Manual Tofting TF-100W Energy
Contents
1. for Small rack transducer for Medium rack transducer 11 Standard S1 for high temp Small transducer 10 Standard L1 for high temp Large transducer 13 Pl type for Prover pipeline transducer amp Low flow transducer for clamp on Medium transducer for standard Insertion transducer 16 Clamp on TM 14 17 Inserction TC 1 18 Clamp on TS 1 for clamp on Small transducer 20 Clamp on TL 1 for clamp on Large transducer 21 Inserction TLC 1 for large Insertion transducer Window for selecting the transducer mounting methods Four methods can be selected 0 V method 1 Z method 2 N method 3 W method Display the transducer mounting spacing 1 A switch for the parameters in flash memory will be loaded when power is turned on The default option is that the parameters will be loaded If this switch is not turned on the system will try to use the parameters in the system RAM if these parameters are ok or the system will load the parameters in flash memory 2 Function to store the current parameters into the flash memory Entry to store to or restore from the internal Flash memory as many as 9 different pipe parameter configurations Select YES or NO for the instrument to determine whether or not to hold or to keep the last correct value when poor signal condition occurs YES is the default setup Pipe empty setup Enter a value ranging from 00 to 99 is the default value The flow2. e euuuuuuuu AAA HUU III HLHLH 32 AZZ HOW to se relay oUtpUlaaees ue GU WE TW O NOD GR LO 32 Cech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 3 38 Tofting TF 100W 4 23 How to modify tim eueeueueuueuuueuuyunau AAA III IAIAIIAAUIAIIAUIIAAIIAIIIAIIIAAUIIIA III III III IIu 33 4 24 How to adjust LCD display screen uuuuuuuususuru uu III III III HIL 33 4 25 How to use RS232 RS485 Interface cssssssssssessesssessesssessesessssssssesscsssesssseseassesstsssssseseess 33 4 26 How to check the flow of everyday every month every year 33 4 27 How to make up flow automatically after the power supply was turned off 34 4 28 How to use the Working Timer uuuyuyny yW III 34 4 29 How to use the Manual tOtaliZer nnueueueuuu AIII III III III 34 4 30 How to know how long the battery will laSt euueuuuu iei iuieieueuooh 34 4 31 How to check the ESN and other minor details cccsseesesssssesesesseseseseeeseeeeen 34 5 Calorie heat and other physical measurements 35 5 1 Calorie measurement SUMMALY sssssssssssssessssessssessssessssessssessssessssessssessssessssessssessssessesesesssees 35 5 2 PT100 resistance CONNECTION sscsccssesssssesssssesessssssescsesssessesesssssessescsesessesesseesesaeatseses
3. Protocols MODBUS Fuji extended protocol and other factory protocol Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 7 38 Tofting TF 100W 2 Installation and Measurement 2 1 Wiring diagram 1 S 53 s4 55 56 S 5 M TA GD T2 W aD AE Mi du du Water supp Water back Analogue Input IF 2 BM 8 EREEREER GYSIGIOIOIO Iolo i ee ole 2 a Af Turi 5 amier 8 pg qf J8M0d D0 Arc jnduj enBojeuy pno enBopuy yuz J8eMod J OND MoJ Iy 2 2 Keypad The keypad for the operation of the flow meter is as shown by the right picture EE EA c a 6 A Keys 0 9 and are keys to enter numbers Key is the going UP key when the user wants to 3 go to the upper menu window It also works as the key when entering numbers pe lt Key is the going DOWN key when the user wants to go down sided menu window It also works as the Key when entering numbers Key is backspace key when the user wants go left or wants backspace the left character that is located to the left of the cursor Key ENT is the ENTER key for any inputting or selections Key is the key for the direct menu window jump over Whenever the user wants to proceed to a certain menu window the user can press this key followed by 2 digit numbers The key is shortened as the M key afterward when referring to the menu windows The k
4. Transducer Valve base Valve Locknut Locknut Wire box Cablle 2 6 2 9 Insert lenght Calculate the transducer insert length into the inner pipe size We know transducer length A and pipe thickness B L the length of pipe outside can be measured too then L A B and let C 0 2 6 2 10 Wiring diagram Transducer cable Water Joint tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 17 38 Tofting TF 100W 2 6 3 For Prover pipeline transducer T Type Sensor DN15 40mm Standard Prover sensor DN50 6000mm Prover pipe transducer Connection of Diameter range DN15 40mm is thread Connection of Diameter range DN50 6000mm is flange 2 6 4 Wiring Connection Negative Positive i w Positive Au Wy Negati n egative g AN J gt Shielding Wiring an Water Joint ne r Special Cable 7 2 6 5 For Low flow transducer The diameter is 6 mm at present and the connection is insertion fitting which is connected with tube Wiring RedLine Upstream RED Wire lt _ White Line Upstream Red Line Downstream Blue Wire lt White Line Downstream Cech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 18 38 Tofting TF 100W 2 6 6 PT100 Platinum Resistance Installation Installation Tool When you inst
