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dynasonics TFXD Series Operation & Maintenance Manual

Transit time ultrasonic flow meter
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Series TFXD
Transit Time Ultrasonic Flow Meter
Operations & Maintenance
Manual
REV 5/07

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Summary of Contents for dynasonics TFXD Series

  • Page 1 Series TFXD Transit Time Ultrasonic Flow Meter Operations & Maintenance Manual REV 5/07...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Pages Quick-Start Operating Instructions 1.3-1.5 Part 1 - Introduction Introduction General Applications Product Matrix Product Specifications Connections Transmitter Installation 1.9-1.10 and Wiring Transducer and Power Connections 1.11-1.14 Input/Output Connections General 1.15 4-20 mA Output 1.16 Dual Control Relays 1.17 Rate Pulse Output 1.18...
  • Page 4 TABLE OF CONTENTS Pages Part 3 - General Programming Information 3.1-3.2 Programming BASIC MENU 3.3-3.13 OUTPUT MENU 3.14-3.21 SENSOR MENU 3.22 SECURITY MENU 3.22 SERVICE MENU 3.23-3.28 Liquid Sound Speed 3.23 Signal Strength 3.23 Temperature Values 3.25 Setting ZERO Flow 3.27 Correction Factor Entry 3.28...

  • Page 5: Quick-Start Operating Instructions

    QUICK-START OPERATING INSTRUCTIONS This manual contains detailed operating instructions for all aspects of the TFX instrument. The following condensed instructions are provided to assist the operator in getting the instrument started up and running as quickly as possible. This pertains to basic operation only.
  • Page 6 In general, it is not recommended to add additional cable to the cable supplied with the DTTN, DTTH or DTTS transducers. If additional cable is required, contact the Dynasonics factory to arrange an exchange for a transducer with the appropriate length of cable.
  • Page 7 QUICK-START OPERATING INSTRUCTIONS DTTS Transducers A. Place the flow meter in signal strength measuring mode. This value is available on the TFXD2 display (Service Menu) ™ or in the Data display of the UltraLink software utility. B. The pipe surface, where the transducers are to be mounted, must be clean and dry.

  • Page 8: General

    PART 1 - INTRODUCTION General The TFXD ultrasonic flow meter is designed to measure the fluid velocity of liquid within closed conduit. The transducers are a non- contacting, clamp-on or clamp-around type, which will provide benefits of non-fouling operation and ease of installation. The TFX family of transit time flow meters utilize transducers that function as both ultrasonic...

  • Page 9: Product Matrix

    The serial number and complete model number of the TFX is Product located on the inside of the transmitter’s front cover. Should Identification technical assistance be required, please provide the Dynasonics Customer Service Department with this information. Product Matrix Transmitter Rev. 5/07 -1.7-...

  • Page 10: Product Specifications

    PART 1 - PRODUCT SPECIFICATIONS TRANSMITTER Power Requirements 115/230 VAC 50/60 Hz ±15% at 5 VA max or 10-28 VDC at 3.0 W Velocity Range -40 to +40 FPS [-12 to +12 MPS] Input/Output Bays Options All modules optically isolated from earth and system ground 4-20 mA 800 Ohm max;...

  • Page 11: Transmitter Installation

    In general, it is not recommended to add additional cable to the cable supplied with the DTTN, DTTH or DTTS transducers. If additional cable is required, contact the Dynasonics factory to arrange an exchange for a transducer with the appropriate length of cable.
  • Page 12 PART 1 - TRANSMITTER INSTALLATION Figure 1.2 TFX Transmitter Installation Dimensions Rev. 5/07 -1.10- TFXD...

  • Page 13: Transducer And Power Connections

    In general, it is not recommended to add additional cable to the cable supplied with the DTTN, DTTH or DTTS transducers. If additional cable is required, contact the Dynasonics factory to arrange an exchange for a transducer with the appropriate length of cable.
  • Page 14 PART 1 - TRANSDUCER AND POWER CONNECTIONS NOTE: This instrument requires clean electrical line power. Do not operate this unit on circuits with noisy components (i.e., fluorescent lights, relays, compressors, or variable frequency drives). It is recommended not to run line power with other signal wires within the same wiring tray or conduit.
  • Page 15 PART 1 - TRANSDUCER AND POWER CONNECTIONS AC Power 1. Verify that the jumpers at JP3 are properly oriented for the power supply. Verify that the jumpers at JP1 and JP2 are not present. Supply 2. Connect L1, L2 and earth to the terminals referenced in Figure 1.3 on page 1.12.
  • Page 16 PART 1 - TRANSDUCER AND POWER CONNECTIONS DC Power DC POWER CONNECTIONS Supply The TFX may be operated from a 9-28 Vdc source, as long as the source is capable of supplying a minimum of 3 Watts. 1. Verify that the jumpers are properly placed. See the wiring diagram located on the inside door of the TFX enclosure or see Figure 1.3 on page 1.12.

