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GE DigitalFlow GS868 Panametrics Steam Ultrasonic

1. Psa Psi t BAR9 PIPE OD English FA FI F2 FI KPag MASS FLOW L Leg inch feet mm No Y es GAG Je Je F3 English Metric PRESSURE PI mme Fi F2 F3 F4 STOPWATCH TOTALIZER 3 pela Lc B ks mms Tons ESUATON E m auro A PATH LENGTH P MASS FLOW TIME English STAND eru Fi F2 SD GTUL Fi F2 SEG MIN VOLUMETRIC UNITS English Metric lahe Be Fi F2 F3 FI F2 F3 ace kacF MMACE acm Kacm weu LL d PIPE WALL Figure 2 1 Model GS868 Initial Setup Menu Map AXIAL LENGTH L F1 F2 CL GL inch feet ENN MDOT DECIMAL DIGITS F2 2 F4 Fi F2 F4 Fi F2 scr kscF MMscr scm ksem MMSCM IASS TOTALIZER FLUID TYPE English i Engrs VOLUMETRIC TIME El F2 FI F2 FS STEAM OTHER FI F2 B kB MWLB FLUID SOUNDSPEED sec min Reynolds Correction VOL DECIMAL DIGITS F2 F1 F2 ves A U tO o G KINETIC VISCOSITY MASS DECIMAL DIGITS F1 F2 CALIBRATION FACTOR Initial Setup 2 11 Chapter 3 Operation Introduction ans A 3 1 PoWering UD usa er mn kena d T LA Ire DE te p R
2. Chapter A Specifications General acka Sn ee a m E E tae u sqa alal Pee 4 1 Electrical ca maal et 4 2 Operational Akte a ad 4 4 TEASER AR 4 4 March 2008 General Hardware Configuration Environmental Flow Accuracy Range Rangeability Overall Repeatability Response Time The general specifications for the Model GS868 flowmeter are divided into the following categories Package Options Epoxy coated aluminum standard Stainless steel Explosion proof Physical Size 14 24 x 11 4 x 5 12 in 36 2 x 29 x 13 cm Weight 11 Ib 5 kg Operating Temperature 4 to 131 F 20 to 55 C Storage Temperature 67 to 167 F 55 to 75 C of Reading 1 to 2 of reading typical Note Accuracy depends on pipe size and whether measurement is 1 path or 2 path Accuracy to 0 5 of reading may be achievable with process calibration Bidirectional 150 to 0 1 ft s 46 to 0 03 m s 0 1 to 150 ft s 0 03 to 46 m s 1500 1 0 2 to 0 5 Note Specifications assume a fully developed flow profile typically 20 diameters upstream and 10 diameters downstream of straight pipe run and flow velocity greater than 3 ft s 1 m s For a 0 90 Step Change 3 seconds to within 1 of final value Specifications 4 1 March 2008 Electrical Power Supply Power Usage Operating Mode European Compliance Input Output Specifications The electrical specifications
3. SINGLE PREAMPLIFIER Installation 1 21 Chapter 2 Initial Setup Introduction sans ea 2 1 Navigating Through the User Program 2 1 Accessing the User Program 2 2 Activating d Chonnel 2 3 Entering System Data for a Channel 2 4 Entering Pipe Data ie 2 7 March 2008 Introduction Navigating Through the User Program This chapter provides instructions for entering the minimum amount of programming data required to place the Model GS868 flowmeter into operation Before the Model GS868 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 GS868 but this information is not required to begin taking measurements Note See the Programming Manual for information on those User Program options not covered in this chapter In order to begin using the Model GS868 the following submenus within the User Program will be accessed ACTIV enables selection of the desired measurement method for a 2 Channel meter it is also used to activate a channel SYSTM prompts the user to enter the required system data PIPE prompts the user to enter the req
4. 2 4 for 2 Channel Meter 2 5 T Temperature Transmitter Installing 1 5 LOCATION ee MS ttes 1 3 RED eese ed 1 5 Terminal Block Analog Outputs I O 1 10 Power IBI adele 1 7 Serial Port RS232 1 10 Transducers CHI CH2 1 9 Time Delay REIS 2 7 Totalizer Frequency Option Card Connecting 1 16 Transducer Number 2 7 Transducer Special 2 7 Transducers 180 Installation D 1 Axial Dimension D 1 Bias 90 Installation D 1 Cables Wars wet tod 1 3 1 9 Connecting siria ie 1 9 Installation Angle D 1 LOCATION 2 ser eR dech sous 1 2 Path Length D 1 Transmitter See Temperature or Pressure Transmitter U Unpackins s RR IRE EA 1 1 User Program ACTIV Submenu 2 3 Entering Lera tasse tent 2 2 Navigating pinta 2 1 PIPE Submenu 2 7 V Voltage Input 1 7 Volumetric Units 2 5 W Wiring CE Mark Compliance A 1 Foundation Fieldbus 1 13 Option Card See Card Name Terminal Block See Block Name Index DECLARATION Sensing OF CONFORMITY We Panametrics Limited Shannon Industrial Estate Shannon County Clare I
5. 1 14 Locator Bar 3 3 Relay Ratings 4 3 Locator Bar Symbols 3 4 Analog Inputs Option Card Measurement Mode 3 2 Connecting 1 15 Metric or English 2 4 Pin Assignments 1 15 Option B t nee uve a 3 3 Rating 1 15 Parameter Options 3 6 Ratings za 4 2 Pointer ees E D 3 3 Analog Outputs Slot 0 Prompt Area 3 3 Connecting 1 10 KEE 3 3 Analog Outputs Option Card USING rss gun al 3 3 Connecting 1 17 Axial Dimension D 1 E A O a a2 Electrical Connectors 1 6 Electronics Console C Description 1 2 Cable Mounting 1 6 serial Port Sid m tag ced ween ah sin 1 10 Ethernet Wiring the 1 12 Transducers 1 3 1 9 Calibration Factor 2 8 F CE Mark Compliance 1 1 1 6 1 7 1 9 A 1 Fieldbus Network 1 13 Channel Label n iie hier Rr d 2 5 C onnectionS 1 13 Channel Message 2 5 Flowcell comerme Description 1 2 See Part Name I nstalling sn as 1 3 Connectors Electrical 1 6 FluidType 2 8 Foundation Fieldbus Avail
6. 550 Q maximum load Optional selection of up to 3 additional output boards each with four isolated 0 4 20 mA outputs 1000 O maximum load Totalizer Frequency Output Options Select up to 3 Totalizer Frequency Output Boards each with four outputs per board 10 kHz max All boards allow software selectable functioning in two modes Totalizer Mode one pulse per defined unit of parameter e g 1 pulse SCF Frequency Mode pulse frequency proportional to magnitude of parameter e g 10 Hz 1 gpm Alarm Options Select up to 2 boards of one of the following types Basic Relay Board with three general purpose Form C relays Hermetic Relay Board with three hermetically sealed Form C relays Maximum Relay Ratings 120 VAC AC Voltage 28 VDC DV Voltage SA AC DC Current 60 VA AC Power 30 W DC Power General Purpose or 56 W DC Power Hermetically Sealed Specifications 4 3 March 2008 Operational Flow Computer Built in Data Logging Display Functions Printer Signal Output Transducer Type Temperature Range Pressure Ranges Materials Connections The operational specifications for the Model GS868 flowmeter are divided into the following categories The flow computer has three operating modes 1 RUN Normal operating mode Flow velocity equations are solved and statistical data rejection techniques are employed to provide reliable and repeatable results 2 PARAMETER Allo
7. Edit Toble No Yes K factor Table K factor Table K Factor Velocity K Factor K Factor Velocity K Factor rm rm 2 3 4 5 6 7 8 9 SO CO AIO AININ Col Factor Col Factor Data Records B 3 Appendix C Optional Enclosures introductioni i a oo ia Eeer EE ine C 1 Rack Mount Enclosure C 1 Rack Mount Wiring u us l Ren C 1 Rack Mount Front Ponel C 2 March 2008 Introduction Upon request the Model GS868 flowmeter may be supplied in an enclosure other than the standard Type 4X enclosure described in Chapter 1 Installation of this manual Although the standard installation and wiring instructions still apply in general terms some of the details may vary for different enclosure types Refer to the appropriate sections of this appendix for the specific type of enclosure provided Rack Mount Enclosure The Model GS868 flowmeter is available in a rack mount enclosure for installation in a standard 19 electronics rack Refer to Figure C 1 on page C 3 for the dimensions of this unit Simply slide the Model GS868 into the rack at the desired height and fasten the unit securely to the rack with four screws in the locations provided at the sides of the front panel After the unit has been physically mounted into the r
8. Installation 1 20 March 2008 WIRING DETAIL PRESSURE AND TEMPERATURE INPUTS USING EXTERNAL 24VDC SUPPLY PREAMPLIFIER TRANSDUCER REF ONLY REFERENCE ONLY ET FLYING LEAD TO BNC COAX CABLES POWER SUPPLY HAN BY Ge S now 4 n A PRESSURE TRANSMITTER e GALEN TO PRESSURE INPUT REFERENCE ONLY SUPPLIED BY GE 10 FOOT 5858 v J Tus am TRANSDUCER REF ONLY PIPE REF ONLY 1 pave SENSOR 2 am our sN 4 24V TEMPERATURE TRANSMITTER PREAMPLIFIER TEMPERATURE INPUT REFERENCE ONLY GS868 PIN di DUAL PREAMPLIFIER 5 24V SENSOR IN2 our 6 7 N2 8 24V ref dwg 702 213 sht 2 of 2 iring CAUTION As part of maintaining the FM CSA environmental rating WIRING DETAIL PRESSURE AND TEMPERATURE INPUTS NEMA TYPE 4 on the remote preamplifier thread sealant Kee is required on all conduit entries TRANSDUCER REF ONLY PRESSURE INPUT SOFTWARE ASSIGNED PRESSURE TRANSMITTER asses REFERENCE ONLY L o 3 s a lt o o o o 7 gt PINE 1 2904 N 2 vumm SENSOR 3 mm our 4 COAXIAL CABLES BNC TO BNC TRANSDUCER REF ONLY PIPE REF ONLY SUPPLIED BY GE 10 FOOT 24V JUMPER WIRE NOT SUPPLIED Figure 1 11 FLYING LEAD TO BNC COAX CABLES UP TO 1000 FEET SUPPLIED BY GE TEMPERATURE INPUT SOFTWARE ASSIGNED TEMPERATURE TRANSMITTER sees REFERENCE ONLY PINE 5 24V N 6 um SENSOR 7 we our 8 PREAMPLIFIER 24V JUMPER WIRE NOT SUPPLIED
9. insert the jack of an RJ45 cable into the RJ45 connector route the cable through the bottom of the GS868 and wire the other end of the cable to the Ethernet network according to the manufacturer s instructions Note The MAC address for a specific GS868 is included with customer documentation For more information on setting up the MAC address refer to Chapter 6 of the Programming Manual Installation March 2008 Wiring the Foundation Fieldbus network connections are made at J8 J9 pins 1 and 2 see Fieldbus Network Figure 1 5 below Optionally a shield can be connected to J8 J9 pin 3 depending on the network wiring Connector J8 or J9 will be installed depending on the option ordered by the customer No connections are made to J8 J9 pins 7 and 9 under normal operation If it is desired to reset the network board to factory defaults 1 Connect a jumper between J8 J9 pin 7 and pin 9 2 Power cycle the instrument 3 Ten seconds after the power has been restored to the unit remove the jumper to return the network board to normal operation Figure 1 5 Network Connections Standard Option Interior Installation 1 13 March 2008 Wiring on Alarms Option Cord The Model GS868 flowmeter can accommodate up to 4 alarms option cards Each alarms option card includes three Form C relays designated as A B and O The alarm relays on the option card are available in two types general purpose he
