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Chapter 4: Parts Replacement

DigitalFlow™ XGF868i Service Manual

Mounting Screw and

Washer Assembly
(3 places)

LCD Display,

Keypad Board and
Interconnect Board

Sub-Assembly

P4 Connector

P1 Connector

P2 Connector

J1 Connector

J2 Connector

J4 Connector

Illustration 4

(shown with heatsinks removed for clarity)

Green Grounding Jumper

P9 Connector on Terminal Board

connects to

J10 Connector on Main Board

J2 Connector

Bracket Screw

P8 Connector on Terminal Board

connects to
J8 Connector on Main Board

P21 Connector on Terminal Board

connects to
J3 Connector on Option Board (Slot 2)

P22 Connector on Terminal Board

Bracket Nut, Washer

and Lock Washer

Mounting Screw

with Washer Assembly

Illustration 7

*J7 for AC Power Supply (shown)

J6 for DC Power Supply

P10 Connector on Terminal Board

connects to

P7 Connector on Terminal Board

connects to

J7 Connector on Main Board

J9 Connector on Main Board

Terminal Board

J6/J7 Connector* on Terminal Board

connects to

Power Tab on Power Supply Board

Standoff

Illustration 5

Screw, Lock Washer and Flat Washer

(2 places)

Keypad Board

J1 Connector
(female)

P6 Connector

(male)

LCD Display and

Interconnect Board

Illustration 8

(shown with AC Power Supply) Note: There are no

Heat Sink and Gap Fillers with a DC Power Supply.

Illustration 6

Fuse Cover

DC Power Supply Board

U6 Eprom

Main Board

AC Power Supply
Assembly

Gap Filler (for AC
Power Supply only)

Screw, Lock Washer

and Flat Washer
(2 places)

Heatsink
(for AC Power Supply only)

(3 places)

P2 Connector on I/O Option Board (Slot 1)

connects to

Fig

e 7

: M

el X

i L

D D

pla

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Содержание DigitalFlow XGF868i

Страница 1: ...panametrics com 910 198 SC June 2022 DigitalFlow XGF868i Panametrics Flare Gas Flow Transmitter Service Manual...

Страница 2: ......

Страница 3: ...or more registered trademarks of Baker Hughes Company and its subsidiaries in one or more countries All third party product and company names are trademarks of their respective holders DigitalFlow XGF...

Страница 4: ...ii no content intended for this page...

Страница 5: ...eath if it is not avoided CAUTION Indicates a potentially hazardous situation which can result in minor or moderate injury to personnel or damage to the equipment if it is not avoided HIGH VOLTAGE Thi...

Страница 6: ...hat you bought has required the extraction and use of natural resources for its production It may contain hazardous substances that could impact health and the environment In order to avoid the dissem...

Страница 7: ...ostic Parameters 17 3 3 Flowcell Problems 19 3 3 1 Gas Problems 19 3 3 2 Pipe Problems 19 3 4 Transducer Problems 20 Chapter 4 Parts Replacement 4 1 Introduction 21 4 2 Removing the Circuit Board Asse...

Страница 8: ...ftware and Hardware 45 B 5 1 Uploading the Signal Array Data 46 B 5 2 Uploading the XGF868i Memory 47 B 5 3 Testing the XGF868i Hardware 48 Appendix C Factory Tests C 1 Introduction 57 C 2 Resetting t...

Страница 9: ...vailable option cards and the procedures for wiring them 1 2 Accessing the Calibration Menu The Calibration menu is accessible through the Keypad Program as well as through PanaView software If you ar...

Страница 10: ...he zero point and full scale values for all of these outputs must be calibrated After calibrating the outputs which have a resolution of 5 0 A 0 03 full scale their linearity should be tested Note The...

Страница 11: ...UP or DOWN to adjust the ammeter reading UP or DOWN until a 4 mA reading is achieved or Scroll to Numer and directly enter the mA reading In either case press Enter to confirm the entry 6 Once you ha...

