Transit Time Flow Meters TFX Ultra TTM-UM-00136-EN-02 (March 2014) User Manual
Transit Time Meter, TFX Ultra CONTENTS QUICK-START OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Transducer Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
User Manual INPUTS/OUTPUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 4-20 mA Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Control Outputs [Flow Only Version] . .
Transit Time Meter, TFX Ultra SOFTWARE UTILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 System Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Installation. . . . . . .
User Manual IN FIELD CALIBRATION OF RTD TEMPERATURE SENSORS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Equipment Required: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Replacing or Re-calibrating RTDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Error Codes . . . . . . . . . . . . . . . . . . . . . . . .
Transit Time Meter, TFX Ultra Page vi March 2014
QUICK-START OPERATING INSTRUCTIONS QUICK-START OPERATING INSTRUCTIONS This manual contains detailed operating instructions for all aspects of the flow metering instrument. The following condensed instructions assist the operator in getting the instrument running as quickly as possible. This pertains to basic operation only. Refer to the appropriate section in the manual for complete details on specific instrument features or if the installer is unfamiliar with this type of instrument.
QUICK-START OPERATING INSTRUCTIONS Pipe Preparation and Transducer Mounting DTTN, DTTL, and DTTH Transducers 1. Place the flow meter in signal strength measuring mode. This value is available on the flow meters display Service Menu or in Downstream+ the data display of the software utility. Downstream2. The pipe surface, where the transducers are to be mounted, must be clean and dry. Remove scale, rust or loose paint Upstreamto ensure satisfactory acoustic conduction.
INTRODUCTION INTRODUCTION General This transit time ultrasonic flow meter is designed to measure the fluid velocity of liquid within a closed conduit. The transducers are a non-contacting, clamp-on type or clamp-around, which will provide benefits of non-fouling operation and ease of installation.
INTRODUCTION User Safety This meter employs modular construction and provides electrical safety for the operator. The display face contains voltages no greater than 28V DC. The display face swings open to allow access to user connections. DANGER THE POWER SUPPLY BOARD CAN HAVE LINE VOLTAGES APPLIED TO IT, SO DISCONNECT ELECTRICAL POWER BEFORE OPENING THE INSTRUMENT ENCLOSURE. WIRING SHOULD ALWAYS CONFORM TO LOCAL CODES AND THE NATIONAL ELECTRICAL CODE.
SPECIFICATIONS SPECIFICATIONS System Liquid Types Most clean liquids or liquids containing small amounts of suspended solids or gas bubbles. Velocity Range Bidirectional to greater than 40 fps (12 mps). DTTN/DTTH/DTTL: ±1% of reading or ±0.01 fps (0.003 mps), whichever is greater. Flow Accuracy DTTS/DTTC: 1 in. (25 mm) and larger – ±1% of reading or ±0.04 fps (0.012 mps), whichever is greater. DTTS/DTTC: 3/4 in.
SPECIFICATIONS Temperature Configuration Engineering Units Inputs/ Outputs –40…185° F (–40…85° C). Via optional keypad or PC running ULTRALINK software (Note: not all configuration parameters are available from the keypad—for example flow and temperature calibration and advanced filter settings) Flow Meter: Energy Meter: Feet, gallons, cubic feet, million gallons, barrels (liquid and oil), acre-feet, pounds, meters, cubic meters, liters, million liters, kilograms.
TRANSMITTER INSTALLATION TRANSMITTER INSTALLATION After unpacking, it is recommended to save the shipping carton and packing materials in case the instrument is stored or re-shipped. Inspect the equipment and carton for damage. If there is evidence of shipping damage, notify the carrier immediately. The enclosure should be mounted in an area that is convenient for servicing, calibration or for observation of the LCD readout. 1. Locate the transmitter within the length of transducer cables supplied.
TRANSMITTER INSTALLATION N OTE: Use NEMA 4 [IP-65] rated fittings/plugs to maintain the watertight integrity of the enclosure. Generally, the right conduit hole (viewed from front) is used for power, the left conduit hole for transducer connections, and the center hole is utilized for I/O wiring. Transducer Connections To access terminal strips for wiring, loosen the two screws in the enclosure door and open.
TRANSMITTER INSTALLATION Line Voltage AC Power Connections Connect 95…264V AC, AC neutral and chassis ground to the terminals referenced in Figure 6. Do not operate without an earth (chassis) ground connection. IMPORTANT Permanently connected equipment and multi-phase equipment shall employ a switch or circuit breaker as a means of disconnect. The switch or circuit breaker shall conform to the following: 1. A switch or circuit breaker shall be included in the building installation. 2.
TRANSMITTER INSTALLATION DC Power Connections The flow meter may be operated from a 10…28V DC source, as long as the source is capable of supplying a minimum of 5 Watts of power. Connect the DC power to 10…28V DC In, power gnd., and chassis gnd., as in Figure 1.6. N OTE: DC powered versions are protected by an automatically resetting fuse. This fuse does not require replacement. O N 1 2 3 4 Power Ground Modbus TFX Rx TFX Tx + Downstream Upstream + 10 - 28 VDC Power Gnd. Signal Gnd.
TRANSDUCER INSTALLATION TRANSDUCER INSTALLATION General The transducers that are utilized by this flow meter contain piezoelectric crystals for transmitting and receiving ultrasonic signals through walls of liquid piping systems. DTTH, DTTL and DTTH transducers are relatively simple and straightforward to install, but spacing and alignment of the transducers is critical to the system’s accuracy and performance. Extra care should be taken to ensure that these instructions are carefully executed.
TRANSDUCER INSTALLATION Piping Configuration and Transducer Positioning Upstream Pipe Diameters Downstream Pipe Diameters * ** 24 5 14 5 10 5 10 5 10 5 24 5 Flow * ** Flow * ** Flow * ** Flow * ** Flow * ** Flow * ** Table 1: Piping configuration and transducer positioning This flow meter system will provide repeatable measurements on piping systems that do not meet these requirements, but accuracy of these readings may be influenced to various degrees.