10. special transducer The meter can not transmit an excitation voltage at the transducer s natural frequency without this data c Enter the special transducer Time Delay Tw value supplied by the factory Press ENT The meter will only accept values from 0 to 1000 psec Note Tw is the time required for the transducer signal to travel through the transducer and its cable This time delay must be subtracted from the transit times of the upstream and downstream transducers to ensure an accurate measurement 3 Enter the known Pipe OD or circumference and use the F1 F4 keys to select the appropriate units Press ENT The meter will only accept values from 1 8 to 648 in The option bar choices may appear in English or Metric units 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 Table 2 4 below lists the available English and metric OD units Table 2 4 Available Pipe OD Units English inch pipe OD in inches mm pipe OD in millimeters feet pipe OD in feet m pipe OD in meters in PI pipe circumference mm Pl pipe circumference ininches in millimeters ft PI pipe circumference m PI pipe circumference in feet in meters Initial Setup 2 7 March 2008 Pipe Wall Path Length Axial Length Fluid Type Reynolds Correction Calibra
11. F1 to select Skan mode or F2 to select Skan Measure mode The meter will exit the ACTIV submenu and return to the channel menu screen As indicated in the above prompt the Model GS868 flowmeter can take measurements in two different ways Skan is a low resolution technique for locating the acoustic signal and for high velocity measurements It is more robust in a noisy environment than the Measure technique Measure is a more precise technique best used for low velocity measurements If Skan is selected at the next prompt the instrument uses this technique exclusively However if S M is selected the meter uses Skan to find the acoustic signal and then tries to use the Measure technique for a more precise measurement Proceed directly to the next section to program the SYSTM submenu Initial Setup 2 3 March 2008 Entering System Data for q Chonnel A 1 Channel Meter Begin the programming of the SYSTM submenu in either the Channel or 2 Channel section below For the 1 Channel Model GS868 the information entered in the SYSTM submenu pertains to the global operation of the flowmeter 1 At the User Program screen press the F2 function key to program the SYSTM submenu 2 Enter a Site Label of up to 9 characters and press ENT While taking measurements the site label will appear on the locator bar 3 Enter a Site Message of up to 21 characters Press ENT 4 To select the System Units press F
12. Installation 1 11 March 2008 Wiring the Ethernet Interface Wiring the MODBUS TCP Interface A modified GS868 can use the Ethernet interface to communicate to an internal network An optional Ethernet card with a unique MAC IP address installed only in slots 5 or 6 includes an RJ45 connector To connect the Ethernet enabled GS868 to the network insert the jack of an RJ45 cable into the RJ45 connector route the cable through the bottom of the GS868 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 GS868 s RS232 connector as shown in Table 1 2 below Note The MAC address for a specific GS868 is included with customer documentation For more information on setting up the MAC address refer to Chapter 6 of the Programming Manual Table 1 2 RS232 to Ethernet Interconnections GS868 Type Terminal Block Terminal Block RS232 on Main Board TB1 on Ethernet Card TX Pin 1 RX Pin 2 Pin 3 RS232 on Main Board TB2 on Ethernet Card TX Pin 1 RX Pin 2 Pin 3 Wall Mount Rack Mount Customers can also use a modified GS868 that provides a MODBUS TCP interface to communicate to an internal network An optional MODBUS TCP card with a unique MAC IP address installed only in slots 5 or 6 includes an RJ45 connector To connect the MODBUS TCP enabled GS868 to the network
13. March 2008 Coble Lengths Temperature and Pressure Transmitters Transducer Cables Installing a Flowcell Locate the flowcell transducers as close as possible to the electronics console The factory supplies transducer cables up to 500 ft 153 m in length If longer cables are required consult the factory for assistance When installing temperature and or pressure transmitters in the flowcell locate them downstream of the flowmeter transducers These transmitters should be positioned no closer to the flowmeter transducers than 2 pipe diameters and no further away from the flowmeter transducers than 20 pipe diameters When installing the transducer cables always observe established standard practices for the installation of electrical cables Specifically 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 When using non GE cables to connect the flowmeter transducers to the Model GS868 electronics console the cables must have electrical characteristics identical to the GE cables Type RG 62 a u coaxial cable should be used and each cable must be the same length within 4 in 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
14. Mass Ultrasonic Flowmeter r latif cette d claration sont en conformit avec les documents suivants e EN 61326 1998 Class A Annex A Continuous Unmonitored Operation e EN 61010 1 1993 A2 1995 Overvoltage Category Il Pollution Degree 2 suivant les r gles de la Directive de Compatibilit Electromagn tique 89 336 EEC et de la Directive Basse Tension 73 23 EEC 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 June 1 2002 po AA Mr James Gibson DIRECTEUR GENERAL CE e LS EN 1509002 T V ESSEN Shannon ISO 9001 U S CERT DOC H4 August 2004 Sensing KONFORMIT TS ERKLARUNG Wir Panametrics Limited Shannon Industrial Estate Shannon County Clare Ireland erkl ren in alleiniger Verantwortung da die Produkte DF868 Liquid Ultrasonic Flowmeter GF868 Flare Gas Ultrasonic Flowmeter GM868 Multi Purpose Gas Ultrasonic Flowmeter GN868 Natural Gas Ultrasonic Flowmeter GS868 Steam Mass Ultrasonic Flowmeter folgende Normen erf llen e EN 61326 1998 Class A Annex A Continu
15. These option cards are identical to the temperature pressure card described above and they should be wired in the same manner see Figure 1 6 on page 1 14 Note The analog inputs option card can be calibrated with the Model GS868 s 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 The Model GS868 can accommodate up to four totalizer freguency outputs option cards Each totalizer freguency outputs option card provides four outputs designated as A B C and D that can be used as either totalizer or freguency outputs Each totalizer freguency output reguires two wires Wire this terminal block in accordance with the pin number assignments shown in Figure 1 10 on page 1 20 Figure 1 8 below shows sample wiring diagrams of a totalizer output circuit and a frequency output circuit Totalizer Output Model GS868 Pulse Counter Max Current Max Voltage Isolation Voltage Volts Max Load Power Int Pwr Sup C Isolated Return Common Freguency Output Model GS868 Freguency Counter C Isolated Return Figure 1 8 Totalizer Freguency Outputs Wiring Installation March 2008 Wiring an RTD Inputs Option Cord Wiring a 0 4 20 mA Analog Outputs Option Card The Model GS868 can accommodate up to four RTD Resistance Temperature Device inputs option cards Each RTD inputs option car
16. leads end of the cable to terminal block RS232 and connect the other end of the cable to the printer ANSI terminal or personal computer After the wiring has been completed consult the User s Manual for the external device to configure it for use with the Model GS868 Installation March 2008 Wiring the RS485 Interface Use the optional RS485 serial port to network multiple GS868 flowmeters to a single computer terminal Upon request the standard RS232 port on the GS868 may be configured as a two wire half duplex RS485 interface through a device such as the INMAC Model 800052 RS232 RS422 RS485 converter To wire the RS485 serial port refer to Figure 1 10 on page 1 20 and complete the following steps 1 Disconnect the main power to the unit and remove the 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 Connect the other end of the cable to the converter as shown in Figure 1 4 below Converter 1 TD OUT Figure 1 4 Typical RS485 Connections 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
17. shorting the center conductor of the transducer cables to the metal shield on the cable connector 1 Using the pair of coaxial cables with BNC to BNC connectors supplied by the factory or equivalent cables connect both transducers to the preamplifier Caution As part of maintaining the FM CSA environmental rating NEMA TYPE 4 on the remote preamplifier thread sealant is required on all conduit entries 2 If an optional lightning protector is being installed connect it to the preamplifier 3 Using the pair of coaxial cables with BNC to flying lead connectors supplied by the factory or equivalent cables connect the preamplifier to terminal block CH1 in the electronics console Refer to Figure 1 10 on page 1 20 for the location of the terminal block and the terminal block pin assignments 4 For a 2 channel Model GS868 flowmeter repeat steps 1 3 to wire the Channel 2 transducer system to terminal block CH2 Note It is not required that Channel 2 of a 2 channel Model GS868 be used This channel may be left inactive for future use After the wiring has been completed the transducer channel s must be activated before measurements can begin See Chapter 2 Initial Setup for instructions Installation 1 9 March 2008 Wiring the 0 4 20 mA Analog Outputs Wiring the Serial Port Wiring the RS232 Interface The standard configuration of the Model GS868 flowmeter includes two isolated 0 4 20 mA analog out
