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GE AquaTrans AT868, User Manual

Introducing the GE AquaTrans AT868, a cutting-edge water transportation device designed to revolutionize your aquatic adventures. Enhance your user experience with our Abridged Manual, available for free download, providing detailed instructions and insights. Unlock the full potential of your AquaTrans AT868 today, exclusively at manualshive.com.

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vii

September 2004

Table of Contents (cont.)

Chapter 3:  Displaying Data

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Adjusting LCD Contrast and Brightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Setting Up the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Resetting Totals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Resetting Totalizers Using the Internal Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Resetting Totalizers Using PanaView™. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Resetting Totalizers Using the External Switch  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Taking Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Chapter 4:  Calibration

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Calibrating and Testing Analog Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Testing Output Linearity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Testing Totalizer/Frequency Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Calibrating the Frequency Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Calibrating the Totalizer Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Chapter 5:  Error Codes

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
E0: No Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
E1: Low Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
E2: Sound Speed Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
E3: Velocity Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
E4: Signal Quality. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
E5: Amplitude Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
E6: Cycle Skip, Accel.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
E7: Analog Out Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
E8: Unassigned. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
E9: Totalizer Overflow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
E10: Unassigned  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
E11: Unassigned  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
E12: Unassigned  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
E13: Volumetric Overflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Chapter 6:  Diagnostics

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Displaying Diagnostic Parameters  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Using the Tracking Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Diagnostic Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Flowcell Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6

Fluid Problems  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Pipe Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7

Transducer Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

Wetted Transducer Problems  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Clamp-on Transducer Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9

Summary of Contents for AquaTrans AT868

Page 1: ...GE Infrastructure Sensing Model AT868 AquaTrans Ultrasonic Flow Transmitter for Water 1 2 Channel User s Manual 910 218D September 2004 ...

Page 2: ...nties arising from course of dealing or usage or trade Return Policy If a GE Infrastructure Sensing Inc instrument malfunctions within the warranty period the following procedure must be completed 1 Notify GE Infrastructure Sensing Inc 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 serv...

Page 3: ...ocation 1 2 Cable Lengths 1 3 Transducer Cables 1 3 Installing a Flowcell 1 3 Mounting the AT868 Electronics Enclosure 1 3 Making Electrical Connections 1 4 Preparing the Unit 1 4 Wiring the Line Power 1 4 Wiring Transducers 1 6 Wiring Std 0 4 20 mA Analog Outputs 1 7 Wiring the Totalizer Frequency Output 1 8 Wiring the Serial Port 1 9 Wiring an External Totalizer Reset Switch 1 12 ...

Page 4: ... 2 9 Fluid Type 2 10 Reynolds Correction 2 10 KV Input Selection 2 11 Number of Traverses and Transducer Spacing 2 12 Entering the Zero Cutoff Value CHx I O 2 12 Entering Setup Data CHx SETUP 2 13 Set Transducer Signal Settings SIGNL 2 13 Setting Response Time AVRG 2 16 Initializing Setup Parameters INIT 2 17 Using Advanced Features ADVAN 2 17 Entering Global System Data GLOBL SYSTM 2 22 Selecting...

Page 5: ...4 Calibrating the Frequency Output 4 4 Calibrating the Totalizer Output 4 4 Chapter 5 Error Codes Introduction 5 1 E0 No Error 5 1 E1 Low Signal 5 1 E2 Sound Speed Error 5 2 E3 Velocity Range 5 2 E4 Signal Quality 5 2 E5 Amplitude Error 5 2 E6 Cycle Skip Accel 5 3 E7 Analog Out Error 5 3 E8 Unassigned 5 3 E9 Totalizer Overflow 5 3 E10 Unassigned 5 3 E11 Unassigned 5 3 E12 Unassigned 5 3 E13 Volume...

Page 6: ...ons 8 4 Pipe Size and Materials 8 5 Tilted Diameter Spoolpiece 8 6 Appendix A Menu Maps The CHx ACTIV SYSTM PIPE and I O Menu Map A 1 The GLOBL Menu Map A 2 The CHx SETUP Menu Map A 3 The RESET and CALIB Menu Map A 4 Appendix B CE Mark Compliance Introduction B 1 EMC Compliance B 1 LVD Compliance B 2 Appendix C Data Records Site Data C 1 Appendix D Measuring P and L Dimensions Measuring P and L D ...

Page 7: ...ng the RS232 Interface F 2 Starting Up F 2 Setting Up the Communications Port F 3 Adding an IDM Compatible Meter F 5 Editing Meter Properties F 7 Setting the Meter Clock F 9 Reading Transducer Signals F 10 Plotting Transducer Signals F 11 Saving Transducer Signals F 11 Clearing Totalizers F 11 Handling Site Files F 12 Changing Meter Settings F 15 ...

Page 8: ...Chapter 1 ...

Page 9: ...Installation Introduction 1 1 Unpacking 1 2 Site Considerations 1 2 Installing a Flowcell 1 3 Mounting the AT868 Electronics Enclosure 1 3 Making Electrical Connections 1 4 ...

Page 10: ... and the flowcell transducers Installing the flowcell transducers Note See the enclosed Liquid Transducer Installation Guide 916 055 for detailed instructions on transducer installation Installing the electronics enclosure Wiring the electronics enclosure WARNING Be sure to follow all applicable local safety codes and regulations for installing electrical equipment Consult company safety personnel...

Page 11: ...accessible and located within 1 8 m 6 ft of the Model AT868 Flowcell Location Ideally choose a section of pipe with unlimited access for example a long stretch of pipe that is above ground However if the flowcell is to be mounted in an underground pipe dig a pit around the pipe to facilitate installation of the transducers Transducer Location For a given fluid and pipe the Model AT868 s accuracy d...

Page 12: ...er frequencies up to 2 MHz the cables in each pair must be the same length within 4 in 10 cm For transducer frequencies above 2 MHz the cables in each pair must be the same length within 0 5 in 1 25 cm Installing a Flowcell A flowcell is the section of pipe where the transducers are mounted It can be created either by mounting the transducers on the existing pipeline or by mounting them on a spool...

Page 13: ...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 4 Install any required cable clamps in the appropriate conduit holes on the bottom of the enclosure 5 Note the labels inside the enclosure to assist in wiring Proceed to the appropriate section of this chapter to make t...

Page 14: ...nected from the meter 3 Install a suitable cable clamp in the conduit hole where the line power is fed through If possible avoid using a conduit hole containing input output cables for this purpose to minimize any interference in the circuitry from the AC power line ATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance ...

Page 15: ...n Figure 1 4 on page 1 14 and connect the transducer cables to the terminal block labeled DN and UP for Channel 1 Then secure the cable clamp Note The RED cable leads are the SIG leads and the BLACK cable leads are the RTN leads ATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance 5 For a 2 Channel path AT868 repeat st...