  • Page 17: Input/Output Connections

    PART 1 - INPUT/OUTPUT CONNECTIONS General The TFXD utilizes ISO-MODs for input and output functions. ISO- MODs are epoxy encapsulated electronic input/output modules that are simple to install and replace in the field. See Figure 1.6. All modules are 2,500 V optically isolated from TFXD power and earth grounds.

  • Page 18: Ma Output

    PART 1 - INPUT/OUTPUT CONNECTIONS 4-20 mA The 4-20 mA Output Module interfaces with most recording and Output logging systems by transmitting an analog current signal that is proportional to system flow rate. The 4-20 mA ISO-MOD may be configured via jumper selections for either an internally powered mode (current sourcing) Figure 1.7A or externally powered mode (current sinking) Figure 1.7B.
  • Page 19 PART 1 - INPUT/OUTPUT CONNECTIONS be sufficient to power the module and drive the loop load. The loop loss attributed to the ISO-MOD is 7 Vdc, so the minimum voltage required to power a loop can be calculated using the following formula: Loop voltage (min) = (loop load Ohms x 0.02) + 7 Two independent SPDT (single-pole, double-throw) Form C relays Control...

  • Page 20: Rate Pulse Output

    PART 1 - INPUT/OUTPUT CONNECTIONS Rate Pulse The Rate Pulse Output Module is utilized to transmit information to external counters and PID systems via a frequency output that is proportional to system flow rate. The frequency output range of the Rate Pulse Module is 0–2,500 Hz.

  • Page 21: Rs232C

    PART 1 - INPUT/OUTPUT CONNECTIONS RS232C The RS232C Module will interface with the serial communication ports of PCs, PLCs and SCADA systems that are used to monitor flow rate information in piping systems. A proprietary digital communications protocol is used for this communication. explanation of the command structure is detailed in the Appendix of this manual.

  • Page 22: Rs485

    PART 1 - INPUT/OUTPUT CONNECTIONS RS485 The RS485 Module allows up to 128 TFX systems to be placed on a single three-wire cable bus. All meters are assigned a unique one byte serial number that allows all of the meters on the cable network to be independently accessed.

  • Page 23: Data Logger

    PART 1 - INPUT/OUTPUT CONNECTIONS Data Logger The 200,000 event data logger/electronic stripchart recorder can be configured to match most user applications. The logger stores time- stamped, high resolution (16-bit) data at user selected intervals ranging from 1 to 1,000 seconds. Configuration of and data retrieval from the logger are detailed in Sections 3 and 4 of this manual.

  • Page 24: Heat Flow

    (see Figure 1.13). If the module is not configured for the appropriate temperature range for the installation, please contact the Dynasonics factory to arrange for a replacement. Module Temperature Range D020-1045-106 -40 to +200 °C [-40 to +400 °F]...
  • Page 25 RTDs and the wires be marked so that they may be returned to their respective terminals – retaining the factory calibration. Dynasonics offers two types of RTDs: SURFACE MOUNT RTDS D010-3000-102 set of two, 130 °C Maximum Temperature D010-3000-105 set of two, 200 °C Maximum Temperature...

  • Page 26: Startup And Configuration

    PART 1 - STARTUP AND CONFIGURATION Before NOTE: The TFX flow meter system requires a full pipe of liquid before a successful startup can be completed. Do not attempt to Starting the make adjustments or change configurations until a full pipe is Instrument verified.

  • Page 27: Part 2 - General

    TFXD transmitters with an RTD ISO-MOD module installed require either one or two RTDs to measure heat flow (one RTD) or heat usage (two RTDs). The Dynasonics flow meter utilizes 1,000 Ohm, three-wire, platinum RTDs in two mounting styles. Surface mount RTDs are available for use on well insulated pipe.

  • Page 28: Mounting Location

    PART 2 - TRANSDUCER & RTD INSTALLATION 1. Mounting Location The first step in the installation process is the selection of an optimum location for the flow measurement to be made. For this to be done effectively, a basic knowledge of the piping system and its plumbing is required.