TRANSDUCER INSTALLATION Step 2 – Transducer Spacing The transmitter can be used with five different transducer types: DTTN, DTTL, DTTH, DTTS and DTTC. Meters that utilize the DTTN, DTTL or DTTH, transducer sets consist of two separate sensors that function as both ultrasonic transmitters and receivers. DTTS and DTTC transducers integrate both the transmitter and receiver into one assembly that fixes the separation of the piezoelectric crystals.
TRANSDUCER INSTALLATION TOP VIEW OF PIPE TOP VIEW OF PIPE W-Mount TOP VIEW OF PIPE V-Mount Z-Mount Figure 9: Transducer mounting modes — DTTN, DTTL and DTTH Size Frequency Setting Transducer Mounting Mode DTTSnP 1/2 2 MHz DTTSnC DTTSnT DTTSnP 3/4 2 MHz DTTSnC DTTSnT DTTSnP 1 2 MHz DTTSnC DTTSnT DTTSnP 1-1/4 2 MHz V DTTSnC DTTSnT DTTSnP 1-1/2 2 MHz DTTSnC DTTSnT 2 1 MHz 2 MHz DTTSnP DTTSnC DTTSnT DTTS transducer designation refers to both DTTS and DTTC transducer types.
TRANSDUCER INSTALLATION Step 3 – Entering Pipe and Liquid Data This metering system calculates proper transducer spacing by utilizing piping and liquid information entered by the user. This information can be entered via the keypad on the flow meter or via the optional software utility. The best accuracy is achieved when transducer spacing is exactly what the flow meter calculates, so the calculated spacing should be used if signal strength is satisfactory.
V-MOUNT AND W-MOUNT INSTALLATION Top of Pipe 45° 45° YES YES 45° 45° Flow Meter Mounting Orientation DTTN, DTTL, and DTTH Transducers Top of Pipe 45° 45° 45° YES YES 45° Top of Pipe 45° YES YES 45° 45° Flow Meter Mounting Orientation 2” DTTS and DTTC Transducers 45° Flow Meter Mounting Orientation DTTS and DTTC Transducers Figure 10: Transducer orientation — horizontal pipes Alignment Marks Figure 11: Transducer alignment marks V-MOUNT AND W-MOUNT INSTALLATION Application of Coup
V-MOUNT AND W-MOUNT INSTALLATION ½ in. (12 mm) Figure 12: Application of couplant Transducer Positioning 1. Place the upstream transducer in position and secure with a mounting strap. Straps should be placed in the arched groove on the end of the transducer. A screw is provided to help hold the transducer onto the strap. Verify that the transducer is true to the pipe and adjust as necessary. Tighten the transducer strap securely. 2.
V-MOUNT AND W-MOUNT INSTALLATION DTTS/DTTC Small Pipe Transducer Installation The small pipe transducers are designed for specific pipe outside diameters. Do not attempt to mount a DTTS/DTTC transducer onto a pipe that is either too large or too small for the transducer. Contact the manufacturer to arrange for a replacement transducer that is the correct size. DTTS/DTTC installation consists of the following steps: 1.
V-MOUNT AND W-MOUNT INSTALLATION DTTS/DTTC Small Pipe Transducer Configuration Procedure Calibration (Page 3 of 3) - Linearization 1) P lease establish a ref erence f low rate. 28 .2 1FP S / 0.3MP S Minim u m . 2) E nter th e ref erence f low rate below. ( Do not enter 0) 3) W ait f or f low to stabiliz e. 4 ) P ress th e S et bu tton. Gal/M 1. Establish communications with the transit time meter. 2. From the tool bar select Calibration. See Figure 17. 3.
V-MOUNT AND W-MOUNT INSTALLATION 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 1/2 the circumference of the pipe and lay it over the top of the pipe. The length of 1/2 the circumference can be found by: ½ Circumference = Pipe O.D. × 1.57 The transducer spacing is the same as found in the Transducer Positioning section. Mark opposite corners of the paper on the pipe.
V-MOUNT AND W-MOUNT INSTALLATION 8. A minimum signal strength of 5 is acceptable as long as this signal level is maintained under all flow conditions. On certain pipes, a slight twist to the transducer may cause signal strength to rise to acceptable levels. Certain pipe and liquid characteristics may cause signal strength to rise to greater than 98. The problem with operating this meter with very high signal strength is that the signals may saturate the input amplifiers and cause erratic readings.
INPUTS/OUTPUTS INPUTS/OUTPUTS General The flow metering system is available in two general configurations. There is the standard flow meter model that is equipped with a 4-20 mA output, two open collector outputs, a rate frequency output, and RS485 communications using the Modbus RTU command set. The energy version of the flow metering family has inputs for two 1000 Ohm RTD sensors in place of the rate frequency and alarm outputs.
INPUTS/OUTPUTS 90-265 VAC AC Neutral Signal Gnd. Control 1 Control 2 Frequency Out 4-20 mA Out Reset Total Loop Resistance Signal Ground 7 VDC Drop Meter Power Figure 24: 4-20 mA output The 4-20 mA output signal is available between the 4-20 mA Out and Signal Gnd terminals as shown in Figure 24. Control Outputs [Flow Only Version] Two independent open collector transistor outputs are included with the flow only model.
ALARM OUTPUTS ALARM OUTPUTS The flow rate output permits output changeover at two separate flow rates allowing operation with an adjustable switch deadband. Figure 27 illustrates how the setting of the two set points influences rate alarm operation. A single-point flow rate alarm would place the ON setting slightly higher than the OFF setting allowing a switch deadband to be established.