5. Impossible wekling matenal 2 6 2 7 Drill hole Connect the hole opener keeper and specific ball valve outer thread screw tightly open the ball valve push the drill bar till it touch the outside of the pipe Keep the drill and drill bar connect tightly and turn on the power to start drilling During drilling Keep the drill rotating slowly so that drill smoothly After feel drill through take out the drill bit till the front of the hole opener drill bit guit out to the center of ball valve and then turn off ball valve take off the hole opener lt is better to turn on the ball valve a little and clean the bitter of iron so that convenient to the fitting of transducer Pipe 2 Valve base 3 Valve 4 Drill locator 5 19 drill bit Seal ring O Dril pipe 8 Electric drill tech Mar gelh j 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 16 38 Tofting TF 100W 2 6 2 8 Installing transducer Screw nut till the end of sensor screw the transducer into the specific ball valve guider thread and when screw into the center of ball valve open the ball valve and screw the transducer go on till the upper side of the transducer extend out of the inner side of the pipe and adjust the angle of transducer the two transducer input line hole should up or down meantime screw tightly the nut and finally connect the line well seal well with the silicon seal rubber
6. lt S Z o N P Window for selecting the liner material select none for pipes without any liner Standard liner materials that the user need not know the speed include M16 1 Tar Epoxy 2 Rubber 3 Mortar 4 Polypropylene 5 Polystryol 6 Polystyrene 7 Polyester 8 Polyethylene 9 Ebonite 10 Teflon Window for entering the liner thickness if there is a liner Window for entering the ABS thickness of the inside wall of the pipe Window for selecting fluid type For standard liquids that the user need not know the liquid speed include 0 Water 1 4 Fuel oil 5 7 Butane atOC M18 19 M Sea Water 2 Crude Oil 6 2 Kerosene 3 Gasoline Other liquids Propane at 45C 9 Diesel Oil 12 90 Gasoline 15 Hot water at 125C M20 10 Caster Oil 13 93 Gasoline 1 Peanut Oil 4 Alcohol 8 1 1 Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 22 38 Tofting TF 100W Window for selecting the proper transducers There are 23 different types of transducers for selection If the user type transducers is selected system will prompt another 4 user type wedge parameters to be input If the Pl type transducer is selected the system needs also another 4 Pl type transducer parameters Common use 8 Standard HS 9 Standard HM 10 Standard M1 for high temp Medium transducer
7. 2 Windows in blue are energy related windows 3 The term totalizer is also called accumulator tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk I if i K a A Y g User Manual Ver 2 0 Page 27 38 Tofting TF 100W 4 How to 4 1 How to judge if the instrument works properly Enter into M08 if R is displayed on the screen the instrument is working properly If E is displayed the current loop output is over ranged Increasing the range setting in M57 will make the E letter disappear If you do not use current loop output you may ignore this error If O is displayed the freguency output is over ranged Increasing the range setting in M69 will make the G letter disappear If you do not use frequency output you may ignore this error If an H flashes on that place there could be poor signal received Please refer to the chapters on diagnosis If G is displayed the flow meter is adjusting system gain This is normal as far as it does not last long time If an T is displayed it means that there is no signal detected If J is displayed there is hardware problem Turn off the power then turn on the power again If the problem remains refer to Chapter 5 for diagnosis details 4 2 How to judge the liguid flowing direction 1 Make sure that the instrument works properly 2 Check the flow rate for the indication If the displayed value i