  • Page 29: Transducer Spacing

    PART 2 - TRANSDUCER & RTD INSTALLATION 2. Transducer Spacing TFX transit time flow meters are sold with three different transducer types: DTTN, DTTH and DTTS. Meters that utilize DTTN and DTTH transducers consist of two separate sensors that function as both ultrasonic transmitters and receivers.
  • Page 30 PART 2 - TRANSDUCER & RTD INSTALLATION Table 2.1 Straight Pipe Requirements Rev. 5/07 - 2.4 - TFXD...
  • Page 31 PART 2 - TRANSDUCER & RTD INSTALLATION Table 2.2 Transducer Mounting Modes – DTTN / DTTH Transducer Pipe Material Pipe Size Liquid Composition Mounting Mode Plastic (all types) 2-4 in (50-100 mm) Low TSS; non-aerated Carbon Steel 2-4 in (50-100 mm) Low TSS;...
  • Page 32 PART 2 - TRANSDUCER & RTD INSTALLATION Table 2.3 Transducer Mounting Modes – DTTS Mounting Mounting Size Frequency Transducer Size Frequency Transducer Mode Mode DTTSnP DTTSnP 2 MHz DTTSnC 1-1/4 2 MHz DTTSnC DTTSnT DTTSnT DTTSnP DTTSnP 2 MHz DTTSnC 1-1/2 2 MHz DTTSnC...
  • Page 33 PART 2 - TRANSDUCER & RTD INSTALLATION Important! The following of information is required before programming the instrument. Enter all of the data on Note that much of the data relating to material sound speed, this list, save viscosity and specific gravity are preprogrammed into the TFXD flow the data meter.
  • Page 34 PART 2 - TRANSDUCER & RTD INSTALLATION 3. Transducer Mounting After selecting an optimal mounting location (Step 1) and successfully determining the proper transducer spacing (Step 2), the transducers may now be mounted onto the pipe. Pipe Before the transducers are mounted onto the pipe surface, two areas slightly larger than the flat surface of the transducer heads Preparation must be cleaned of all rust, scale and moisture.
  • Page 35 PART 2 - TRANSDUCER & RTD INSTALLATION V-Mount and W-Mount Installation Application of 1. For DTTN transducers, place a single bead of couplant, approximately 1/2 inch [12 mm] thick, on the flat face of the Couplant transducer. See Figure 2.2. Generally, a silicone-based grease is used as an acoustic couplant, but any grease-like substance that is rated not to “flow”...
  • Page 36 PART 2 - TRANSDUCER & RTD INSTALLATION Transducer 4. If after adjustment of the transducers the signal strength does not rise to above 5 percent, then an alternate transducer Position mounting method should be selected. If the mounting method was W-Mount, then reconfigure the TFXD for V-Mount, reset the TFXD, move the downstream transducer to the new location and repeat Step 3 on page 2.9.
  • Page 37 PART 2 - TRANSDUCER & RTD INSTALLATION Figure 2.4 High Signal Strength Condition DTTH DTTH High Temperature Transducers Transducers Mounting of high temperature transducers is similar to standard for High DTTN transducers, except that an insulative pad is placed between Temperature the transducer and the pipe wall.
  • Page 38 4. If signal strength is less than 2%, remount the transducer at another location on the piping system. 5. If signal strength is greater than 195%, contact the Dynasonics factory to obtain a lower power strategy to load into the TFXD flow meter.
  • Page 39 PART 2 - TRANSDUCER & RTD INSTALLATION Figure 2.6 Application of Grease — DTTS Transducer Z-Mount Mounting Transducers in Z-Mount Configuration Transducer Installation on larger pipes requires careful measurements of the Installation linear and radial placement of the DTTN and DTTH transducers. Failure to properly orient and place the transducers on the pipe may lead to weak signal strength and/or inaccurate readings.
  • Page 40 PART 2 - TRANSDUCER & RTD INSTALLATION Figure 2.7 Paper Template Alignment 4. The two marks on the pipe are now properly aligned and measured. If access to the bottom of the pipe prohibits the wrapping of the paper around the circumference, cut a piece of paper to these dimensions and lay it over the top of the pipe.
  • Page 41 PART 2 - TRANSDUCER & RTD INSTALLATION Figure 2.8 Bisecting the pipe circumference 7. Place the downstream transducer on the pipe at the calculated transducer spacing. See Figure 2.9 on page 2.16. Using firm hand pressure, slowly move the transducer both towards and away from the upstream transducer while observing signal strength.

  • Page 42: Mounting Track Installation

    PART 2 - TRANSDUCER & RTD INSTALLATION Figure 2.9 Z-Mount Transducer Placement Mounting D010-2102-010 Mounting Track Installation Track The D010-2102-010 transducer mounting track is used for Installation pipes that have outside diameters between 2 and 10 inches [50-250 mm]. If the pipe is outside of that range, select a standard V-Mount or Z-Mount mounting method.

  • Page 43: Rtd Installation

    PART 2 - TRANSDUCER & RTD INSTALLATION Place the second transducer in between the mounting rails near the dimension derived in the Transducer Spacing section. Read the dimension on the mounting rail scale. Slide the transducer clamp over the transducer and secure with the thumb screw.
  • Page 44 PART 2 - TRANSDUCER & RTD INSTALLATION Surface Installation of Surface Mount RTDs Mount RTD 1. Select areas on the supply and return pipes where the RTDs will be mounted and peel back the insulation all the way Installation around the pipe in the installation area. 2.
  • Page 45 PART 2 - TRANSDUCER & RTD INSTALLATION Insertion RTD Installation Insertion RTD Installation Insertion RTDs are typically installed through 1/4" compression fittings and isolation ball valves. 1. It is recommended that insertion RTDs be mounted downstream of the flow measurement transducer to avoid causing flow instability in the flow measurement region.
  • Page 46 PART 2 - TRANSDUCER & RTD INSTALLATION NOTES Rev. 5/07 - 2.20 - TFXD...
  • Page 47 PART 3 - PROGRAMMING General The TFXD2 can be configured through the keypad interface or by ™ ® using the UltraLink Windows software utility. (The TFXD1 does ™ not contain a keypad or display, so the UltraLink software must be used for configuration.
  • Page 48 PART 3 - PROGRAMMING 2. The ARROW keys are used to scroll through menus and configuration parameters. The ARROW keys are also used to adjust parameter numerical values. 3. The ENTER key is: • Pressed from the RUN mode to view the current software version operating in the instrument.