Страница 12: ...y be added to the XGF868i by installing an appropriate option card in Slot 1 This option card contains two or four analog inputs which are designated as A B C and D Both the zero point and full scale...

Страница 13: ...inal block J2 Refer to Figure 4 on page 10 for the correct pin numbers 4 Scroll to the appropriate option to select the reference point to be calibrated Press Enter IMPORTANT The procedure for calibra...

Страница 14: ...ired set point temperature 2 Scroll to Set to program the RTD set point Press Enter 3 Use the arrow keys to enter the desired set point temperature and press Enter 4 Scroll to STORE to accept the new...

Страница 15: ...nual 7 Chapter 1 Calibration Figure 2 Totalizer Frequency Output Wiring OUT RTN IN Common Load Volts Common Volts Int Pwr Sup OUT RTN 5V 200 Transmitter Transmitter Pulse Counter Frequency Counter Tot...

Страница 16: ...the same However when testing another output be sure to reconnect the frequency counter at terminal block J2 See Figure 4 on page 10 for the correct pins 4 Enter a frequency between 1 and 10 000 Hz an...

Страница 17: ...RATING mA Reading Full Scale STORE ABORT A C 4 mA 20 mA ANALOG INPUT Slot 1 Analog Inputs CALIBRATING B D press EXIT key STORE ABORT A C SetPt Slope RTD INPUT Slot 1 RTD Inputs CALIBRATING B D press E...

Страница 18: ...ALARMA COM ALARMA NC ALARMB NO ALARMB COM ALARMB NC RTD C COMM C COM C RTD D COMM D COM D NC NC NC NC NC NC RTD C COMM C COM C RTD D COMM D COM D ALARMA NO ALARMA COM ALARMA NC ALARMB NO ALARMB COM AL...

Страница 19: ...losure the transducers or the flowcell a built in error code message system greatly simplifies the troubleshooting process All of the possible XGF868i error code messages are discussed in this chapter...

Страница 20: ...up Signal submenu as described in Chapter 1 Programming Site Data of the Programming Manual E2 Sound Speed Error Problem The sound speed exceeds the limits programmed in the Channelx Set up Signal su...

Страница 21: ...imits programmed in the Channelx Set up Signal submenu of the Keypad Program Cause Excessive levels of an attenuating gas such as CO2 may be present in the flowcell Solid or liquid particulates may be...

Страница 22: ...ing cable Refer to Chapter 1 Calibration and recalibrate the analog inputs option card E10 Special Input Problem This message indicates a special input error Cause The special input exceeds the specif...

Страница 23: ...totalizers are unable to keep up with the total accumulated flow signals Cause The programmed units pulse value is too small Action Select a larger number of units pulse value E15 Equation Limit Prob...

Страница 24: ...Chapter 2 Error Codes 16 DigitalFlow XGF868i Service Manual no content intended for this page...

Страница 25: ...ess Enter 5 Scroll to LCD and press Enter 6 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 measure...

Страница 26: ...ce between the upstream and downstream signals N A N A Tot K Displays the total number of K factors N A N A PEAK Displays the percentage of peak set to 50 by default N A N A Qup Displays the signal qu...

Страница 27: ...ill tolerate relatively large changes in the gas sound speed as may be caused by variations in gas composition and or temperature However such changes must occur slowly Rapid fluctuations in the gas s...

Страница 28: ...intended application the transducers may suffer corrosion damage The damage usually occurs either at the electrical connector or on the transducer face If corrosion is suspected remove the transducer...

Страница 29: ...isconnect 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 unit Use Figure 6 on page 29...

Страница 30: ...Refer to Illustration 1 in Figure 6 on page 29 and loosen the set screw on the rear cover Place a rod or long screwdriver across the cover in the slots provided and rotate the cover counterclockwise u...

Страница 31: ...interconnect board by the other hand and pull the two boards apart Note The two circuit boards are attached by a connector located beneath the top edge of the LCD display board see Illustration 5 in F...