8. to the spacing value V method Installation V method installation is the most widely mode for daily measurement with pipe inner diameters ranging from 15 mm to 200 mm It is also called reflective mode Upstream Transducer kz Downstream Transducer cn s Transducers Spacing Z method Installation Z method is commonly used when the pipe diameter is above 200mm y zx Upsiream Transducer W method Installation W method is usually used on plastic pipes with a diameter from 15mm to 50mm gym y Upstream Transducer SSE ES j Transducers Speang N method Installation Rarely used method tech Mar gelh j 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 13 38 Tofting TF 100W 2 6 2 For Insertion transducer 2 6 2 1 Installation The new generation insertion type transducer combines the features of clamp on and pipe transducer together the details as follows High accuracy measuring the sending crystal contact with the measure liquid directly increase the accuracy and running stabilization of the flow meter Under pressure and non stopping flowing install the insert type transducer with the professional hole opener therefore you can operate normally and also need not stop flow when maintaining Comparing with magnetic flow meter it is much economic and accurate when measuring large size pipe 2 6 2 2 Installation Tool When you install th
9. and test the current loop output before using it Just go to menu M58 and do the following First connect an ammeter to the current loop output Press MENU 5 8 then to enter into menu M58 Use and to display OmA 4mA 8mA 16mA 20mA orderly record the corresponding reading on the ammeter Calculate the differences between the readings and the selected ones For instance when 4mA is selected the actual output current shown on the ammeter is 4 01mA Then the difference is 0 01mA If the differences are not within tolerance calibrate the current loop The present current loop output is displayed in Window M59 It changes along with flow rate change 4 16 How to use the Analog voltage Output There are two ports 21 22 port on the current loop output which is paralleling connected with a 250 resistance so that convert 4 20mA to 1 5V analog voltage output Cech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 31 38 Tofting TF 100W 4 17 How to use the Frequency Output There is a Frequency Output in all TF 100W series flow meters This frequency output signal which represents the flow rate is intended to connect with other instruments The Frequency Output is totally user configurable Generally four parameters should be configured for the setups Enter the lower flow rate value in window M68 and the higher flow rate value in window M69 E
10. position paper like Parallel line E Get rid of the position paper from point C measure the fitting distance L and get the point B than decide the fitting position of point A and B for example L 280mm Welding the valve outlet on point A and point B Take notice that the center of valve must be overlap with point A and point B tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 15 38 Tofting TF 100W 2 6 2 6 Welding the valve outlet For the possible welding material such as steel stainless steel Note Stainless steel material should order stainless steel valve base you just need weld the valve outlet on the pipe outside Clean the pipe surface before welding Keep out of gas hole otherwise it will lead to leakage or even crack For the impossible welding material Such as casting iron cement pipe must use ordered pipe clamp Seal with rubber pad valve outlet welding on the pipe clamp and clamp tightly on the measured pipe Keep the center of valve outlet overlap with point A and point B Seal well after clamp the valve outlet tightly on the pipe outside and prevent from leakage Wrap the seal material on the valve outlet and screw up the valve Valve N Valve Valve Valve A N o y E i y HHH HHR JEE Valve base welding on pipe clamp Valve base N welding on pipe NN Possible welding material Pipe clamp nA
11. tech dk User Manual Ver 2 0 Page 11 38 Tofting TF 100W 2 6 Transducers Installation 2 6 1 For Clamp on transducer Examples of optimum locations Principles to selection of an optimum location Install the transducers on a longer length of the straight pipe The longer the better and make sure that the pipe is completely full of liquid Make sure that the temperature on the location does not exceed the range for the transducers Generally speaking the closer to the room temperature the better Take the pipe fouling into consideration Select a straight length of a relatively newer pipe If the condition is not satisfying consider the fouling thickness as part of the liner for a better result Some pipes have a kind of plastic liner and between the outer pipe and the liner there may be a certain thickness difference that will prevent the ultrasonic waves from direct traveling Such conditions will make the measurement very difficult Whenever possible try to avoid this kind of pipes If impossible try our plug in transducers that are installed permanently on the pipe by drilling holes on the pipe while liquid is running inside The transducers used by the TF 100W series ultrasonic flow meter are made of piezoelectric crystals both for transmitting and receiving ultrasonic signals through the wall of liquid piping system The measurement is realized by measuring the traveling time difference of the ultrasonic signals Since the di