18. 1 to display parameters and measurements in English units or press F2 to display parameters and measurements in Metric units 5 Use the F1 F4 keys to select the type of Pressure Units desired The abbreviations and definitions of all the available pressure units are shown in Table 2 1 below The choices shown on the option bar are determined by the selections made at the previous SYSTEM UNITS prompt Table 2 1 Available Pressure Units English PSla Pounds per square inch absolute BARa bar absolute PSIg Pounds per square inch gage BARg bar gage kPaa kiloPascals absolute kPag kiloPascals gage a If you have entered gage pressure or the local atmospheric pressure PSIg BARg or kPag use the numeric keys to enter the gage pressure value Press ENT 6 At the Stopwatch Totalizer prompt press F1 to totalize all liquid flow continuously or F2 to measure totals manually with the Stopwatch Timer With MNUAL F2 the console key on the keypad is used to start and stop the totalizer See the Programming Manual for details The remainder of the SYSTM submenu is identical for the 1 Channel and 2 Channel versions of the Model GS868 Proceed to the and 2 Channel Meters section to complete the programming of this submenu 2 4 Initial Setup March 2008 A 2 Channel Meter 1 and 2 Channel Meters For the 2 Channel Model GS868 the information entered in the SYSTM submenu
19. 5 464 19 00 483 Figure C 1 Model GS868 Rack Mount Enclosure ref dwg 712 1078 Optional Enclosures March 2008 CH2 TRANSDUCER BNC Description UP Upstream XDCR DN Downstream XDCR CH1 TRANSDUCER BNC Description UP Upstream XDCR DN Downstream XDCR 0 4 20 mA ANALOG OUTPUTS Pin Description 1 Output A SIG 2 Output A RTN 3 Output B SIG 4 Output B RTN NOTE One option card of each available type is shown in this diagram These cards are not always installed in the same slots used for this example ALARM RELAYS Description Relay A Normally Open NO Relay Common C Relay A Normally Closed NC Relay B Normally Open NO Relay B Common C Relay B Normally Closed NC Relay C Normally Open NO Relay C Common C Relay C Normally Closed NC 0 4 20 mA ANALOG OUTPUTS ANALOG OUT Pin Description 1 Output A RTN Output A SIG Output B RTN Output B SIG Output C RTN Output C SIG Output D RTN Output D SIG 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 Th e disconnect device must be marked as such clearly visible directly accessible and located within 1 8 m 6 ft of the Model GS868 Covered Option Card Slot ce MODE SSSR LE a SERIA
20. ES at the SAVE prompt Your programming changes will be entered into the meter s memory and you will be returned to the data display Note See the Programming Manual for instructions on using the SAVE submenu Proceed to Chapter 3 Operation for instructions on taking measurements or refer to the Programming Manual for instructions on programming the Model GS868 s advanced features Initial Setup 2 9 March 2008 2 Channel 1 Channel NOTE Plain text represents prompt area messages and boxed text represents option bar choices FI F2 ra Jr Fx represent function keys to select option bar choices CH1 CH2 osi SAVE Channel PROGRAM status PROGRAM status Fi Fe Y activ SYSTM vo 2 Channel 1 Channel 2 Channel 1 Channe TRANSDUCER NUMBER Channel status TOTALIZER UNITS English Metric CHANNEL LABEL SITE LABEL F SITE MESSAGE SEES F2 Site status Fi Fi F2 FS El F2 F3 CHANNEL MESSAGE SYSTEM UNITS spec orr Burst Burst AcF Kacr mmer ACM KACM MwAcM En SPECIAL TRANSDUCER Ena METAG FREQUENCY F4 Fi F2 F4 Fi F2 Er EE F2 F3 F4 Skan Measure Mode f wscM fi PRESSURE UNITS gt a scr KscF wmscr scm kscm muscm english eni so 200 ok 1 2 L H skan sm VOL DECIMAL DIGITS FI F2 F2 Tw J B L J
21. English Metric Chan 2 Label Pressure Units Chan 2 Message Stopwatch Total Auto Manual 1 Channel and 2 Channel Channel 1 Channel 2 if applicable Gas Equation Standard Gas Equation Standard Actual Vol Units Vol Units Vol Time Units Vol Time Units Vol Dec Digits Vol Dec Digits Totalizer Units Totalizer Units Tot Dec Digits Tot Dec Digits Mass Flow Mass Flow Mass Flow Time Mass Flow Time MDOT Dec Dig MDOT Dec Dig Mass Totalizer Mass Totalizer Mass Dec Dig Channel 1 Pipe Transducer Parameters PIPE Mass Dec Dig Channel 2 if applicable Std Trans Std Trans Spec Trans Spec Trans Spec Trans Hz Spec Trans Hz Spec Trans Tw Spec Trans Tw Note table is continued on next page 2 Data Records March 2008 Channel 1 cont Table B 2 Initial Setup Data Continued Pipe Transducer Parameters cont PIPE Channel 2 cont Pipe O D Pipe O D Pipe Wall Pipe Wall Path Length P Path Length P Axial Length L Axial Length L Fluid Type Fluid Type Other Sndspd Other Sndspd Mass Flow No Mass Flow No Fluid Density Fluid Density Multi K factors Off On Multi K factors Off On Edit Table No ves
22. F KACM Thousands of ACM MMACF Millions of ACF MMACM Millions of ACM Standard Units SCF Standard Cubic Feet SCM Standard Cubic Meters KSCF Thousands of SCF KSCM Thousands of SCM MMSCF Millions of SCF MMSCM Millions of SCM Initial Setup 2 5 March 2008 1 and 2 Channel Meters 3 Use the F1 F4 keys to select the Volumetric Time units for the cont volumetric flow rate display 4 Use the F1 F4 keys to select the Vol Decimal Digits the desired number of digits to the right of the decimal point in the volumetric flow rate display 5 Use the F1 F4 and gt keys to select the Totalizer Units The abbreviations and definitions of all the available volumetric and totalizer units are shown in Table 2 2 on page 2 5 The choices shown on the option bar in the prompt screen above are determined by the selection made at the previous SYSTEM UNITS prompt screen 6 Use the F1 F4 keys to select the Total Decimal Digits the desired number of digits to the right of the decimal point in the totalized flow display 7 Ifthe Static Density prompt in the ADVAN submenu SETUP menu is set to NO the GS868 returns to the initial User Program screen Otherwise proceed as follows a Use the F1 F4 keys to select the Mass Flow units listed in Table 2 3 below Table 2 3 Available Mass Flow Units English Mass Flow Units Metric Mass Flow Units LB Pounds KG Kilo
23. GE Sensing amp Inspection Technologies DigitalFlow GS868 Panametrics Steam Ultrasonic Mass Flowmeter Startup Guide 1 and 2 Channel GE Sensing amp Inspection Technologies DigitalFlow GS868 Panametrics Steam Ultrasonic Mass Flowmeter Startup Guide 1 and 2 Channel 910 190UD1 Morch 2008 The DigitalFlow GS868 is a GE Panametrics product GE Panametrics has joined other GE high technology businesses under a new name GE Sensing amp Inspection Technologies March 2008 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 for 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 warran
24. L 1 16 E Si TOTALIZERIFREQUENCY OUTPUTS Pin Description Pin 1 Output A Common C Output A Normally Open NO Output B Common C Output B Normally Open NO Output C Common C Output C Normally Open NO Output D Common C Output D Normally Open NO 0 4 20 mA ANALOG INPUTS 1 Description Input A 24V Input A INHI Input A INLO Input A RTN Input B 24V Input B INHI Input B INLO Input B RTN RS232 SERIAL PORT DB9 Pin Description 1 No Connection TX Transmit RX Receive DTR Data Terminal Ready RTN Digital Return No Connection No Connection CTS Clear to Send No Connection POWER INPUT Item Description 1 ON OFF Switch Earth Ground Power Cord Fuse RTD INPUTS Description Input A SIG Input A Common C Input A Common C Unused Input B SIG Input B Common C Input B Common C Unused Figure C 2 Model GS868 Rack Mount Enclosure Wiring Diagram Optional Enclosures C4 March 2008 Mounting Holes Handle Ke F1 F2 F3 7 LCD Display Function Keys H 1 J Mounting Holes Handle ll gt CLR HELP EXIT o P a DISP CAL PROG v wei X Ok ao e r Nim eln mhio zo Elio clio z cO o lt SCREEN P LOG Y Main Keypad Console Keys Figure C 3 Model GS868 Rack Mount Enclosure Front Panel Layout Optional Enclosures C 5 Appendix D Measu
25. O a d 3 2 Using the Display ic ra a es AO oes EE 3 3 Taking Measurements 3 5 March 2008 Introduction See Chapter 1 Installation and Chapter 2 Initial Setup to prepare the 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 Note All inputs and outputs of the Model GS868 are calibrated at the factory prior to shipment If it becomes necessary to recalibrate any of the inputs and or outputs see Chapter I Calibration of the Service Manual IWARNING To ensure the safe operation of the Model GS868 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 March 2008 Powering Up Because the Model GS868 does not have an ON OFF switch it will power up as soon as the connected power source is energized Note For compliance with the European Union s Low Voltage Directive 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 GS868 Immediately upon power up the Model GS868 displays the GE logo and the
26. 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 4 shows a block diagram of a typical Model GS868 system including optional pressure and temperature transmitters For detailed instructions on installing the transducers and or spoolpiece refer to the supplied drawings and the GE Gas Transducer Installation Guide for Ultrasonic Flowmeters Installation 1 3 March 2008 Temperature Transmitter Pressure Transmitter Transducer Flowcell Transducer Electronics Console Figure 1 1 A Typical Model GS868 System 1 4 Installation March 2008 Installing Temperature Optional temperature and pressure transmitters may be installed as qnd Pressure part of the flowcell near the ultrasonic transducer ports Be sure to Transmitters observe the siting requirements given earlier in this chapter These transmitters must use a 0 4 20 mA signal to transmit the temperature and pressure values to the Model GS868 electronics console In turn the electronics console will provide a 24 VDC signal to power the transmitters Any desired transmitters or sensors may 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