Page 16: ...ow the instructions on page 1 4 to prepare the unit before you connect power 2 Refer to Figure 1 4 on page 1 14 for the locations of the appropriate terminal blocks and wire the analog outputs as shown Secure the cable clamp Note Analog outputs 1 and 2 in the wiring diagram correspond to analog outputs A and C in the AT868 software ATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cabl...

Page 17: ...L POWER TO THE PULSE FREQUENCY OUTPUT TERMINALS To wire the totalizer frequency outputs complete the following steps 1 Follow the instructions on page 1 4 to prepare the unit before you connect power 2 Refer to Figure 1 4 on page 1 14 for the location of the appropriate terminal blocks and wire the totalizer frequency outputs as shown Secure the cable clamp Note Analog outputs 1 and 2 in the wirin...

Page 18: ...le cable for connecting the Model AT868 to the external device If desired an appropriate cable may be purchased from the factory Note Signal names that imply direction e g transmit and receive are named from the point of view of the DTE device the GE Infrastructure Sensing meter is usually considered the DTE device When the RS232 standard is strictly followed these signals are labeled with the sam...

Page 19: ...d of the cable to the printer ANSI terminal or personal computer and secure the cable clamp ATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance After the wiring has been completed reinstall the plastic shroud replace the front cover on the enclosure and tighten the screws Consult the User s Manual for the external dev...

Page 20: ...rial port refer to Figure 1 4 on page 1 14 and complete the following steps 1 Follow the instructions on page 1 4 to prepare the unit before you connect power 2 Feed one end of the cable through the conduit hole and wire the leads to the COMMUNICATION terminal block as shown in Figure 1 4 on page 1 14 Secure the cable clamp 3 Connect the other end of the cable to the converter see Figure 1 2 below...

Page 21: ...e switch will reset the totalizer values to zero for both Channel 1 and Channel 2 if present IMPORTANT The Model AT868 only supplies the capability to connect and use the switch The user must supply all the actual switch and wire to connect it Use the steps below to connect an external reset switch WARNING Always disconnect the line power from the Model AT868 before removing front cover 1 Follow t...

Page 22: ...2004 Installation 1 13 Figure 1 3 Outline and Installation Wall Mount Ref 712 1106C sht 1 Note 1 All dimensions are in inches millimeters 4 11 104 4 5 88 149 3 2 86 72 6 9 00 228 6 10 00 254 0 Ø 41 10 40 4 Holes ...

Page 23: ...nnection 3 Line Neutral Earth Ground NEUT GND Line Power AC Power Input Description LINE Pin No Green Yellow White TB3 RS232 RS485 Serial Port Color 5 DTR 3 COM 4 CTS Pin No 2 RX Black Red 1 TX Description Data Terminal Ready Clear to Send Ground Receive Transmit for standard factory cables 704 659 660 661 662 Pole 2 of Switch Pole 1 of Switch External Totalizer Reset Switch Description E5 E9 Test...

Page 24: ...Chapter 2 ...

Page 25: ...ering Transducer and Pipe Parameters CHx PIPE 2 5 Entering the Zero Cutoff Value CHx I O 2 12 Entering Setup Data CHx SETUP 2 13 Entering Global System Data GLOBL SYSTM 2 22 Setting Up the Inputs and Outputs GLOBL I O 2 25 Configuring the Communications Port GLOBL COMM 2 33 Configuring the Output as a Totalizer or Frequency Output 2 34 ...

Page 26: ...zer and mass flow units and other parameters CHx PIPE enter the pipe geometry and other parameters CHx I O set up the analog and totalizer frequency outputs CHx SETUP set the signal limits response times and activating mass flow GLOBL SYSTM select system units English and metrics GLOBL I O set up error handling outputs and display GLOBL COMM set the serial port parameters Note The x in CHx represe...

Page 27: ... X until PROG appears and press ENTER 3 Press X until the desired channel appears Press ENTER at CH1 or CH2 4 Press X until ACTIV appears and press ENTER 5 Press X until TRANS appears and press ENTER Selecting TRANS activates the channel path If you have a 2 channel path unit you can also disable a channel path If you select OFF you will not be able to program that channel path Procedure Options A...

Page 28: ...sired location and press S and T to change a letter Then press ENTER 6 Use the arrow keys to enter the desired SITE MESSAGE up to 16 characters and press ENTER For a 2 channel path meter this prompt is called CHANNEL MESSAGE Selecting the Volumetric Units 1 Use the arrow keys to select the desired volumetric units for the flow rate display and press ENTER 2 Use the arrow keys to select the desired...

Page 29: ...d X to select the desired units for the totalized mass flow rate display and press ENTER The available units for this prompt are determined by the selection made at SYSTEM UNITS 5 Press W and X to select the desired number of digits to the right of the decimal point in the totalized mass flow rate display and press ENTER Procedure Options After completing the above steps the user program returns t...

Page 30: ...s Press ENTER at CH1 or CH2 4 Press X until PIPE appears and press ENTER 5 Do one of the following Standard transducers enter the transducer number by using the arrow keys Press W and X to move the cursor to desired location and press S and T to increase or decrease the number and press ENTER Proceed to the next step Special transducers proceed to Special Transducers below IMPORTANT Special transd...

Page 31: ...the cursor to desired location and press S and T to increase or decrease the number and press ENTER 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 Special Clamp On Transducers The following two prompts appear only i...

Page 32: ... Steel IRON Ductile Cast Cu Copper no additional selection required Al Aluminum no additional selection required BRASS no additional selection required CuNi Copper Nickel 70 Cu 30 Ni 90 Cu 10 Ni GLASS Pyrex Heavy silicate flint Light borate crown Plastic Nylon Polyethylene Polypropylene PVC CPVC Acrylic OTHER Enter the sound speed of the pipe material by using the arrow keys Press W and X to move ...

Page 33: ...cursor to desired location and press S and T to increase or decrease the number and press ENTER If the pipe wall thickness is not available look up the value in a table of standard pipe size data which can be found in Sound Speeds and Pipe Size Data manual 914 004 4 Do one of the following All wetted transducers proceed to Path and Axial Length below All clamp on transducers proceed to Lining on p...

Page 34: ...ENTER Setting Up a Tracking Window The Tracking Window feature is used to track the fluid sound speed This feature enables you to make accurate measurements when the fluid sound speed is unknown or when the fluid sound speed varies widely due to temperature variations or other factors 1 At the TRACKING WINDOWS prompt select YES If you do not know the fluid sound speed proceed to Step 2 NO If you d...