ALARM OUTPUTS Totalizing Pulse Output Option VCC RxD Total Pulse 100 mA Maximum 2.8k…10k Pullup Resistor Isolated Output Total Pulse TB1 Internal Figure 28: Energy version auxiliary totalizer output option Wiring and configuration of this option is similar to the totalizing pulse output for the flow only variation. This option must use an external current limiting resistor.
ALARM OUTPUTS Frequency Output [Flow Only Models] The frequency output is an open-collector transistor circuit that outputs a pulse waveform that varies proportionally with flow rate. This type of frequency output is also know as a “Rate Pulse” output. The output spans from 0 Hz, normally at zero flow rate to 1000 Hz at full flow rate (configuration of the MAX RATE parameter is described in detail in the flow meter configuration section of this manual). +V 10k 90-265 VAC AC Neutral Signal Gnd.
ALARM OUTPUTS 500 m V p -p 0 Figure 30: Frequency output waveform (simulated turbine) 2. Square-wave frequency – This option is utilized when a receiving instrument requires that the pulse voltage level be either of a higher potential and/or referenced to DC ground. The output is a square-wave with a peak voltage equaling the instrument supply voltage when the SW3 is ON. If desired, an external pullup resistor and power source can be utilized by leaving SW3 OFF. Set SW4 to ON for a square-wave output.
HEAT FLOW FOR ENERGY MODELS ONLY HEAT FLOW FOR ENERGY MODELS ONLY The energy version allows the integration of two 1000 Ohm, platinum RTDs with the flow meter, effectively providing an instrument for measuring energy consumed in liquid heating and cooling systems. If RTDs were ordered with the energy version of the flow meter, they have been factory calibrated and are shipped with the meter. The energy meter has multiple heat ranges to choose from.
INSTALLATION OF INSERTION RTD’S INSTALLATION OF INSERTION RTD’S Insertion RTDs are typically installed through 1/4 inch (6 mm) compression fittings and isolation ball valves. Insert the RTD sufficiently into the flow stream such that a minimum of 1/4 inch (6 mm) of the probe tip extends into the pipe diameter. RTDs should be mounted within ±45 degrees of the side of a horizontal pipe. On vertical pipes the orientation is not critical.
REPLACEMENT RTDS REPLACEMENT RTDS If it is necessary to replace RTDs, complete RTD kits including the energy meter’s plug-in connector and calibration values for the replacements are available from the manufacturer. It is also possible to use other manufacturer’s RTDs. The RTDs must be 1000 Ohm platinum RTDs suitable for a three-wire connection. A connection adapter, P.N. D005-0350-300, is available to facilitate connection to the energy version. See Figure 37.
STARTUP AND CONFIGURATION STARTUP AND CONFIGURATION Before Starting the Instrument N OTE: This flow metering system requires a full pipe of liquid before a successful start-up can be completed. Do not attempt to make adjustments or change configurations until a full pipe is verified. N OTE: If Dow 732 RTV was utilized to couple the transducers to the pipe, the adhesive must be fully cured before readings are attempted. Dow 732 requires 24 hours to cure satisfactorily.
KEYPAD PROGRAMMING KEYPAD PROGRAMMING A meter ordered with a keypad can be configured through the keypad interface or by using the Windows® compatible software utility. Units without a keypad can only be configured using the software utility. See SOFTWARE UTILITY of this manual for software details. Of the two methods of configuration, the software utility provides more advanced features and offers the ability to store and transfer meter configurations between like flow meters.
BSC MENU – BASIC MENU BSC MENU BASIC – This menu contains all of the configuration parameters necessary to initially program the meter to measure flow. CH1 MENU CHANNEL 1 – Configures the 4-20 mA output. Applies to both the flow only and energy models. CH2 MENU CHANNEL 2 – Configures the type and operating parameters for channel 2 output options. Channel 2 parameters are specific to the model of transmitter used. SEN MENU SENSOR – This menu is used to select the sensor type such as DTTN or DTTS.
BSC MENU – BASIC MENU Flow Direction FLOW DIR — Transducer Flow Direction Control (Choice) FORWARD REVERSE Allows the change of the direction the meter assumes is forward. When mounting meters with integral transducers this feature allows upstream and downstream transducers to be “electronically” reversed making upside down mounting of the display unnecessary.
BSC MENU – BASIC MENU Allows adjustments to be made to the speed of sound value, shear or transverse wave, for the pipe wall. If the UNITS value was set to ENGLSH, the entry is in fps (feet per second). METRIC entries are made in mps (meters per second). If a pipe material was chosen from the PIPE MAT list, a nominal value for speed of sound in that material will be automatically loaded.
BSC MENU – BASIC MENU Liner Roughness LINER R — Liner Material Relative Roughness (Value) Unitless Value The flow meter provides flow profile compensation in its flow measurement calculation.
BSC MENU – BASIC MENU Fluid Specific Gravity SP GRAVTY — Fluid Specific Gravity Entry (Value) Unitless Value Allows adjustments to be made to the specific gravity (density relative to water) of the liquid. As stated previously in the FLUID VI section, specific gravity is utilized in the Reynolds correction algorithm. It is also utilized if mass flow measurement units are selected for rate or total.
BSC MENU – BASIC MENU Specific Heat Capacity BTU/lb °F Temperature Ethylene Glycol Solution (% by Volume) °F °C 25 30 40 50 60 65 100 –40 –40 n/a n/a n/a n/a 0.68 0.70 n/a 0 –17.8 n/a n/a 0.83 0.78 0.72 0.70 0.54 40 4.4 0.91 0.89 0.845 0.80 0.75 0.72 0.56 80 26.7 0.92 0.90 0.86 0.82 0.77 0.74 0.59 120 84.9 0.93 0.92 0.88 0.83 0.79 0.77 0.61 160 71.1 0.94 0.93 0.89 0.85 0.81 0.79 0.64 200 93.3 0.95 0.94 0.91 0.87 0.83 0.81 0.