27. able Measurements 3 7 Communications 3 7 Frequency 2 7 Function Keys 3 4 Fuse Ratings 4 2 Initial Setup Data LEE B 2 Minimum Required 2 1 Input Voltage 1 7 Internal Tests lise dia e 3 2 Index 1 March 2008 Index cont L Lightning Protector Connecting 1 9 Locator Bar 3 3 IND Shroud et Aen 1 6 EVD Statement 1 2 M Mass Flow Units Available Options 2 6 Setting dei uyu Lt ae eae etait 2 6 Measurements Displaying 3 2 3 5 Parameter Options 3 6 A ea e A EE a a 3 2 3 5 Measurements Foundation Fieldbus 3 7 MODBUS TCP Wiring the 1 12 O Option Bar a sus evene a 3 3 Option Card E EE ae Let af us 1 14 Analog Inputs 1 15 Analog Outputs 1 17 RID Inputs 322 oh Whe ea es 1 17 Setup Information Table B 1 Totalizer Frequency Outputs 1 16 P Parameter Options 3 6 Password 2 2 Path Length 2 8 D 1 Pipe OD i bb deed nalen 2 7 Available Units 2 7 Pipe OD Programming 2 7 PIPE Submenu 2 7 Pipe Wall css ennemis 2 8 Pip
28. ack proceed to the next section for instructions on wiring the meter Rack Mount Wiring The rack mount Model GS868 requires exactly the same electrical connections as the standard version However the locations and type of connectors used for the various components are different Refer to Figure C 2 on page C 4 and complete the following steps 1 Wire the power input on the right side of the rear panel as follows a Make sure a fuse item 4 of the proper size and type is installed b Connect the female end of the line cord provided to the power input receptacle item 3 c Connect the earth ground screw terminal item 2 to a ground point on the rack 2 Wire the transducers as follows a Connect the pair of cables supplied with the meter to the Channel 1 upstream and downstream BNC transducer connectors on the left side of the rear panel b For a 2 Channel meter repeat the above step for the Channel 2 transducer connectors if the second channel is to be used c Complete the transducer wiring in accordance with the instructions in Chapter 1 Installation of this manual Optional Enclosures C 1 March 2008 Rack Mount Wiring cont Rack Mount Front Panel 3 Wire the 0 4 20 mA analog outputs at the left side of the rear panel in accordance with the instructions in Chapter 1 Installation of this manual 4 Wire the RS232 serial port by completing the following steps a Purchase or prepare a su
29. al ground connection Making the Electrical ATTENTION EUROPEAN CUSTOMERS Connections To meet CE Mark requirements all cables must be installed as described in Appendix A CE Mark Compliance This section contains instructions for making all the necessary electrical connections to the Model GS868 flowmeter Refer to Figure 1 10 on page 1 20 for a complete wiring diagram of the unit IMPORTANT For meters supplied in one of the optional enclosure styles refer to Appendix C Optional Enclosures for the appropriate wiring diagram and specific wiring instructions Except for the power connector all electrical connectors are stored in their terminal blocks during shipment and may be removed from the enclosure for more convenient wiring Feed the cables through the conduit holes on the bottom of the enclosure attach the wires to the appropriate connectors and plug the connectors back into their terminal blocks Note For compliance with the European Union s Low Voltage Directive 73 23 EEC a transparent plastic shroud protects the electrical connections The shroud must remain in place except while wiring the unit Reinstall the shroud after the wiring has been completed Once the Model GS868 is completely wired proceed to Chapter 2 Initial Setup to configure the unit for operation 1 6 Installation March 2008 Wiring the Line Power ATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installe
30. ar Figure 3 2 Display Screen Components Both panes of the display screen are continuously updated but only one pane at a time may be programmed or changed To select a pane press the corresponding side of the SCREEN key on the keypad The currently selected screen pane will have function names in the option bar while the other screen pane will have a blank option bar See the Programming Manual for detailed instructions on using the keypad As shown in Figure 3 2 on page 3 3 each pane of the display screen is divided into the following three general areas the locator bar the prompt area the option bar The upper portion of the screen pane is called the locator bar While the meter is taking measurements the locator bar displays the name of the currently selected site file In addition the locator bar identifies the task that is currently being performed and the status of that task For example pressing the PROG key on the keypad will cause the locator bar to display PROGRAM and Start to indicate that the meter is ready to be programmed from the start of the User Program Operation 3 3 March 2008 Using the Display cont At various times one or more of the following four symbols may be displayed on the far right of the locator bar y This symbol which is called the pointer indicates that additional option bar entries are available These options can be accessed by using the
31. d as described in Appendix A CE Mark Compliance The Model GS868 may be ordered for operation with power inputs of 100 120 VAC 220 240 VAC or 12 28 VDC The label on the shroud inside the electronics enclosure just above the TB1 line power terminal block lists the required line voltage and the fuse rating for the unit the fuse rating is also listed in Chapter 4 Specifications Be sure to connect the meter only to the specified line voltage 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 directly accessible and located within 1 8 m 6 ft of the Model GS868 Refer to Figure 1 3 on page 1 8 or Figure 1 10 on page 1 20 to locate terminal block TB1 and connect the line power as follows WARNING Improper connection of the line power leads or connecting the meter to the incorrect line voltage will damage the unit It will also result in hazardous voltages at the flowcell and associated piping and within the electronics console Installation 1 7 March 2008 Wiring the Line Power 1 Remove the plastic shroud that covers the terminal blocks Be sure cont to reinstall the shroud after all of the wiring has been completed 2 Strip 4 of insulation from the end of the power and neutral or line leads or the positive and negative DC powe
32. d provides two direct RTD inputs designated as A and B The standard Model GS868 has at least one RTD inputs option card which is used to supply the live temperature reading required for accurate mass flow calculations Each RTD input requires three wires which should be fed through one of the conduit holes on the bottom of the electronic console Wire this terminal block in accordance with the pin number assignments shown in Figure 1 10 on page 1 20 The Model GS868 flowmeter can accommodate up to 4 analog outputs option cards Each analog outputs option card includes four isolated 0 4 20 mA outputs designated as A B C and D Connections to these outputs may be made with standard twisted pair wiring The total current loop impedance for these circuits must not exceed 1000 ohms Wire this terminal block in accordance with the pin number assignments shown in Figure 1 10 on page 1 20 Installation March 2008 1 40 36 90 38 10 4 Places F ar 8 00 203 r 0 13 3 4 Places 2 69 68 a m 129 11 37 289 eo 273 3 4 Conduit Plate 91 10 28 6 Places Figure 1 9 Model GS868 Type 4X Enclosure ref dwg 425 208 1 2 Conduit Plate d T 7 1 54 39 agi 13089 165 42 5 E 1 77 45 226 57 _ 226 57 L 1 20 80 90 88 22 10 Places Installation 1 19 March 2008 RS232 SERIAL PORT RS485 PORT MODBUS Description Pin Descriptio
33. ded using a cable gland For CE Mark compliance the electronics enclosure and the transducer fixture must each have an external ground wire attached Note Ifthe Model GS868 is wired as described in this appendix the unit will comply with the EMC Directive 89 336 EEC CE Mark Compliance A 1 Appendix B Data Records Option Cards Installed Initial Setup Data March 2008 Option Cards Installed Whenever an option card is installed in one of the Model GS868 s expansion slots record the type of card and any additional setup information in the appropriate row of Table B 1 below Table B 1 Option Cards Installed Type of Option Card Additional Setup Information Analog Outputs A B Data Records B 1 March 2008 Initial Setup Data Model After the Model GS868 flowmeter has been installed some initial setup data must be entered via the User Program prior to operation Record that information in Table B 2 below Table B 2 Initial Setup Data General Information Reference Software Vers Date Serial Channel 1 Z Dimension Measurement Method ACTIV Channel 2 Channel Status Off Channel Status Off Measure Mode Skan 1 Channel Measure Mode Skan System Parameters SYSTEM 2 Channel Site Label Chan 1 Label Site Message Chan 1 Message System Units