Page 35: ...e Reynolds Correction Factor and press ENTER Note Typically Reynolds Correction is set to active 2 Do one of the following If you selected OFF enter the Calibration Factor and press ENTER Then proceed to one of the following sections For Clamp on Transducers proceed to Number of Traverses and Transducer Spacing on page 2 12 For Wetted Transducers The meter returns to the Channel PROGRAM window At ...

Page 36: ... to move the cursor to desired location and press S and T to increase or decrease the number and press ENTER Then enter the Calibration Factor in a similar manner and press ENTER Note If you select OTHER as the fluid type you must enter the Kinematic Viscosity The AT868 will only approximate the Kinematic Viscosity if you select one of the available fluid options other than OTHER i e water oil etc...

Page 37: ...ffsets caused by thermal drift or similar factors To force a zero display reading when there is minimal flow enter a zero cutoff value as described below While programming these parameters refer to Figure A 1 in Appendix A Menu Maps Remember to record all programmed data in Appendix C Data Records 1 Press ESC ENTER ESC The meter enters the user program 2 Press X until PROG appears and press ENTER ...

Page 38: ... programmed data in Appendix C Data Records Set Transducer Signal Settings SIGNL Use this option to set the limits for the incoming signal and other parameters affecting the transducer signal For example the programmed signal strength low limit may be used to determine the trigger point for an alarm Caution The SIGNL default settings are suitable for most applications Consult the factory before ch...

Page 39: ... than the programmed VELOCITY LOW LIMIT value See Chapter 5 Error Codes for a discussion of error codes Velocity High Limit 328 to 328 ft sec 100 to 100 m sec 40 0 ft sec 12 m sec The E3 VELOCITY RANGE error messages appears when the calculated fluid velocity exceeds the programmed VELOCITY HIGH LIMIT value See Chapter 5 Error Codes for a discussion of error codes Acceleration Limit 0 to 100 ft se...

Page 40: ...gh The transmitter voltage can be set to low or high to reduce power consumption LOW default setting is typically selected for smaller pipes with a single phase fluid The LOW setting is normally sufficient HIGH is usu ally selected for large pipes or liquids with one or more phases Xmit Sample Size 2 4 8 16 or 32 8 Both upstream and downstream transducers transmit ultrasonic pulses in bursts which...

Page 41: ... X until the desired channel appears Press ENTER at CH1 or CH2 4 Press X until SETUP appears and press ENTER 5 Press X until AVRG appears and press ENTER 6 Press W and X to select the response and press ENTER For best results select STATS statistics This increases the response time under steady flow conditions while still allowing a rapid response time to changes in flow rate Procedure Options Aft...

Page 42: ...pleting the above steps the user program returns to the SET UP window Do one of the following To continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu To leave the user program press ESC four times Using Advanced Features ADVAN This option enables you to access the more advanced features of the meter In this option you can do the following KV SS calculate the k...

Page 43: ...s ENTER 8 Enter the signal strength value 50 0 to 85 0 by using the arrow keys Press W and X to move the cursor to desired location and press S and T to increase or decrease the number and press ENTER IMPORTANT You must enter the KV vs SS pairs in descending order of KV and ascending order of SS For example if pair 1 is KV 10 centistokes and SS 62 then pair 2 must be KV 10 centistokes and SS 62 9 ...

Page 44: ...ess ENTER Note If you select NO go to Procedure Options on page 2 20 8 Press X to select the type of value to customize velocity or reynolds value and press ENTER 9 Press X to select whether to edit the table and press ENTER Note If you select NO go to Procedure Options on page 2 20 10 Enter the number of K factors 2 to 20 in the table by using the arrow keys Press W and X to move the cursor to de...

Page 45: ...ired channel appears Press ENTER at CH1 or CH2 4 Press X until SETUP appears and press ENTER 5 Press X until ADVAN appears and press ENTER 6 Press X until MASS appears and press ENTER 7 Press X to select whether to activate or deactivate mass flow mass flow is calculated from a static density and press ENTER Note If you select NO go to Procedure Options below 8 Enter the fluid density by using the...

Page 46: ...ter code length and press ENTER Automatic the meter will determine the code length short or long automatically based on pipe size and transducer type Short Code is only a few pulses with no code pattern built in In some cases the diameter of the pipe is too small which does not give each transducer the necessary time to send a series of signals before receiving a series of signals Short is also a ...

Page 47: ...ing the arrow keys Press W and X to move the cursor to desired location and press S and T to select the desired letter space symbol and press ENTER Selecting the System Units 1 Press X to select the system units and press ENTER For single channel units go to step 6 on page 2 23 For 2 channel path units proceed with the following steps 2 Press X to select the volumetric units for the flow rate disp...

Page 48: ...At the GATE OPTION prompt press X to select one of the following and press ENTER RESET the meter resets totals to zero for both channels and then immediately begins to accumulate again HOLD the meter holds totals at the current point for both channels The meter will not accumulate as long as the switch remains closed This option is typically used for calibration 7 Do one of the following If MASS F...

Page 49: ...to select the desired units for the totalized mass flow rate display and press ENTER The available units for this prompt are determined by the selection made at SYSTEM UNITS on the previous page 5 Press W and X to select the desired number of digits to the right of the decimal point in the totalized mass flow rate display and press ENTER Procedure Options After completing the above steps the meter...

Page 50: ...ror Handling ERROR This menu option lets you set how the AT868 will handle the outputs for measurements and average two path measurements during an error condition See Chapter 5 Error Codes for a discussion of the built in error codes Use the steps below to select error handling options 1 Press ESC ENTER ESC The meter enters the user program 2 Press X until PROG appears and press ENTER 3 Press X u...

Page 51: ... good reading Holds last good reading and continues to totalize based on that reading NO UP Stops totalizing Table 2 5 Error Options and Responses for a 2 Channel Path Meter When Measuring Display Response Totalizer Response When Error Handling is HOLD LOW HIGH HHIGH CH1 or CH2 vel vol etc Holds last good reading Holds last good reading and continues to totalize based on that good reading Stops to...

Page 52: ...mpt are listed in Table 2 6 below Procedure Options After completing the above steps the user program returns to the Global I O window Do one of the following To continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu To leave the user program press ESC four times Table 2 6 2 Path Error Response Options Option Display Response Totalizer Response NO Displays the a...

Page 53: ...enters the user program 2 Press X until PROG appears and press ENTER 3 Press X until GLOBL appears and press ENTER 4 Press X until I O appears and press ENTER 5 Press X until OPTN appears and press ENTER 6 Press X to select A or C and press ENTER Setting Up the Analog Output Scale 1 Press X to select the desired output scale and press ENTER 2 Do one of the following If you selected OFF the meter r...

