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dynasonics TFXL, Installation And Operating Instructions Manual

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dynasonics TFXL Installation And Operating Instructions Manual Download Page 9

9 

 

 

SOUND GUIDES 

CLAMP 

PC INTERFACE 

CABLE

Summary of Contents for TFXL

Page 1: ...1 MODEL TFXL ULTRASONIC FLOW METER Installation and Operating Instructions...

Page 2: ...2...

Page 3: ...anations 7 Components and Terminology 8 Flow Meter Mounting Procedure 11 Electronic Connections 14 4 20mA Output Connections 16 Pulse Output Connections 18 Applying Power 20 Software Utility 22 Mainte...

Page 4: ...mounting location with at least 10 pipe diameters upstream and 5 diameters downstream from the meter with no flow disturbances i e elbows tees needle valves etc See Figure 1 B On horizontal pipe choo...

Page 5: ...screws DO NOT OVER TIGHTEN and DO NOT ROTATE the flow meter on the pipe once the screws have been tightened E Connect 11 30 Vdc to the power terminals within the TFXL transmitter Ensure that the power...

Page 6: ...ents The TFXL compensates for gas content in the liquid and will remove gaseous content from flow rate and totalizer readings Outputs from the flow meter include 4 20 mA analog turbine frequency outpu...

Page 7: ...bient Temperature General Purpose 0 to 185 F 20 to 85 C Hazardous Area 0 to 105 F 20 to 40 C Altitude Up to 2000 meters Humidity 20 to 31 C 80 max decreasing linearly to 50 at 40 C Transient Overvolta...

Page 8: ...OW METER COMPONENTS AND TERMINOLOGY The pictures on the following two pages reference key components and their respective terminology of the TFXL flow meter These terms are utilized throughout this ma...

Page 9: ...9 SOUND GUIDES CLAMP PC INTERFACE CABLE...

Page 10: ...l IMPORTANT NOTE Must be operated by a power supply suitable for the location IMPORTANT NOTE Do not connect or disconnect either power or outputs unless the area is known to be non hazardous IMPORTANT...

Page 11: ...ion would be defined as a piping system that is completely full of liquid when measurements are being taken and has lengths of straight pipe such as those described in Figure 4 The optimum straight pi...

Page 12: ...tion due to air pockets on the top of the pipe or sediment at the bottom of the pipe It is best to plumb and orient the piping system so that it will be completely full of liquid at all times whether...

Page 13: ...re an acoustically conductive path between the transducer face and the prepared pipe surface a coupling compound is employed Enclosed with the TFXL flow meter is a tube of silicone based grease This g...

Page 14: ...For non hazardous location installations flow meter power and output signals can be carried by a single cable with multiple conductors Select a 20 24 AWG shielded cable with an external jacket suitabl...

Page 15: ...11 and 30 Vdc at a minimum of 0 25 Amps or 250 milliamps With the power from the DC power source disabled or disconnected connect the positive supply wire and ground to the appropriate field wiring te...

Page 16: ...ically to the TFXL The 4 20 mA output is designed to source current across a loop resistance that is typically located within a data acquisition system or other receiving instrument The maximum resist...

Page 17: ...block diagram of how the 4 20 mA interfaces with the receiving device Connect the wires to the appropriate Field Wiring Terminals within the TFXL enclosure See Figure 9 TFXL Flow Meter Receiving Devi...

Page 18: ...rfacing directly with a turbine flow meter s magnetic pickup The output is a relatively low voltage AC signal that is not ground referenced The minimum AC amplitude is approximately 500 mV peak to pea...

Page 19: ...eter input terminals on the receiving instrument and verifying that the K factor listed on the side of the TFXL enclosure is programmed into the receiving instrument This output is not referenced to D...

Page 20: ...the frequency input negative or DC common connection in the receiving instrument See Figure 11 J APPLYING POWER TO THE TFXL The TFXL flow meter requires a full pipe of liquid before a successful star...

Page 21: ...rease between the flow meter transducer and the pipe a broken connection between a transducer and the main circuit board check wire terminations under the display The display may indicate a flow rate...