34. ducer Connections 1 5 in 300 Ib flange for T9 transducer 1 5 in 150 2 500 Ib flange for BWT transducers Process Connections N A Transducer Connection PanaPort cold tap kit Optional ANSI flanged 150 to 300 Outside Diameter OD 2 to 48 in 50 to 1200 mm Materials All metals Consult GE for other materials Specifications 4 5 Appendix A CE Mark Compliance IO UCA an uay aluseta ir WIND a A A ee E External Grounding A ER eee March 2008 Introduction For CE Mark compliance the Model GS868 flowmeter must be wired in accordance with the instructions in this appendix IMPORTANT Wiring CE Mark compliance is required only for units intended for use in EEC countries The Model GS868 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 Transducer Table A 1 Wiring Modifications RG62 a u Termination Modification Add metallic cable clamp from braid to chassis ground Armored RG62 a u or conduit None grounded using a cable gland Input Output 22 AWG Shielded e g Baystate 78 1197 Terminate shield to chassis ground Armored conduit None grounded using a cable gland External Grounding 14 AWG 3 conductor Shielded e g Belden 19364 An external ground to the chassis is required Armored Conduit None groun
35. e Wall Programming 2 8 Pointer eg RES ein ET RS 3 3 Power Connecting 1 7 Terminal Block 1 7 Powering Up Display ss teg See mala bodie 3 2 Internal Checks 3 2 Preamplifier Connecting 1 9 Pressure Transmitter Installing cagare Adres es LA 1 5 Location israele menant 1 3 Prompt Area 3 3 R Rack Mount Front Panel C 2 Installation C 1 A oo e E E C 1 Reynolds Correction 2 8 RS232 Port See Serial Port RTD Inputs Option Card Connecting 1 17 RTD Temperature Transmitter 1 5 2 Index March 2008 Index cont S Screen Selecting 3 3 Security Feature 2 2 Serial Port Cable u ANR dade Lai 1 10 Connecting 1 10 Pin Assignments 1 10 Shroud EVD neos eni iii 1 6 Plastie m ssa ni Ala ED 1 6 Site Labels cios 2er 2 4 Site Messages sen 2 4 Slot 0 See Analog Outputs Slot 0 Special Transducer 2 7 Specifications Electrical moco di its 4 2 Bloweell nasse tanya ia 4 5 G n ral xs en er 4 1 Operational 4 4 Transducef ze Sen ar 4 4 Symbols Locator Bar 3 4 SYSTM Submenu 2 4 for 1 Channel Meter
36. eam RTN the electrical connections The shroud must remain in place Connection Downstream RTNC except while wiring the unit Reinstall the shroud after the A N wiring has been completed t E x N Downstream SIG Plastic LVD Shroud ALARM RELAYS S Description 0 4 20 mA ANALOG OUTPUTS 0 4 20 mA ANALOG INPUTS TOTALIZER FREQUENCY OUTPUTS RTD INPUTS Relay A Normally Open NO Pin Description Pin Description Pin Description Description Relay A Common C 1 Output A RTN 1 Input A 24V 1 Output A Common C Input SIG Relay Normally Closed NC Output A SIG Input INHI Output Normally Open NO Input A Common C Relay B Normally Open NO Output B RTN Input A INLO Output B Common C Input A Common C Relay B Common C Output B SIG Input RTN Output B Normally Open NO Unused One option card of each Relay B Normally Closed NC Output C RTN Input B 24V Output C Common C Input B SIG decia se oe Relay C Normally Open NO Output C SIG Input B INHI Output C Normally Open NO Input B Common C always installed in the same Relay C Common C Output D RTN Input B INLO Output D Common C Input B Common C slot Used for this example Relay C Normally Closed NC Output D SIG Input B RTN Output D Normally Open NO Unused Figure 1 10 Model GS868 Electronics Console Wiring ref dwg 702 213 sht 1 of 2 NOTE
37. ements all cables must be installed as described in Appendix A CE Mark Compliance Carefully remove the electronics console 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 is all too common If anything is missing or damaged contact the factory immediately for assistance Installation 1 1 March 2008 Site Considerations Electronics Console Location Flowcell Location Transducer Location Because the relative physical locations of the flowcell and the Model GS868 electronics console are important use the guidelines given in this section to plan the Model GS868 system installation The standard Model GS868 electronics enclosure is a Type 4X weather resistant dust tight indoor outdoor type Typically the electronics console is mounted in a meter shed When choosing a mounting site make sure that the location permits easy access to the console for programming testing and servicing 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 GS868 The pipeline flowcell consi
38. et de ea Da e led o aa 1 1 Wa 51518 3 AAA A EHS 1 1 Ste Considero a tai EE EEN 1 2 Electronics Console Loc iii 1 2 Klee ell GE renner EE e rd 1 2 Transduc r EE e ee a io Nr rio MED 1 2 CAS EE 1 3 Temperature and Pressure Tronsmitters 1 3 el let 1 3 Installag Md 0117 EE 1 3 Installing Temperature and Pressure Transmitters 1 5 Mounting the GS868 Electronic Console en en ia 1 6 Making the Electrical Connections EE 1 6 e ee CET 1 7 Wiring Ree Tee 1 9 Wiring the 0 4 20 mA Analog Outputs 1 10 tele TRS SOE GP ONE EE 1 10 Wiring an Alarms PIO Card rn x Sep athletic tio deed n res 1 14 Wiring a 0 4 20 mA Analog Inputs Option Card 1 15 Wiring a Totalizer Frequency Outputs Option Card 1 16 Wiring am RTD Inputs Option Card aga qa ANT als de AST EIS UIS 1 17 Wiring a 0 4 20 mA Analog Outputs Option Con 1 17 Chapter 2 Initial Setup MEU 4 ge dotati itte ae uy atu n SE e e eeu ci 2 1 Navigating Through the User Program Sou Ins eo e Sae sn eid 2 1 Accessing the User Progra E or a eet m cw pere dro d es 2 2 AG vano Ee BR e elei 2 3 Tele 2 3 ER eel Tt IAM nen eg ARA E ON 2 3 1 and 2 Ch nnel Meteis an nd ete eee ep Ub TED CR HC ROT ES 2 3 Entering System Data for a Channel ce Heel 2 4 Ad Channel Meters usus eh come ha
39. for measuring the temperature Typically a 1 2 or 3 4 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 IMPORTANT Under changing temperature and pressure conditions the Model GS868 can calculate accurate steam density and mass flow only if temperature and pressure transmitters have been installed Figure 1 2 below shows a typical mounting arrangement for the pressure and temperature transmitters The temperature sensor should protrude 1 4 to 1 2 way into the pipe Temperature Transmitter Pressure Transmitter Isolation Valve Thermowell N Coupling Flowcell Wall Figure 1 2 Typical Temperature Pressure Transmitter Mounting Installation 1 5 March 2008 Mounting the GS868 The standard model GS868 electronics package is housed in a Type Electronic Console 4X weather resistant enclosure Refer to Figure 1 9 on page 1 19 for the mounting dimensions of this enclosure IMPORTANT Formeters supplied in one of the optional enclosure styles refer to Appendix C Optional Enclosures for specific mounting dimensions and instructions IWARNING Proper grounding of the GS868 chassis is required to prevent the possibility of electric shock See Figure 1 10 on page 1 20 to locate the intern
40. for the Model GS868 flowmeter are divided into the following categories Input Options 110 to 120 VAC 50 60 Hz with 1 0 A Slo Blo Fuse 220 to 240 VAC 50 60 Hz with 0 5 A Slo Blo Fuse 12 to 28 VDC with 3 0 A Slo Blo Fuse 20 W maximum Transit time flow measurement for gas transducers This unit complies with EMC Directive 89 336 EEC and 73 23 EEC Low Voltage Directive Installation Category II Pollution Degree 2 and PED 97 23 EC for DN 25 Keypad 39 key membrane keypad with tactile feedback Display Both single and dual channel models have a software configurable 64 x 128 pixel LCD graphic display divided into two display areas panes Digital Interfaces Standard RS232 Optional RS485 multiuser Optional MODBUS protocol Optional Ethernet TCP IP Optional MODBUS TCP IP Ethernet Analog Input Options Select up to 2 boards of one of the following types 1 Transmitter Input Board with two isolated 0 4 20 mA inputs and 24 V loop power 2 RTD Input Board with two isolated 3 wire RTD inputs Span 148 to 662 F 100 to 350 C Inputs of the following types may be used 4 2 Specifications March 2008 Input Output Specifications cont Analog Input Options cont a Temp from 200 to 1 000 C b Pressure from 0 3000 psig 0 to 500 bar c Steam quality from 0 0 to 1 0 Analog Output Options All meters come with two isolated 0 4 20 mA current outputs
41. grams KLB Thousands of Pounds MMLB Millions of Pounds TONS Tons Tonnes Metric Tons b Use the F1 F4 keys to select the Mass Flow Time units C Use the F1 F4 keys to select the MDOT DECIMAL DIGITS the number of digits to the right of the decimal point for displaying mass flow d Use the F1 F4 keys to select the Mass Totalizer units listed in Table 2 3 above e Use the F1 F4 to specify the Mass Decimal Digits the number of digits to the right of the decimal point for displaying totalized mass flow The meter returns to the initial User or Channel Program screen 2 6 Initial Setup March 2008 Entering Pipe Data Transducer Number Pipe OD The PIPE submenu permits entry of the transducer and pipe specifications To program this menu complete the following steps 1 Atthe User or Channel Program screen press F3 to program the PIPE submenu 2 Enter the Transducer Number normally engraved on the head of the transducer Press ENT If there is no engraved number complete the steps below Otherwise proceed to step 3 IMPORTANT Special transducers which have no engraved number on the head are rarely used Examine the transducer head carefully for a number a Assign a number between 91 and 99 to the Special Transducer and press ENT The meter will only accept values from 1 to 199 b Use the gt and F1 F4 keys to select the Frequency of the
42. itable serial cable This cable should have a standard female DB9 connector wired as shown in Figure C 2 on page C 4 for connection to the rear panel of the Model GS868 The other end should be as required for the external device b Complete the serial port wiring in accordance with the instructions in Chapter 1 Installation of this manual 5 Wire any installed option cards using the same procedures described in Chapter 1 Installation of this manual and the pin assignments shown in Figure C 2 on page C 4 Note The pins on the option card connectors are numbered from pin 1 on the top to pin 8 or 9 on the bottom 6 Place the power switch item 1 in the ON position The Model GS868 is now completely wired Proceed to Chapter 2 Initial Setup of this manual for further instructions The keypad and LCD display for the rack mount Model GS868 are located on the front panel These items are identical in form and function to those used on the standard Type 4X enclosure but the layout is somewhat different Refer to Figure C 3 on page C 5 for the front panel layout of the rack mount Model GS868 and follow the standard procedures detailed in the main body of this manual C 2 Optional Enclosures March 2008 4 19 106 14 83 377 16 99 432 3 31 84 15 70 399 IMA TAG 2 25 57 i i GS868 5 22 133 18 2