Page 54: ...e number and press ENTER 7 At Error handling press X to select the desired option for handling errors HOLD LOW HIGH or OTHER and press ENTER 8 If OTHER is selected the Forced milliamps display appears This allows the user to impose a set value for this option Enter the desired forced milliamps by using the arrow keys Press W and X to move the cursor to desired location and press S and T to increas...

Page 55: ...t B and D can be configured independently Typically Output B is used for Channel 1 and Output D is used for Channel 2 however outputs can be configured to measure either channel 1 Press ESC ENTER ESC The meter enters the user program 2 Press X until PROG appears and press ENTER 3 Press X until GLOBL appears and press ENTER 4 Press X until I O appears and press ENTER 5 Press X until OPTN appears an...

Page 56: ...d location and press S and T to increase or decrease the number and press ENTER 6 At FULL enter a value for the high end of the output range 2 000 000 to 2 000 000 by using the arrow keys Press W and X to move the cursor to desired location and press S and T to increase or decrease the number 7 At FULL SCALE FREQU enter a value for the full scale of the output between 10 to 100 000 by using the ar...

Page 57: ...inimum pulse on time between 50 µsec and 500 000 µsec for the frequency of the totalizer pulses and press ENTER Press W and X to move the cursor to desired location and press S and T to increase or decrease the number Note A complete pulse consists of equal amounts of ON and OFF times Choose a value that is compatible with the counter to be used 6 At UNITS PULSE enter a value for the number of mea...

Page 58: ...munications port 1 Press ESC ENTER ESC The meter enters the user program 2 Press X until PROG appears and press ENTER 3 Press X until GLOBL appears and press ENTER 4 Press X until COMM appears and press ENTER 5 Enter a meter address between 1 and 254 by using the arrow keys Press W and X to move the cursor to desired location and press S and T to increase or decrease the number The default number ...

Page 59: ...utput can be configured the AT868 must be connected to a PC using the serial port see Wiring the Serial Port on page 1 9 Use the following steps to configure the output 1 Open the SITE EDIT MENU from the CALIBRATION TEST menu 2 Select Hardware Test 3 Select SET TOT FREQ 4 Use the pull down menu to select the desired output frequency or totalizer and press Next Item Enter 5 To leave the user progra...

Page 60: ...Chapter 3 ...

Page 61: ...Displaying Data Introduction 3 1 Adjusting LCD Contrast and Brightness 3 1 Setting Up the Display 3 2 Resetting Totals 3 3 Taking Measurements 3 4 ...

Page 62: ...rd see Figure 3 1 below To make LCD adjustments complete the following steps 1 Loosen the six set screws to remove the front cover 2 With power still applied to the meter carefully use a small screwdriver to adjust the LCD brightness Turning the BKLT backlight pot fully clockwise yields maximum brightness 3 In a similar manner adjust the CONT contrast pot to set the LCD contrast as desired At eith...

Page 63: ... channel path option and press ENTER 3 At Measurement Name press X to select the desired parameter and press ENTER Note The measurement units that appear in these prompts are those selected in the GLOBL SYSTM menu as described in Chapter 2 Programming Site Data The previous two prompts repeat until all of the specified of LCD PARAMS have been set up Proceed to Procedure Options below Procedure Opt...

Page 64: ...ES or NO and press ENTER If you select YES the AT868 resets the totals for both channels If you select NO the totals continue 4 To leave the User Program press ESC Resetting Totalizers Using PanaView Refer to Figure F 4 on page F 4 in Appendix F PanaView for IDM Combatible Meters 1 Open the System menu 2 Select Clear Instrument Totalizers 3 PanaView automatically clears the totalizers and exits th...

Page 65: ...is not available via the meter keypad refer to Figure F 4 on page F 4 in Appendix F PanaView for IDM Combatible Meters Pausing the Measurement Display 1 Open PAUSE MEASUREMENT from the Edit Functions menu 2 Select Stop Measurement 3 PanaView automatically stops taking measurements and exits the Edit Functions menu Restarting the Measurement Display 1 Open PAUSE MEASUREMENT from the Edit Functions ...

Page 66: ...Chapter 4 ...

Page 67: ...Calibration Introduction 4 1 Calibrating and Testing Analog Outputs 4 1 Testing Output Linearity 4 3 Testing Totalizer Frequency Outputs 4 4 ...

Page 68: ...r channel Both the zero point and full scale values for these outputs must be calibrated Once they are calibrated the linearity should be tested Note The zero point of the analog output 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 Preparing for Calibration Prepare for calibration by...

Page 69: ...ABORT to end calibration and contact the factory for assistance Calibrating the High End of the Analog Output 1 Press X to select 20 mA and press ENTER 2 Press X to view the options to adjust the 20 mA reading and press ENTER 3 When the desired reading is achieved select STORE If the ammeter reading cannot be adjusted with 5 0 µA of the 4 mA setting select ABORT to end calibration and contact the ...

Page 70: ...dings are not with 5 µA of the values listed in Table 4 1 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 factory for assistance 8 Repeat Step 2 but enter a different output 0 100 Check the ammeter reading at this setting and press ENTER when done Procedure Options After completing th...

Page 71: ...tput 1 Press ESC ENTER ESC The meter enters the user program 2 Press X until CALIB appears and press ENTER 3 Press X until SLOT0 appears and press ENTER 4 Press X until B or D appears and press ENTER 5 Enter the desired pulse width in µsec Press W and X to move the cursor to desired location and press S and T to increase or decrease the number and press ENTER 6 Enter the number of pulses Press W a...

Page 72: ...Chapter 5 ...

Page 73: ... Sound Speed Error 5 2 E3 Velocity Range 5 2 E4 Signal Quality 5 2 E5 Amplitude Error 5 2 E6 Cycle Skip Accel 5 3 E7 Analog Out Error 5 3 E8 Unassigned 5 3 E9 Totalizer Overflow 5 3 E10 Unassigned 5 3 E11 Unassigned 5 3 E12 Unassigned 5 3 E13 Volumetric Overflow 5 3 ...

Page 74: ...splay screen during operation of the Model AT868 refer to the appropriate section of this chapter for instructions on how to proceed E0 No Error Problem No error condition currently exists Cause This message appears briefly to confirm that the response to another error message has corrected the problem Action No action is required E1 Low Signal Problem Poor ultrasonic signal strength or the signal...

Page 75: ... into the SETUP SIGNL submenu as described on page 2 13 Refer to Chapter 6 Diagnostics to correct any flowcell and or transducer problems E4 Signal Quality Problem The signal quality is outside the limits programmed in the SETUP SIGNL submenu of the User Program Cause The peak of the upstream or downstream correlation signals has fallen below the correlation peak limit as set in the SETUP SIGNL su...

Page 76: ...utput load is 600 ohms for the analog outputs Check wiring E8 Unassigned E9 Totalizer Overflow Problem The 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 or decrease PULSE ON TIME E10 Unassigned E11 Unassigned E12 Unassigned E13 Volumetric Overflow Problem This error cod...