Страница 32: ...il the power supply board is facing upward 3 Locate the fuse along the left side of the power supply board just below the terminal board refer to Illustration 6 in Figure 7 on page 30 4 Pull the plast...

Страница 33: ...r supply board see Illustration 8 in Figure 7 on page 30 Note An XGF868i with a DC power supply will include two more mounting screws but no heat sink 5 Carefully pull up the power supply board and he...

Страница 34: ...h an optional heat sink to an I O option card see Attaching an Optional Heat Sink to an I O Option Card on page 26 When the XGF868i includes both an I O board Slot 1 and an option board Slot 2 the two...

Страница 35: ...board power supply assembly and the two option boards Slot 1 and Slot 2 where applicable so that the connectors listed in Table 5 below are facing each other Then firmly press the terminal board and...

Страница 36: ...o far into the enclosure it cannot be rotated properly 3 Attach the loose end of the green grounding jumper wire to the enclosure with the mounting screw flat washer and lock washer previously removed...

Страница 37: ...lid Set Screw Illustration 3 Enclosure Assembly Mounting Screw with Washer Assembly 4 places TB6 TB2 TB5 TB3 TB4 Illustration 2 Grounding Jumper Wire Label Plate with Ground Symbol Ground Screw Termin...

Страница 38: ...tion 7 J7 for AC Power Supply shown J6 for DC Power Supply P10 Connector on Terminal Board connects to P7 Connector on Terminal Board connects to J7 Connector on Main Board J9 Connector on Main Board...

Страница 39: ...lot 1 with Heatsink Screw with Washer Assembly 2 places Bracket Nylon Washer Flat Washer Lock Washer Screw Power Supply Heatsink Gap Filler white surface facing PCB J2 Connector on Power Supply J6 Con...

Страница 40: ...Chapter 4 Parts Replacement DigitalFlow XGF868i Service Manual 32...

Страница 41: ...ransmitter the details of the service should be recorded in this appendix An accurate service history of the meter can prove very helpful in troubleshooting any future problems A 2 Data Entry Record c...

Страница 42: ...Appendix A Service Record 34 DigitalFlow XGF868i Service Manual Table 6 Data Entry Date Description of Service Performed By...

Страница 43: ...unction is noticed the values for the diagnostic parameters should be entered in Table 7 below Table 7 Diagnostic Parameters Parameter Initial Current Parameter Initial Current SS up CNTdn SS do P up...

Страница 44: ...Appendix A Service Record 36 DigitalFlow XGF868i Service Manual no content intended for this page...

Страница 45: ...ion card totalizer and frequency outputs Uploading XGF868i signal array data and memory data Testing the EPROM RAM and DAC Setting the number of channels Resetting the XGF868i to default values The XG...

Страница 46: ...ing the Serial Port in the Startup Guide and to the document EIA RS Serial Communications 916 054 You must also install PanaView as discussed in the PanaView User s Manual 910 211 1 Power up the XGF86...

Страница 47: ...nstalled in this slot 3 Double click on either Output A or Output B to open the Analog Output menu Output A will be used as an exam ple in this manual IMPORTANT The procedure for calibrating Output B...

Страница 48: ...he values listed in Table 8 above check the accuracy and wiring of the ammeter Then repeat the low and high end calibrations If the analog output still does not pass the linearity test contact the fac...

Страница 49: ...his slot Notice that all of the available outputs usually four appear at the above prompt The desired type of output may appear as the A and B output pair and or as the C and D output pair Simply sele...

Страница 50: ...r reading UP or DOWN until a 4 mA reading is achieved or double click on 4 mA Numeric Cal and directly enter the mA reading in the right pane 5 Once you have achieved a 4 mA reading double click on ei...

Страница 51: ...r 4 mA However the calibration procedure always uses the 4 mA point as the meter will extrapolate this value to obtain the 0 mA point 1 In the center pane of the Calibration Test window double click o...