BSC MENU – BASIC MENU Totalizer Units TOTL UNT — Totalizer Units Gallons Gallons Pounds LB Liters Liters Kilograms KG Millions of Gallons MGal British Thermal Units BTU Cubic Feet Cubic Ft Thousands of BTUs MBTU Cubic Meters Cubic Me Millions of BTUs MMBTU Acre Feet Acre Ft Tons TON Oil Barrels Oil Barr [42 Gallons] Kilojoule kJ Liquid Barrels Liq Barr [31.
BSC MENU – BASIC MENU Low Flow Cut-off FL C-OFF — Low Flow Cut-off (Value) 0…100% A low flow cut-off entry is provided to allow very low flow rates (that can be present when pumps are off and valves are closed) to be displayed as zero flow. Typical values that should be entered are between 1.0% and 5.0% of the flow range between MIN RATE and MAX RATE. Damping Percentage DAMP PER — System Damping (Value) 0…100% Flow filter damping establishes a maximum adaptive filter value.
BSC MENU – BASIC MENU Example 2 – To span the 4-20 mA output from 0…100 gpm, with 12 mA being 50 gpm, set the FL 4MA and FL 20MA inputs as follows: FL 4MA = 0.0 FL 20MA = 100.0 For the flow only unit, in this instance zero flow would be represented by 0 Hz and 4 mA. The full scale flow or 100 gpm would be 1000 Hz and 20 mA, and a midrange flow of 50 gpm would be expressed as 500 Hz and 12 mA. The 4-20 mA output is factory calibrated and should not require adjustment.
BSC MENU – BASIC MENU Energy Meter Options RTD — Calibration Values (Value) RTD1 A Calibration Value for RTD1 A RTD1 B Calibration Value for RTD1 B RTD2 A Calibration Value for RTD2 A RTD2 B Calibration Value for RTD2 B Inputs from two 1000 Ohm platinum RTD temperature sensors allow measurements of heating or cooling usage. The values used to calibrate the RTD temperature sensors are derived in the laboratory and are specific to the RTD and to the electronic circuit it is connected to.
SEN MENU – SENSOR MENU NONE Alarm outputs disabled. N OTE: The setup options for both CONTROL 1 and CONTROL 2 follow the same menu path. For a complete view of the menu options, see Menu Maps in the APPENDIX of this manual. SEN MENU – SENSOR MENU The SEN MENU allows access to the various types of transducers the meter can work with. Selecting the proper transducers in conjunction with the transducer mount XDCR MNT and transducer frequency XDCR HZ is critical to accurate operation of the meter.
SER MENU – SERVICE MENU CH PSWD? — Change Password (Value) 0…9999 The password comes from the factory set to 0000. When set to 0000 the password function is disabled. By changing the password from 0000 to some other value (any value between 0001…9999), configuration parameters will not be accessible without first entering the password value when prompted. If the value is left at 0000, no security is invoked and unauthorized changes can be made.
SER MENU – SERVICE MENU N OTE: If the unit is configured to display totalizer values, the display will alternate between error 0010 and the totalizer value. Signal strength readings in excess of 98 may indicate that a mounting method with a longer path length may be required. For example, if transducers mounted on a 3 inch PVC pipe in V-Mount cause the measured signal strength value to exceed 98, change the mounting method to W-Mount for greater stability in readings.
SER MENU – SERVICE MENU MIN RATE SETTING MAX RATE SETTING SUB FLOW SETTING DISPLAY READING DURING ERRORS 0.0 1000.0 0.0 0.000 -500.0 500.0 50.0 0.000 -100.0 200.0 33.3 0.000 0.0 1000.0 -5.0* -50.
DSP MENU – DISPLAY MENU DSP MENU – DISPLAY MENU The DISPLAY menu parameters control what is shown on the display and the rate at which displayed items alternate (dwell time). Display Submenu — Display Options DISPLAY — Display (Choice) FLOW TOTAL BOTH The flow meter will only display the flow rate with the DISPLAY set to FLOW - it will not display the total flow. The meter will only display the total flow with the DISPLAY set to TOTAL - it will not display the flow rate.
SOFTWARE UTILITY SOFTWARE UTILITY Introduction In addition to, or as a replacement for, the keypad entry programming, the flow meter can be used with a software utility. The software utility is used for configuring, calibrating and communicating with this family of flow meters. Additionally, it has numerous troubleshooting tools to make diagnosing and correcting installation problems easier.
BASIC TAB U U l t r a L IN K D e v i c e A d d r 1 2 7 F ile E d it Vi ew Configuration Co m m u n i c a ti o n s Strategy W in d o w H el p ! Calibration E rro rs Pr i n t Pr i n t Pr ev i ew ? Ab o u t Sto p G o Step Sto p Vi ew U Device Addr 127 Ti m e: 60 M i n Sc a l e: 2000 H i sto r i c a l Da ta 2000 Flow: Totalizer Net: Pos: Neg: Sig. Strength: Margin: Delta T: Last Update: 135 Gal/Min 237 Gal 237 Gal 0 Gal 15.6% 100% 2.
BASIC TAB N OTE: This address does not set the Modbus TCP/IP, EtherNet/IP, BACnet address. That is set via the web page interface that is integrated into the Ethernet port. N OTE: Do not confuse the MODBUS address with the device address as seen in the upper left-hand corner of the display. The Device Addr is included for purposes of backward compatibility of first generation flow meter products. The device address has no function and will not change when used with this flow meter family.
BASIC TAB Transducer Spacing is a value calculated by the flow meter firmware that takes into account pipe, liquid, transducer and mounting information. This spacing will adapt as these parameters are modified. The spacing is given in inches for English units selection and millimeters for metric. This value is the lineal distance that must be between the transducer alignment marks. Selection of the proper transducer mounting method is not entirely predictable and many times is an iterative process.