12. to advance 5 lines of paper Command to print the pipe parameters entered by the user The printing M97 data can be directed either to the internal serial bus or to RS 232 serial interface Command to print the diagnostic information The printing data can be directed either to the internal serial bus or to RS 232C serial interface either to the internal serial bus or to RS 232C serial interface Browse the 32 recorded instrument power on and power off date and time with the flow rate at the time of power on and off Displays the last power off flow rate Displays how many times of instrument has been powered on A scientific calculator for the convenience of field working All the values are in single accuracy M 5 Enter a number as the velocity of the liquid for the system to determine M 6 i i if another kind of liquid is running Displays total flow for this month only for the time past Displays total flow for this year only for the time past Not working total time in seconds It include the time when power off if M 9 i the back up battery is applied Entry to solidify the zero point Password protected Setup the O value threshold If O is below this threshold flow rate will be set to 0 The maximum flow rates for today and this month Serial port tester with CMM command output for every second Entry to hardware adjusting windows only for the manufacturer Note 1 Windows in Red are new to our older version of flow meter
13. totaliser data of the last 64 days 64 months 5 years Other functions The power on time and corresponding flow rate of the last 64 power on and off events Allow manual or automatic flow loss compensation The instrument working status of the last 64 days Steel stainless steel cast iron cement pipe copper PVC aluminum material FRP etc Liner is allowed Size 15 6000mm In the upstream it must be beyond 10D in the downstream it must be beyond 5D in the upstream the length must be beyond 30D from the access of the pump D stands for pipe diameter Water sea water industrial sewage acid amp alkali liquid alcohol beer all Types l i cone Pae Ea kinds of oils which can transmit ultrasonic single uniform liquid Liquid Temperature Standard 30 C 90 C High temperature 30 C 160 C Turbidity Less than 10000ppm with a little bubble re Flow Direction Bi directional measuring net flow heat measuring Main Unit 30 C 80 C Temperature Transducer 40 C 110 C Temperature transducer select on enquiry Environment i i Humidit Main Unit 85 RH umidi 7 Transducer water immersible water depth less than 3m wisted Pair Line standard length of 20m can be extended to 500m not recommended Cable Contact the manufacturer for longer cable requirement Straight pipe section RS 485 interface transmission distance up to 1000m Power Supply AC220V or DC24V Consumption
14. ultrasonic transmitters and receivers The transducers are clamped on the outside of a closed pipe at a specific distance from each other The transducers can be mounted in V method where the sound transverses the pipe twice or W method where the sound transverses the pipe four times or in Z method where the transducers are mounted on opposite sides of the pipe and the sound crosses the pipe once This selection of the mounting method depends on pipe and liguid characteristics The flow meter operates by alternately transmitting and receiving a freguency modulated burst of sound energy between the two transducers and measuring the transit time that it takes for sound to travel between the two transducers The difference in the transit time measured is directly and exactly related to the velocity of the liquid in the pipe show as follows Downstream transducer MD AT sin20 Tp down Where E 9 is the include angle to the flow direction y M is the travel times of the ultrasonic beam spacing pstream transducer D is the pipe diameter Tup is the time for the beam from upstream transducer to the downstream one Taown IS the time for the beam from downstream transducer to the upstream one AT Tup T down tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 5 38 Tofting TF 100W 1 4 Typical application The wall mounting flow meter can be ap