  • Page 49: Basic Menu

    PART 3 - PROGRAMMING -- BASIC MENU BSC MENU The BASIC Menu contains all of the configuration parameters necessary to make the TFXD operational. UNITS (Choice) UNITS ENGLSH Selection METRIC Installs a global measurement standard into the memory of the instrument.
  • Page 50 PART 3 - PROGRAMMING Pipe PIPE OD -- Pipe Outside Diameter Entry (Value) Diameter ENGLSH (Inches) METRIC (Millimeters) Enter the pipe outside diameter in inches if ENGLSH was selected as UNITS; in millimeters if METRIC was selected. NOTE: Charts listing popular pipe sizes have been included in the Appendix of this manual.
  • Page 51 PART 3 - PROGRAMMING St Steel 302/303 (SS 303) St Steel 304/316 (SS 316) St Steel 410 (SS 410) St Steel 430 (SS 430) (PFR) Titanium (TITAMN) Other (OTHER) This list is provided as an example. Additional pipe materials are being added continuously.
  • Page 52 PART 3 - PROGRAMMING If a pipe material was chosen from the PIPE MAT list, a nominal value for relative roughness in that material will be automatically loaded. If the actual roughness is known for the application piping system and that value varies from the automatically loaded value, the value can be revised.
  • Page 53 PART 3 - PROGRAMMING If a liner was chosen from the LINER MAT list, a nominal value for speed of sound in that media will be automatically loaded. If the actual sound speed rate is known for the pipe liner and that value varies from the automatically loaded value, the value can be revised.
  • Page 54 PART 3 - PROGRAMMING If a fluid was chosen from the FL TYPE list, a nominal value for speed of sound in that media will be automatically loaded. If the actual sound speed rate is known for the application fluid and that value varies from the automatically loaded value, the value can be revised.
  • Page 55 PART 3 - PROGRAMMING Fluid Specific SP HEAT -- Fluid Specific Heat Capacity (Value) (only visible when RTD Module is activated) Heat Capacity Nominal Heat Capacity Allows adjustments to be made to the specific heat capacity of the liquid. If a fluid was chosen from the FL TYPE list, a default specific heat will be automatically loaded.
  • Page 56 PART 3 - PROGRAMMING TABLE 3.3 — Specific Heat Capacity Values for Propylene Glycol/Water Specific Heat Capacity BTU/lb °F Polypropylene Glycol Solution (% by Volume) 1.00 0.98 0.96 0.94 0.90 0.85 0.81 TABLE 3.4 — Specific Heat Capacity Values for Other Common Fluids Temperature Temperature Fluid...
  • Page 57 PART 3 - PROGRAMMING Engineering RATE UNT -- Engineering Units for Flow Rate (Choice) Units Gallons (GALLONS) Liters (LITERS) RATE Millions of Gallons (MGAL) Cubic Feet (CUBIC FT) Cubic Meters (CUBIC ME) Acre Feet (ACRE FT) Oil Barrels (OIL BARR) [42 Gallons] Liquid Barrels (LIQ BARR)
  • Page 58 PART 3 - PROGRAMMING Liquid Barrels (LIQ BARR) [31.5 Gallons] Pounds (LB) Kilograms (KG) British Thermal (BTU) Units Thousands of BTUs (MBTU) Millions of BTUs (MMBTU) Tons (TON) Select a desired engineering unit for flow accumulator (totalizer) measurements. Engineering TOTL E -- Flow Totalizer Exponent Value (Choice) Units E-1 to E6 TOTAL...
  • Page 59 PART 3 - PROGRAMMING Minimum Flow MIN RATE -- Minimum Flow Rate Settings (Value) Rate Rate Unit/Rate Interval A minimum volumetric flow rate setting is entered to establish filter software settings. Volumetric entries will be in the Engineering Rate Units and Interval selected on page 3.11 of this manual. unidirectional measurements, set MIN RATE to zero.

