350 C 100 Pt Alpha 385 Analog Outputs two isolated 0 4 20 mA analog outputs 1000 Q maximum load Data Logging 128 kB or 2 MB memory Totalizer or Frequency Outputs two or four optically isolated pulse or frequency outputs 100 VDC 3 W 10 KHz max Totalizer Mode one pulse per defined unit of parameter e g 1 pulse gal Frequency Mode pulse frequency proportional to magnitude of parameter e g 10 Hz 1 gal min Alarm Relays two or four Form C relays General Purpose 120 VAC 28 VDC max 5 max DC 30 W max AC 60 VA max Note The above optional inputs outputs are available only in specific combinations Consult GE Sensing or see Table B 1 on page B 1 for details PC Interface Software PanaViewTM software option links the 8681 to a PC Software package includes CD and manual Specifications 4 3 2007 Transducer Wetted Transducers Material Standard 316 Stainless Steel Optional for isol
16. Hour ML D MegaLiters per Day m 3 s Cubic Meters per Second m 3 m Cubic Meters per Minute m 3 h Cubic Meters per Hour BBL S Barrels per Second BBL M Barrels per Minute BBL H Barrels per Hour BBL S Barrels per Second BBL M Barrels per Minute BBL H Barrels per Hour BBL D Barrels per Day BBL D Barrels per Day MBL D Mega Barrels per Day MBL D Mega Barrels per Day N A I M Acre inches per minute N A I H Acre inches per hour N A A 1 D Acre inches per day N A A F S Acre feet per second N A N A A F H Acre feet per hour N A A F D Acre feet per day N A gt lt A 1 S Acre inches per second gt A F M Acre feet per minute 2 10 Initial Setup 2007 Entering Data in the 6 Scroll to the desired number of Vol Decimal Digits digits to the Channel System Option right of the decimal point in the volumetric flow display and cont press Enter 7 Scroll to the desired Totalizer Units for the totalized flow rate display listed in Table 2 7 below and press Enter Table 2 7 Totalizer Units English GAL U S Gallons MGAL Mega U S gallons uberem Mft 3 Mega Cubic Feet SENTE MBBL Megabarrels AC IN Acre inches 996 Acre feet 8 Scroll to the desired number of Decimal Digits digits to the right of the decimal point in the totalized flow rate display and press Enter The program now varies depending on whether you h
17. Ireland Sensing House Shannon Free Zone East Shannon County Clare Ireland
18. MODBUS TCP IP 1477 01 2 Ethernet 1475 01 2 Foundation Fieldbus Data Records B 1 2007 ap m m m pc m _ m a emmmpj 1 zz zzx Option Cards Installed Whenever an option card is installed or changed in the XMT868i flow transmitter record the type of card and any additional setup information in the appropriate row of Table B 2 below Table B 2 Option Cards Installed Type of Option Card Additional Setup Information Analog Outputs B 2 Data Records 2007 Site Data specific site data After the Model XMT868i flow transmitter has been installed must be entered via the Keypad Program prior to operation Record that information in Table B 3 below Table B 3 Site Data General Information Model Software Vers Meter Message GLOBL SYSTEM Serial Setup Date Vol Dec Digits System Units English Metric Totalizer Units Vol Units Error Handling Meter Meter Address GLOBL I O ERROR GLOBL COMM Tot Dec Dig Yes 2 Path Error No MOD Parity Rate MOD Baud Rate MOD Stop Bits MOD Address CHANNEL X ACTIV Channel 1 Channel 2 if applicable Channel Status Trans off Channel Status off Trans CHANNEL X SYSTM Channel 1 Channel 2 if applicable Channel Label Channel Label Chan Message Chan Message Energy Option
19. Option Cards The XMT868i can accommodate one option card in Slot 1 and one in Slot 2 The available configurations are listed in Table B 1 below Table B 1 Option Card Configurations Card 713 Slot Configuration 1215 02 1 FF 4 Frequency Outputs 1215 03 TT 4 Totalizer Outputs 1215 04 FT 2 Frequency Outputs 2 Totalizer Outputs 1215 05 FO 2 Frequency Outputs 1215 06 TO 2 Totalizer Outputs 1215 07 AA 4 Standard Alarms 1215 09 FA 2 Frequency Outputs 2 Standard Alarms 1215 11 TA 2 Totalizer Outputs 2 Standard Alarms 1223 02 1473 02 01 2 Current Inputs 1223 03 1473 03 OR 2 RTD Inputs 1223 04 1473 04 TI 2 Current Inputs 2 Totalizer Inputs 1223 05 1473 05 TR 2 Inputs 2 Totalizer Inputs 1223 06 1473 06 FI 2 Current Inputs 2 Frequency Inputs 1223 07 1473 07 2 Inputs 2 Frequency Inputs 1223 08 1473 08 Al 2 Current Inputs 2 Standard Alarms 1223 10 1473 10 2 RTD Inputs 2 Standard Alarms 1225 13 CO 2 Current Outputs 1225 14 CF 2 Current Outputs 2 Frequency Outputs 1225 15 CT 2 Current Outputs 2 Totalizer Outputs 1225 16 CA 2 Current Outputs 2 Standard Alarms 1430 03 RR 4 Inputs 1430 04 IR 2 Inputs 2 Current Inputs 1146 02 1332 02 2 128 KB Memory 1146 03 1332 03 2 MB Memory 1345 04 Modbus Communications Protocol 1477 03 2
20. XMT868i s RS232 connector as shown in Table 1 4 below and Figure 1 12 on page 1 25 Note The MAC address for a specific XMT868i is included with customer documentation For more information on setting up the MAC address refer to Appendix C of the Programming Manual Table 1 4 RS232 to Ethernet Interconnections XMT868i Terminal Block Terminal Block RS232 TB1 Terminal on Rear Board on Ethernet Card TX Pin 1 Installation 1 19 2007 Wiring the Foundation Fieldbus Interface Data Logging Option Card Procedure Options To connect the Foundation Fieldbus interface to the 8681 make the network connections at J8 pins 1 and 2 as shown in drawing Y of Figure 1 12 on page 1 25 As an option you can connect a shield to J8 pin 3 depending on the network wiring No connections are made to J9 under normal operation If you need to reset the network board to factory defaults 1 Connect jumper between J9 pin 2 and J9 pin 3 2 Power cycle i e turn off and on the 8681 3 Ten seconds after the power has been restored to the XMT868i remove the jumper to return the network board to normal operation The 8681 can be fitted with data logging option card which must be installed in Slot 2 The data logging option card increases the XMT868i s memory by up to 2 MB IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as descri
21. amp G Class Flameproof II 2 GD EEx 4 T5 T6 Optional Stainless steel Type 7 4X Explosion proof Class I Div 1 Groups amp D Class Groups F Class Flameproof II 2 GD EEx 4 T5 T6 Dimensions Standard housing 10 16 4 5 kg 8 2 x 6 6 in 208 x 168 mm Optional housing 30 16 13 6 kg 8 2 x 6 6 in 208 x 168 mm Operating Temperature 40 to 140 F 40 to 60 C Storage Temperature 67 to 167 F 55 to 75 C Accuracy specifications assume a fully developed flow profile and a straight run of 10 pipe diameters upstream and 5 pipe diameters downstream 0 5 of reading achievable with process calibration Typical Clamp On Flow Accuracy Velocity Pipe Diameter ID gt 6 in 150 mm 1 to 2 of reading Pipe Diameter ID 6 in 150 mm 2 to 596 of reading Typical Wetted Flow Accuracy Velocity 1 of reading Note Accuracy depends on pipe size installation and whether measurement is one path or two path Specifications 4 1 2007 Range Rangeability Overall Repeatability Energy of Reading Fluid Types Electrical Power Supply Operating Modes European Compliance Transit Time Mode 40 to 40 ft s 12 2 to 12 2 m s 400 1 0 1 to 0 3 of reading The accuracy of the energy measurement is a combination of the accuracy of the flow and temperature measurements Transit Time Mode
22. as valves flanges expansions and elbows avoiding swirl and avoiding cavitation Locate the transducers common axial plane along the pipe Locate the transducers on the side of the pipe rather than the top or bottom since the top of the pipe tends to accumulate gas and the bottom tends to accumulate sediment Either condition will cause increased attenuation of the ultrasonic signal There is no similar restriction with vertical pipes However vertical pipes should be avoided in order to insure a full pipe at the measurement point Locate the electronics enclosure as close as possible to the flowcell transducers preferably directly on the flowcell However GE Sensing can supply transducer cables up to 1 000 ft 300 m in length for remote location of the electronics enclosure If longer cables are required consult the factory for assistance When installing the transducer cables always observe established standard practices for the installation of electrical cables Do not route transducer cables alongside high amperage AC power lines or any other cables that could cause electrical interference Also protect the transducer cables and connections from the weather and corrosive atmospheres Note fyou are using your own cables 10 connect the transducers to the electronics console they must have electrical characteristics identical to the cables supplied by GE Sensing For transducer frequencies up 10 2 MHz the cables in
23. covers with their O ring seals are installed and the set screws tightened before applying power in a hazardous environment Caution The transducers must be properly wired before applying power to the meter Proceed to the next section to continue the initial wiring of the Model XMT868i flow transmitter 1 8 Installation 2007 Wiring Transducers Before wiring the 8681 transducers complete the following steps Disconnect the main power from the electronics enclosure Remove the rear cover and install all required cable clamps IWARNING 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 Note For transducer frequencies below 2 MHz the cable lengths must be within 4 in 10 cm of each other If the transducer frequency exceeds 2 MHz the cable lengths must be within 0 5 in 1 25 cm of each other 1 Locate the CH1 transducer cables and connect them to the two CH1 transducers in the flowcell Feed the free ends of the cables through the selected conduit hole in the electronics enclosure 2 If an optional lightning protector is being installed connect it between the meter and the transducers 3 Refer to the wiring diagram in Figure 1 10 on page 1 23 and connect the transducer cables to terminal block J3 Then secure the cable clamp Note The RED ca
24. each pair must be the same length within 4 in 10 cm For transducer frequencies above 2 MHz the cables in each pair must be the same length within 0 5 in 1 25 cm Installation 1 3 2007 Installing a Flowcell Installing Temperature Transmitters 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 This approach allows the transducers to be aligned and calibrated before inserting the spoolpiece into the pipeline Figure 1 1 on page 1 2 shows a typical Model 8681 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 Sensing Liquid Transducer Installation Guide 916 055 Optional temperature transmitters may be installed as part of the flowcell near the ultrasonic transducer ports Be sure to observe the siting requirements given earlier in this chapter These transmitters should send a 0 4 20 mA signal to the Model XMT868i In turn the XMT868i must be fitted with a suitable option card to process the signals and to provide the required 24 VDC power to the transmitters Any desired transmitters or sensors ma