BASIC TAB Min Flow is the minimum volumetric flow rate setting entered to establish filtering parameters. Volumetric entries will be in the flow rate units. For unidirectional measurements, set Min Flow to zero. For bidirectional measurements, set Min Flow to the highest negative (reverse) flow rate expected in the piping system. Max Flow is the maximum volumetric flow rate setting entered to establish filtering parameters. Volumetric entries will be in the flow rate units.
BASIC TAB Filtering Tab The Filtering tab contains several filter settings for the flow meter. These filters can be adjusted to match response times and data “smoothing” performance to a particular application. S y s te m Basic C o n fig u r a tio n Flow Filtering Output Security Display Advanced Filter Settings: Time Domain Filter: 8 Flow Filter (Damping): 80 % Flow Filter Hystersis: 5 % Flow Filter Min Hystersis: 303 psec Flow Filter Sensitivity: 3 Bad Data Rejection: 3 F i l e Op en . . .
BASIC TAB Flow Filter Sensitivity allows configuration of how fast the Flow Filter Damping will adapt in the positive direction. Increasing this value allows greater damping to occur faster than lower values. Adaptation in the negative direction is not user adjustable. Bad Data Rejection is a value related to the number of successive readings that must be measured outside of the Flow Filter Hysteresis or Flow Filter MinHysteresis windows before the flow meter will use that flow value.
BASIC TAB Flow at 4 mA / 0 Hz Flow at 20 mA / 1000 Hz The Flow at 4 mA / 0 Hz and Flow at 20 mA / 1000 Hz entries are used to set the span of the 4-20 mA analog output and the frequency output on flow only versions. These entries are volumetric rate units that are equal to the volumetric units configured as rate units and rate interval discussed on page 44.
BASIC TAB Channel 2 - RTD Configuration [for energy units Only] N OTE: The Channel 2 Menu is used to configure model specific I/O options. The flow only meter presents a different set of parameters than the energy meter. IT IS POSSIBLE TO CHOOSE OPTIONS PERTAINING ONLY TO THE FLOW ONLY MODEL WHEN AN ENERGY METER IS PRESENT. THE OPPOSITE IS ALSO TRUE. THE PROPER MENU TYPE MUST BE CHOSEN FOR THE ACTUAL METER. IF THIS CAUTION ISN’T FOLLOWED, THE OUTPUTS OR METER READINGS WILL BE UNPREDICTABLE.
BASIC TAB Channel 2 – Control Output Configuration Flow Only Two independent open collector transistor outputs are included with the flow only model. Each output can be configured independently to alarm for one of the following. See ALARM OUTPUTS for output details.
BASIC TAB Flow ON (Value) Sets value at which the alarm output will switch from OFF to ON. OFF (Value) Sets value at which the alarm output will switch from ON to OFF. Control 1 Mode: F l o w Off < 50 Gal/M On> 350 Gal/M Figure 47: Control output set for flow Signal Strength ON (Value) Sets value at which the alarm output will turn ON. OFF (Value) Sets value at which the alarm output will turn OFF.
SETTING ZERO AND CALIBRATION SETTING ZERO AND CALIBRATION Ca l i b r a ti o n The software utility contains a powerful multi-point calibration routine that can be used to calibrate the flow meter to a primary measuring standard in a particular installation. To initialize the three-step calibration routine, click on Calibration located on the top of the Data Screen. The display shown in Calibration Page 1 of 3 will appear. C a l i b r a t i o n ( Pa g e 1 o f 3 ) - Z e r o Fl o w 1.
SETTING ZERO AND CALIBRATION C a l i b r a t i o n ( Pa g e 2 o f 3 ) - G e n e r a l S e t u p Flow Rate Units: G a l l o n s / M in It i s a d v i sa b l e to F i l e Sa v e th e ex i sti n g c a l i b r a ti o n b ef o r e m o d i f y i n g i t. If th e F l o w R a te Un i ts sel ec ted o n th i s p a g e d o n o t m a tc h th e F l o w R a te Un i ts u ti l i z ed f o r th e ex i sti n g d a ta p o i n ts c o l l ec ted o n Pa g e 3 o f 3, f l o w m ea su r em en t er r o r s c a n o c c u r .
SETTING ZERO AND CALIBRATION U l t r a L IN K ! Va l u e c a n n o t b e 0. Th i s v a l u e w a s a l r ea d y set i n a p r ev i o u s sc r een ( Pa g e 1 o f 3) . OK Figure 52: Zero value error Press Finish when all points have been entered.
SETTING ZERO AND CALIBRATION Target Dbg Data Screen - Definitions 1. Calc Count – The number of flow calculations performed by the meter beginning at the time the power to the meter was last turned off and then on again. 2. Sample Count – The number of samples currently being taken in one second. 3. Raw Delta T (ηs) – The actual amount of time it takes for an ultrasonic pulse to cross the pipe. 4. 4) Course Delta T – This meter series uses two wave forms.