  • Page 60: Output Menu

    PART 3 - PROGRAMMING -- OUTPUT #1 MENU OUT1 MEN OUT1 MEN -- OUTPUT #1 MENU (Choice) 4-20 mA Output (4-20MA) Rate (RATE) Relay (RELAY) Heat Flow (RTD) RS232C Communications (RS232) RS485 Communications (RS485) Data Logger (DATALOG) Power (PRWCOM) 4-20 mA ISO-MOD: 4-20 mA Output (Values) Flow at 4 mA (FL 4MA)
  • Page 61 PART 3 - PROGRAMMING The FL 4MA and FL 20MA entries are used to set the span of the 4 4-20 mA Span -20 mA analog output. These entries are volumetric rate units that are equal to the volumetric units configured as Engineering Rate Units and Engineering Units Time Interval discussed on page 3.11.
  • Page 62 PART 3 - PROGRAMMING Calibration of the 20 mA setting is conducted much the same way as the 4 mA adjustments. Procedure: 1. Disconnect one side of the current loop and connect the ammeter in series (disconnect either wire at the terminals labeled +/- on the ISO-MOD 4-20 mA Module).
  • Page 63 PART 3 - PROGRAMMING The FL 0H and FL 25KH entries are used to set the span of the Rate Pulse 0 to 2.5k Hz frequency output. These entries are volumetric rate Span units that are equal to the volumetric units configured as Engineering Rate Units and Engineering Units Time Interval entered on page 3.11 of this manual.
  • Page 64 PART 3 - PROGRAMMING Batch/Totalizer TOTALIZE mode configures the relay to output a 50 mSec pulse (contact changeover) each time the display totalizer increments – Relay divided by the TOT MULT. The TOT MULT value must be a whole, positive, numerical value. For example, if the Totalizer Exponent is set to E0 (x1) and the Relay Multiplier is set to 1, then the relay will pulse each time the totalizer increments one count, or each single, whole measurement...
  • Page 65 PART 3 - PROGRAMMING Signal The SIG STR alarm will provide an indication that the flow meter signals between the transducers have fallen to a point where flow Strength measurements may not be possible. It can also be used to indicate Alarm that the pipe has emptied.
  • Page 66 PART 3 - PROGRAMMING ISO-MOD: RS232C (Choice) RS232C Baud Rate (RS232 BA) Module 1200 Baud (1200) 2400 Baud (2400) 9600 Baud (9600) 19,200 Baud (19200) The RS232C Module can be interfaced with serial communication ports of PCs, PLCs and SCADA systems. This module runs a proprietary digital protocol, detailed in the Appendix of this manual, that is used to monitor flow rate information in piping systems.
  • Page 67 PART 3 - PROGRAMMING ADDRESS Each TFX connected on the communications bus must have an unique address number assigned. Address 127 is a universal address that will result in all TFX instruments on the network responding simultaneously – regardless of address – resulting in CRC errors.

  • Page 68: Sensor Menu

    PART 3 - PROGRAMMING -- OUTPUT #2 MENU OUT2 MEN The I/O configurations for OUT2 MEN are identical to those detailed in OUT1 MEN. -- SENSOR MENU SEN MENU The SEN MENU is utilized to select the type of transducer that will be interfaced with the TFXD.

  • Page 69: Service Menu

    PART 3 - PROGRAMMING -- SERVICE MENU SER MENU MENU makes available different system measurements that are used for troubleshooting and fine tuning of the instrument. Actual liquid sound speed and system signal strength readings can be accessed through this menu. The SERVICE Menu also has features that allow adjustment of Signal Strength Cutoff, Error-Mode outputs, Zero Flow Rate Set and entry of a universal correction factor.
  • Page 70 PART 3 - PROGRAMMING TABLE 3.7 — Sound Speed in Liquid Water Vs. Temperature Deg. C Deg. F Vs (m/s) Vs (f/s) 1402 4600 1447 4747 1482 4862 1509 4951 1529 5016 1543 5062 1551 5089 1555 5102 1554 5098 1550 5085 1543...

  • Page 71: Temperature Values

    ISO-MOD has been changed with another TFX and calibration values have been lost. If values have been lost for a particular TFX flow meter, contact the Dynasonics factory, tell technical support the serial number for the flow meter and factory calibration values can be supplied.
  • Page 72 PART 3 - PROGRAMMING Signal SIG C-OF -- Signal Strength Cutoff Strength Signal Strength Cutoff (SIG C-OF) is used to drive the flow meter Cutoff and its outputs to the SUB FLOW (Substitute Flow – described below) state if conditions occur that cause low signal strength. A signal strength indication below 2% is inadequate for measuring flow reliably, so minimum setting for SIG C-OF is 2%.

  • Page 73: Setting Zero Flow

    PART 3 - PROGRAMMING TABLE 3.8 lists some typical settings to achieve “Zero” with respect to MIN and MAX FLOW settings. TABLE 3.8 — Substitute Flow Entry MIN RATE MAX RATE SUB FLOW DISPLAY SETTING SETTING SETTING READING DURING ERRORS 1,000.0 0.000 -500.0...

  • Page 74: Correction Factor Entry

    PART 3 - PROGRAMMING D-FLT 0 -- Reverting to Factory Default Zero Factory Default Zero If the flow in a piping system cannot be shut off, allowing the SET Calibration ZERO procedure described above to be performed, then the factory default zero should be utilized.
  • Page 75 PART 3 - PROGRAMMING Totalizer TOTAL -- Totalizer Mode Display Mode BATCH Select POS to only view the positive direction totalizer. Select NEG to only view the negative direction totalizer. Select the BATCH totalizer to configure the totalizer to count up to a value that is entered as BTCH MUL (described below).
  • Page 76 PART 3 - PROGRAMMING NOTES Rev. 5/07 -3.30- TFXD...