25. et 3 3 The Optional PanaView Display 3 4 Taking Measuremients u e eurer ews 3 5 Procedure Options u seen 3 13 2007 Fr Introduction See Chapter 1 Installation and Chapter 2 Initial Setup to prepare the Model 8681 system for operation When the meter is ready to take measurements proceed with this chapter The following specific topics are discussed Powering Up Using the Display Taking Measurements Pausing Measurement Note All inputs and outputs of the Model XMT8686i are calibrated at the factory prior to shipment If it becomes necessary to recalibrate any of the inputs and or outputs see Chapter 1 Calibration of the Service Manual for instructions IWARNING To ensure the safe operation of the Model XMT868i it must be installed and operated as described in this manual In addition be sure to follow all applicable local safety codes and regulations for the installation of electrical equipment Operation 3 1 2007 Powering Up Because the Model XMT868i 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 Unions Low Voltage Directive 73 23 EEC this unit requires an external power disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible dire
26. greater pipe sizes 3 8 NPTM for 2 to 5 in sizes Interrogation Standard Conventional 45 tilted diameter one or more traversals Optional Mid radius chord multi chords including multiple paths Specifications 4 7 Appendix Mark Compliance Introduction an ae nen WIING PP reine 2007 Introduction For CE Mark compliance the Model XMT868i 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 8681 must be wired with the recommended cable and all connections must be properly shielded and grounded Refer to Table A 1 below for the specific requirements Table A 1 Wiring Requirements Ground Connection Cable Type Termination Transducer Armored RG62 a U Grounded using a cable gland Armored 22 AWG shielded Grounded using a e g Baystate 78 1197 cable gland with armored material added to outside of jacket Armored 14 AWG 3 Grounded using a conductor cable gland Note If the Model XMT8686i is wired as described in this appendix the unit will comply with the EMC Directive 89 336 EEC CE Mark Compliance A 1 Appendix Data Records Available Option Option Cards Installed Site Data 2007 Available
27. the measurement defaults to the nearest selectable item in the parameter list The previous two prompts repeat until all of the specified of LCD Parameters have been set up When all of the display parameters have been set up the meter returns to the Global window To leave the Keypad Program press the Escape key three times After leaving the Keypad Program the XMT868i will reset itself and will begin to display the parameters specified in this section If more than one parameter was set up each of the parameters will be displayed in sequence with a pause of several seconds between display changes Operation 3 7 2007 Using the LCD Display To use the programmed LCD display for obtaining flow rate data simply power on the 8681 as described earlier in this chapter Then read the flow rate directly from the display as shown in Figure 3 1 on page 3 3 Note See Chapter 2 Displaying Data in the Programming Manual to customize the contents of the LCD display 3 8 Operation 2007 PanaView Display Power up PanaView establish communications with the 8681 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 1 In PanaView pull down the Output menu
28. to the desired Channel option as listed in Table 2 1 below cont Table 3 1 Channel Options Channel 1 Channel 2 CHI CH2 CH1 CH2 CH1 CH2 2 9 For each channel select the desired Measurement Parameter as shown in Table 3 2 below Table 3 2 Output Measurement Options Option Bar Choice VEL Flow Velocity VOLUM Volumetric Flow TOTL Forward Totalized Volume Flow TOTL Reverse Totalized Volume Flow TIME Total Flow Measurement Time MDOT Mass Flow MASS Forward Totalized Mass Flow MASS Reverse Totalized Mass Flow POWER Energy Flow Power ENRG Forward Energy Flow ENRG Reverse Energy Flow SS up Signal strength for the upstream transducer SS do Signal strength for the downstream transducer Soundspeed Measured speed of sound in the fluid DAC up AGC DAC count for upstream gain setting DAC do AGC DAC count for downstream gain setting Tup Upstream ultrasonic signal transit time Tdown Downstream ultrasonic signal transit time DELTA Transit time difference between upstream and downstream signals REYN Current velocity reynolds number K RE factor based on the Reynolds number PEAK Percentage of peak set to 50 by default 3 6 Operation 2007 Table 3 2 Output Measurement Options cont Option Bar Choice Theta 3 isthe angle between the ultrasonic beam and the normal to the pipe wa
29. 2WT cos MA 2 CL FD P Dimension For example given the following inside diameter ID 48 wall thickness WT 3 8 installed coupling length CL 2 0 atransducer face depth FD 1 75 mounting angle MA 45 The P dimension would be 48 2 3 8 0 7071 2 2 0 1 75 69 4 C 2 Measuring P and L Dimensions 2007 Index A E ACTIV Submenu 2 9 Electrical Connectors 1 6 Alarms Option Card Electronics Console Connecting 1 13 Description 1 2 Fail Safe Operation 1 14 Mounting dot ded wets 1 5 Analog Inputs Option Card Energy Option Enabling 2 10 Connecting nes ds 1 15 Energy Option Programming 2 8 2 13 Pin Assignments 115 Enter Key 2 2 Ra ng ea 1 15 Escape 2 2 Analog Outputs Ethernet Wiring the 1 19 Units Options 3 6 Analog Outputs Slot 0 Connecting 1 10 Analog Outputs Option Card Flowcell Connecting 1 17 1 20 Installing D 1 4 Arrow Keys 2 2 Fluid Type EET LLL 2 17 Axial Length 216 Fluid Type Selecting VR EIU E a Foundation Fieldbus Terminal Block Connectors 1 25 Fre
30. 868i chassis is required to prevent the possibility of electric shock See Figure 1 9 on page 1 22 to locate the chassis grounding screw IMPORTANT Since the IREX keys do not work properly in direct sunlight be sure to position the XMT868i with an optional sunshield or out of direct sunlight Installation 1 5 2007 Making Electrical Connections This section contains instructions for making all the necessary electrical connections to the Model 8681 flow transmitter Refer to Figure 1 10 on page 1 23 for a complete wiring diagram Except for the power connector all electrical connectors are stored on their terminal blocks during shipment and may be removed from the enclosure for more convenient wiring Simply feed the cables through the conduit holes on the side of the enclosure attach the wires to the appropriate connectors and plug the connectors back into their terminal blocks IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix A CE Mark Compliance Refer to Figure 1 3 on page 1 7 and prepare the Model 8681 for wiring by completing the following steps IWARNING Always disconnect the line power from the Model XMT868i before removing either the front cover or the rear cover This is especially important in a hazardous environment 1 Disconnect any previously wired power line from the unit 2 Loosen the set screw on the rear cover
31. A Continuous Unmonitored Operation e EN61010 1 1993 A2 1995 Overvoltage Category Il Pollution Degree 2 EN 60529 1991 A1 2000 IP66 gem den Europ ischen Richtlinien Niederspannungsrichtlinie 73 23 EG und EMV Richtlinie Nr 89 336 EG und ATEX Richtlinie Nr 94 9 EG Die oben aufgef hrten Ger te und zugeh rige mitgelieferte Schallwandler Messrohre werden in einer separaten Konformit tserkl rung behandelt tragen keine CE Kennzeichnung gem der Druckger te Richtlinie da sie in bereinstimmung mit Artikel 3 Absatz 3 gute Ingenieurpraxis der Druckger te Richtlinie 97 23 EG f r DN 25 geliefert werden Shannon December 7 2004 D um Mr James Gibson GENERALDIREKTOR LS 180 9002 ESSEN Shannon ISO 9001 0 5 CERT DOC H4 August 2004 ATEX COMPLIANCE Sensing We GE Sensing Inc 1100 Technology Park Drive Billerica MA 01821 4111 U S A as the manufacturer declare under our sole responsibility that the product XMT868 Liquid Ultrasonic Flow Transmitter to which this document relates in accordance with the provisions of ATEX Directive 94 9 EC Annex meets the following specifications C ex Il 2 GD EEx IIC T5 20 C to 65 C 1180 ISSePO2ATEX008 T95 C IP66 Furthermore the following additional requirements and specifications apply to the product Having been designed in accordance with EN 50014 EN 50018 and EN 50281 the product meets the
32. BTU Millions of BTUs MCAL Megacalories kWHr Kilowatt hour kWHr Kilowatt hour TONS Tons lof refrigerant Megawatt hour 4 Scroll to the desired number of Energy Decimal Digits and press Enter You have completed entering selections in this option The program returns to the Global PROGRAM menu Scroll to CH1 or CH2 and press Enter to program the Channel menu on the next page 2 8 Initial Setup 2007 Entering Data in the Channel Menu Selecting the Channel Measurement Method The Channel menu is used to enter data specific to each channel Refer to Figure 2 2 on page 2 20 and remember to record all programming data in Appendix B Data Records Note In this manual only the programming of Channel I will be described To program Channel 2 of a 2 Channel meter simply repeat the same procedures presented for Channel 1 The ACTIV submenu permits selection of the desired measurement method 1 Inthe Keypad Program scroll to PROG and press Enter 2 Inthe PROG menu scroll to the desired channel CH1 or CH2 and press Enter Note Jn the I Channel XMT868i CH2 does not appear 3 In the Channel PROGRAM menu scroll to ACTIV and press Enter 4 The option offers two choices OFF and TRANS Transit Time Scroll to the desired option for this channel and press Enter Note In the 1 Channel XMT868i OFF does not appear The 8681 returns to the Channel PROGRAM menu Scro
33. Data in the Channel System 2 10 Entering Pipe POFOITISEGES oorr t 2 14 Chapter 3 Operation 0100 Tee 3 1 3 2 DE ee Re SS 3 3 Th amp Opti nal EN Display a ee ee 3 4 Taking MES TENTE ae a Dre Dee Dis oe d eu x ope ien 3 5 E EM a ee 3 5 Using ses ish 3 8 6 ven a eor Ces baa 3 9 Displaying Multiple Text Windows 3 12 Pasing ices Be area e ER 3 12 2007 Table of Contents cont Chapter 4 Specifications up NEM EI NL sten EAS 4 1 ERO HORDE TR 4 2 Additional rated iconos tuor icto oid ben best ten A t Qu E ET ident 4 3 222222222 2 2 2222 2 222 2 2 4 24 24 4 2 4 4 4 Pip Sizea d soot mex us top ted o yn eR etie retiro aM ER RM AE 4 6 Wetted e eee 4 6 81855 atmen 4 6 Ae Ma 4 7 Appendix CE Mark Compliance Introduction mr Se het A 1 WIRING Senn TA