Page 77: ...Chapter 6 ...

Page 78: ...Diagnostics Introduction 6 1 Displaying Diagnostic Parameters 6 1 Using the Tracking Window 6 4 Diagnostic Record 6 5 Flowcell Problems 6 6 Transducer Problems 6 8 ...

Page 79: ...ese parameters do the following refer to Figure A 2 on page A 2 in Appendix A Menu Maps Accessing the Display Submenu 1 Press ESC ENTER ESC The meter enters the user program 2 Press X until PROG appears and press ENTER 3 Press X until GLOBL appears and press ENTER 4 Press X until I O appears and press ENTER 5 Press X until LCD appears and press ENTER Configuring the Display 1 At of LCD PARAMS pres...

Page 80: ...transit time N A N A DELTA Displays the transit time difference between the upstream and downstream signals 1 µsec 1 µsec REYN Displays the Reynolds number K RE K factor based on the Reynolds number N A N A PEAK Displays the percentage of peak set to 50 by default N A N A THETA Theta 3 is the angle between the ultrasonic beam and the normal to the pipe wall It is calculated from the measured trans...

Page 81: ...t itself and will begin to display the parameters specified in this section If more than one parameter was set up each of the parameters will be displayed in sequence with a pause of several seconds between display changes NFup Displays the normalization factor for the upstream transducer 0 85 1 0 0 85 NFdn Displays the normalization factor for the downstream transducer 0 85 1 0 0 85 Cxdcr Display...

Page 82: ...R 5 Press X until I O appears and press ENTER 6 Press X until LCD appears and press ENTER Configuring the Display 1 At of LCD PARAMS press X to select the desired number of parameters to be sequentially displayed and press ENTER For a 1 channel path AT868 proceed to Step 3 For a 2 channel path meter proceed to Step 2 2 Press X to select the desired channel path option and press ENTER 3 At Measurem...

Page 83: ...d speed and press ENTER Press W and X to move the cursor to desired location and press S and T to increase or decrease the number and press ENTER 3 Press ESC three times to exit the User Program 4 The AT868 returns to making measurements If desired reconfigure the display to show the desired measurement as discussed on the previous page Diagnostic Record The values for the diagnostic parameters im...

Page 84: ... absorb or disperse the ultrasound signals This interference with the ultrasound transmissions through the fluid will cause inaccurate flow rate measurements In addition temperature gradients in the fluid flow may result in erratic or inaccurate flow rate readings 2 The fluid must not cavitate near the flowcell Fluids with a high vapor pressure may cavitate near or in the flowcell This causes prob...

Page 85: ...er 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 other factors that may cause inaccurate readings Refer to Chapter 2 Programming Site Data for instructions on programming the pipe data In addition to the actual pipe dimensions the path length P and the axial ...

Page 86: ...ducer 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 transducer damaged in this manner must be replaced Contact the factory for information on transducers in materials suitable for the application 3 INTERNAL DAMAGE An ultrasonic transducer consists of a ceramic crystal bo...

Page 87: ...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 damaged by the same conditions The internal wiring can be corroded or shorted if contaminants enter the transducer housing 4 PHYSICAL DAMAGE Transducers may be physically damaged by dropping them onto a hard surface ...

Page 88: ...Chapter 7 ...

Page 89: ...Parts Replacement Introduction 7 1 Replacing the LCD Display Keypad 7 2 Replacing the Fuse 7 3 Replacing the User Program 7 4 ...

Page 90: ... 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 AT868 Use Figure 7 1 on page 7 7 and Figure 7 2 on page 7 8 to locate the relevant components while comple...

Page 91: ...raight upward until it comes free from the Channel 1 board below it 5 Disconnect the keypad ribbon on the board below by sliding the tabs on the connector upward and pulling the ribbon cable out Installing a New LCD Keypad Board 1 Insert the keypad ribbon from the new board into the connector and re lock the connector by sliding the tabs downward Make sure the cable is not twisted 2 Place the new ...

Page 92: ... cover off the fuse holder and remove the old fuse 6 Obtain a new fuse of the same rating and type Use only a type 3AG 1 1 4 x 1 4 Slo Blo fuse having a rating as indicated in Table 7 1 below 7 Press the new fuse into the fuse holder and reinstall the plastic fuse cover 8 Be sure to record the fuse replacement in Appendix E Service Record 9 Replace the mounting plate and the four screws Tighten th...

Page 93: ...in power to the Model AT868 must be disconnected before proceeding 2 Loosen the six set screws on the front cover Remove the front cover 3 Remove the plastic shroud by removing the two screws that hold it in place 4 Remove the four mounting screws on the LCD keypad board Make sure you remove the flat and lock washers with the screws 5 Grasp the LCD keypad board by the side edges and carefully pull...

Page 94: ...OM into the socket until it is fully seated Do not strike the EPROM or apply excessive force during this procedure Reassembling the Unit 1 Replace the Channel 1 board To do this carefully align the pins along the back of the board with the connectors on the Channel 2 board Firmly press the Channel 1 board down until all of the connectors are completely seated 2 Secure the Channel 1 board by replac...

Page 95: ...ure may cause electrical problems Note Be sure to enter a complete and detailed account of any parts replacement performed on the Model AT868 in Appendix E Service Record To purchase the parts mentioned in this chapter or any items not specifically discussed contact the factory for assistance To make sure the proper components are obtained be sure to specify the serial number of the Model AT868 at...

Page 96: ...r 2004 Parts Replacement 7 7 Figure 7 1 Electronics Console Front View with and without cover FREQ2 AOUT2 ESC ENTER 85 265 VAC 50 60HZ 1 4A DN2 UP2 S R R S E5 E9 Set Screw 6 Places Mounting Plate Screw 4 Places ...

Page 97: ...sole Interior side and front views FREQ2 AOUT2 ESC ENTER 85 265 VAC 50 60HZ 1 4A DN2 UP2 S R R S E5 E9 Fuse EPROM PCB Standoff Typical Mounting Screw 4 Places LCD Keypad Assy LCD Keypad Assy Channel 2 PCB Channel 1 PCB Mounting Screw 2 Places Plastic Shroud CH1 PCB ...

Page 98: ...Chapter 8 ...

Page 99: ...Specifications General Specifications 8 1 Electrical Specifications 8 2 Transducer Specifications 8 4 Pipe Size and Materials 8 5 Tilted Diameter Spoolpiece 8 6 ...