  • Page 77: Software Utilities

    Installation ™ 1. UltraLink can be found on the Dynasonics website for no charge or a CD can be purchased by contacting Dynasonics sales. 2. Backup/Copy all files from the website link to a folder on the computer hard disk.
  • Page 78 PART 4 - SOFTWARE UTILITIES Initialization 1. Connect communications cable, Dynasonics p/n D005-2115-001, to a PC communication port and point the communicator at the TFX infrared window, located in the lower right-hand corner of the meter front panel. Alternately, connect the PC communications port directly to an optionally installed RS232C or RS485 module located within the TFX flow meter.
  • Page 79 If you are unsure about the type of transducer to which the TFX will be connected, consult the shipment packing list or call the Dynasonics factory for assistance. A change of Transducer Type will cause a System Configuration Error to occur.
  • Page 80 PART 4 - SOFTWARE UTILITIES • Transducer Mount selects the orientation of the transducers on the piping system. See Part 2 of this manual and Table 2.2 on page 2.5 for detailed information regarding transducer mounting modes for particular pipe and liquid characteristics. Whenever Transducer Mount is changed, a download command and subsequent microprocessor reset or flow meter power cycle must be conducted.
  • Page 81 PART 4 - SOFTWARE UTILITIES Figure 4.3 Flow Tab Flow Units 2. FLOW TAB - see Figure 4.3 Configuration • Flow Rate Units are selected from the pull-down lists. Select an appropriate rate unit and time from the two lists. •...
  • Page 82 PART 4 - SOFTWARE UTILITIES TABLE 4.1 — Totalizer Exponent Values Exponent Display Multiplier x 0.1 x 1 (no multiplier) x 10 x 100 x 1,000 x 10,000 x 100,000 x 1,000,000 • Low Flow Cutoff is entered as a percentage between MAX Flow and MIN Flow and influences how the flow meter will act at flows very close to zero.
  • Page 83 PART 4 - SOFTWARE UTILITIES indicate zero flow while in an error condition. In a bi-directional system, the percentage can be set such that zero is displayed in an error condition. To calculate where to set the Substitute Flow value in a bi-directional system, perform the following operation: 100 ×...
  • Page 84 PART 4 - SOFTWARE UTILITIES • Time Domain Filter adjusts the number of raw data sets (the ™ wave forms viewed on the UltraLink Diagnostics Screen) that are averaged together. Increasing this value will provide greater damping of the data and slow the response time of the flow meter.
  • Page 85 ISO-MOD modules installed in the TFX flow meter. If a module was ordered from and installed at the Dynasonics factory, then the Output tab will contain information and configuration for that module. If a module is to be installed in the Figure 4.5...
  • Page 86 PART 4 - SOFTWARE UTILITIES field, place the module into either Module #1 or Module #2 position and secure with screws. Select the appropriate module from the pull-down menu and press the Download button. If a module has been changed from the factory setting, a Configuration error will result.
  • Page 87 PART 4 - SOFTWARE UTILITIES • Calibration/Test is used to adjust the factory calibration span of the 4-20 mA output and to test (simulate) the output. The 4 -20 mA output is factory calibrated and should not require adjustment in the field. Should the module be replaced or if recalibration is required, the following procedure is used to calibrate the span of the module:...
  • Page 88 PART 4 - SOFTWARE UTILITIES Figure 4.7 Dual Relay Configuration If the Totalizer Exponent is set to E0 (x1) and the Relay Multiplier is set to 2, the relay will pulse once for every two counts that the totalizer increments. •...
  • Page 89 PART 4 - SOFTWARE UTILITIES Figure 4.8 Single-point Alarm Operation • The Signal Strength alarm will provide an indication that the flow meter signals between the transducers have fallen to a point where flow measurements may not be possible. It can also be used to indicated that the pipe has emptied.
  • Page 90 PART 4 - SOFTWARE UTILITIES Figure 4.9 Rate Pulse Configuration Rate Pulse Module Configuration The Rate Module is utilized to transmit information to external counters and PID systems via a frequency output that is proportional to flow rate. The standard output of the module is 0-2,500 Hz, which corresponds to the flow rate span entered by the user.
  • Page 91 PART 4 - SOFTWARE UTILITIES Heat Flow Module Configuration If an RTD Module is replaced and calibration values are unknown, utilize the following procedure to calibrate the temperature measurements before installing the flow meter on the piping system. ™ A precision temperature measuring instrument, UltraLink software utility and an IR communicator will be required to perform this procedure.
  • Page 92 PART 4 - SOFTWARE UTILITIES 2. If a single RTD is to be calibrated, unselect the “Both RTDs at the same temperature” box at the bottom of the window. 3. Place the RTD(s) into a temperature controlled, cold water bath and wait several seconds for the temperature to stabilize.
  • Page 93 PART 4 - SOFTWARE UTILITIES Figure 4.11 RS232 Configuration RS232 Configuration The RS232 configuration window permits the selection of communications baud rate. Match this baud rate to that of the instrument with which the TFX will be required to communicate. Figure 4.11 shows the RS232 configuration screen.
  • Page 94 PART 4 - SOFTWARE UTILITIES Figure 4.12 RS485 Configuration RS485 Configuration The RS485 configuration window permits the selection of communications baud rate and mode of the particular TFX instrument in the network. Figure 4.12 shows the RS485 configuration screen. • All TFX instruments on a single network must operate at the same Baud rate –...
  • Page 95 PART 4 - SOFTWARE UTILITIES Flow Meter Setting Zero and Calibration ™ Calibration UltraLink contains a powerful multi-point calibration routine that can be used to calibrate the TFX flow meter to a primary measuring standard in a particular installation. To initialize the three-step calibration routine, click on the Calibration button located on the top ™...
  • Page 96 PART 4 - SOFTWARE UTILITIES Wait for Stable Reading Figure 4.14 Setting Zero Flow The final screen (Page 3 of 3) shown in Figure 4.15 on page 4.21 allows multiple actual flow rates to be recorded by the TFX. To calibrate a point, establish a stable, known flow rate (verified by a real-time primary flow instrument), enter the actual flow rate in the Figure 4.15 window and click the Set button.
  • Page 97 PART 4 - SOFTWARE UTILITIES Enter Actual Flow Rate Figure 4.15 Flow Rate Calibration Saving Meter Configuration on a PC The complete configuration of the flow meter can be saved from the Configuration screen. Select File Save button located in the lower left-hand corner of the screen and name the file.