34. ITORING DEVICE DEVICE Conventional Fail Safe triggered triggered or power failure Figure 1 4 Conventional and Fail Safe Operation Installation 2007 Wiring a 0 4 20 mA Analog Inputs Option Card This option card includes two or four isolated 0 4 20 mA analog inputs designated and D each of which includes 24 VDC power supply for loop powered transmitters Either input may be used to process the temperature signal while the other input is used to process the pressure signal Note 70 enter programming data during operation of the meter it will be necessary to know which input is assigned to which process parameter This information should be entered in Appendix B Data Records The analog inputs which have an impedance of 118 ohms should be connected with standard twisted pair wiring Power to the transmitters may be supplied either by the integral 24 VDC power supply on the analog input option card or by an external power supply Figure 1 5 below shows typical wiring diagrams with and without an external power supply for one of the analog inputs With External Power Supply 24 VDC POWER SUPPLY Analog Input Transmitter Analog Input Transmitter Sensor With Internal Power Supply Figure 1 5 Analog Input Wiring Diagram Installation 1 15 2007 m Wiring a 0 4 20 mA Wire the analog inputs as shown on the label in the r
35. J45 e SHIELD OPTIONAL FACTORY QO FIELDBUS NET e FIELDBUS NET 5 b c ETHERNET FOUNDATION FIELDBUS MODBUS TCP Terminal Block Connector Terminal Block Connector Terminal Block Connector Figure 1 12 Ethernet Foundation Fieldbus and MODBUS TCP Terminal Block Connections Installation 1 25 Chapter 2 Initial Setup Introduction sans ea 2 1 XMT868i Enclosure Infrared Keypad 2 2 Entering Data in the Global Menu 2 4 Entering Data in the Channel 2 9 2007 Introduction This chapter provides instructions for programming the minimum amount of data required to place the Model 8681 flowmeter into operation Before the Model XMT868i can begin taking measurements and displaying valid data the current system and pipe parameters must be entered In addition a 2 Channel meter requires that each channel be activated prior to use Additional programming options provide access to the more advanced features of the Model XMT8681 but this information is not required to begin taking measurements Note See the Programming Manual for information on those User Program features not covered in this chapter You can program the 8681 via either the infrared keypad on the lower part of the glass enclosure or PanaView a PC based non resident software prog
36. N Engin ENERGY OPTION OFF T ENERGY TOTAL Engin 1 mer 1 je ENERGY DECIMAL DIGITS ACTIV SYSTM and GLOBL SYSTM Menu 5 o Figure 2 2 Initial Setup 2 20 2007 Ese Ese for 2 Channel meter only Ses Figure 22 cse wnoons 56 FLUID Waren WATER TEMPERATURE men FLUID SOUNDSPEED Percentage of Water orien FLUID SOUNDSPEED FLUID TYPE Percentage of Water REYNOLDS CORRECTION KV INPUT SELECTION MINIMUM SOUNDSPEED MAXIMUM SOUNDSPEED See Figure 22 Wetted Type PIPE TRANSDUCER NUMBER sm SPEC SPECIAL TRANSDUCER Clamp on Type WETTD WEDGE TYPE Gr FREQUENCY RAYLISHEAR PIPE MATERIAL WEDGE ANGLE WEDGE SOUNDSPEED Gree mon GAS am Gase Piste OTHER PIPE SOUNDSPEED fu NT rom Amon
37. N61010 1 1993 A2 1995 Overvoltage Category Il Pollution Degree 2 EN 60529 1991 A1 2000 IP66 suivant les r gles de la Directive de Compatibilit Electromagn tique 89 336 EEC d ATEX 94 9 EC et de la Directive Basse Tension 73 23 Les mat riels list s ci dessus ainsi que les transducteurs pouvant tre livr s avec les manchettes faisant l objet d une d claration de conformit s par e ne portent pas le marquage CE de la directive des quipements sous pression car ils sont fournis en accord avec la directive 97 23 EC des quipements sous pression pour les DN lt 25 Article 3 section 3 qui concerne les pratiques et les codes de bonne fabrication pour l ing nierie du son Shannon December 7 2004 D um James Gibson DIRECTEUR G N RAL LS ENISO9002 TUV ESSEN Shannon ISO 9001 U S CERT DOC H4 August 2004 Sensing KONFORMIT TS ERKL RUNG Wir Panametrics Limited Shannon Industrial Estate Shannon County Clare Ireland erkl ren in alleiniger Verantwortung da die Produkte DigitalFlow XGM868i Ultrasonic Gas Flow Transmitter DigitalFlow XGS868i Ultrasonic Steam Flow Transmitter DigitalFlow XMT868i Ultrasonic Liquid Flow Transmitter folgende Normen erfullen EN 50014 1997 A1 A2 1999 EN 50018 2000 EN50281 1 1 1998 as specified 155 02 008 Il 2 GD EEx d IIC T5 ISSeP B7340 Colfontaine Belgium EN 61326 1998 Class A Annex
38. TUAL ANGLE DETAILA 5 2 NOTES 1 ALL DIMENSIONS ARE REFERENCE 2 WEIGHT 10 LB 4 5 KG 4 HOLES DETAIL 3 DIMENSIONS ARE IN INCHES MILLIMETERS Installation 1 22 2007 J2 INPUT OUTPUT CONN Pin No Description 11 01 21 02 3 1 03 41 04 51 05 61 06 7107 8 1 08 9 1 09 10 1 01 111 01 12 1 01 NOTE See wiring label inside rear cover and Figure 1 12 on page 1 29 0 1 2 Conduit Hole 1 of 7 Protective Conductor Terminal Grounding Jumper Enclosure is shown from the rear with the rear cover removed J4 CH2 TRANSDUCER Pin 1 2 3 4 Desig Description CH2UP Upstream SIG CH2RTN Upstream RTN CH2RTN Downstream RTN CH2DN Downstream SIG NOTE For compliance with the European Union s Low Voltage Directive 73 23 EEC this unit requires an external power disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible directly accessible and located within 1 8 m 6 ft of the Model XGS868i Nameplate J3 1 TRANSDUCER Desig CH1UP CH1RTN CH1RTN CH1DN Description Upstream SIG Upstream RTN Downstream RTN Downstream SIG Mounting Boss Power Cable Inlet Pin RS232 RS485 SERIAL PORT Desig DTR CTS COM SHLD RX RS485 TX RS485 Description Data Terminal Ready Clear To Send Ground Receive Transmit J1 0 4 20 ANALOG OUTPUTS Pin
39. a list of options parameters letters and numbers 0 9 as well as the negative sign and decimal point in a menu e lt and gt enable users to scroll to a specific option among choices in an option or to a character in a text entry When you power up the 8681 the display first shows the model and software version GE XMT868i X3A STD 2 2 Initial Setup 2007 XMT868i Enclosure Infrared Keypad cont The meter then starts to display measured parameters CH1 VEL E1 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 As a guide in following the programming instructions in this chapter the relevant portions of the Model XMT868i menu map have been reproduced in Figures 2 2 and 2 3 on pages 2 20 and 2 21 Proceed to the following sections to enter data in the Channel or GLOBL menus IMPORTANT Ifthe keypad has not been pressed for 10 minutes the XMT868i exits the Keypad Program and returns to displaying measurements The meter retains any configuration changes that were confirmed with the Enter key and restarts as if the operator had completed the programming cycle Initial Setup 2 3 2007 Entering Data in the Global Menu Entering Global System Data To begin programming your meter you must selec
40. al Block Connector 1 18 Installation 2007 Wiring the MODBUS TCP Interface Wiring the Ethernet Interface Customers can also use a modified 8681 that provides MODBUS TCP interface to communicate to an internal network optional MODBUS TCP card with a unique MAC IP address installed only in slot 2 includes an RJ45 connector To connect the MODBUS TCP enabled 8681 to the network insert the jack of an RJ45 cable into the RJ45 connector route the cable through one of the conduit holes using an appropriate cable clamp and wire the other end of the cable to the Ethernet network according to the manufacturer s instructions See Figure 1 12 on page 1 25 Note The MAC address for a specific XMT868i is included with customer documentation For more information on setting up the MAC address refer to Chapter 6 of the Programming Manual A modified XMT868i can use the Ethernet interface to communicate to a local area network An optional Ethernet card with a unique MAC IP address installed only in slot 2 includes an RJ45 connector To connect the Ethernet enabled XMT868i to the network insert the jack of an RJ45 cable into the RJ45 connector route the cable through one of the conduit holes using an appropriate cable clamp and wire the other end of the cable to the Ethernet network according to the manufacturer s instructions An external connection is required between the Ethernet option card and the
41. am first asks for the Wedge Type Press the appropriate transducer type Rayleigh clamp on shear clamp On or wetted Note GE Sensing will supply the information required for steps b through f with the transducers b Press the appropriate Frequency from 500 kHz to 5 MHz c Enter the Time Delay Tw value supplied by GE Sensing and press Enter 2 14 Initial Setup 2007 Special Transducers cont If you have selected a special wetted transducer the program now goes to step 5 But if you have selected a clamp on transducer three more prompts appear d Enter the Wedge Angle of the transducer the angle of the ultrasonic transmission in degrees and press Enter e Enter the Wedge Temperature and press Enter f Enter the Wedge Soundspeed and press Enter Pipe Material 4 Scroll to the appropriate Pipe Material from the supplied list For some materials shown in Table 2 11 below the program displays additional selections At the desired choice press Enter Table 2 11 Pipe Material Choices Carbon Steel Stainless Steel Ductile Iron Cast Iron Aluminum no additional selection required no additional selection required Brass no additional selection required Copper Nickel 70 Cu 30 Ni 70 30 Copper Nickel 9096Cu 1096Ni 90 10 Copper Nickel Glass Pyrex Heavy Silicate Flint Light Borate Crown Plastic Nylon Polyethylene Polypropylene
42. as shown in Figure 3 3 below and click on the Text Display option File Edit View Output Window Graphing gt Text Display Logging Figure 3 3 The Output Menu Note The Text Display window that appears after Step 1 is actually stacked on top of any previously opened windows such as the Meter Browser window 2 Using the Window menu as described on page 5 19 of the PanaView User s Manual arrange the open windows in the desired format For this discussion Figure 3 4 below shows the Text Display window in its maximized full screen size 2 ps My Computer MELANCEL Ei Untitled IDM Com 1 XGM858i YAAM STD Interval 5 Sec Continuous Get Once Network My Computer MELANCEL Untitled Com 1 This is anXMT Channel 1 Thursday June 24 2004 10 56 37 0 PC Logs Running amp Ens 0 Figure 3 4 The Text Display Window 3 The left pane of the Text Display window contains the standard PanaView network tree Expand the XMT branch and double click on the desired channel On 2 channel units you can also display the SUM DIFF or AVG parameters Operation 3 9 2007 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 ofthe following data collection modes see Figure 3 4 on
43. ata will be applied when the unit is next powered on Proceed to Chapter 3 Operation for instructions on taking measurements Or refer to the Programming Manual for instructions on programming the Model XMTS868i s advanced features Initial Setup 2 19 2007 Esc Emer Esc Keypad Program 2 Channel meter only SYSTM ENERGY OPTION ore LU SITEICHANNEL LABEL SITEICHANNEL MESSAGE VOLUMETRIC UNITS PIPE See Figure 23 ee cu MGD nam UR Lies ees nero ram pe Ur se vs xm 5805 T man mas pe wp ES AED Xt eur T VOL DECIMAL DIGITS TOTALIZER UNITS Teng sn CD 1 Miter 1 E ult I I MASS FLOW Engish Metric LET MASS FLOW ON ENERGY OPTION ON English ENERGY OPTION OFF 1 CHANNEL UNITS METER MESSAGE SYSTEM UNITS fem VOLUMETRIC UNITS 2 CHANNEL UNITS