Page 3 BASIC MENU March 2014 Transducer Frequency English (Inches) Metric (mm) Pipe Wall Thickness PIPE WT English (Inches) Metric (mm) English (Inches) Metric (mm) Pipe Liner Thickness LINER T Numeric Entry Relative Roughness PIPE OD PIPE R English (FPS) Metric (MPS) Pipe Outside Diameter Pipe Sound Speed PIPE SS Acrylic Aluminum Brass (Naval) Carbon Steel Cast Iron Copper Ductile Iron Fiberglass-Epoxy Glass Pyrex Nylon HD Polyethylene LD Polyethylene Polypropylene PVC CPVC PVDF St Steel 3
Page 1 Page 70 FL 4MA FL 20MA CAL 4MA CAL 20MA 4-20 TST Channel 2 Options Control Number Choice CONTROL 1 CONTROL 2 CONTROL Page 2 Quaternary TOTALIZE FLOW SIG STR ERRORS NONE Control / Frequency Choices CONTROL/HZ Totalizer Multiplier Signal Strength Values ON (Value) OFF (Value) SIG STR TOT MULT (Value) TOT MULT RTD Calibration Values RTD1 A RTD1 B RTD2 A RTD2 B RTD The Channel 2 menu allows the configuration of meter specific I/O parameters RTD values are specific to a particular RTD
Page 2 March 2014 DTTN DTTH DTTL DT1500 COPPER PIPE ANSI PIPE TUBING Transducer Type Selection XDC TYPE SENSOR MENU Display Dwell Time BTCH MUL (1-32,000) Batch Multiplier BTCH MUL SCAN DWELL (1-10) SCN DWL NET POSITIVE NEGATIVE BATCH Totalizing Mode TOTAL FLOW TOTAL BOTH SOUND SPEED MPS SOUND SPEED FPS SIGNAL STRENGTH TEMPERATURE 1 TEMPERATURE 2 TEMPERATURE DIFFERENCE LOW SIGNAL CUT-OFF SUBSTITUTE FLOW SET ZERO DEFAULT ZERO CORRECTION FACTOR Items Shown on Display DISPLAY MENU DISPLAY S
COMMUNICATIONS PROTOCOLS COMMUNICATIONS PROTOCOLS MODBUS Available Data Formats Bits Bytes Modbus Registers Long Integer 32 4 2 Single Precision IEEE754 32 4 2 Double Precision IEEE754 64 8 4 Table 13: Available data formats Modbus Register / Word Ordering Each Modbus Holding Register represents a 16-bit integer value (2 bytes). The official Modbus standard defines Modbus as a ‘big-endian’ protocol where the most significant byte of a 16-bit value is sent before the least significant byte.
COMMUNICATIONS PROTOCOLS MODBUS Registers Data Component Name Floating Point Long Integer Format Single Precision Format Double Precision Format Available Units Signal Strength 40100…40101 40200…40201 40300…40303 Flow Rate 40102…40103 40202…40203 40304…40307 Net Totalizer 40104…40105 40204…40205 40308…40311 Positive Totalizer 40106…40107 40206…40207 40312…40315 Negative Totalizer 40108…40109 40208…40209 40316…40319 Temperature 1 40110…40111 40210…40211 40320…40323 °C Temperat
COMMUNICATIONS PROTOCOLS Object Description Signal Strength BACnet Object (Access Point) Notes Available Units AI1 Analog Input 1 AI2 Analog Input 2 Net Totalizer AI3 Analog Input 3 Positive Totalizer AI4 Analog Input 4 Negative Totalizer AI5 Analog Input 5 Temperature 1 AI6 Analog Input 6 °C Temperature 2 AI7 Analog Input 7 °C BO1 Binary Output 1 Writing an (1) active state to this object will reset all totalizers.
COMMUNICATIONS PROTOCOLS Network Settings IP address, IP subnet, IP gateway, and Device Description are configured through the web interface. IP address and subnet defaults to 192.168.0.100 and 255.255.255.0. Connection to the web interface requires an Ethernet crossover cable, power to the flow meter, and a PC with a web browser. Typing http://192.168.0.100 in the address bar will allow connection to the flow meter’s web interface for editing.
COMMUNICATIONS PROTOCOLS BACnet Configuration To make changes to the settings for a category, click on EDIT to access the appropriate screen. Ultrasonic Flow Meter DEVICE NAME D e v ic e C o n fig u r a tio n B A C n e t D e v i c e ID : 1 0 0 Ed i t L o c a tio n E n ter l o c a ti o n i n f o r m a ti o n h er e Ed i t N e tw o IP Ad d Su b n et M G a tew a y IP Ad d rk S e t r ess: a sk : r ess: tin g s 19 2. 168. 0. 100 255. 255. 255. 0 0. 0. 0.
COMMUNICATIONS PROTOCOLS BACnet® Object Support Nine BACnet standard objects are supported, a Device object (DEx), a Binary Output object (BO1), and seven Analog Input objects (AI1 through AI7). The BACnet/IP UDP port defaults to 0xBAC0. The Object Identifier (BACnet Device ID) and Location can both be modified through the web page interface.
BACNET PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT Protocol Implementation Conformance Statement (Normative) BACNET PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT Date: Vendor Name: Product Name: Product Model Number: Application Software Version: 03/22/2011 Racine Federated Inc TFX Ultra Flow meter TFX 1.
BACNET PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT Data Link Layer Options: BACnet IP, (Annex J) BACnet IP, (Annex J), Foreign Device SO 8802-3, Ethernet (Clause 7) ANSI/ATA 878.1, 2.5 Mb. ARCNET (Clause 8) ANSI/ATA 878.
HEATING AND COOLING MEASUREMENT HEATING AND COOLING MEASUREMENT The energy meter is designed to measure the rate and quantity of heat delivered to a given building, area or heat exchanger. The instrument measures the volumetric flow rate of the heat exchanger liquid (water, water/glycol mixture, brine, etc.), the temperature at the inlet pipe and the temperature at the outlet pipe.
RATE OF HEAT DELIVERY March 2014 Page 81
IN FIELD CALIBRATION OF RTD TEMPERATURE SENSORS IN FIELD CALIBRATION OF RTD TEMPERATURE SENSORS Replacement RTD temperature sensors used in heat flow measurements must be calibrated in the field to ensure proper operation. Failure to calibrate the RTDs to the specific BTU inputs will result in inaccurate heat flow measurements. Equipment Required: Ice Bath Boiling Water Bath Laboratory Grade Thermometer (accurate to 0.
REPLACING OR RE-CALIBRATING RTDS N OTE: An ice bath and boiling water bath are used in these examples because their temperatures are easy to maintain and provide known temperature reference points. Other temperature references can be used as long as there is a minimum delta T of 40° C between the two references. N OTE: For maximum RTD temperature below 100° C, the hot water bath should be heated to the maximum temperature for that RTD. 6. Press Calibrate and the following screen should now be visible.