  • Page 98: Data Logger

    PART 4 - SOFTWARE UTILITIES ™ During the installation of UltraLink , a file called DatLog was Using the installed and its icon will appear on the Desktop of the computer. Data Logger Double-click on the icon to start the utility. The screen shown in Software Figure 4.16 will appear as the computer is attempting to establish communications with the logger module.
  • Page 99 PART 4 - SOFTWARE UTILITIES Figure 4.17 Logger Files To save the file to a computer, select the file from the file table and click the Save button located on the top task bar (see Figure 4.18 on page 4.24). Datalog saves the files in .csv (comma separated value) format.
  • Page 100 PART 4 - SOFTWARE UTILITIES Figure 4.18 Saving Data Files Figure 4.19 Setting the Clock Rev. 5/07 -4.24- TFXD...

  • Page 101: Appendix

    A P P E N D I X...
  • Page 103 BSC MENU OUT1 MEN OUT2 MEN SEN MENU SEC MENU SER MENU DSP MENU UNITS LINER SS RATE INT OUT1 OUT2 XDC TYPE TOT RES SSPD MPS DISPLAY ENGLSH ENGLSH (FPS) DTTN FLOW METRIC METRIC (MPS) HOUR DTTH TOTAL OPTIONS OPTIONS SSPD FPS DT1500...
  • Page 104 Fluid Properties Original Date: 7/30/1999 Revision: Revision Date: 9/10/2003 File: I:/dynasonics/dyna_code/tables/fluid_ss.xls Fluid Specific Gravity Sound Speed delta-v/degree C Kinematic Viscosity Absolute Viscosity 20 degrees C ft/s m/s/degree C Centistokes Centipoise Acetate, Butyl 1270 4163.9 Acetate, Ethyl 0.901 1085 3559.7 0.489 0.441...
  • Page 105 Oil, Castor 0.97 1477 4845.8 0.670 0.649 Oil, Diesel 0.80 1250 4101 Oil (Lubricating X200) 1530 5019.9 Oil (Olive) 0.91 1431 4694.9 2.75 100.000 91.200 Oil (Peanut) 0.94 1458 4783.5 Paraffin Oil 1420 4655.7 Pentane 0.626 1020 3346.5 0.363 0.227 Petroleum 0.876 1290...
  • Page 106 TFX Error Codes Revised 2-22-2002 Code Number Description Correction Warnings 0001 Serial number not present Hardware serial number has become inoperative – system performance will not be influenced. Signal Strength is below Signal Low signal strength is typically caused by one of the following: 0010 Strength Cutoff entry •...
  • Page 107 Digital Communications Protocol for TFX Flow Meters Host protocol A digital communications protocol is utilized. Each message is guarded with the standard CRC-16 error detection (C source code is included) The host protocol is a master-slave type protocol with the flowmeter being the slave. The messages have the following format: <addr><command><data>…<data><crc-16>...
  • Page 108 Special codes The following special 65 and 66 codes are supported. Code Description Echo (for comm debugging) Read run time data (signal strength, flow rate and totalizers) Reset Totalizers Code 00 – Echo Command: <addr>65<size>00<data >…<data ><crc-16> Reply: <addr>65<size>00<data >…<data ><crc-16>...
  • Page 109 C Source Code Flow Data Definition struct FLOWDATA short sSignalStrength; double dCurFlowRate; double dNetTotalizer; double dPositiveTotalizer; double dNegativeTotalizer; struct FLOWDATA_EX short sSignalStrength; double dCurFlowRate; double dNetTotalizer; double dPositiveTotalizer; double dNegativeTotalizer; double dTemp1; double dTemp2; CRC-16 Calculations unsigned short crc_table[256] = { 0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241, 0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440, 0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,...
  • Page 110 0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641, 0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040, unsigned short calculate_crc(const unsigned char *pv, int size) unsigned short crc = 0xFFFF; for ( ;size-- ; pv++) crc = (crc >> 8) ^ crc_table[(crc ^ *pv) & 0xFF]; return crc;...