44. ating PanAdapta Plugs Hastelloy Monel Titanium Duplex CPVC PVDF and others Process Connection Standard 1 NPIM 3 8 in NPTM Optional RF flange socket weld fuse bond and others Maximum Pressure Standard 0 to 3 000 psig 0 1013 to 20 MPa Optional Higher pressures on request Temperature Range Standard 40 to 212 F 40 to 100 C Optional overall range 310 to 932 F 190 to 500 C Mounting Spoolpiece hot tap or cold tap Area Classifications Standard General purpose Optional Explosion proof Class I Div 1 Groups amp D Class II Groups E F and G Class III Flameproof 2 G EEx d T6 Weatherproof Type 4 IP65 Submersible Note Wetted transducers for special applications and flowcells are also available Consult the factory for details 4 4 Specifications May 2007 OO Clamp On Transducers Temperature Range Standard 40 to 300 F 40 to 150 C Optional overall range 310 to 572 F 190 to 300 C Mounting SS chain or strap welded or magnetic clamping fixtures Area Classifications Standard General purpose Optional Explosion proof Class I Div 1 Groups B amp D Class II Groups E F and G Class III Flameproof amp 12 G EEx md T6 T3 Weatherproof Type 4 IP65 Submersible Note Clamp on transducers for special applications and flowcells are also available Consult the factory for deta
45. ave activated Mass Flow see the Programming Manual for details or the Energy Option f you have activated Mass Flow continue to step 1 on the next page f you have activated the Energy Option but not Mass Flow skip to step 1 on page 2 13 f you have activated neither option the 8681 returns to the Channel PROGRAM window Proceed to the PIPE option Initial Setup 2 11 2007 Programming the Mass 1 Scroll to the desired Mass Flow Units for flow rate display listed Flow Option in Table 2 8 below and press Enter Table 2 8 Available Mass Flow Units LB Pounds Kilograms KLB KiloPounds Tonnes Metric Tons 1000 Thousands of Pounds MMLB MegaPounds TONS 2000 LB 2 Scroll to the desired Mass Flow Time Units from seconds to days and press Enter 3 Scroll to the desired number of Decimal Digits digits to the right of the decimal point in the mass flow rate display and press Enter 4 Scroll to the desired Mass Totals units for the totalized mass flow rate display listed in Table 2 8 above and press Enter 5 Scroll to the desired number of Mass Decimal Digits digits to the right of the decimal point in the totalized mass flow rate display and press Enter The program varies depending on whether or not you have enabled the Energy Option Ifyou have not enabled the option the XMT868i returns to the Channel PROGRAM window Proceed
46. bed in Appendix A CE Mark Compliance After the 8681 has been completely installed and wired proceed to Chapter 2 Initial Setup to program the meter for taking flow rate measurements IWARNING Make sure both covers with their o ring seals are installed and the set screws tightened before applying power in a hazardous environment 1 20 Installation 2007 DETAIL NOTES 1 ALL DIMENSIONS ARE REFERENCE 2 WEIGHT 10 LB 4 5 KG AL 25 LB 11 5 KG SS 3 DIMENSIONS ARE IN INCHES MILLIMETERS 3 4 NPTF 7PLCS 3 4 NPTF 7 PLCS 06 10 155 VIEW A A 0 28 7 _ 0 25 6 1 4 20 UNC 2B 4PLCS 3 4 NPT 7 10 32 EXTERNAL GROUND SCREW DETAIL A Figure 1 8 Model XMT868i Outline and Installation ref dwg 712 1318 Installation 1 21 2007 DETAIL 8 PLACES SEE DETAIL 6 10 155 3 4 NPTF 7 PLCS SEE DETAIL 4 14 20 3 4 BOLT LOCK WASHER APLACES VIEW A A 1 00 25 0 28 7 025 6 2 375 PIPE REF ONLY 5 16 18 NUT 2 LOCK WASHER WASHER ye BRACKET SEE DETAIL Bracket ref dwg 712 1317 ing Right Angle Mounti lon Model XMT868i Outline and Installati 14 20 UNC 28 34 NPT 4PLOS 2 PIPE U BOLT 2PLACES 10 32 EXTERNAL GROUND SCREW 5 a o MATERIAL AL 6x6 x 375 THK REF g STRUC
47. ble B 3 Site Data cont CHx SETUP ADVANCED FEATURES MULTIK cont K Factor Vel Reyn K Factor K Factor Vel Reyn K Factor 14 14 15 15 16 16 17 17 18 18 19 19 20 20 B 6 Data Records Appendix Measuring and L Dimensions Measuring P 2007 Measuring P and L If you are using wetted transducers the 8681 requires you to enter the path length P and the axial dimension L P is the transducer face to face distance and L is the axial projection of P in the flow stream To determine L physically measure the distance between the center of the transducer ports at the inside wall as shown in Figure 2 1 below if possible If not consult the factory Pipe Thickness Figure 2 1 180 Transducer Installations Top View To determine P you need the following the pipe inside diameter ID the wall thickness WT the installed pipe coupling length CL the transducers face depth FD the mounting angle MA Measuring P and L Dimensions C 1 2007 Measuring L cont Use Figure C 2 below to properly measure the coupling length Typically the transducer face is positioned just outside the inside diameter ID of the pipe or slightly retracted inside the coupling Figure C 2 Determining the Pipe Coupling Length Use the following formula to determine P dimension ID
48. ble leads are the SIG leads and the BLACK cable leads are the RTN leads IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix A CE Mark Compliance 4 For a 2 Channel 8681 repeat steps 1 2 to connect the CH2 transducers to terminal block J4 It is not required that both channels of a 2 Channel unit be connected 5 If wiring of the unit has been completed reinstall the rear cover on the enclosure and tighten the set screw Note A channel must be activated before it can begin taking measurements See Chapter 2 Initial Setup for instructions Installation 1 9 2007 Wiring Standard 0 4 20 mA Analog Outputs The standard configuration of the Model XMT8681 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 To wire the analog outputs complete the following steps 1 Disconnect the main power to the unit and remove the rear cover 2 Install the required cable clamp in the chosen conduit hole on the side of the electronics enclosure 3 Refer to Figure 1 10 on page 1 23 for the location of terminal block J1 and wire the analog outputs as shown Secure the cable clamp Note Analog outputs 1 and 2 in the wiring diagram correspond to analog output
49. channel of a 2 channel meter must be entered before the Model XMT868i can display valid data Refer to Chapter 2 Initial Setup for specific instructions 3 2 2007 m m mmmeaE WRW e ea G G ee The LCD Display The components of the LCD display are shown in Figure 3 1 below along with a typical mass flow rate readout Channel Parameter 4 CH1 VOL 4500 GAL H XMT868i Flow Rate Figure 3 1 A Typical LCD Flow Rate Display As shown in Figure 3 1 above the display screen includes the following information Channel Number Flow Parameter Units of Measure Flow Rate Value The example in Figure 3 1 above uses the default display settings However the first three items in the list above may be reprogrammed to display a variety of alternative choices See the Programming Manual for detailed instructions on programming these parameters Note The LCD backlight flashes to signal errors If the backlight is off when an error is detected the display is illuminated briefly if the backlight is already on the light is interrupted briefly Error code messages may appear in the upper right corner of the LCD display For information about these error codes and how to respond to them refer to Chapter 2 Error Codes in the Service Manual Proceed to the Taking Measurements section to use the 8681 Operation 3 3 2007 The Optional PanaView The compone
50. closure and an optional stainless steel enclosure is available Typically the enclosure is mounted as close as possible to the transducers When choosing a site make sure the location permits easy access to the electronics enclosure for programming maintenance and service Note For compliance with the European Union s Low Voltage Directive 73 23 EEC this unit requires an external power disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible directly accessible and located within 1 8 m 6 ft of the Model XMT868i 1 2 Installation 2007 Flowcell Location Transducer Location Cable Lengths Transducer Cables Ideally choose a section of pipe with unlimited access for example a long stretch of pipe that is above ground However if the flowcell is to be mounted on an underground pipe dig pit around the pipe to facilitate installation of the transducers For a given fluid and pipe the Model XMT868i s accuracy depends primarily on the location and alignment of the transducers In addition to accessibility when planning for transducer location adhere to the following guidelines Locate the transducers so that there are at least 10 pipe diameters of straight undisturbed flow upstream and 5 pipe diameters of straight undisturbed flow downstream from the measurement point Undisturbed flow means avoiding sources of turbulence in the fluid such
51. ctly accessible and located within 1 8 m 6 ft ofthe Model XMT868i There are three methods for obtaining readings from the 8681 Built in LCD display PanaView software on a computer Device to read the XMT868i s analog output At least one of the above display options must be installed in order to obtain flow rate readings from the meter Immediately upon power up the software version display appears Then the meter performs a series of internal checks which take about 45 seconds prior to displaying the flow rate data Caution The XMT868i conducts the FRAM non volatile RAM test only on the first powering up If the screen displays the message Program Memory Fault Detected consult the factory immediately Otherwise the XMT868i will not repeat the test and may not properly save programmed values Note Ifthe Model XMT868i fails any of the internal checks see Chapter 2 Error Codes in the Service Manual try disconnecting the power and then repowering the unit If the meter continues to fail any of the internal checks contact the factory for assistance After successfully performing the internal checks the Model XMT868i begins taking measurements and the software version display is replaced by a measurement mode display Proceed to the appropriate section for instructions on using the LCD display and the PanaView display option Note As a minimum the system and pipe parameters for each installed
52. e WARNING The Model XMT868i flow transmitter can measure the flow rate of many fluids some potentially hazardous The importance of proper safety practices cannot be overemphasized Be sure to follow all applicable local safety codes and regulations for installing electrical equipment and working with hazardous fluids or flow conditions Consult company safety personnel or local safety authorities to verify the safety of any procedure or practice IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix A CE Mark Compliance Installation 1 1 2007 Unpacking Carefully remove the electronics enclosure the transducers and the cables from the shipping containers Before discarding any of the packing materials account for all components and documentation listed on the packing slip The discarding of an important item along with the packing materials 1 all too common If anything is missing or damaged contact the factory immediately for assistance Site Considerations Because the relative location of the flowcell and the electronics enclosure is important use the guidelines in this section to plan the XMT868i installation Figure 1 1 below shows a typical installation Figure 1 1 A Typical Model XMT868i System Electronics Enclosure The standard Model 8681 electronics enclosure is a powder Location coated cast aluminum Type 7 4X explosion proof en