Страница 52: ...ference on terminal block J2 See Figure 4 on page 10 for the correct pin numbers Proceed to the corresponding sub section for specific instructions on each of the options shown above B 4 4 Entering th...

Страница 53: ...e 10 for the correct pin numbers 3 At the Frequency prompt enter a frequency between 1 and 10 000 Hz and click Next Item Verify that the fre quency counter reads the correct value 4 Repeat steps 2 and...

Страница 54: ...re available Raw UP Upstream Signal Raw DOWN Downstream Signal CFUNC UP Correlation Function Upstream CFUNC DOWN Correlation Function Downstream CCFUNC Cross Correlation Function Double click on the d...

Страница 55: ...Hex Start Address Click Next Item 3 The next prompt displays the value for the Hex Bytes Click Next Item 4 PanaView now offers two options for Uploading the XGM memory If you double click on To Displ...

Страница 56: ...he XGF868i hardware the EPROM the NVR the RAM FIFO and the DAC You can also Program and test optional cards Read site checksums and calibration values Test and set the contrast for the LCD Set the num...

Страница 57: ...e main Calibration Test menu B 5 3 2 NVR Test 1 From the left pane of the Calibration Test window double click on Hardware Test Note If you are in the Hardware Test option skip to step 2 2 In the cent...

Страница 58: ...om the left pane of the Calibration Test window double click on Hardware Test 2 In the center pane double click on FIFO TEST 3 In the right pane a message lists the desired number of bits along with t...

Страница 59: ...If you are in the Hardware Test option skip to step 2 1 From the left pane of the Calibration Test window double click on Hardware Test 2 In the center pane double click on DAC TEST 3 The center pane...

Страница 60: ...To enable you to Choose an Opcard the center pane displays a list of possible option cards Scroll to and dou ble click on the type of card installed 4 The program asks for the Board Revision Enter th...

Страница 61: ...for display 1 From the left pane of the Calibration Test window double click on Hardware Test 2 In the center pane double click on Set Chans 3 In the Number of Channels window double click on 1 or 2 C...

Страница 62: ...h 1 4 and KEY 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...

Страница 63: ...set to 50 by default N A N A Qup Displays the signal quality for the upstream transducer 1200 400 to 400 Qdown Displays the signal quality for the downstream transducer 1200 400 to 400 AMPup Displays...

Страница 64: ...Appendix B Calibration and Testing with PanaView 56 DigitalFlow XGF868i Service Manual no content intended for this page...

Страница 65: ...to Factory Defaults 1 In the Factory Test menu scroll to INIT and press Enter 2 The screen displays the initial string ESKE0 Use the left and right arrow keys to move among characters and the up and d...

Страница 66: ...e been set up the meter returns to the Global I O window To leave the Keypad Program press the Escape key three times After leaving the Keypad Program the XGF868i will reset itself and will begin to d...

Страница 67: ...enu 38 Channels Resetting Number of 57 Setting Number with PanaView 53 CNTdn 18 55 CNTup 18 55 Contamination Gas 19 Corrosion Transducers 20 D DAC Test 51 Defaults Resetting Meter to 57 DELTA 18 55 Di...

Страница 68: ...e Return Policy 61 RTD Inputs Option Card Calibrating 6 RTD Inputs Calibrating with PanaView 44 RTD Set Point Entering in PanaView 44 RTD Slope Point Entering in PanaView 44 S Service Record 33 Set Po...

Страница 69: ...purpose and warranties arising from course of dealing or usage or trade Return Policy If a Panametrics Sensing instrument malfunctions within the warranty period the following procedure must be comple...

Страница 70: ...Warranty 62 DigitalFlow XGF868i Service Manual no content intended for this page...

Страница 71: ......

Страница 72: ...and company names are trademarks of their respective holders 910 198S Rev C Customer Support Centers U S A The Boston Center 1100 Technology Park Drive Billerica MA 01821 U S A Tel 800 833 9438 toll...

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