Page 100: ...ding Accuracy specifications assume a fully developed flow profile and a straight run of 10 pipe diameters upstream and 5 pipe diameters downstream Pipe Diameter ID 6 in 150 mm Velocity 1 ft s 0 3 m s 2 typical 0 5 to 1 with calibration Velocity 1 ft s 0 3 m s 0 03 ft s 0 01 m s typical Pipe Diameter ID 6 in 150 mm Velocity 1 ft s 0 3 m s 2 to 5 typical Velocity 1 ft s 0 3 m s 0 03 ft s 0 01 m s t...

Page 101: ...ent parameters in sequence Digital Communications Standard RS232 serial port for PC terminal or printer Optional RS485 serial port for PC terminal or printer Analog Outputs 1 isolated 0 4 20 mA 600 Ω max load 1 pulse totalizer frequency output optically isolated 3 A max 100 VDC max 1 W max from 0 1 to 10 kHz Totalizer 1 pulse per defined unit of parameter e g 1 pulse gal Frequency pulse frequency ...

Page 102: ... minute hour Megaliters per day Totalizer forward and reverse Cubic feet ft3 Million cubic feet ft3 Gallons gal Million of gallons Barrels Millions of barrels Acre inches Acre feet Cubic meters m3 Million cubic feet ft3 Liters L Megaliters Barrels Megabarrels Certifications EMC Directive 89 336 EEC and 73 23 EEC Low Voltage Directive Installation Category II Pollution Degree II For EN 61000 4 3 pr...

Page 103: ... Standard 316 SS Optional for isolating PanAdapta Plugs Titanium Hastelloy Monel CPVC PVDF and others Conduit Connections 1 in NPTM or 3 8 in NPTM Process Connections Standard 1 in NPTM or 3 8 in NPTM Optional RF flanged socket weld fuse bond others Mounting Spoolpiece hot tap or cold tap Housing Standard None splashproof Optional Explosion proof Div 1 Class 1 Group C D INIEX Certified EEx d IIC T...

Page 104: ...d IIC T6 or weatherproof NEMA 4 IP65 Other Options Transducers for special applications fixtures no organic bonds or insulators cooling jackets for high temperatures Please consult GE Infrastructure Sensing for details Pipe Size and Materials Wetted Transducers Materials All metals and most plastics Consult the factory for concrete glass and cement Pipe Sizes Inside Diameter 0 04 to 200 in 1 mm to...

Page 105: ...ns Standard Straight welding 150 lb flanged 300 lb flanged and higher Optional MJ Victaulic RTJ flanged or cold tap Wetted Transducer Connections Standard 1 in NPTM for 6 in sizes and 3 8 in NPTM for 2 to 5 in sizes Optional Flanged hybrid design PanAdaptaTM Plug for isolation saddle or insertion mechanism Interrogation Standard Conventional 45o tilted diameter one or more traverse Optional Mid ra...

Page 106: ...Appendix A ...

Page 107: ...Menu Maps The CHx ACTIV SYSTM PIPE and I O Menu Map A 1 The GLOBL Menu Map A 2 The CHx SETUP Menu Map A 3 The RESET and CALIB Menu Map A 4 ...

Page 108: ...MASS TOTALS English MASS DECIMAL DIGITS 0 1 2 3 PIPE TRANSDUCER NUMBER SPEC STD SHEAR RAYL WETTD 2MHz 1MHz 500k 5MHz SPECIAL TRANSDUCER WEDGE TYPE FREQUENCY PLSTC CuNI GLASS OTHER A1 PIPE MATERIAL IRON Cu BRASS STEEL CARBN SS DUCT CAST 10 Ni PYREX 30 Ni FLINT CROWN NYLON POLYP POLYE PVC ACRYL in PI PATH LENGTH P AXIAL LENGTH L inch feet feet PIPE OD inch ft PI inch feet PIPE WALL PIPE SOUNDSPEED W...

Page 109: ...PTN ERROR I O 1 Channel ERROR HANDLING D A C OFF 0 20m 4 20m CH1 AVE SUM CH2 DIF appears only for a 2 Channel meter Channel TOTAL Measurement Name VEL VOLUM TOTL TOTL TIME MASS MDOT DIAG MASS BASE all diagnostic parameters appear here FULL LOW HOLD OTHER HIGH Error Handling Forced milliamps MASS VOLUM Measurement Name Channel HOLD MDOT VEL CH1 CH2 OFF B OTHER HIGH LOW Error frequency all diagnosti...

Page 110: ... VELOCITY HIGH LIMIT VELOCITY LOW LIMIT SOUNDSPEED LIMIT COR PEAK LIMIT SIGNAL LOW LIMIT 32 Max Peak Min Peak of Errors XMIT SAMPLE SIZE 2 RESPONSE TIME 1 30 60 10 5 15min STATS AVRG INIT NO YES Press YES to Default YES NO Mass from Static MASS Fluid Density Xmit Code Length AUTO SHORT CODEL LONG Custom Type Activate Multi K NO YES MULTK CstR CstV NO YES of KVSS pairs KV SS Sig Strength Kin Viscos...

Page 111: ...ALIB Menu Map ESC ENTER ESC PROG RESET CALIB To enter the User Program press 4 mA ANALOG OUTPUT UP DOWN 20 mA STORE ABORT SLOT0 YES NO RESET TOTALS Totals are Reset Totals are NOT Reset Cal EXIT TEST Full Scale A or C B or D PULSES TIME usec Slot 0 Outputs ...

Page 112: ...Appendix B ...

Page 113: ...CE Mark Compliance Introduction B 1 EMC Compliance B 1 LVD Compliance B 2 ...

Page 114: ...nduit plugs or equivalent Note If the instructions in this appendix are followed the unit will comply with the EMC Directive 89 336 EEC Table B 1 Wiring Modifications Connection Cable Type Termination Modification Transducer RG62 a u Add metallic cable clamp from braid to chassis ground Armored RG62 a u or conduit Terminate RG62 a u shield to chassis ground Input Output 22 AWG Shield e g Baystate ...

Page 115: ...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 AT868 Note If the instructions in this appendix are followed the unit will comply with the Low Voltage Directive 73 23 EEC Figure B 1 Example of CE Wired AT868 Figure B 2 Enlargement of B 1 ...

Page 116: ...Appendix C ...

Page 117: ...Data Records Site Data C 1 ...

Page 118: ...Dec Dig Tot Dec Dig Global Input Output Error Handling Error Handling 2 Path Error No Yes Global Communications Meter Address Baud Rate Channelx Status Channel 1 Channel 2 if applicable Channel Status Off1 Transit Channel Status Off1 Transit Channelx System Channel 1 Channel 2 if applicable Channel Label Channel Label Chan Message2 Chan Message2 Vol Units Vol Units Vol Dec Digits Vol Dec Digits To...