53. e lt arrow key to return to the numeric entry on the left and enter the path length of the ultrasonic signal Press Enter Note spoolpiece was ordered with the meter the transducer signal path length P and the transducer signal axial length L are engraved on the flowcell and or are included in the documentation supplied with the meter For on site transducer installations refer to Appendix C Measuring P and L Dimensions for instructions 8 In the same manner enter the appropriate Axial Length L unit type and axial length of the ultrasonic signal and press Enter Skip to step 10 on the next page 2 16 Initial Setup 2007 m Pipe Lining 9 Scroll to the appropriate choice to indicate whether you have a Pipe Lining a If you have selected Yes then select the Lining Material from the supplied list If OTHER is selected enter the lining sound speed and press Enter b Then enter the lining thickness and press Enter Tracking Windows 10 Press the appropriate choice to indicate whether you want Tracking Windows These windows are used to detect the receive signal when you are unsure of the fluid sound speed Fluid Type 11 Press the appropriate Fluid Type The selections for fluid type vary depending on whether the Energy Option is ON or OFF and the Tracking Window is enabled or disabled Refer to Table 2 13 on the next page if Energy Opt
54. e 1 23 to locate terminal block TB5 and connect the line power as follows IWARNING Improper connection of the line power leads or connecting the meter to the incorrect line voltage may damage the unit It may also result in hazardous voltages at the flowcell and associated piping as well as within the electronics enclosure Installation 1 7 2007 m s zz _ 5 zo Wiring the Line Power 1 Prepare the line power leads by trimming the line and neutral AC cont power leads or the positive and negative DC power leads to a length 0 5 in 1 cm shorter than the ground lead This ensures that the ground lead is the last to detach if the power cable is forcibly disconnected from the meter 2 Install a suitable cable clamp in the conduit hole indicated in Figure 1 10 on page 1 23 If possible avoid using the other conduit holes for this purpose to minimize any interference in the circuitry from the AC power line IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix A CE Mark Compliance 3 Strip 1 4 in of insulation from the end of each of the three line power leads 4 Route the cable through the conduit hole and connect the line power leads to terminal block TB5 using the pin number assignments shown in Figure 1 10 on page 1 23 5 Leaving a bit of slack secure the power line with the cable clamp IWARNING Make sure both
55. ear cover see Analog Inputs Option Figure 1 3 on page 1 7 and Figure 1 11 on page 1 24 Note The analog inputs option card can be calibrated with the Model 8661 built in analog outputs However be certain that the analog outputs have been calibrated first See Chapter 1 Calibration in the Service Manual for the appropriate procedures Wiring a Totalizer and Each totalizer and frequency output option card provides two or four Frequency Output Option outputs designated as A B C and D Card Wire this option card in accordance with the connections shown on the label in the rear cover see Figure 1 3 on page 1 7 and Figure 1 11 on page 1 24 Figure 1 6 below shows sample wiring diagrams of a totalizer output circuit and a frequency output circuit Refer to Electrical Specifications on page 4 2 for the load and voltage requirements Totalizer Output Model XMT868 Pulse Counter Volts Int Pwr Sup Model XMT868 Frequency Counter IN Common Frequency Output Figure 1 6 Totalizer and Frequency Output Wiring 1 16 Installation 2007 Wiring RTD Inputs Option Card Wiring a 0 4 20 mA Analog Outputs Option Card A Specific Example The Model XMT868i RTD Resistance Temperature Device inputs option card provides two direct RTD inputs designated as A and B Each RTD input requires three wires and should be connected as shown on the label in the rear cover see Fi
56. ess Enter OTHER Enter Minimum Soundspeed and press Enter Then enter Maximum Soundspeed and press Enter Initial Setup 2007 Reynolds Correction Number of Traverses Procedure Options 12 Scroll to the appropriate choice to indicate whether you want Reynolds Correction If Offis selected enter the Calibration Factor and press Enter If Activ is selected the program asks for KV Input Selection Scroll to SIGS Signals SOUND Soundspeed or STATC If SIGS or SOUND is selected enter the Calibration Factor and press Enter 9 If STATC is selected enter the Kinematic Viscosity and press Enter Then enter the Calibration Factor and press Enter For wetted transducers the program returns to the Channel PROGRAM menu You have completed entering PIPE parameters For clamp on transducers proceed to step 13 below 13 Scroll to the appropriate Number of Traverses from 1 to 5 and press Enter 14 Accept the value for the Transducer Spacing by pressing Enter Note The XMT868i automatically calculates the transducer spacing You should not enter a different value unless specifically instructed by the factory PanaView returns to the Channel PROGRAM menu You have completed entering PIPE parameters Note The site data programmed in this chapter is automatically stored in the meter s non volatile RAM NVR If the power to the meter is disconnected the same site d
57. et CE Mark requirements all cables must be installed as described in Appendix A CE Mark Compliance After the wiring has been completed consult the User s Manual for the external device to configure it for use with the XMT868i Use the optional RS485 serial port to network multiple XMT868i flow transmitters to a single computer terminal As an option the standard RS232 port on the 8681 may be configured as a two wire half duplex RS485 interface IMPORTANT The XMT868i must be configured at the factory for RS485 operation The maximum cable length for RS485 is 4000 ft 1200 m To wire the RS485 serial port refer to Figure 1 10 on page 1 23 and complete the following steps 1 Disconnect the main power to the unit and remove the rear cover 2 Install the required cable clamp in the chosen conduit hole on the side of the electronics enclosure 3 Feed one end of the cable through the conduit hole wire it to terminal block J1 and secure the cable clamp Use the information in Table 1 2 below to wire a suitable cable for connecting the 8681 to the external device Table 1 2 RS485 Connections J1Pin Signal Description Data Data Shield Not Used Not Used Not Used IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix A CE Mark Compliance 4 If wiring of the unit has been completed reinstall the rear cover on the enclosu
58. fault tolerance requirements of electrical apparatus for category d The product is an electrical apparatus and must be installed in the hazardous area in accordance with the requirements of the EC Type Examination Certificate The installation must be carried out in accordance with all appropriate international national and local standard codes and practices and site regulations for flameproof apparatus and in accordance with the instructions contained in the manual Access to the circuitry must not be made during operation Only trained competent personnel may install operate and maintain the equipment The product has been designed so that the protection afforded will not be reduced due to the effects of corrosion of materials electrical conductivity impact strength aging resistance or the effects of temperature variations The product cannot be repaired by the user it must be replaced by an equivalent certified product Repairs should only be carried out by the manufacturer or by an approved repairer The product must not be subjected to mechanical or thermal stresses in excess of those permitted in the certification documentation and the instruction manual The product contains no exposed parts which produce surface temperature infrared electromagnetic ionizing or non electrical dangers CE 5 CERT ATEX D Rev August 2004 USA 1100 Technology Park Drive Billerica MA 01821 4111 Web www gesensing com
59. gure 1 3 on page 1 7 and Figure 1 11 on page 1 24 The analog outputs option card includes two isolated 0 4 20 mA outputs designated as A and B Connections to these outputs may be made with standard twisted pair wiring but the total current loop impedance for these circuits must not exceed 1 000 ohms Wire this option card with the connections shown on the label in the rear cover see Figure 1 3 on page 1 7 and Figure 1 11 on page 1 24 To illustrate the procedures described in the previous sections for wiring the option cards a specific example may prove helpful Assume that an 8681 is equipped with an option card numbered 703 1223 08 Table 1 on page B 1 in Appendix Data Records indicates that this option card includes two analog current inputs and two standard alarm relays By referring to Figure 1 11 on page 1 24 you can see that the appropriate connection diagram for this option card is the first one from the left in the middle row This label should also be found inside the rear cover of the XMT868i Based on this information wiring of the Input Output connections to terminal block J2 should be completed as shown in Table 1 3 below Table 1 3 Wiring a 703 1223 08 Option Card 42 Description Connection Alarm Normally Open Alarm Common Alarm Normally Closed Alarm B Normally Open Alarm B Common Alarm B Normally Closed Out C 24 V to Input C Input C Signal Input C Return O
60. hat pops up in the context menu Note After resizing or removing any ofthe multiple text screens the default tiled layout may be restored by opening the Window menu see the PanaView User s Manual and clicking on the Tile Output Displays option Operation 3 11 2007 Displaying Multiple Text Windows Pausing Measurement 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 2 Arrange the multiple Text Display windows as desired via the Window menu see the PanaView User s Manual On occasion it might become necessary for the XMT868i to stop taking measurements Through PanaView you can direct the XMT868i to pause measurements without cutting off power from the meter 1 From the meter tree in the New Meter Browser click on the XMT entry 2 Expand the Edit Functions option and double click on the Pause Measurement entry A window opens similar to Figure 3 6 below Previous Item Stop measurement Next Item Figure 3 6 The Pause Measurement Window 3 To pause current measurements double click on the Stop measurement option The window closes and the 8681 stops taking measurements 4 To restart measurement double click on