Page 22: ...Installation 1 Place the enclosed diskette or CD ROM into the diskette or PC CD ROM drive 2 If the CD drive is setup to automatically launch setup files when it is closed the installation Unwise Inst...

Page 23: ...been run on the computer UltraLink will test Communications Port 1 for connection with the TFXL meter If Comm port 1 is already in use by another application UltraLink will prompt for another Comm po...

Page 24: ...tions button on the top bar Click on Initialize Choose the appropriate COM port and RS232 Proper communications are established when a green OK is indicated in the lower right hand corner of the PC di...

Page 25: ...nit and rate time base from the two lists Totalizer Units are selected from pull down lists Select an appropriate totalizer unit and totalizer exponent The totalizer exponents are in Scientific Notati...

Page 26: ...26 Exponent Display Multiplier E 1 X 1 No multiplier E0 X 1 No multiplier E1 X10 E2 X100 E3 X1 000 E4 X10 000 E5 X100 000 E6 X1 000 000 TABLE 1 Totalizer Exponent Values Figure 14 Flow Tab...

Page 27: ...provides an error indication Low Signal Strength Error 0010 on the TFXL display when liquid conditions in the pipe have changed to the point where flow measurements may not be possible warns if the p...

Page 28: ...user is not going to utilize input output functions click on the Download button to transfer the configuration to the TFXL instrument 7 ADVANCED TAB See Figure 15 The Advanced TAB contains several fil...

Page 29: ...w readings and outputs Flow Filter Hysteresis creates a window around the average flow measurement reading whereby if the flow varies within that window greater Flow Filter Damping will occur The filt...

Page 30: ...esis windows before the flow meter will use that flow value Larger values are entered into the Bad Data Rejection when measuring liquids that contain gas bubbles as the gas bubbles tend to disturb the...

Page 31: ...to 1000Hz Multiply the maximum flow rate times 1000Hz then divide by the re quired frequency at maximum flow 3 Enter this value in the Flow 1KHz field Example Maximum Flow Rate 400 GPM Desired K facto...

Page 32: ...ow to display flow rate only on the display Select Total to display the flow accumulator only on the display Select Both to periodically toggle between rate and accumulated flow displays Display Total...

Page 33: ...33 Figure 17 Display Tab Display Dwell Time Enter a value between 1 and 10 seconds to establish how long the flow meter will display flow rate then accumulated total then rate and so on...

Page 34: ...tion To initialize the three step calibration routine press the Calibration button located on the top of the UltraLink Data Screen The display shown in Figure 18 will appear The first step in the cali...

Page 35: ...valve Wait until the delta time interval shown in Figure 19 is stable and typically very close to zero Press the Set button Press the Next button when complete then press the Finish button on the Cal...

Page 36: ...dow and press the Set button Repeat for as many points as desired Note If only two points are to be used zero and span it is preferred that a flow rate as high as anticipated in normal operation is us...

Page 37: ...r flow meters or may be recalled should the same pipe be surveyed again or multiple meters programmed with the same information Printing Out a Flow Meter Configuration and Calibration Report Select Fi...

Page 38: ...layed on the Screen The flow meter is not mounted onto the pipe using an acoustic couplant The acoustic couplant is not uniform between the flow meter transducer and the pipe The liquid contains more...

Page 39: ...ed freight prepaid by the Company Any repaired products shall be warranted for the remainder of the unexpired Warranty Period plus the amount of time the product was under repair or for a period of 90...

Page 40: ...r service department at 800 535 3569 or 262 639 6770 to obtain an RGA number for the authority and tracking of your material and its proper inspection and return All returns of equipment must go to th...

Page 41: ...41...

Page 42: ...42 NOTES...

Page 43: ...43...

Page 44: ...44 TFXL O M REV 11 05 8635 WASHINGTON AVENUE RACINE WI 53406 TOLL FREE IN NORTH AMERICA TEL 800 535 3569 FAX 800 732 8354 TEL 262 639 6770 FAX 262 639 2267 URL www dynasonics com...

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