43. king Measurements The Model GS868 is capable of displaying several different variables in a variety of formats However this manual will only discuss the basic measurement displays in the default screen format Refer to the Programming Manual for instructions on setting up alternate screen displays and see the Service Manual for a discussion of the diagnostic parameters listed under the DIAG option Note This section assumes that the left pane of the display screen is currently active However the same instructions apply equally to the right screen pane when it is active Just change the function keys from F1 F4 to F5 F8 For a 2 channel Model GS868 the following initial screen appears immediately upon completion of the internal checks As an example the display shows the measured velocity in ft sec for Channel 1 Ch1 Channel Label PSI To select a different channel Ch1 Velocity Ft s display option press F1 F4 or gt and F1 See Table 3 1 6 i 9 b below for a complete description of the available options error codes appear here cH1 ESTA KUN DIF Table 3 1 Channel Display Options Option Bar Choice F1 CH1 Channel 1 F2 CH2 Channel 2 F3 SUM Channel 1 Channel 2 F4 DIF Channel 1 Channel 2 gt F1 AvE Channel 1 Channel 2 2 The following screen appears after selection of the channel mode display option for a 2 channel Model GS868 or immediate
44. lt and gt keys e A flashing asterisk indicates that the Model GS868 is currently logging information See the Programming Manual for instructions on creating a log file SorS This symbol indicates the status of the red SHIFT key S indicates that the SHIFT key is activated for the next keystroke only while S indicates that the SHIFT key is locked See the next section for instructions on using the keypad T This symbol indicates that the Model GS868 is currently totalizing data The middle portion of the screen pane is the prompt area This area displays data graphs and logs in measurement mode and menu prompts in programming mode In addition error code messages which are described in the Service Manual are displayed in the prompt area The lower portion of the screen pane is called the option bar The option bar displays the functions assigned to the four keys immediately below the display screen F1 F4 for the left pane and F5 F8 for the right pane Press a function key to select the function listed in the option bar immediately above it If more than four functions are available a pointer gt appears on the far right of the locator bar Press the lt or gt keys to display the additional functions on the option bar For information about other symbols and text that may appear on the display screen refer to the Service Manual 3 4 Operation March 2008 Ta
45. ly after the internal checks for a 1 channel Model GS868 Ch1 label Use the F1 F4 lt and gt Ch1 Velocity Ft s keys to select the desired display parameter option Refer to 6 9 b Table 3 2 on page 3 6 for a i complete description of the error codes appear here available options E SUI Bou Bos Operation 3 5 March 2008 Taking Measurements Note CAI or Ch2 which is shown in parentheses above appears cont only with a 2 Channel Model GS868 Table 3 2 Measurement Parameter Options Option Bar Choice F1 VEL Flow Velocity F2 VOLUM Volumetric Flow F3 TOTL Forward Totalized Volume Flow F4 TOTL Reverse Totalized Volume Flow gt F1 TIME Total Flow Measurement Time gt F2 MDOT Mass Flow gt F3 MASS Forward Totalized Mass Flow gt F4 MASS Reverse Totalized Mass Flow gt gt F1 DIAG Diagnostic The DIAG option listed in Table 3 2 above provides access to a wide variety of diagnostics parameters See Chapter 3 Diagnostics of the Service Manual for a complete description of these options By following the instructions in this section the Model GS868 can be set up to display the desired channel option for a 2 Channel meter and the desired measurement parameter To utilize the more advanced display capabilities of the Model GS868 refer to the Programming Manual and or the Service Manual for the instrume
46. me that the transducer installation angle is known to be 45 and the L distance is measured to be 10 00 inches Then the P distance is calculated to be P 10 00 0 707 14 14 inches With a Bias 90 transducer installation it sometimes happens that the only known parameters are the transducer angle 0 and the centerline distance between the transducer bodies CL In these cases it is still possible to calculate P and L by combining Equation D 1 above with the additional Equation D 2 below see Figure D 1 on page D 2 P CL 1 2 3 2 Standard GE 90 transducers have the face offset from the centerline of the body by 0 6 inches Thus a pair of transducers has a total offset of 1 2 inches as indicated in Equation D 2 above For example suppose that the transducer installation angle is 30 and CL is measured to be 12 00 inches Then P 12 00 1 2 10 80 inches and L 10 80 x 0 866 9 35 inches Measuring P and L Dimensions D 1 March 2008 180 Installation Pipe Thickness NN 7 gt S 7 Bias 90 Installation Figure D 1 Top View of Transducer Installations D 2 Measuring P and L Dimensions March 2008 Index A D Abbreviations Volumetric Units 25 Display ACTIV Submenu 2 3 Channel Mode Options 3 5 Alarms Option Card Components 3 3 Connecting iii sets 1 14 Data ie MES 3 2 Fail Safe Operation
47. n RTN Digital Return TMT TX Transmit TMT RX Receive Unused DTR Data Terminal Ready Unused CTS Clear to Send Unused E WARNING CH2 TRANSDUCER REMOVING FOSE Pin Description 1 Upstream SIG Upstream RTN An ween moon Torraca Downstream RTN For compliance with the European Union s Low Voltage 6 N 54 vo Pi Downstream SIG Directive 73 23 EEC this unit reguires an external power IS co i disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible N 2h directly accessible and located within 1 8 m 6 ft of the i 0 4 20 mA ANALOG OUTPUTS Model DF868 1 Y Pin Description AREE 1 Output A SIG x tue BI TB1 POWER INPUT TB1 POWER INPUT TB1 POWER INPUT eme E 8 R Output A RTN 12 28 VDC 100 or 120 VAC 220 or 240 VAC 1 Li Output B SIG Pin Description Pin Description Pin Description gt Output B RTN PC Board 1 G Earth Ground 1 G Earth Ground 1 G Earth Ground Ground Wire 2 Negative 2 N Line Neutral 2 L2 Line Power J 5 amp EL Test Points 3 Positive 3 L1 Line Power 3 L1 Line Power CH1 TRANSDUCER Cover Pin Description Ground Wire S NOTE For compliance with the European Union s Low Voltage P S Upstream SIG Directive 73 23 EEC a transparent plastic shroud protects Internal Ground i Upstr
48. nction key and proceed to Activating a Channel section on page 2 3 for instructions For a 2 Channel Model GS868 the following two step sequence is required to reach the initial programming screen Press F1 or F2 to select the submenu for Channel 1 or Channel 2 respectively from the option bar cH1 KEN E save PROGR At the User Program screen shown press the F1 function key and proceed to Activating a Channel section on page 2 3 for instructions Rana SSU EG is Only the submenus ACTIV SYSTM and PIPE are discussed in this manual Refer to the Programming Manual for information on the other submenus Note In this manual only the programming of Channel 1 will be described To program Channel 2 simply repeat the same procedures presented for Channel 1 Initial Setup March 2008 Activating q Channel 1 Channel Meter 2 Channel Meter 1 and 2 Channel Meters The ACTIV submenu permits selection of the desired measurement method In addition it is used to activate deactivate one or both of the channels in a 2 Channel Model GS868 1 Enter the ACTIV submenu by pressing F1 at the User PROGRAM prompt 2 Press F1 to activate the channel in BURST mode 1 Enter the ACTIV submenu by pressing F1 at the Channel PROGRAM prompt 2 Press F1 OFF to deactivate the channel and return to the Channel PROGRAM prompt or press F2 to activate the channel in BURST mode 3 Press
49. nt 3 6 Operation March 2008 Foundation Fieldbus Foundation Fieldbus provides a means of communicating with the Communications flowmeter The patent numbers which apply are 5 909 363 and 6 424 872 This Foundation Fieldbus device supports 2 Analog Input AD blocks which can be configured to supply the following measurements on the network see Table 3 3 below Table 3 3 Available Measurements Using a Foundation Fieldbus Device Channel 1 Units Channel 1 Units Channel 1 Units Ch1 Velocity ft s or m s Ch1 Mass Flow Ch1 SSUP none Ch1 Act Volumetric VOL_U Ch1 Fwd Mass Totals Ch1 SSDN none Ch1 Std Volumetric VOL_U Ch1 Rev Mass Totals Ch1 Sound Speed ft s or m s Ch1 Fwd Totals TOT_U Ch1 Mass Tot Digits Ch1 Density see note Ch1 Rev Totals TOT_U Ch1 Timer Ch1 Temperature Deg F or C Ch1 Tot Digits none Ch1 Error Code Ch1 Pressure PRESS U Metric or English units are determined by the setup of the flowmeter Totalizer digits are available for informational purposes only Respective totals are automatically scaled by the Tot Digits value selected in the flowmeter setup If the meter is outputting Mole Weight the unit is mw otherwise it is the programmed pressure unit VOL_U TOT_U MASS_U MTOT_U and PRESS_U are determined by the units chosen for these measure ments in the flowmeter setup See the instrument User s Manual for the setup of these parameters Operation 3 7