61. he flow rate display and press Enter Table 2 1 below lists the available volumetric units Table 2 1 Available Volumetric Units GAL S gallons second L S Liter sec GAL M gallons minute GAL H gallons hour L H Liter hr MGD mega gallons day ML D mega liters day ft3 s Cubic ft sec m 3 s Cubic m sec ft3 m Cubic ft min m 3 m Cubic m min ft3 h Cubic ft hr m 3 h Cubic m hr ft3 d Cubic ft day m 3 d Cubic m day Mft3 d mega cubic feet day Mm 3 d mega cubic meters day BBL S Barrel sec BBL S Barrel sec BBL M Barrel min BBL M Barrel min BBL H Barrel hr BBL H Barrel hr BBL D Barrel day BBL D Barrel day MBL D mega barrels day MBL D mega barrels day 7 Acre inch min Acre inch hr A 1 D Acre inch day A F S Acre feet sec A F M Acre feet min A F H Acre feet hr A F D Acre feet day 7 Scroll to the desired number of Vol Decimal Digits digits to the right of the decimal point in the volumetric flow display and press Enter Initial Setup 2 5 2007 Totalizer Units 8 Scroll to the desired Totalizer Units for the totalized flow rate display listed in Table 2 2 below and press Enter Table 2 2 Totalizer Units English Metric Salons MGAL mega gallons ML Megaliters ft 3 Cubic feet m3 Cubic meters Mft 3 mega cubic feet Mm 3 mega cub
62. he main power to the unit and remove the rear cover 2 Install the required cable clamp in the chosen conduit hole on the side of the electronics enclosure 3 Use the information in Table 1 1 below to construct a suitable cable for connecting the Model XMT868i to the external device If desired an appropriate cable may be purchased from GE Sensing Table 1 1 RS232 Connection to DCE or DTE Device J1 Signal Pin Description DTR 5 Data Terminal Ready 6 GIS 7 5 8 Clear to Send 7 COM Ground 7 5 7 5 Receive 2 3 3 2 9 TX Transmit 3 2 2 3 Note Signal names that imply direction e g transmit and receive are named from the point of view of the DTE device the GE Sensing meter is usually considered the DTE device When the RS232 standard is strictly followed these signals are labeled with the same name and pin on the DCE device side as well Unfortunately the convention is not followed because the DTE and DCE side get confused Therefore connections that imply direction are changed to reflect their direction on the DCE side 4 Feed the flying leads end of the cable through the conduit hole and wire it to terminal block J1 Connect the other end of the cable to the printer ANSI terminal or personal computer and secure the cable clamp Installation 1 11 2007 Wiring the RS232 Interface cont Wiring the R5485 Interface IATTENTION EUROPEAN CUSTOMERS To me
63. ic meters BBL Barrels BBL Barrels MBBL mega barrels MBBL mega barrels AC IN Acre inches AC FT Acre feet 9 Scroll to the desired number of Decimal Digits digits to the right of the decimal point in the totalized flow display and press Enter The program now varies depending on whether you have activated Mass Flow see the Programming Manual for details or the Energy Option in one of the Channel PROGRAM options Ifyou have activated Mass Flow continue to step 1 on the next page If you have activated the Energy Option but not Mass Flow skip to step 1 on page 2 8 Ifyou have activated neither option XMT868i returns to the Global PROGRAM window Press Escape to return to the PROG menu Then scroll to CH1 or CH2 and press Enter to program the Channel menu 2 6 Initial Setup 2007 Programming Mass Flow 1 Scroll to the desired Mass Flow Units for flow rate display listed Data in Table 2 3 below and press Enter Table 2 3 Available Mass Flow Units LB Pounds KG Kilograms KLB KiloPounds Tonne Metric Tons 1000 KG Thousands of Pounds MMLB MegaPounds TONS 2000 LB 2 Scroll to the desired Mass Flow Time Units from seconds to days and press Enter 3 Scroll to the desired number of Decimal Digits digits to the right of the decimal point in the mass flow rate display and press Enter 4 Scroll to the des
64. ils Transducer Cables Length Standard Pair of coaxial cables type RG62 aU length to 3 ft 1 m Optional Lengths up to 1000 ft 330 m maximum Temperature Transducers Type optional Loop powered 3 wire platinum RTDs clamp on and wetted thermowell types are available Range 4 to 500 F 20 to 260 C not all extremes of parameters can be achieved simultaneously Accuracy 0 27 F 0 15 C wetted RTDs matched pairs Specitications 4 5 2007 Pipe Size and Materials Wetted Transducers Clamp on Transducers Materials metals and most plastics Consult the factory for concrete glass and cement Pipe Sizes Transit Time Mode Inside diameter 1 to 200 in Materials metals and most plastics Consult the factory for concrete composite materials and highly corroded or lined pipes Pipe Sizes Transit Time Mode Outside Diameter 0 5 to 300 in 12 7 mm to 7 6 m and larger Pipe Wall Thickness Up to 3 in 76 2 mm 4 6 Specifications 2007 Flowcell Tilted Diameter Pipe Sizes Standard 2 to 200 in 50 to 5 000 mm Optional gt 200 in Material Standard Stainless steel carbon steel plastics fiberglass Optional Other metals plastics etc Process Connection Standard Straight welding 150 Ib flange 300 Ib flange Optional MJ Victaulic RTJ flanged cold tap Wetted Transducer Connection 1 NPTM for 6 in or
65. ion is OFF or to Table 2 14 on the next page if Energy Option is ON Note Some of the fluid types may require additional selections as shown in the following tables Initial Setup 2 17 2007 Fluid Type cont Table 2 13 Fluid Types for ENERGY OFF Tracking Windows Additional Selections Normal Water Sea Water Note If Normal Water is selected enter the Water Temperature and press Enter YES Additional Selections No additional selections required Oil Lube Oil Crude Oil Water 0 260C No additional selections required Methanol 25 C No additional selections required Oil Tracking No additional selections required Ethanol 25C No additional selections required OTHER Enter Minimum Soundspeed and press Enter Then enter Maximum Soundspeed and press Enter No additional selections required No additional selections required Enter the fluid soundspeed and press Enter Table 2 14 Fluid Types for ENERGY ON Tracking Windows Additional Selections YES Additional Selections Water Glycol Mixture Enter Water Temperature and press Enter Enter Fluid Soundspeed and press Enter Then enter Percentage of Water and press Enter Water 0 260C Water Glycol Mixture No additional selections required Enter Percentage of Water and press Enter OTHER Enter Fluid Soundspeed and pr
66. ired Mass Totals units for the totalized mass flow rate display listed in Table 2 3 above and press Enter 5 Scroll to the desired number of Mass Decimal Digits digits to the right of the decimal point in the totalized mass flow rate display and press Enter The program varies depending on whether or not you have enabled the Energy Option If you have not enabled the option the XMT868i returns to the Global PROGRAM window Press Escape to return to the PROG menu and scroll to the Channel PROGRAM f you have enabled the option continue to the next page Initial Setup 2 7 2007 Programming the Energy 1 Scroll to the desired Power Units listed in Table 2 4 below and Option press Enter Table 2 4 Available Power Units English Metric kBTUh Thousands of BTUs kCALs Kilocalories second hour MMBTU Millions of BTUs hour KCALm Kilocalories minute kW Kilowatt kCALh Kilocalories hour TONS Tons of refrigerant kCALd Kilocalories day MCals Megacalories second MCALm Megacalories minute MCALh Megacalories hour MCALd Megacalories day kW Kilowatt rw Mega 2 Scroll to the desired number of Power Decimal Digits and press Enter 3 Scroll to the desired Total Energy Units shown in Table 2 5 below and press Enter Table 2 5 Available Total Energy Units English kBTU Thousands of BTUs kCAL Kilocalories MM
67. ll It is calculated from the measured transit time and the clamp on parameters clamp ons only Displays the signal quality for the upstream transducer Displays the signal quality for the downstream transducer Displays the value for the signal amplitude of the upstream transducer Displays the value for the signal amplitude of the downstream trans ducer Displays signal peaks for the upstream transducer Displays signal peaks for the downstream transducer Displays the normalization factor for the upstream transducer Displays the normalization factor for the downstream transducer Displays the speed of sound in the transducer clamp on only Displays the temperature for the supply input energy measurement Displays the temperature for the return input energy measurement Difference between supply input and return input measurement energy measurement Displays the density for the supply input energy measurement Displays the density for the return input energy measurement Displays the delta enthalpy which is the difference between the supply and return Enthalpy is measure of energy contained in the fluid energy measurement Note The measurement units that appear in these prompts are those selected in the GLOBL SYSTM menu earlier in this section Also when differences in one channel s programming invalidate an output previously chosen for the other
68. ll to the SYSTM option Initial Setup 2 9 2007 Entering Data in the 1 From the Channel PROGRAM menu scroll to the SYSTM option and Channel System Option press Enter 2 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 three characters in the right pane and press Enter 3 The next prompt asks for the Channel Message Enter the desired text in the same manner as the channel label and press Enter 4 The program now asks if you want the Energy Option which enables flow measurement in a heating or cooling system Scroll to Off or On and press Enter 5 The next prompt asks for the Volumetric Units Scroll through the available units from the list shown in Table 2 6 below and press Enter when you reach the desired unit Note Refer to the SYSTM option of the GLOBL menu to choose between English and metric measurements Table 2 6 Available Volumetric Units Metric Volumetric Units L S Liters per Second English Volumetric Units GAL S U S Gallons per Second GAL M U S Gallons per Minute GAL H U S Gallons per Hour MGD Mega U S Gallons per Day ft3 s Cubic Feet per Second ft3 m Cubic Feet per Minute ft3 h Cubic Feet per Hour ft3 d Cubic Feet per Day m 3 d Cubic Meters Day Mf3 d Mega Cubic Feet per Day Mm3 d Mega Cubic Meters per L M Liters per Minute L H Liters per