15. There is no receiving signal There is poor signal received The flow meter is not in normal measurement modes Reverse flow 5 Overflow occurs at the analogue output by 100 or more Overflow occurs at the frequency output by 120 or more for Alarm 1 and in windows M75 and M76 for Alarm 2 Cech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 32 38 Tofting TF 100W Example A Assume we need the Buzzer to start beeping when the flow meter is not ready in normal measurement Switch to M77 select item 2 Abnormal Measurement State Example B Assume we need the Buzzer to start beeping when the flow rate is less than 300 m h and greater than 1000m h The following setup steps would be recommended 1 Enter flow rate lower limit 300 in M73 for 1 alarm 2 Enter flow rate upper limit 1000 in M74 for 1 alarm 3 Select item 6 Alarm 1 in M77 Example C Assume we need the OCT output to activate when flow rate exceeds 100 500m h and the relay output to activate when flow rate exceeds 600 1000m3 h The following setup steps would be recommended 1 Enter flow rate lower limit 100 in M73 2 Enter flow rate upper limit 500 in M74 3 Enter flow rate lower limit 600 in M75 4 Enter flow rate lower limit 1000 in M76 5 Select item 6 Alarm 1 in M78 6 Select item 6 Alarm 1 in M79 4 20 How to use the built
16. UI III IU LL 28 4 8 How to restore the flow meter with default setUpS sn serrrerrresrrrsrnrnsnresrresnrensnronnresnrnns 28 4 9 How to use the damper ccssssssssssesesesessssesesessssescsssessesescecsesescsssussesescssessaeetessesseseansessssnansesesas 28 4 10 How to use the zero cutoff function eeeuuuuuu III III ILIIIIIUIIIUHHH 28 4 11 How to setup a Zero Doint uuueueuuuu AIII IAU III LII IL 29 4 12 How to get a scale factor for calibration cccsssessesessessssssessesessessssessssesssesseseesesesasseses 29 4 13 How to use the system lOCKE 00 0 ecssssssssssssssssssssessssssesssscsessssesssssssessesseessesatacsesstessecseesesees 29 4 14 How to use fixed time data output FUNCTION 0 ec eeesesessesessssesessssessesssessseseesessseeetseeeees 29 4 15 How to use 4 20mA current loop OUtDUL ce eessesesessesssesessesssssessestsssesesteetsnessseeneneeees 30 4 16 How to use the Analog voltage Output ecesssssssssessesessssessesessessssesssseseseesssessssessensen 30 4 17 How to use the Frequency Output cessssssssessssesssessssssesssssssssssssesscssssssssssesssessesssseeesess 31 4 18 How to use the Totalizer Pulse Output w ce csssssesssessessssssesessssssesseesseseesssesesssenseessssess 31 4 19 How to produce an alarm signalu AIII III UI III 31 4 20 How to use the built in BuZZeT eeuuuuuuu rU IUUIUIUIIIIIUIUI UI IIIIUIH II H H 32 4 21 How to use the OCT outpull
17. all the PT100 Platinum Resistance the hole opener 0 8mm drill and wrench screwdriver ect tools should be prepared Installation steps After installation of flow transducers thus choose a stable flow and full pipe position on the downstream of the supply pipe to install a platinum resistance and next also choose a stable flow and full pipe position on wherever the return pipe to install ather platinum resistance Put and weld the base on the position where you want to install the platinum resistance and then push the hole opener driller with diameter about 8mm drill bit into the center of the base until tough the surface of the pipe and then dig a hole on the pipe Next insert the bushing into the hole finally put carbon rod into the bushing and weld it 2 7 Installation Checkup Through the checkup of the installation one can check the receiving signal strength the signal quality Q value the traveling time difference of the signals the estimated liquid speed the measured traveling time of the signals and the calculated traveling time ratio Therefore optimum measurement result and longer running time of the instrument can be achieved 2 1 Signal Strength Signal strength indicates the amplitude of receiving ultrasonic signals by a 3 digit number 00 0 means there is no signal detected and 99 9 refers to the maximum signal strength that can be received Although the instrument works well if the signal strength ranges f
18. any as 12 point data can be input Displays the input contents for the serial port Switches for the built in data logger There are as many as 22 different items can be chosen Time setup for the data logger Thermo printer 1 Data logging direction control If Send to RS485 is selected all the data produced by the data logger will be transmitted out through the RS 232 RS485 interface M47 M48 M49 M50 M51 wie 2 If To the internal serial BUS is selected the data will be transmitted to the internal serial bus which allows thermal printer 4 20mA analog output module M53 Display the converted value and current value for analog input AI5 M54 M55 M56 M57 M58 M59 Calendar Press ENT for modification Use the dot key to skip the digits that need no adjusting Display Version information and Electronic Serial Number ESN that are unigue for each TF 100W series flow meter The users can employ the ESN for instrumentation management M62 RS 232 RS485 setup Baud rate can be 300 to 19200 bps Communication protocol selection Default is for protocols which have ASCII format such as MODBUS ASCII Meter BUS Fuji extended protocol huizhong s various protocols The other select is for MODBUS_RTU 20mA current should be inputted M65 M66 OHz 9999Hz Default value is 1 1000 Hz M68 M69 seconds the backlight will be on with every key pressing value is entered tech Mar gelh j 9 DK 8520 Lystr