REPLACING OR RE-CALIBRATING RTDS R TD C a lib r a tio n (S te p 2 o f 2 ) Ca l i b r a te R TD 1, o r sel ec t th e c h ec k b o x b el o w to c a l i b r a te b o th R TDs a t th e sa m e tem p er a tu r e. M a k e su r e th a t th e R TD i s a t a k n o w n tem p er a tu r e a n d en ter th i s tem p er a tu r e b el o w : Sec o n d Ca l Po i n t R ef er en c e Tem p ( d eg C) : R TD 1 R TD 2 1 3 Ca l i b r a ted Tem p ( d eg C) : 0 .0 ° C 0 .0 ° C Ca l i b r a ted Tem p ( d eg F ) : 3 2 .
REPLACING OR RE-CALIBRATING RTDS Check the RTDs resistance values with an ohmmeter to make sure they are not “open” or “shorted”. See Table 20 for typical RTD resistance values. Next check to ensure that incorrect “Cal Point” values were not entered inadvertently. Heat Capacity of Water (J/g°C) °C 0 1 2 3 4 5 6 7 8 9 0 4.2174 4.2138 4.2104 4.2074 4.2045 4.2019 4.1996 4.1974 4.1954 4.1936 10 4.1919 4.1904 4.1890 4.1877 4.1866 4.1855 4.1846 4.1837 4.1829 4.1822 20 4.1816 4.
REPLACING OR RE-CALIBRATING RTDS Error Codes Code Number Description Correction Warnings Hardware serial number has become inoperative – system performance will not be influenced.
REPLACING OR RE-CALIBRATING RTDS Brad Harrison® Connector Option O N 1 2 3 4 10 - 28 VDC Power Gnd. Signal Gnd. Control 1 Control 2 Frequency Out 4-20 mA Out Reset Total RS485 Gnd RS585 A(-) RS485 B(+) Modbus TFX Rx TFX Tx + Downstream Upstream + Cable D005-0956-001 (Straight Connector) D005-0956-002 (90° Connector) Bulkhead Connector D005-0954-001 2 1 3 4 Signal Gnd. 4-20 mA Out Power Gnd.
PRODUCT LABELS PRODUCT LABELS Figure 65: Product labels Page 88 March 2014
CONTROL DRAWINGS CONTROL DRAWINGS Figure 66: Control drawing I.
CONTROL DRAWINGS Figure 67: Control drawing Page 90 March 2014
CONTROL DRAWINGS Figure 68: Control drawing March 2014 Page 91
CONTROL DRAWINGS Figure 69: Control drawing Class 1 Div 2 installation, AC Page 92 March 2014
CONTROL DRAWINGS Figure 70: Control drawing Class 1 Div 2 installation, DC March 2014 Page 93
CONTROL DRAWINGS Figure 71: Control drawing DTFXE Class 1 Div 2 installation, AC Page 94 March 2014
CE COMPLIANCE DRAWINGS CE COMPLIANCE DRAWINGS 1 / 2 " X 1 - 1 / 8 " S S N PT N IPPL E DY NASONICS P/ N: D002-1203-002* M A L E C ON D U IT FITTIN G DY NASONICS P/ N: D005-09 38-002 STE E L CITY P/ N: L T7 01* FER R ITE B EA D DY NASONICS P/ N: D003-0117 -089 STE W AR D P/ N: 28B 1020-100* L OOP W IR E S TH R OUG H F E R R ITE B E AD TW O TIM E S OU TL ET B OD Y DY NASONICS P/ N: D003-0116-006 APPL E TON E L E CTR IC P/ N: C19 * A R M OU R ED C ON D U IT DY NASONICS P/ N: D002-1401-003 ANACONDA 1/ 2" U
K FACTORS EXPLAINED M A L E C ON D U IT FITTIN G DY NASONICS P/ N: D005-09 38-002 STE E L CITY P/ N: L T7 01* A R M OU R ED C ON D U IT DY NASONICS P/ N: D002-1401-003 ANACONDA 1/ 2" UA G R AY * * OR E Q UIVAL E NT Figure 73: CE compliance drawing, DC power K FACTORS EXPLAINED The K factor (with regards to flow) is the number of pulses that must be accumulated to equal a particular volume of fluid. You can think of each pulse as representing a small fraction of the totalizing unit.
K FACTORS EXPLAINED Finally, if the flow rate is two gpm, then the accumulation of 1000 counts would take place in 30 seconds because the flow rate, and hence the speed that the 1000 counts is accumulated, is twice as great. Calculating K factors Many styles of flow meters are capable of measuring flow in a wide range of pipe sizes. Because the pipe size and volumetric units the meter will be used on vary, it may not possible to provide a discrete K factor.
K FACTORS EXPLAINED Find the area of the pipe cross section. Area = πr2 3.068 Area = π 2 2 = π x 2.35 = 7.39 in2 Find the volume in one foot of travel. 7.39 in2 x 12 in. (1 ft) = 88.71in2 ft What portion of a gallon does one foot of travel represent? 88.71 in3 231 in3 = 0.384 gallons So for every foot of fluid travel 0.384 gallons will pass. What is the flow rate in gpm at 4.3 ft/sec? 0.384 gallons × 4.3 FPS × 60 sec (1 min) = 99.
FLUID PROPERTIES FLUID PROPERTIES Fluid Specific Gravity 20° C Sound Speed ft/s m/s delta-v/° C m/s/° C Kinematic Viscosity (cSt) Absolute Viscosity (Cp) Acetate, Butyl — 4163.9 1270 — — — Acetate, Ethyl 0.901 3559.7 1085 4.4 0.489 0.441 Acetate, Methyl 0.934 3973.1 1211 — 0.407 0.380 Acetate, Propyl — 4196.7 1280 — — — Acetone 0.79 3851.7 1174 4.5 0.399 0.316 Alcohol 0.79 3960.0 1207 4.0 1.396 1.101 Alcohol, Butyl 0.83 4163.9 1270 3.3 3.239 2.