69. ndix A CE Mark Compliance 4 If wiring of the unit has been completed reinstall the rear cover on the enclosure and tighten the set screw Note Prior to use the option card must be set up and calibrated See Chapter 1 Programming Site Data in the Programming Manual and Chapter 1 Calibration in the Service Manual for detailed instructions For more specific instructions on particular option cards proceed to the appropriate sub section s that follow Installation 1 13 2007 Wiring an Alarms Option Card Each alarms option card includes two or four general purpose Form relays designated as and 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 In setting up an alarm relay it may be wired for either conventional or fail safe operation In fail safe mode the alarm relay is constantly energized except when it is triggered or a power failure or other interruption occurs See Figure 1 4 below for the operation of a normally open alarm relay in both conventional and fail safe mode Connect each alarm relay in accordance with the wiring instructions shown on the label inside the rear cover see Figure 1 3 on page 1 7 and Figure 1 11 on page 1 24 Conventional Fail Safe not triggered not triggered MONITORING MONITORING DEVICE DEVICE ALARM ALARM MONITORING MON
70. ng Yes No Lining Material Lining Material Lining Sndspd Lining Sndspd Lining Thickness Lining Thickness Track Window Yes No Track Window Yes No Fluid Type Fluid Type Other Sndspd Other Sndspd of Water of Water Reynolds Corr Off Active Reynolds Corr Off Active KV Input Sel Table Static KV Input Sel Table Static Kin Visc Kin Visc Cal Factor Cal Factor of Traverses of Traverses Trans Spacing Trans Spacing Response Time Static Density Code Length Response Time CHANNELx SETUP ADVANCED FEATURES MASS FLOW Mass Flow No Mass Flow No Static Density CHANNELx SETUP ADVANCED FEATURES CODE Auto Short Long LENGTH Code Length Auto Yes Short Long B 4 Data Records 2007 Table B 3 Site Data cont CHx SETUP ADVANCED FEATURES KV SS KV SS or C3 Pairs KV SS or C3 Pairs Sig Stren Kin Visc Sig Stren Kin Visc Soundspeed Soundspeed dk dk OI CO NM FIN N LOI CO NM AU FIN N e CHx SETUP ADVANCED FEATURES MULTIK Custom Type CstV CstR CustomType CstV CstR K Factor Table K Factor Table K Factor Vel Reyn K Factor K Factor Vel Reyn K Factor rm LOI LOI Data Records B 5 2007 EE _ Ta
71. nts of the PanaView text display appear in Figure 3 2 Display below along with a typical flow rate readout Figure 3 2 Typical PanaView Text Display Pane As shown in Figure 3 2 above the text pane includes the following information Channel Number Flow Parameter Units of Measure Flow Rate Value The example in Figure 3 2 above is typical but the first three items in the list above may be reprogrammed to display a variety of alternative choices See the next section for detailed instructions on programming these parameters Note Error code messages may appear in the lower left corner of the PanaView text display window For information about these error codes and how to respond to them refer to Chapter 2 Error Codes in the Service Manual Proceed to the Taking Measurements section to use the 8681 3 4 2007 Taking Measurements Programming the LCD The Model 8681 is capable of displaying several different variables in a variety of formats However this manual will only discuss 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 Also refer to the Programming Manual and or the PanaView User s Manual to use PanaView or the analog outputs to obtain the flow rate data Note When you first initialize the XMT868i the number of LCD
72. ocess parameters To do so proceed as follows 1 Display the first process parameter in a text screen as described in the previous section 2 Repeat Step 1 for any desired additional process parameters by double clicking on them in the PanaView network tree PanaView automatically tiles the multiple text screens in the right pane of the Text Display window as shown in Figure 3 5 below Text Display Ey File Edt View Output Window Network My Computer MELANCEL 2 97 Untitl EnergyRate kBTU h FWD Energy kBTU REV Energy kBTU UP Sig Strength h Theta 3 degrees UP Norm Factor DN Norm Factor Supply Temp deg F Return Temp deg Supply Rtn deg Supply Dens LB ft 3 Renan Dens 1 820757 n Interval 5 Sec EXE Get Once Network My Computer MELANCELRNUntilled Com 1 This is amXMT Channel 1 Thursday June 24 2004 14 02 08 0 PC Logs Running Ers 0 Figure 3 5 Multiple Text Screens in the Text Display Window 3 As in any standard Windows application the multiple text screens may be resized by dragging their borders Also the individual panes within parameter s text screen may be resized by dragging the borders within that text screen 4 To close an open text screen right click anywhere within that screen except in the title bar or the error section and click on the Remove option t
73. ompleted entering data in the SYSTM option The meter returns to the Channel PROGRAM menu Proceed to the next page to enter PIPE parameters Initial Setup 2 13 2007 Entering Pipe Parameters Special Transducers Enter the transducer and pipe parameters via the PIPE submenu While following the programming instructions refer to Figure 2 3 on page 2 21 1 From the Channel PROGRAM menu scroll to the PIPE option and press Enter 2 The first prompt asks for the Transducer Number For a standard transducer enter the number engraved on the transducer head in the right pane and press Enter Ifthere is no number engraved on the transducer head press the right arrow key to scroll to the Special option enter an assigned number from 91 to 99 and press Enter IMPORTANT Special transducers which have no engraved number on the head are rarely used Examine the transducer head carefully for a number The menu now varies depending on your selection in step 2 If you entered the number for a standard clamp on transducer proceed to the Pipe Material prompt in step 4 f you entered the number for a standard wetted transducer proceed to the Pipe OD prompt in step 5 If you entered the number for a special transducer proceed to step 3 below Note For special transducers GE Sensing will supply a transducer data sheet with programming information 3 For special transducers a The progr
74. ored Operation e EN61010 1 1993 A2 1995 Overvoltage Category Il Pollution Degree 2 EN 60529 1991 A1 2000 IP66 following the provisions of the 89 336 EEC EMC Directive the 94 9 EC ATEX Directive and the 73 23 EEC Low Voltage Directive The units listed above any transducers supplied with them spoolpieces are addressed under a separate declaration of conformity do not bear CE marking for the Pressure Equipment Directive as they are supplied in accordance with Article 3 Section 3 sound engineering practices and codes of good workmanship of the Pressure Equipment Directive 97 23 EC for DN 25 Shannon December 7 2004 dus James Gibson GENERAL MANAGER LS 180 9002 ESSEN Shannon ISO 9001 0 5 CERT DOC H4 August 2004 DECLARATION Sensing DE CONFORMITE Nous Panametrics Limited Shannon Industrial Estate Shannon County Clare Ireland d clarons sous notre propre responsabilit que les DigitalFlow XGM868i Ultrasonic Gas Flow Transmitter DigitalFlow XGS868i Ultrasonic Steam Flow Transmitter DigitalFlow XMT868i Ultrasonic Liquid Flow Transmitter r latif cette d claration sont en conformit avec les documents suivants EN 50014 1997 A1 A2 1999 EN 50018 2000 EN50281 1 1 1998 as specified in 155 02 008 Il 2 GD EEx IIC T5 ISSeP B7340 Colfontaine Belgium EN 61326 1998 Class A Annex A Continuous Unmonitored Operation e E
75. parameters is set to OFF You must program the LCD to display any measured parameters Through the Keypad Program you can program the LCD display to display up to four variables in sequence Complete the following steps to program the LCD display 1 Power up the 8681 and wait until it has initialized 2 Press Escape Enter Escape 3 In the Keypad Program window scroll to PROG and press Enter 4 In the PROG menu scroll to GLOBL and press Enter 5 Scroll to I O and press Enter 6 Scroll to LCD and press Enter 7 The window now asks for the of LCD Parameters Scroll to the desired number from OFF through 1 4 and KEY and press Enter The OFF setting switches the measurement display off while the KEY setting enables users to change the measurement display via the arrow keys without accessing the Keypad Program If you select KEY To view a parameter other than the one currently displayed press lt and gt keys to scroll through the various parameters To view the channel measurements on a two channel 8681 press the A or keys until you have reached the desired channel and measurement For a 1 Channel 8681 the data for Channel 1 is displayed automatically and you can skip to step 9 However for a 2 Channel meter the channel data to be displayed must be specified at the following prompt Operation 3 5 2007 Programming the LCD 8 Scroll
76. quency Cable for Special Transducers 2 14 un 1 11 Fuse Ratings 4 2 Tr nsd cers es 1 3 CE Mark Compliance 1 G Channel Label 2 10 Channel Menu 29 Global Channel Message 2 10 Menu A Channel SYSTM Submenu 2 10 SUDM NUS a ua e ans pde 2 4 CHx Menu 2 9 Global Menu Connecting I O Submenu See Part Name LCD Option 3 5 Connectors Electrical 16 GLOBLMenu GLOBL SYSTM Submenu 2 4 2 Display ee NEN 32 A Measurement Mode 3 2 LCD Option ELEND ET ERNST 3 5 Down Arrow 2 2 Infrared Keypad Using 2 2 Initial Setup Data Table B 3 Minimum Required 2 1 Input Voltage 1 7 Internal 3 2 Index 1 2007 Index cont K P Keypad Program PanaView Displaying Data in 3 4 ACTIV Submenu 2 9 Path Length 2 16 Keypad Program Entering 2 3 Pausing Measurement 3 12 Keypad Program Exiting if Unused 2 3 PIPE KV Input Selection 2 19 2 14 Pipe Length sna
77. ram that communicates with the XMT868i via its RS232 serial port PanaView supplements basic XMT868i functions with several additional capabilities With PanaView you can load and save site file data create and save graph and log files display text output and graphs of live measurement data create custom templates for displaying text graph and log data interface with multiple GE Sensing instruments This chapter focuses on programming via the infrared keypad For information on programming the XMT868i via PanaView refer to Appendix C of the Programming Manual Initial Setup 2007 XMT868i Enclosure The window at the top of the 8681 enclosure includes the Infrared Keypad components shown in Figure 2 1 below DigitalFlowTM Panametrics XMT868i Liquid Flow Transmitter Escape Figure 2 1 The Enclosure Window IMPORTANT The XMT868i s infrared keypad permits programming of the instrument through the glass faceplate without removing the cover Thus all programming procedures may be performed while the unit is installed in a hazardous area Six keys on the infrared keypad enable users to program the XMT868i Enter confirms choice of a specific option and data entry within the option Escape allows users to exit from a specific option without entering unconfirmed data 9 A and V enable users to highlight a specific window in the display option or to scroll through
