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DigitalFlow™ XMT868i Service Manual

Index

Numerics

20 mA Option, Analog Inputs 5, 2 4
4 mA Option, Analog Inputs 5, 24

Alarm Option Card, Testing 7
Alarm Relays, Testing 26
Ammeter, in Calibration 2
Amplitude Error - E5 3
Analog Input Error - E8 3
Analog Inputs

20 mA Option 5, 24

4 mA Option 5, 2 4

Option Card, Calibrating 4

Analog Output Error - E7 3
Analog Outputs (Slot 0)

Ammeter Readings 4, 2 1, 2 3

As Calibrated Current Source 4, 24, 25

Calibrating 20

Linearity 20

Resolution 20

Analog Outputs Option Card

Calibrating 2, 23, 2 4, 25

Linearity 2, 2 3, 2 4, 2 5

Resolution 2, 2 3, 2 4, 2 5

Arrow Keys 33

Bracket, Option Card 6

Calibrating

See Parameter Name

Calibration

Entering Menu 19

Menu Map 11

with Keypad Program 1

Calibration/Test Menu 1, 1 9
Channels

Resetting the Number of 33

Setting the Number of 31

Corrosion, Transducers 8
Cycle Skip, Acceleration Error - E6 3

Defaults, Resetting Meter to 33
Diagnostic Parameters

Initial Values 5

Table 3

Table of Values 17

Diagnostics Menu, Entering 1
Display (LCD), Replacing 3
Display Screen

Error Message 1

Illustration 1

Electronics Console Assembly 11

EPROM

Replacing 5

Test 31

User Program 5

Error Codes

E13 - Volumetric Overflow 3

E0 - No Error 2

E1 - Low Signal 2

E2 - Soundspeed 2

E3 - Velocity Range 2

E4 - Signal Quality 2

E5 - Amplitude 3

E6 - Cycle Skip, Acceleration 3

E7 - Analog Output 3

E8 - Analog Input 3

E9 - Totalizer Overflow 3

Error Message, Display Screen 1
Expansion Slots 1, 19

Factory Test Menu 33
Flowcell Problems

Fluid 6

Pipe 7

Fluid

Physical Requirements 6

Problems 6

Soundspeed 6

Frequency Option Card, Testing 10
Frequency Outputs, Testing 27
Fuse, Replacing 4

Hardware Test 31

I/O Option Card Subassembly 13
Input Connections 12
Inputs

20 mA Option 5, 24

4 mA Option 5, 2 4

Interconnect Board Subassembly 12

Keypad Program for Calibration 1

LCD Display

Replacing 3

Subassembly 12

Leaks, Transducers 8
Low Signal Error - E1 2
LVD Statement 1

Memory Data, Uploading 30
Menu Map, Calibration 11

No Error - E0 2

Содержание DigitalFlow XMT868i

Страница 1: ...panametrics com Flow 910 171S August 2021 DigitalFlow XMT868i Ultrasonic Flow Transmitter for Liquids 1 2 Channel Service Manual...

Страница 2: ......

Страница 3: ...ore 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 XMT868i...

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

Страница 5: ...1 Preparing for Testing 10 1 8 2 Testing the Output 10 Chapter 2 Error Codes 2 1 Introduction 1 Chapter 3 Diagnostics 3 1 Introduction 1 3 2 Displaying Diagnostic Parameters 1 3 2 1 Viewing Diagnosti...

Страница 6: ...Analog Outputs 23 B 4 2 Analog Inputs 24 B 4 3 RTD Inputs 25 B 4 4 Testing Alarm Relays 26 B 4 5 Testing Totalizer Outputs 27 B 4 6 Testing Frequency Outputs 27 B 5 Testing XMT868i Software and Hardwa...

Страница 7: ...or each installation Auxiliary Equipment Local Safety Standards The user must make sure that he operates all auxiliary equipment in accordance with local codes standards regulations or laws applicable...

Страница 8: ...the environment In order to avoid the dissemination of those substances in our environment and to diminish the pressure on the natural resources we encourage you to use the appropriate take back syst...

Страница 9: ...tartup Guide for a complete description of the available option cards and the procedures for wiring them 1 2 Accessing the Calibration Menu The Calibration menu is accessible through the Keypad Progra...

Страница 10: ...th the zero point and full scale values for all of these outputs must be calibrated After calibrating the outputs which have a resolution of 16 0 A 0 1 full scale their linearity should be tested Note...

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: ...inputs may be added to the Model XMT868i 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...

Страница 13: ...rce on terminal block J2 See Figure 4 on page 12 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 c...