FLUID PROPERTIES Sound Speed Specific Gravity 20° C ft/s m/s Methanol 0.79 3530.2 Methyl Alcohol 0.79 3530.2 Methylene Chloride 1.33 Methylethyl Ketone — Fluid Motor Oil (SAE 20/30) delta-v/° C m/s/° C Kinematic Viscosity (cSt) Absolute Viscosity (Cp) 1076 2.92 0.695 0.550 1076 2.92 0.695 0.550 3510.5 1070 3.94 0.310 0.411 3967.2 1210 — — — 0.88…0.935 4875.4 1487 — — — Octane 0.70 3845.1 1172 4.14 0.730 0.513 Oil, Castor 0.97 4845.8 1477 3.6 0.670 0.
SYMBOL EXPLANATIONS SYMBOL EXPLANATIONS REFER TO ACCOMPANYING DOCUMENTS. Flow Meter Installation EXPLOSION HAZARD - SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION 2. AVERTISSMENT RISQUE D’EXPLOSION - LA SUBSTITUTION DE COMPOSANTS PEUT RENDRE CEMATÉRIEL INACCCEPTABLE POUR LES EMPLACEMENTS DE CLASSE I, DIVISION 2. DO NOT CONNECT OR DISCONNECT EITHER POWER OR OUTPUTS UNLESS THE AREA IS KNOWN TO BE NON-HAZARDOUS. AVERTISSMENT RISQUE D’EXPLOSION.
SYMBOL EXPLANATIONS “STEEL, STAINLESS STEEL, P.V.C. PIPE” STANDARD CLASSES 0.133 Wall SCH 40 ID STD 1.049 SCH 30 Wall SCH 20 0.109 SCH 10 (Lt Wall) ID 0.140 SCH 5 1.097 1.380 0.154 0.145 Outside Diameter Wall 1.380 2.067 1.610 Nominal Pipe Size Inches 0.065 0.109 2.067 1.610 Wall ID 1.442 0.109 0.109 ID 1.185 0.065 2.157 1.682 2.5 3.500 2.875 3.834 3.334 2.709 0.083 0.083 0.083 0.083 4.260 3.760 3.260 2.635 0.120 0.120 0.120 0.120 4.026 3.548 3.068 2.
March 2014 4.000 4.500 5.563 6.625 8.625 10.75 12.75 14.00 16.00 18.00 20.00 24.00 30.00 36.00 42.00 48.00 3.5 4 5 6 8 10 12 14 16 18 20 24 30 36 42 48 22.126 18.376 16.564 14.688 12.814 11.626 0.937 0.812 0.718 0.656 0.593 0.562 0.500 3.500 3 9.750 2.875 0.406 1.939 2.375 2 2.5 7.813 1.500 1.900 1.5 47.00 41.00 35.00 29.00 23.00 19.00 17.00 15.00 13.00 11.75 9.75 7.625 5.761 4.813 3.826 3.364 2.900 2.323 1.278 0.957 ID 1.
SYMBOL EXPLANATIONS Type L 0.625 M 0.625 0.108 0.840 COPPER TUBING K 0.625 0.569 0.028 Copper & 0.625 0.545 0.040 Brass Pipe O. D. 0.527 0.049 0.030 0.750 I.D. 0.042 0.750 0.690 0.049 0.666 0.750 0.652 Wall I.D. 0.114 1.050 ALUMINUM K 3.625 Type L 3.625 M 3.500 0.250 4.000 COPPER TUBING 3.625 3.459 0.083 Copper & Brass Pipe O. D. 3.425 ALUMINUM 0.250 4.000 0.100 0.095 4.500 3.385 0.095 4.125 0.120 0.110 4.125 I.D. 0.134 4.000 4.125 3.935 Wall 3.
March 2014 20 in. 18 in. 16 in. 14 in. 12 in. 10 in. 8 in. 6 in. 4 in. 3 in. A 0.67 20.26 I.D. 21.60 O.D. Wall 0.64 18.22 I.D. 19.50 O.D. Wall 0.60 16.20 I.D. 17.40 O.D. Wall 14.16 I.D. 15.30 O.D. 0.57 12.12 I.D. Wall 0.54 13.20 O.D. Wall 0.50 10.10 11.10 O.D. I.D. 8.13 I.D. Wail 0.46 9.05 O.D. Wall 6.02 I.D. 6.90 0.44 O.D. Wall 0.42 3.96 O.D. I.D. 4.80 I.D. Wall 0.39 3.02 Wall 3.80 O.D. Size (Inches) B 20.00 0.80 21.60 18.00 0.
SYMBOL EXPLANATIONS Class E F H B C D E F 1.75 27.76 G 1.88 27.76 H Class A 1.45 26.90 Size (Inches) Cast Iron Pipe (Standard Classes) G 1.31 26.90 D 1.16 26.32 C 1.05 26.32 B A 0.98 24.00 25.80 3.96 24.26 0.76 0.48 24.00 25.80 3.96 24.28 O.D. 0.45 24.00 Wall 3.96 24.22 24 in. 0.42 24.02 33.46 3.80 24.28 33.10 0.39 I.D. 32.74 O.D. 3.00 32.40 Wall 3.06 32.00 3.12 31.74 3.02 O. D. I.D. 5.00 1.73 5.00 30.00 5.00 1.55 4.80 30.00 O.D. 1.37 2.
User Manual INTENTIONAL BLANK PAGE March 2014 Page 107
Control. Manage. Optimize. Dynasonics is a registered trademarks of Badger Meter, Inc. Other trademarks appearing in this document are the property of their respective entities. Due to continuous research, product improvements and enhancements, Badger Meter reserves the right to change product or system specifications without notice, except to the extent an outstanding contractual obligation exists. © 2014 Badger Meter, Inc. All rights reserved. www.badgermeter.