Page 119: ... On and Wetted Transducers Pipe O D Pipe O D Pipe Wall Pipe Wall Path Length P Path Length P Axial Length L Axial Length L Lining Yes No Lining Yes No Lining Material Lining Material Lining Sndspd Lining Sndspd Lining Thickness Lining Thickness Track Window Yes No Track Window Yes No Fluid Type Fluid Type Other Sndspd Other Sndspd of Water of Water Reynolds Corr Off Active Reynolds Corr Off Active...

Page 120: ...ow Amp Disc High Amp Disc High Delta T Offset Delta T Offset of Peak of Peak Trans Voltage Trans Voltage Xmit Sam Size Xmit Sam Size of Errors of Errors Min Peak Min Peak Max Peak Max Peak Channelx SETUP V Averaging Response Time Response Time Channelx SETUP Advanced Features Enter KV SS Table KV SS Pairs KV SS Pairs Sig Stren Kin Visc Sig Stren Kin Visc 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 1...

Page 121: ... Type CstV CstR K Factor Table K Factor Table K Factor Vel Reyn K Factor K Factor Vel Reyn K Factor 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 Channelx SETUP Advanced Features Mass Flow from Static Mass Flow No Yes Mass Flow No Yes Fluid Density Fluid Density Channelx SETUP Advanced Features Code Length Code Length Auto Short Long Code Len...

Page 122: ...Appendix D ...

Page 123: ...Measuring P and L Dimensions Measuring P and L D 1 ...

Page 124: ...of P in the flow stream To determine L physically measure the distance between the center of the transducer ports at the inside wall as shown in Figure D 1 below if possible If not consult the factory Figure D 1 180o Transducer Installations To determine P you need the following the pipe inside diameter ID the wall thickness WT the installed pipe coupling length CL the transducer face depth FD the...

Page 125: ... pipe or slightly retracted inside the coupling Figure D 2 Determining the Pipe Coupling Length Use the following formula to determine the P dimension ID 2 WT cos MA 2 CL FD P Dimension For example given the following inside diameter ID 48 wall thickness WT 3 8 installed coupling length CL 2 0 a transducer face depth FD 1 75 mounting angle MA 45o The P dimension would be 48 2 3 8 0 7071 2 2 0 1 75...

Page 126: ...Appendix E ...

Page 127: ...Service Record Introduction E 1 Data Entry E 1 Diagnostic Parameters E 3 ...

Page 128: ...ervice should be recorded in this appendix An accurate service history of the meter can prove very helpful in troubleshooting any future problems Data Entry Record complete and detailed service data for the Model AT868 in Table E 1 below Make additional copies of the table as needed Table E 1 Service Record Date Description of Service Performed By ...

Page 129: ...September 2004 E 2 Service Record Table E 1 Service Record cont Date Description of Service Performed By ...

Page 130: ...l Current Parameter Initial Current Channel 1 Channel 2 UP Sig Stren UP Sig Stren DN Sig Stren DN Sig Stren Sound speed Sound speed UP Transit UP Transit DN Transit DN Transit Delta T Delta T Reynolds Reynolds K RE K RE PEAK PEAK Theta 31 Theta 31 UP Signal Q UP Signal Q DN Signal Q DN Signal Q UP Amp Disc UP Amp Disc DN Amp Disc DN Amp Disc UP Peak UP Peak DN Peak DN Peak UP Norm F UP Norm F DN N...

Page 131: ...Appendix F ...

Page 132: ... 916 086B Introduction F 1 IDM Compatible Flowmeters F 2 Wiring the RS232 Interface F 2 Starting Up F 2 Setting Up the Communications Port F 3 Adding an IDM Compatible Meter F 5 Editing Meter Properties F 7 Changing Meter Settings F 15 ...

Page 133: ...w you can load and save site file data create and save graph and log files display text output and graphs of live measurement data create custom templates for displaying text graph and log data interface with multiple GE Infrastructure Sensing instruments This document focuses on particular applications suitable for flowmeters that use the GE Infrastructure Sensing PanaView protocol For general Pa...

Page 134: ...erface to communicate with a PC For details on wiring your RS232 interface please refer to the Installation chapter of your instrument s User s Manual and to the document EIA RS Serial Communications 916 054 Starting Up When the above connections have been made power up the meter and the PC then start up PanaView If a message appears as in Figure F 1 below PanaView is not able to communicate with ...

Page 135: ...ith an IDM compatible flowmeter 1 Open the New Meter Browser window and expand the network tree Then highlight the My Computer Name branch by clicking on it 2 Pull down the Edit menu by clicking on it in the menu bar 3 Click on the New menu option to select it and a submenu opens with two choices on it see Figure F 2 below Figure F 2 The Edit Menu ...

Page 136: ...the Protocol menu the first of the drop down menus and click on IDM 6 Select any suitable available baud rate A baud rate of 19 200 is appropriate for almost all applications However if you experience periodic communication reliability problems you may wish to consider lowering the baud rate on your instrument and in PanaView IMPORTANT Be sure all the communications port settings match those made ...

Page 137: ... the Edit menu on the menu bar if the communication port is not highlighted first the New Meter option is not active in the Edit menu 2 Click on the New option in the Edit menu see Figure F 4 below Figure F 4 New Option in the Edit Menu 3 After clicking on the New option the Meter menu option appears Click on this option to select it 4 The New IDM Meter screen shown in Figure F 5 below opens Enter...

Page 138: ...ful the Meter Browser shows a listing similar to Figure F 6 below Figure F 6 The Updated Network Tree However if the settings do not match or there is some other difficulty a screen appears similar to Figure F 7 below Figure F 7 Communication Error Screen The screen offers the options of trying again or of canceling the operation Click on the desired choice and then on OK to confirm the choice or ...

Page 139: ...e it with the PC clock Read plot and save transducer signals Clear totalizers Save site files to the meter or PC Clear sites from the meter Print site files to the PC To edit the properties of your IDM compatible meter 1 Highlight the meter as shown in Figure F 6 on page F 6 2 Open the Edit menu and select the Properties option as shown in Figure F 8 below Figure F 8 The Properties Option in the E...

Page 140: ...ollowing pages Setting the Meter Clock page F 9 Reading Transducer Signals page F 10 Plotting Transducer Signals page F 11 Saving Transducer Signals page F 11 Clearing Totalizers page F 11 Handling Site Files page F 12 Figure F 9 Properties Window for IDM Based Meter Note For illustration purposes the meter shown here is a one channel GN868 flowmeter Specific parameters will vary with your particu...

Page 141: ... enter the time and date in the text box or click on the Sync to PC option button to have PanaView set the time and date to the current PC setting or click on the Set option button to open the dialog box shown in Figure F 10 below Set the desired date and time as indicated and click on the OK option button Figure F 10 Time and Date Selection Window ...