Страница 14: ...ting the other inputs be sure to reconnect the current source at terminal block J2 See Figure 4 on page 12 for the correct pins 1 5 3 Entering the Set Point 1 Before proceeding place the RTD in a temp...

Страница 15: ...t Output A will be used as an example in this manual Press Enter IMPORTANT The procedure for testing all the alarms is the same However when testing a different output be sure to reconnect the ohmmete...

Страница 16: ...on page 12 to identify the OUT and RTN pins for Output A on terminal block J2 Figure 2 Totalizer and Frequency Output Wiring 1 7 2 Testing the Output 1 From the Keypad Program press the right arrow k...

Страница 17: ...lue that is compatible with the pulse counter to be used 5 Use the arrow keys to enter a value for the number of measurement units represented by each pulse between 1 and 10 000 and press Enter That n...

Страница 18: ...The Slot 1 option only appears at the above prompt if an option card is installed in this slot 3 Scroll to the desired Output Output A will be used as an example in this manual Press Enter IMPORTANT T...

Страница 19: ...RATING ALARMS CLOSE EXIT OPEN PULSES Fx represent function keys to select option bar choices boxed text represents option bar choices NOTE Plain text represents prompt area messages and Full Scale CAL...

Страница 20: ...1 7 8 6 5 4 3 2 9 8 7 Pin 1 2 4 5 6 3 9 11 12 10 7 8 6 5 Pin 1 4 3 2 12 11 10 9 8 7 2 4 5 6 3 Pin 1 9 11 12 10 7 8 6 5 4 3 Pin 1 2 12 11 10 9 8 7 2 4 5 6 3 Pin 1 9 10 12 11 2 Pin 1 3 4 5 6 8 7 7 8 9...

Страница 21: ...ected the display is illuminated briefly if the backlight is already on the light is interrupted briefly A built in error code message system greatly simplifies the troubleshooting process All of the...

Страница 22: ...ansducer orientation Action Compare the measured sound speed to tabulated nominal values for the fluid being used and correct any programming errors Refer to Chapter 3 Diagnostics to correct any flowc...

Страница 23: ...for the Slot 0 analog outputs or is 1000 ohms for an analog outputs option card in Slot 1 E8 Analog In Error Problem This message indicates a temperature input error Cause The temperature exceeds the...

Страница 24: ...Chapter 2 Error Codes 4 DigitalFlow XMT868i Service Manual...

Страница 25: ...Model XMT868i has built in Diagnostic Parameters to aid in the troubleshooting of flowcell transducer and or electrical problems You can access these parameters either through the Keypad Program or t...

Страница 26: ...When all of the display parameters have 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 XMT868i...

Страница 27: ...nd click on the Text Display option Note The Text Display window that appears after Step 2 is actually stacked on top of any previously opened windows such as the Meter Browser window 5 Using the Wind...

Страница 28: ...measured transit time and the clamp on parameters clamp ons only N A N A Qup UP Signal Q Displays the signal quality for the upstream transducer 1200 1200 to 1200 Qdown DN Signal Q Displays the signal...

Страница 29: ...ues can then be compared to current values to help diagnose any future malfunction of the system DENSr Return Dens Displays the density for the return input energy measurement N A N A DELTh Delta h Di...

Страница 30: ...r gas particles will absorb or disperse the ultrasound signals This interference with the ultrasound transmissions through the fluid will cause inaccurate flow rate measurements In addition temperatur...

Страница 31: ...For other flowcells measure the pipe wall thickness and diameter with the same accuracy desired in the flow rate readings Also check the pipe for dents eccentricity weld deformity straightness and oth...

Страница 32: ...or on the transducer face If corrosion is suspected remove the transducer from the flowcell and carefully inspect the electrical connector and the transducer face for roughness and or pitting Any tra...

Страница 33: ...cers consist of a ceramic crystal bonded to the transducer case The bond between the crystal and the case may be damaged by extreme shock and by temperature extremes The crystal itself can also be dam...

Страница 34: ...Chapter 3 Diagnostics 10 DigitalFlow XMT868i Service Manual...

Страница 35: ...8i is installed in a hazardous environment a the electronics enclosure must be moved to a safe area prior to removing the covers or b if the electronics enclosure cannot be moved to a safe area ensure...

Страница 36: ...g to step 2 WARNING The main power to the Model XMT868i must be disconnected before proceeding 2 Refer to Illustration 1 in Figure 7 on page 11 Loosen the set screw on the rear cover Place a rod or lo...

Страница 37: ...y 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...

Страница 38: ...ard on the right Rotate the assembly until 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...

Страница 39: ...ower supply board see Illustration 8 in Figure 8 on page 12 Note A XMT868i with a DC power supply will include two more mounting screws but no heat sink 5 Carefully pull up the power supply board and...