19. asanssess 35 5 3 Menu details about temperature measurement cceesesssesesesesesesesesessssseseeseetensrsteeeeees 35 5 4 About temperature measurement value OUTPUL cecessssesssesesssesessssssesesessestsssesesssseess 36 6 Behe es 5 rob beeen meer kere ieee Y mer eter Serer errr on ree yer errr 37 Cech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 4 38 Tofting TF 100W 1 Introduction 1 1 Preface Welcome to use new generation transit time ultrasonic flowmeter please read the user manual carefully before using The wall mount ultrasonic flowmeter is designed to be installed in a fixed location for long term flow measurement 1 2 Features Linearity 0 5 Repeatability 0 2 Accuracy 1 Easy to operate Several type transducers for selection measuring pipe size is from DN15mm to DN6000mm Adopt low voltage multi pulse technology to improve accuracy useful life and reliability Powerful Recording Function record the totalizer data of the last 64 days 64 monthes 5 years 1 3 Flow measurement principle The TF 100W ultrasonic flowmeter is designed to measure the fluid velocity of liguid within a closed conduit The transducers are a non contacting clamp on type which will provide benefits of non fouling operation and easy installation The TF 100W transit time flowmeter utiliZes two transducers that function as both
20. d water back pipe to T1 TX1 T2 TX2 GND terminal 2 After setting parameter remember to store parameter in MENU 26 to avoid parameter lose after turn off Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 2 5 Transducers Mounting Allocation Page 10 38 Tofting TF 100W The first step in the installation process is the selection of an optimum location in order to obtain a more accurate measurement For this to be completed effectively a basic Knowledge about the piping and its plumbing system would be advisable An optimum location would be defined as a straight pipe length full of liguid that is to be measured The piping can be in vertical or horizontal position The following table shows a Upstream Downstream Piping Configuration Dimension Dimension and L up L dn Trans duc er Po Ss t ion x Diameters x Diameters L up Ldn a a COO D 10D 5D o L up Ldn A C6 i 6n K 1 OD 5D B L up Ldn M T a i 13 10D 5D L up Ldn L _ 12D 5D L L up Ldn ED 20D L up Ldn a 20D 5D L up Ldn 7 6b CSD 20 5D Cech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www
21. e insertion type transducer the hole opener watt drill and wrench screwdriver ect tools should be prepared 2 6 2 3 Installation space Input the required parameter first you will get the installation space in M25 install transducer depend on the installation space 2 6 2 4 Installation method There is only one type installation method with insertion type transducer Z method over 80mm 2 6 2 5 Installation steps Input the parameter to get the installation space L L inner diameter 9 113mm the installation space is the center distance between two transducer keep the two sensor in the same section of axle A Setting position take a piece of paper which length 4D D is the diameter of pipe width 200mm or D draw a line distance 100mm from edge like 100mm Paper lt gt 200mm orD Draw 4D D is outer diameter tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 14 38 Tofting TF 100W B Wrap the paper on the cleaned surface of the pipe keep the two edge overlap then the drawing line will Keep parallel with the axle like Axle line C Extend the fitting paper line to the pipe the node between drawing line and fitting paper edge is A like A Parallel lines NY y axle line D From point A measure out half of the perimeter from the position paper edge and this point is C draw a line perpendicular from the edge of
22. ease teeter ree WRN PRYF WERN FFO TOR FF YF RH TENAU 17 20 9 FOF LOW HOW an Uc eniran EE CAT BNR ON 17 2 6 6 PT100 Platinum Resistance InstallatiOn euuuuuuuiuiiuiiiiiiiiuiiusuuiuiiuiuunuo 18 2 7 Installation CNECKUDP ccsssssssssssssssssssessssssessessssssssssesecsssnssesesesessssesseessssssaesssesstessassnseseasaeeaeeees 18 o ei OO a A E 18 ZiT olga gual ersen AFAN O E EEEE 18 2 7 3 Time Ratio between the Measured Total Transit Time and the Calculated Time 19 3 Menu Window Details eeosesosesosssecsesosescssecosecoseecssesosescsesesssessescsssoss 20 3 1 Menu Windows Arrangement s seesssrssssresrnrssnrssnressnensneosnresnneonnnonnnennreonnennnrosnrennneonnronnnnnnneonns 20 Sez Men Window Detalls Gu AO CC EDW NY ADF NE NAY Ee 21 FV I I OFO CG WN A O YU 27 4 1 How to judge if the instrument works properly ceesesessessesessesesessssesessessseessseeseseeseseeses 27 4 2 How to judge the liquid flowing direction ccssssssssssssssssessssssessesessessssessssessseesssetsssessssesses 27 4 3 How to change between units systems e euuueueusuu III IU UI III 27 4 4 How to select a required flow rate unit ueeueueuuu III III IIIHH 27 4 5 How to use the totalizer Multiple factor uuuuuu III II LLI LLHH 28 4 6 How to open or shut the totaliZers nueueuuuu III III II LIII 28 4 7 How to reset the totaliZers uueueuuuuuu AIII