50. oduction ss en a 1 1 UNPGCKING a a ea 1 1 Site Considerations ss A 1 2 Installing a Flowc ll nee er siert 1 3 Installing Temperature and Pressure Transmitters 1 5 Mounting the GS868 Electronic Console 1 6 Making the Electrical Connections 1 6 March 2008 Introduction Unpacking To ensure safe and reliable operation of the Model GS868 Steam Ultrasonic Mass Flowmeter the system must be installed in accordance with the guidelines established by GE s engineers Those guidelines which are explained in detail in this chapter include the following specific topics Unpacking the Model GS868 system Selecting a suitable site for the electronics console and the flowcell transducers Installing a flowcell Installing temperature and pressure transmitters Installing the Electronics Console Wiring the Electronics Console WARNING The Model GS868 flowmeter can measure the flow rate of many gases some of which are potentially hazardous In such cases 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 gases or flow conditions Consult company safety personnel or local safety authorities to verify the safety of any procedure or practice ATTENTION EUROPEAN CUSTOMERS To meet CE Mark requir
51. ous Unmonitored Operation e EN 61010 1 1993 A2 1995 Overvoltage Category II Pollution Degree 2 gem den Europ ischen Richtlinien Niederspannungsrichtlinie Nr 73 23 EG und EMV Richtlinie Nr 89 336 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 lt 25 geliefert werden Shannon June 1 2002 po LAS Mr James Gibson GENERALDIREKTOR CE e L EN 1809002 TUV ESSEN Shannon ISO 9001 U S CERT DOC H4 August 2004 USA 1100 Technology Pork Drive Billerica MA 01821 4111 Web www gesensing com Ireland Sensing House Shannon Free Zone East Shannon County Clare Ireland
52. pertains only to the currently selected channel 1 Atthe User Program screen shown press the F2 function key to program the SYSTM submenu 2 Enter a Channel Label of up to 9 characters Press ENT 3 Enter a Channel Message of up to 21 characters Press ENT Note For the 2 Channel Model GS868 the System Units Pressure Units and Stopwatch Totalizer prompts which are not required to make the unit operational are located in the GLOBL submenu See the Programming Manual for details The remainder of the SYSTM submenu is identical for the 1 Channel and 2 Channel versions of the Model GS868 Proceed to the and 2 Channel Meters section below to complete the programming of this submenu 1 At the Equation prompt press F1 to display the measurement data in standard volumetric units or press F2 to display the measurement data in actual volumetric units The GS868 uses the appropriate gas equation to calculate the flow rate in the volumetric units indicated 2 Use the F1 F4 and gt keys to select the desired Volumetric Units for the flow rate display The abbreviations and definitions of all the available volumetric and totalizer units are shown in Table 2 2 below The choices shown on the option bar are determined by the selection made at the previous SYSTEM UNITS screen Table 2 2 Available Volumetric Totalizer Units English Actual Units ACF Actuql Cubic Feet ACM Actuql Cubic Meters KACF Thousands of AC
53. puts designated as A and B Connections to these outputs may be made with standard twisted pair wiring The current loop impedance for these circuits must not exceed 550 ohms Refer to Figure 1 10 on page 1 20 for the location of terminal block I O and wire the terminal block as shown The Model GS868 is equipped with a 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 EJA RS Serial Communications Manual 916 054 The RS232 communications port provides a serial interface for connecting the Model GS868 flowmeter to a printer an ANSI terminal or a personal computer The RS232 serial interface is wired as Data Terminal Equipment DTE and the signals available at the Model GS868 RS232 terminal block are shown in Table 1 1 below Refer to Figure 1 8 on page 1 16 to locate terminal block RS232 and complete the following steps to wire the terminal 1 Use the information in Table 1 1 below to construct a suitable cable for connecting the Model GS868 to the external device If desired an appropriate cable may be purchased from GE Table 1 1 RS232 Connection to DCE or DTE Device Signal Description RTN Return TX Transmit RX Receive DTR Data Terminal Ready CTS Clear to Send 2 Wire the flying
54. r leads and 1 2 from the end of the ground lead 3 Connect the ground lead to the internal ground connection located on the side panel of the inclosure see Figure 1 3 below IMPORTANT The incoming ground lead must be connected to the internal ground connection amp Connect the neutral or line lead or the negative DC power lead to TB1 2 and the line power lead or the positive DC power lead to TB1 3 as shown in Figure 1 3 below IMPORTANT Do not remove the existing PC board ground wire or the cover ground wire G DC G N L2L1 AC PC Board A AR Ground Wire N gt 2 TB1 Cover Ground Wire AC Line Power or DC Internal Ground L i AC Neutral Line Connection or DC Figure 1 3 Wiring the Line Power 1 8 Installation March 2008 Wiring the Tronsducers ATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix A CE Mark Compliance Wiring a typical Model GS868 ultrasonic natural gas flowmeter system requires interconnection of the following components a pair of transducers per channel mounted in the flowcell apreamplifier for each channel alightning protector optional the electronics console To wire the transducers complete the following steps IWARNING Before connecting the transducers take them to a safe area and discharge any static buildup by
55. reland declare under our sole responsibility thot the DF868 Liquid Ultrasonic Flowmeter GF868 Flare Gas Ultrasonic Flowmeter GM868 Multi Purpose Gas Ultrasonic Flowmeter GN868 Natural Gas Ultrasonic Flowmeter GS868 Steam Mass Ultrasonic Flowmeter to which this declaration relates are in conformity with the following standards EN 61326 1998 Class A Annex A Continuous Unmonitored Operation EN 61010 1 1993 A2 1995 Overvoltage Category II Pollution Degree 2 following the provisions of the 89 336 EEC EMC Directive and the 73 23 EEC Low Voltage Directive The units listed above and 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 lt 25 Shannon June 1 2002 hs Le Mr James Gibson GENERAL MANAGER CE e L EN 1809002 T V ESSEN Shannon ISO 9001 U S 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 DF868 Liquid Ultrasonic Flowmeter GF868 Flare Gas Ultrasonic Flowmeter GM868 Multi Purpose Gas Ultrasonic Flowmeter GN868 Natural Gas Ultrasonic Flowmeter GS868 Steam
56. ring P and L Dimensions INTRODUCTIONS TEE Meusurtrig P and E cessere eR ae March 2008 Introduction Measuring P and L When programming the PIPE menu of the Model GS868 s User Program the path length P and the axial dimension L must be entered These parameters are determined by measurements on the actual transducer installation with P equal to the face to face distance between the transducers and L equal to the axial distance between the centers of the transducer faces The accuracy of the programmed P and L values is critical to precise flow rate measurements If the factory supplies the flowcell for the system the correct values will be included in the documentation supplied with the unit For transducers installed on an existing pipe see Figure D 1 on page D 2 P and L must be measured at the site This appendix provides instructions for properly determining these dimensions Whenever possible physically measure the face to face distance P and the axial distance L between the centers of the flat faces of the transducers Refer to Figure D 1 on page D 2 for an illustration of the proper distances to measure in a typical installation In some situations only one of the required distances can be directly measured When this happens a knowledge of the installation angle 9 of the transducers permits the second distance to be calculated from Equation D 1 below L 1 cos P 3 1 As an example assu
57. rmetically sealed for Class I Division 2 hazardous areas The maximum electrical ratings for the relays are listed in Chapter 4 Specifications Each of the three alarm relays can be wired either as 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 6 below for the operation of a NO alarm relay in both conventional and fail safe mode Connect the two wires required for each alarm relay in accordance with the pin number assignments shown in Figure 1 10 on page 1 20 Conventional not triggered aT l Monitoring Device Conventional triggered aaa NO Alarm C Monitoring Device Fail Safe not triggered FNV Monitoring Device Fail Safe triggered or power failure rea NO c Alarm Monitoring Device Figure 1 6 Conventional and Fail Safe Operation 1 14 Installation March 2008 Wiring a 0 4 20 mA Analog Inputs Option Card To calculate the standard mass flow rates of the steam the Model GS868 requires accurate temperature and pressure data from the measurement site Transmitters installed in the flowcell can provide this information via an optional 0 4 20 mA analog inputs card This option card includes two isolated 0 4 20 mA analog inp
58. rrection factor is a number based on the kinematic viscosity and flow rate of the gas At the prompt press F1 to turn Reynolds Correction off or F2 to turn it on a If you select Reynolds Correction the GC868 asks for the Kinematic Viscosity of the gas available in the brochure Sound Speeds and Pipe Size Data 914 004 Use the numeric keys to enter the desired value and press ENT 9 Enter a value for the flow Calibration Factor and press ENT The default value is 1 00 The meter will only accept values from 0 5000 to 2 0000 The meter will exit the PIPE submenu and return to the initial User or Channel Program screen 2 8 Initial Setup March 2008 Procedure Options After completing the above steps the meter returns to the User or Chonnel PROGRAM prompt Continue as follows To continue programming the meter refer to the menu maps in Appendix A of the Programming Manual and navigate to the desired menu Then proceed to the appropriate section of the manual for instructions To leave the User Program and retain the previous settings press EXIT once for a 1 channel GS868 or twice for a 2 channel GS868 and then press F1 NO at the SAVE prompt Any programming changes will be discarded and you will be returned to the data display To leave the User Program and return to measurement mode press EXIT once for a 1 channel GS868 or twice for a 2 channel GS868 and then press F2 Y