Страница 40: ...onnectors a To install a data logging or communication option card into Slot 2 orient the option card so that its 36 pin connector is positioned over connector P2 on the interconnect board Then firmly...

Страница 41: ...minum backplate to the I O heat sink with three screws lock washers and flat washers Note The following step applies only to the TR and FR option cards Otherwise proceed to step 4 3 If you have an opt...

Страница 42: ...th the white face against the power supply board 3 Secure the power supply board and heat sink to the main board by reinstalling the screws flat washers and lock washers previously removed from the co...

Страница 43: ...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 Be sure to ins...

Страница 44: ...Chapter 4 Parts Replacement 10 DigitalFlow XMT868i Service Manual...

Страница 45: ...id 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 Termina...

Страница 46: ...asher 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 C...

Страница 47: ...ot 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 Conn...

Страница 48: ...Chapter 4 Parts Replacement DigitalFlow XMT868i Service Manual...

Страница 49: ...transmitter 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...

Страница 50: ...Appendix A Service Record 16 DigitalFlow XMT868i Service Manual Table 6 Service Record Date Description of Service Performed By...

Страница 51: ...Table 7 Table 7 Diagnostic Parameters Parameter Initial Current Parameter Initial Current UP Sig Strength UP Amp Discrim DN Sig Strength DN Amp Discrim Soundspeed UP Peak UP Transit DN Peak DN Transit...

Страница 52: ...Appendix A Service Record 18 DigitalFlow XMT868i Service Manual...

Страница 53: ...m 0 2 Slot 2 is used only for data logging or communication option cards See Chapter 1 Installation and Appendix B Data Records in the Startup Guide for a complete description of the available option...

Страница 54: ...terminal block J1 which is designated as Slot 0 Both the zero point and full scale values for each output must be calibrated After calibrating the outputs which have a resolution of 5 0 A 0 03 full s...

Страница 55: ...Double click on 20 milliamps and repeat steps 5 and 6 to cali brate the high end of the output range Note Skip the following prompt if linearity testing of the output will not be performed at this tim...

Страница 56: ...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 57: ...ading 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 either...

Страница 58: ...f the analog input may be set for either 0 mA or 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 pan...

Страница 59: ...corresponding sub section for specific instructions on each of the options shown above B 4 3a Set Point Option 1 If you selected the Set Pt option in the RTD Input menu PanaView asks for the Low Refer...

Страница 60: ...Alarm Relay menu Output A will be used as an example in this manual IMPORTANT The procedure for testing Alarm B is identical to that for testing Alarm A However be sure to reconnect the ohmmeter on t...

Страница 61: ...tputs If any of the totalizer outputs fails the test contact GE for assistance Click Exit Page to return to the Slot 1 window and calibrate additional inputs outputs or click Exit Page again to close...

Страница 62: ...Test menu The window appears similar to Figure 11 on page 20 Proceed to the appropriate section to upload data and test hardware B 5 1 Uploading Signal Array Data By uploading XMT868i signal array da...

Страница 63: ...ndow appears similar to Figure 13 and the data is available for immediate evaluation Click Exit Page to close the window and return to the Calibration Test menu Figure 13 Signal Array Data Displayed o...

Страница 64: ...Item 3 The next prompt displays the value for the Hex Bytes Click Next Item 4 PanaView now offers two options for Uploading the XMT memory If you double click on To Display the right pane of the windo...

Страница 65: ...n Test menu B 5 3 2 RAM Test To check the RAM Note 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 cent...

Страница 66: ...Appendix B Calibration and Testing with PanaView 32 DigitalFlow XMT868i Service Manual...

Страница 67: ...the initial string ESKE0 Use the left and right arrow keys to move among characters and the up and down arrow keys to alter each character until the string is FRIG plus the number of channels that is...

Страница 68: ...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 XMT868i will reset itself and will begin to d...

Страница 69: ...to 33 Diagnostic Parameters Initial Values 5 Table 3 Table of Values 17 Diagnostics Menu Entering 1 Display LCD Replacing 3 Display Screen Error Message 1 Illustration 1 E Electronics Console Assembl...

Страница 70: ...ting 25 Option Card Calibrating 6 S Service Record 15 Set Point in RTD Calibration 6 Signal Array Data Uploading 28 Signal Quality Error E4 2 Slope in RTD Calibration 6 Soundspeed Error E2 2 Fluid 6 T...

Страница 71: ...lar 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 co...

Страница 72: ...Warranty 38 DigitalFlow XMT868i Service Manual no content intended for this page...

Страница 73: ......

Страница 74: ...and company names are trademarks of their respective holders 910 171S Rev G 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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