  • Page 111 “STEEL, STAINLESS STEEL, P.V.C. PIPE” STANDARD CLASSES SCH 10 Nominal SCH 5 SCH 20 SCH 30 SCH 40 Outside (Lt Wall) Pipe Size Diameter Inches Wall Wall Wall Wall Wall Wall 1.315 1.185 0.065 1.097 0.109 1.049 1.049 0.133 1.25 1.660 1.53 0.065...
  • Page 112 “STEEL, STAINLESS STEEL, P.V.C. PIPE” STANDARD CLASSES Nominal SCH 60 X STG. SCH 80 SCH 100 SCH 120/140 SCH 180 Outside Pipe Size Diameter Inches Wall Wall Wall Wall Wall Wall 1.315 0.957 0.179 0.957 0.179 0.815 0.250 1.25 1.660 1.278 0.191 1.278...
  • Page 113 Ductile Iron Pipe (Standard Classes) Class Class Size Size Mortar Mortar (Inches) Lining (Inches) Lining O.D. 3.96 3.96 3.96 3.96 3.96 3.96 O.D. 19.50 19.50 19.50 19.50 19.50 19.50 19.50 Std. 0.123 Std . 0.1875 3” 18” Wall 0.25 0.28 0.31 0.34 0.37...
  • Page 114 COPPER TUBING COPPER TUBING Nominal Nominal Copper & Copper & ALUMINUM ALUMINUM Diameter Type Brass Pipe Diameter Type Brass Pipe O. D. 0.625 0.625 0.625 0.840 O. D. 3.625 3.625 3.625 4.000 1/2” 31/2” Wall 0.049 0.040 0.028 0.108 Wall 0.120 0.100 0.083...
  • Page 115 Cast Iron Pipe (Standard Classes) Class Class Size Size (Inches) (Inches) O.D. 3.80 3.96 3.96 3.96 O.D. 25.80 25.80 26.32 26.32 26.90 26.90 27.76 27.76 3” 24” Wall 0.39 0.42 0.45 0.48 Wall 0.76 0.98 1.05 1.16 1.31 1.45 1.75 1.88 I.D.
  • Page 116 FPS TO GPM CROSS - REFERENCE (Schedule 40) Nominal I.D. Pipe INCH (Inches) 1.05 2.6989 4.0484 5.3978 6.7473 8.097 9.4462 10.796 12.145 13.490 14.844 16.190 17.540 18.890 20.240 21.590 22.941 24.290 1.25 1.38 4.6620 6.9929 9.3239 11.655 13.99 16.317 18.648 20.979 23.310 25.641 27.970 30.300 32.630 34.960 37.300 39.627 41.958 1.61 6.3454 9.5182 12.691 15.864 19.04 22.209 25.382 28.555 31.730 34.900 38.070 41.250 44.420 47.590 50.760 53.936 57.109...
  • Page 117 FPS TO GPM CROSS - REFERENCE (Schedule 40) Nominal I.D. Pipe INCH (Inches) 16.88 697.52 1046.3 1395.0 1743.8 2093.0 2441.3 2790.1 3138.8 3488.0 3836.3 4185.0 4534.0 4883.0 5231.0 5580.0 5928.9 6277.7 18.81 866.14 1299.0 1732.0 2165.3 2598.4 3031.5 3464.6 3897.6 4330.7 4763.8 5196.8 5629.9 6063.0 6496.0 6929.1 7362.2 7795.3 22.63 1253.7 1880.0 2507.0 3134.1 3761.0 4387.8 5014.6 5641.5 6268.3 6895.1 7522.0 8148.8 8775.6 9402.4 10029 10656...
  • Page 118 Limited Warranty and Disclaimer Dynasonics, division of Racine Federated Inc. warrants to the end purchaser, for a period of one year from the date of shipment from the factory, that all new transmitters and transducers manufactured by it are free from defects in materials and workmanship. This warranty does not cover products that have been damaged due to misapplication, abuse, lack of maintenance, or improper installation.
  • Page 119 GENERAL TERMS AND CONDITIONS OF SALES 1. PAYMENT – Terms of payment are effective from the actual date of invoice. If, in the Seller’s opinion, the financial condition of the Buyer at any time – or any other circumstances – do not justify the incurrence of production costs of shipment on the terms of payment specified, the Seller may require partial or full payment in advance.
  • Page 120 If you have a question regarding order status, placing an order, reviewing applications for future purchases, or wish to purchase a new flowmeter, please contact our new National Sales and Marketing Headquarters: DYNASONICS Division of Racine Federated Inc. 8635 Washington Avenue...
  • Page 122 TEL: 800-535-3569 FAX: 800-732-8354 TEL: 262-639-6770 FAX: 262-639-2267 www.dynasonics.com © 2007 Racine Federated Inc. Dynasonics and UltraLink are trademarks of Racine Federated Inc. All rights reserved. Windows and Excel are registered trademarks of Microsoft Corporation. Printed in the USA Corel and Quattro Pro are registered trademarks of Corel Corporation.

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