Page 142: ...er is a multi channel instrument open the Channel drop down menu and click on the desired channel After a moment the Properties window appears similar to Figure F 11 below Figure F 11 Active Signal Options in Properties Window 2 To select a different signal type open the signal menu at the right shown here with Raw Upstream highlighted and click on the desired signal ...

Page 143: ...low Figure F 12 Signal Graph Window Saving Transducer Signals To save the raw signal click Save A window opens similar to Figure F 13 below Enter the desired name and click Save to save the signal as a text file Figure F 13 Save As Window Clearing Totalizers To clear the meter totalizers click on the Clear Totalizers button in the Properties window The meter totalizers are reset to 0 ...

Page 144: ...low opens Figure F 14 The Site File Operations Window Saving an Existing Site to the Meter To save an existing site to the meter 1 Select the radio button for Selected and highlight an existing site in the left pane 2 Then click on the Save Site to Meter button A screen opens similar to Figure F 15 below Figure F 15 Site File Selection 3 Highlight the desired site and click Open PanaView sends the...

Page 145: ... site with the desired settings and click Open PanaView saves the site in the meter with the new name and the desired settings Saving a Site to the PC To save a site to the PC 1 Highlight the desired site in the left pane See Figure F 14 on page F 12 2 Click Save Site to PC A window opens similar to Figure F 13 on page F 11 3 Enter the desired site name and click Save PanaView saves the site in th...

Page 146: ...e the data from a site file as a text file for display or printout 1 Highlight the site in the left pane See Figure F 14 on page F 12 2 Click Save Site Print to PC 3 The Site File Selection window opens Figure F 15 on page F 12 Enter the desired site name now with a prt suffix and click Save PanaView displays a text version of the site as shown in Figure F 17 below Figure F 17 Printout of Site Fil...

Page 147: ...n Program and change a meter s operating parameters Set up start and stop logs Calibrate and test inputs and outputs Clear various files To access meter programming 1 Enter the New Meter Browser option from the File menu 2 Expand the network tree until you reach the desired meter 3 Then expand the meter tree as shown in Figure F 18 below Figure F 18 New Meter Browser with Meter Branch ...

Page 148: ...for a one channel GN868 flowmeter Figure F 19 Meter Tree with Edit Functions Option 5 To open a particular menu double click on that menu on the tree For example if you double click on the Site Edit Menu a window opens similar to Figure F 20 below Figure F 20 The Site Edit Menu Window Note The options listed in the left pane correspond to the options available in the GN868 PROGRAM menu For more in...

Page 149: ...numeric value change the value displayed in the right pane Figure F 21 The Pipe Parameters Option in the Site Edit Menu c Do one of the following Click on Next Item to proceed to the next menu item or Click on Previous Item to return back through the menu to a previous item Note If you click on either Next Item or Previous Item without changing the settings the current settings remain unchanged As...

Page 150: ...7 When you have completed entering parameters in a given option click Exit Page to close the option You can then double click on another option or click Close to close the window You can double click on another menu to modify its settings or return to the New Meter Browser For additional PanaView functions refer to the PanaView User s Manual ...

Page 151: ...ucers 1 3 Calibration 4 1 Accessing the Menu 4 2 Menu Map A 4 CE Mark Compliance B 1 Channels 2 2 2 3 Clamp On Transducers 2 6 Code Length 2 21 COMM 2 33 Communication Error F 2 Communications Port Configuring 2 33 Setting Up F 3 F 4 Corrosion Transducers 6 8 Cycle Skip Acceleration Error E6 5 3 D Data Record C 1 Default Setup Reset 2 17 Diagnostics Displaying Parameters 6 1 Service Record E 1 Tab...

Page 152: ...Amplitude Error 5 2 E6 Cycle Skip Acceleration Error 5 3 E7 Analog Output Error 5 3 E8 unassigned 5 3 E9 Totalizer Overflow Error 5 3 Error Handling 2 25 Error Handling Menu Map A 2 Error Message Display 5 1 F Flowcell Installation 1 3 Flowcell Problems Fluid 6 6 Pipe 6 7 Fluid Physical Requirements 6 6 Problems 6 6 Soundspeed 6 4 6 6 Type 2 10 Frequency Output Accessing 2 30 Calibrating 4 4 Confi...

Page 153: ...ter Changing Settings F 15 Editing Properties F 7 Setting the Clock F 9 Multiple K Factors 2 19 MULTK 2 19 N No Error E0 5 1 O OPTN 2 28 Outputs Analog Outputs 1 7 Totalizer Frequency Output 1 8 P P Dimension Measuring D 1 PanaView Applications of F 1 Resetting Totalizers 3 3 Starting Up F 2 Path Length 2 8 Measuring D 1 Pause Measurements 3 4 Menu Map A 2 PIPE 2 5 Pipe Entering Parameters 2 5 Lin...

Page 154: ... 20 Status Menu Map A 1 Step Change Set Response 2 16 System Selecting Units 2 22 System Menu Map A 1 System Global Menu Map A 2 SYSTM 2 22 T Totalizer Clearing F 11 Resetting 3 3 Selecting Units 2 3 Setting Up the Reset Switch 2 23 Totalizer Output Accessing 2 30 Calibrating 4 4 Configuring 2 34 Connecting 1 8 Menu Map A 2 Setting Up 2 28 2 32 Testing 4 4 Totalizer Overflow Error E9 5 3 Totals Re...

Page 155: ... 2 24 Totalizer 2 3 Volumetric 2 3 User Program Data Record C 1 EPROM 7 4 Upgrading 7 4 V Velocity Range Error E3 5 2 Voltage Input 1 4 Volumetric Overflow Error E13 5 3 Volumetric Units 2 3 W Wiring CE Mark Compliance B 1 Z Zero Cutoff Value Entering 2 12 ...

Page 156: ...x 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 ...

Page 157: ... A2 1995 Overvoltage Category II Pollution Degree 2 suivant les régles de la Directive de Compatibilité Electromagnétique 89 336 EEC et de la Directive Basse Tension 73 23 EEC Les matériels listés ci dessus ainsi que les transducteurs pouvant être livrés avec les manchettes faisant l objet d une déclaration de conformité séparée ne portent pas le marquage CE de la directive des équipements sous pr...

Page 158: ...Unmonitored Operation EN 61010 1 1993 A2 1995 Overvoltage Category II Pollution Degree 2 gemäß den Europäischen Richtlinien Niederspannungsrichtlinie Nr 73 23 EG und EMV Richtlinie Nr 89 336 EG Die oben aufgeführten Geräte und zugehörige mitgelieferte Schallwandler Messrohre werden in einer separaten Konformitätserklärung behandelt tragen keine CE Kennzeichnung gemäß der Druckgeräte Richtlinie da ...

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