78. re and tighten the set screw Proceed to the next section to continue the initial wiring of the unit Installation 2007 Wiring Option Cards Preparing for Wiring The 8681 can accommodate one option card in Slot 1 and one option card in Slot 2 The following types of option cards are available only in the combinations listed in Table B 1 page 1 Alarm Relays Slot 1 Analog Inputs Slot 1 Totalizer Frequency Outputs Slot 1 RTD Inputs Slot 1 Analog Outputs Slot 1 MODBUS Communications Slot 2 MODBUS TCP Communications Slot 2 Ethernet Slot 2 Foundation Fieldbus Slot 2 e Data logging Slot 2 no wiring required Wiring any option card installed in Slot 1 requires completion of the following general steps 1 Disconnect the main power to the unit and remove the rear cover 2 Install a cable clamp in the chosen conduit hole on the side of the electronics enclosure and feed a standard twisted pair cable through this conduit hole 3 Locate the 12 pin terminal block J2 in Figure 1 10 on page 1 23 and wire the option card as indicated on the label inside the rear cover see Figure 1 3 on page 1 7 and Figure 1 11 on page 1 24 Secure the cable clamp IMPORTANT Because of the attached wiring label all rear covers must remain with their original meters IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appe
79. s A and in Slot 0 in the XMT868i software IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix A CE Mark Compliance 4 If wiring of the unit has been completed reinstall the rear cover on the enclosure and tighten the set screw IWARNING Make sure both covers with their o ring seals are installed and the set screws tightened before applying power in a hazardous environment Note Prior to use the analog outputs must be set up and calibrated See Chapter 1 Calibration of the Service Manual for detailed instructions Proceed to the next section to continue the initial wiring of the unit Installation 2007 Wiring the Serial Port The Model XMT868i flow transmitter is equipped with built in serial communications port The standard port is an RS232 interface but an optional RS485 interface is available upon request Proceed to the appropriate sub section for wiring instructions For more information on serial communications refer to the EZA RS Serial Communications manual 916 054 Wiring the RS232 Interface Use the serial port to connect the Model XMT868i flow transmitter to a printer an ANSI terminal or a personal computer The RS232 interface is wired as Data Terminal Equipment DTE and the signals available at terminal block J1 are shown in Table 1 1 below Refer to Figure 1 10 on page 1 23 and complete the following steps 1 Disconnect t
80. t the system units from the GLOBL menu as discussed below Refer to Figure 2 2 on page 2 20 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 The GLOBL SYSTM submenu is used to enter several general system parameters e g English or metric units For units with 2 channels this menu is also used to compute parameters such as the sum difference or average of the channel 1 and channel 2 signals When calculating the SUM DIF or AVE readouts data from the GLOBL SYSTM submenu is used Any conflicting data entered in the Channel Systm submenu is overridden 1 Inthe Keypad Program scroll to PROG and press Enter 2 Inthe PROG menu scroll to GLOBL and press Enter 3 In the Global PROGRAM menu scroll to SYSTM and press Enter 4 The first prompt asks for a Meter Message Enter a numeric or text message up to 16 characters and press Enter 5 Scroll to the desired System Units selection either metric or English and press Enter The XMT868i will display parameters and measurements in the designated units For a single channel 8681 the program returns to the Global PROGRAM menu Scroll to or CH2 to enter the Channel menu discussed on page 2 9 For a 2 channel meter proceed to step 6 Initial Setup 2007 Volumetric Units 6 Scroll to the desired Volumetric Units for t
81. the Pause Measurement entry and then on the Measure flow option The XMT868i resumes flow measurement Operation 2007 Br m m Procedure Options The Startup Guide is intended to provide only those instructions necessary to get the 8681 installed and operating By following the instructions in this chapter the Model XMT868i can be set up to display the desired channel option and the desired measurement parameter using either the LCD display or PanaView To utilize the more advanced capabilities of the Model 8681 refer to the Programming Manual and or the Service Manual for the instrument Also refer to the PanaView User s Manual for instructions on using the PanaView software with the XMT868i Operation 3 13 Chapter 4 Specifications General anal 4 1 Electrical de dau 4 2 Transducer 4 4 Pipe Size and Materials nn nee een 4 6 2007 General Hardware Configuration Environmental Flow Accuracy Velocity The general specifications for the Model 8681 flow transmitter are divided into the following categories Channel Options Standard 1 Channel Optional 2 Channel 2 pipes or 2 paths per pipe Mode Options Transit Time Package Options Standard Epoxy coated aluminum Type 7 4X IP66 Explosion proof Class I Div 1 Groups amp Class II Groups
82. the previous page Click on the Get Once option button at the bottom of the right pane in the 7ext Display window The current value of the selected process parameter as specified in the PanaView network tree is displayed in the right pane of the Text Display window Or Enteran interval in the text box at the bottom of the right pane in the 7ext Display window or check the Max Comm Rate box to collect readings as fast as the system allows 1 sec Then click on the Continuous option button to begin collecting data for display in the right pane of the Text Display window Note Any value entered in the Interval text box is overridden if the Comm Rate box is checked The right pane now appears similar to Figure 3 2 on page 3 4 6 If the Continuous option was selected in Step 5 above click on the Stop option button which has replaced the original Continuous option button to terminate data collection The Text Display window may be left open while other tasks are performed or it may be closed by clicking on the lower X control button at the far right of the menu bar IMPORTANT jf you click on the upper X control button at the far right of the PanaView title bar you will exit PanaView completely Operation 2007 Displaying Multiple The procedure for displaying a single process parameter in a text Process Parameters screen may be repeated to simultaneously display multiple pr
83. to the PIPE option e If you have enabled the option continue to the next page 2 12 Initial Setup 2007 SS Programming the Energy 1 Scroll to the desired Power Units listed in Table 2 9 below and Option press Enter Table 2 9 Available Power Units kBTUh kCALs Kilocalories second Thousands of BTUs hour MMBTU Mega BTUs hour kCALm Kilocalories minute kW Kilowatt kCALh Kilocalories hour TONS Tons 2000 LB kCALd Kilocalories day MCALs Megacalories second MCALm Megacalories minute MCALh Megacalories hour MCALd Megacalories day KWATT Kilowatt aT reget 2 Scroll to the desired number of Power Decimal Digits and press Enter 3 Scroll to the desired Total Energy Units shown in Table 2 10 below and press Enter Table 2 10 Available Total Energy Units Thousands of BTUs hr KCAL Kilocalories MMBTU Mega BTUs hour MCAL Megacalories kWHr Kilowatt hour kWHr Kilowatt hour TONS Tons 2000 LB MWHr Megawatt hour 4 Scroll to the desired number of Energy Decimal Digits and press Enter 5 Scroll to highlight if you are using a Heating or Cooling System and press Enter 6 The final prompt asks whether you want to conduct Flow Measurement at the point of RTN Return where the liquid exits or of SPPLY Supply where the liquid enters Scroll to the appropriate choice and press Enter You have c
84. ty and fitness for a particular purpose and warranties arising from course of dealing or usage or trade If a GE Sensing Inc instrument malfunctions within the warranty period the following procedure must be completed 1 Notify GE giving full details of the problem and provide the model number and serial number of the instrument If the nature of the problem indicates the need for factory service GE will issue a RETURN AUTHORIZATION number RA and shipping instructions for the return of the instrument to a service center will be provided 2 If GE 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 3 Upon receipt GE will evaluate the instrument to determine the cause of the malfunction Then one of the following courses of action will then be taken 9 fthe damage is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned f GE determines that the damage is not covered under the terms of the warranty or if the warranty has expired an estimate for the cost of the repairs at standard rates will be provided Upon receipt of the owner s approval to proceed the instrument will be repaired and returned 2007 Table of Contents Chapter 1 Installation Irae se Se ee EE 1 1 UNPACKING Bes a
85. ut D 24 V to Input D Input D Signal Input D Return 2 3 4 5 6 7 8 9 Installation 1 17 2007 Wiring the MODBUS The MODBUS option card uses the RS485 standard for MODBUS Option Card 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 GE Sensing 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 Note The MODBUS option card provides its own RS485 connections Thus the meter can have its serial port configured as RS232 and still provide RS485 MODBUS signals IMPORTANT Because the MODBUS option card uses pins 1 and 2 on terminal block J2 only those option cards that do not use these pins may be installed in Slot 1 while a MODBUS card is installed in Slot 2 Specifically only the option cards designated as and OR in Figure 1 11 on page 1 24 are compatible with the MODBUS option card To link the XMT868i to the control system refer to Figure 1 7 1 Connect the TMT wire to pin 2 the inverting or negative connection 2 Connect TMT wire to pin 1 the non inverting or positive connection 3 If desired the pin 3 can be used for an optional shield Figure 1 7 The RS485 MODBUS Termin
86. y be used but they must have an accuracy equal to 0 5 of the reading or better Note Resistive Thermal Devices RTDs are a good choice for measuring the temperature Typically 1 2 NPT female threaded port is used to mount the transmitters on the flowcell If the pipeline is insulated the coupling may need to be extended to provide convenient access Of course other types of mounting ports including flanged ports may be used for the transmitters Figure 1 2 on page 1 5 shows a typical mounting arrangement for a temperature transmitter The temperature transmitter should protrude 1 4 to 1 2 way into the pipe Installation 2007 Installing Temperature Transmitters cont Temperature Transmitter Thermowell Coupling Flowcell Wall Figure 1 2 Typical Temperature Transmitter Mounting Mounting the XMT868i The standard model 8681 electronics package is housed in Electronics Enclosure Type 4X weather resistant enclosure suitable for indoor or outdoor use Refer to Figure 1 8 on page 1 21 for the mounting dimensions and the weight of this enclosure The Model XMT868i 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 1 9 on page 1 22 WARNING Proper grounding of the XMT

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DigitalFlow™ XMT868i - GE Measurement & Control