59. s de soma ses aidants sh ea nra asnus ost 2 4 A2sChannel Meter avena ss E LUE Sa UT ATTA ESINE 2 5 T and AAA Me EE 2 5 Entering Blpe Ddtd siu s e de Eeer A EON esas 2 7 Dealer ie El TE 2 7 lee 2 7 Pipe EE 2 8 Path e Let as deseo ci ean at aqasha amam pauli q asas co taka kuqa ala S aaa a os quce dee 2 8 EE e E E EEN ad 2 8 A atrio E 2 8 Reynolds Correction EE 2 8 ENEE de Ee 2 8 March 2008 a Toble of Contents cont Chapter 3 Operation NOC MICH OMA rjc sorte ere ts A EDO NO 3 1 POWERING OJA EE 3 2 Using the DIS e 3 3 Taking MSds ufe EE 3 5 Foundation Fieldbus Communications eh ius Leuten ra ela 3 7 Chapter 4 Specifications Ee EE 4 1 PISCE CCl sr EE du 4 2 Operational srt ee TITA E TR nno rd EEST 4 4 TLAASAUEERS eel Sod ort ke ee ERI Tu el MAS 4 4 ONNE KEE eebe ee eh 4 5 Appendix A CE Mark Compliance VALO AHEUSA ste O ea A 1 Alte EE A 1 External Grounding rause ie a e N ae a a e eea E A 1 Appendix B Data Records Option Cards stat in eeu d tenue B 1 Jorge setup Dakar ee a SS a OOO CI Cr ea a rr de B 2 Appendix C Optional Enclosures Introductionisi iui mar OLI be ret coe SE to etd C 1 Rack MouncEHcloSEe 4 34 ee aa la bee C 1 RACK MOUNE VUNG ee eig C 1 Rack Mount Front Pone C 2 Appendix D Measuring P and L Dimensions Introductio MES asintoto a la ci D 1 Measuring Rand EE D 1 vi Chapter 1 Installation Intr
60. software version in the left pane of the display window The Model GS868 performs a series of internal checks and display the results in the right pane of the display window Note f the Model GS868 fails any of the internal checks try disconnecting the power and then re powering the unit If the Model GS868 continues to fail any of the internal checks contact the factory for assistance After successfully performing the internal checks the Model GS868 begins taking measurements The power up display is replaced by a measurement mode display similar to that shown in Figure 3 1 below Note As a minimum the system and pipe parameters for each installed channel of a 2 channel meter must be entered before the Model GS868 can display valid data Refer to Chapter 2 Initial Setup for specific instructions SITE1 PIPET Velocity m s Volumetric SCM M 6 95 1038 Figure 3 1 A Typical Measurement Display Proceed to the next section for a description of the components of the Model GS868 display screen 3 2 Operation March 2008 Using the Display The Model GS868 display is divided into a left pane and a right pane The two screen panes can be set independently to display any of the available measurement or diagnostic parameters The components of a typical measurement mode screen are shown in Figure 3 2 below Locator Bar Pointer Ch1 no label Velocity 6 95 hl El Low Signal cri Error Code Option B
61. sts of the flowmeter transducers and any pressure and or temperature transducers employed as part of the flowmeter system Ideally choose a section of pipe with unlimited access as the flowcell for example a long stretch of pipe that is above ground However if the flowcell is mounted on an underground pipe dig a pit around the pipe to facilitate installation of the transducer mechanisms For a given fluid and pipe the Model GS868 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 1 Locate the transducers so that there are at least 20 pipe diameters of straight undisturbed flow upstream and 10 pipe diameters of straight undisturbed flow downstream from the measurement point To ensure undisturbed flow avoid sources of turbulence in the fluid such as valves flanges expansions and elbows swirl and dips or low spots in which condensed liquid may collect 2 Because condensate or sediment at the bottom of the pipe may cause attenuation of the ultrasonic signal locate the transducers on the side of a horizontal pipe where possible If limited pipe access necessitates top mounted transducers and the sound beam path includes a reflection shift the transducers to at least 10 off top center This will minimize the influence of any sediment on the reflected ultrasonic signals 1 2 Installation
62. ties whether statutory express or implied including warranties of merchantability 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 e H the 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 lii March 2008 F E Table of Contents Chopter 1 Installation d
63. tion Factor 4 Use the numeric keys to enter the known thickness of the Pipe Wall Press ENT If the pipe wall thickness is not available look up the value in a table of standard pipe size data or use the Model GS868 s on line Help Menu see the Programming Manual for details 5 Press F1 inch or F2 feet to select the units Then enter the Path Length P of the ultrasonic signal Press ENT The meter will only accept values from 1 8 to 900 in Note The factory has calculated both the transducer signal path length P and the transducer signal axial length L based on the exact transducer configuration used for the application These values are engraved on the flowcell and or are included in the documentation supplied with the meter 6 Press F1 inch or F2 feet to select the units Then enter the Axial Length L of the ultrasonic signal and press ENT Note The factory has calculated both the transducer signal path length P and the transducer signal axial length L based on the exact transducer configuration used for the application These values are engraved on the flowcell and or are included in the documentation supplied with the meter 7 Press F1 steam or F2 any other gas to select the Fluid Type a If OTHER was selected enter the speed of sound in feet per second in the gas to be measured Press ENT The meter will only accept values from 125 to 9000 ft sec 8 The Reynolds Co
64. uired pipe parameters As a guide in following the programming instructions in this chapter the relevant portions of the Model GS868 menu map have been reproduced in Figure 2 1 on page 2 11 Note There are minor differences at the start of the ACTIV and SYSTM submenus for the 1 Channel and 2 Channel models but the PIPE submenus are identical The following discussion assumes that the left screen pane is active If the right screen pane is active only the function key designations change That is replace F1 F4 with F5 F8 Be sure to record all programming data in Appendix B Data Records Use the keypad as described in the Programming Manual to navigate through the User Program The menu map may be followed in sequence or the T and keys may be used to scroll through the prompt screens The lt key may be used to delete the last alphanumeric character that was entered from the keypad Initial Setup 2 1 March 2008 Accessing the User Program To access the User Program press the PROG key on the keypad Note If the security feature is active enter the password and press the ENT key to enter the User Program See the SECUR submenu section in Chapter 1 Programming Site Data of the Programming Manual for more information For a 1 Channel Model GS868 the measurement mode screen is replaced by the following initial programming mode screen Ski At the User Program screen shown press the F1 fu
65. uts designated as A and B each of which includes a 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 To 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 have been 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 card or by an external power supply Figure 1 7 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 Sensor Analog Input Transmitter E Jumper Sensor With Internal Power Supply Figure 1 7 Analog Input Wiring Diagram Installation March 2008 Wiring a 0 4 20 mA Analog Inputs Option Card cont Wiring a Totalizer Freguency Outputs Option Card Wire the analog input terminal block in accordance with the pin number assignments shown in Figure 1 10 on page 1 20 The standard Model GS868 has at least one analog inputs option card which is used to supply the live pressure reading reguired for accurate mass flow calculations
66. ws the operator to program the meter 3 DIAGNOSTIC Allows the operator to calibrate inputs and outputs and to display certain diagnostic information such as checksums signal strength calculated gas sound speed etc Keypad programmahble for setting up log units update interval start and stop times Memory capacity for more than 43 000 flow data points in a linear or circular log Liquid crystal graphic display shows flow in numeric or graphic format Also displays logged data and diagnostics Supports wide variety of thermal and impact printers Output data in numeric or graphic strip chart format The transducer specifications for the Model GS868 flowmeter are divided into the following categories Standard T9 Optional BWTTM System 190 to 450 C 310 to 842 F overall Standard 0 to 2700 psig 1 to 187 bar Optional 3480 psig 240 bar maximum Standard Stainless steel titanium Optional Monel Hastalloy Cable Length Up to 1000 ft 300 m 4 4 Specifications March 2008 Transducer cont Flowcell Spoolpiece Cold Tap Pipe Size amp Materials Housing Options Explosion proof Class I Group C amp D Division D Flameproof INIEX ISSeP certified for EEx d II C T6 Weatherproof Type 4X IP65 Type 7 The flowcell specifications for the Model GS868 flowmeter are divided into the following categories Process Connections Flanged typical welded optional Trans

GE DigitalFlow GS868 Panametrics Steam Ultrasonic

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