23. ers The following parameters need to be configured for a proper measurement 1 2 3 maA O A nx O lt 7 8 O Nr Pipe outer diameter M11 Pipe wall thickness M12 Pipe materials M14 for non standard pipe materials the sound speed for the material must be configured too Standard pipe materials and standard liquids refer to those with the sound parameters that have already been programmed into software of the flow meter therefore there is no need to configure them Liner material and its sound speed and thickness if there is any liner M16 Liguid type for non standard liguids the sound speed of the liguid is also needed M20 Transducer type adapted to the flow meter Five types transducers sensors in M23 Please refer to 3 2 Menu Window Details Transducer mounting methods M24 The V method or Z method is the common option Check up the Space displayed on M25 and install the transducers accordingly Store the parameter setup M26 For standard pipe materials and liguids the following step by step setup is recommended 1 Press keys IMENU to enter M11 window to input the digits for the pipe outer diameter and then press ENT key Press key to enter M12 window to input the digits for the pipe outer diameter and then press key Press key to enter M14 window and press ENT key to enter the option selection mode Use keys and to scroll up and down to the intended pipe materia
24. ey is for the power on The OFF key is for the power off Cech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 8 38 Tofting TF 100W 2 3 Menu Windows The user interface of this flow meter comprises about 100 different menu windows that are numbered by MOO MO1 MO2 M99 There are 2 methods to enter certain menu window 1 Direct going entering The user can press the MENU key followed by two digit number keys For example the menu window M11 is for the entering of pipe outer diameter The display will go to the M11 menu window after the user presses MENU 2 Pressing and keys Each time of the key pressing will proceed to the lower numbered menu window For example if the current window is on M12 the display will go to the number M11 window after pressing the key There are three different types of menu windows 1 Menu windows for number entering like M11 for the entering of pipe outer diameter 2 Menu windows for option selection selecting options like M14 for the selection of pipe materials 3 Displaying windows only like MOO to display Velocity Flow Rate etc For number entering windows the user can directly press the starting digit key when the user is going to modify the value For example when the current window is on M11 and the user is going to enter 219 2345 as the pipe outer diameter the user can get the n
25. ference M74 M75 M76 M79 M80 M82 M83 M84 M85 M86 M87 M88 lt co EN NIG 2 The window to set the lowest temperature difference Display signal strength and signal quality Q value Signal strength is presented by 00 0 to 99 9 the bigger the value the M90 bigger the signal strength will be and more reliable readings will be made Q value is presented by 00 to 99 the bigger the better It should at least be great than 50 for normal operations Displays the Time Ratio between the Measured Total Transit Time and the Calculated time If the pipe parameters are entered correctly and the M91 transducers are properly installed the ratio value should be in the range of 100 3 Otherwise the entered parameters and the transducer installation should be checked Displays the estimated fluid sound velocity If this value has an obvious M92 difference with the actual fluid sound speed pipe parameters entered and the transducer installation should be checked again Displays total transit time and delta time MEU Transit time difference program 1 Display the positive and negative energy totalizers M95 Entry to start the loop displaying windows from MOO M08 to M90 M95 The loop displaying will stop when any key pressed Cech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 26 38 Tofting TF 100W Command for the thermal printer
26. fference is very small the spacing and the alignment of the transducers are critical factors to the accuracy of the measurement and the performance of the system Meticulous care should be taken for the installation of the transducers 2 6 1 1 Steps to the installation of the transducers Locate an optimum position where the straight pipe length is sufficient and where pipes are in a favorable condition e g newer pipes with no rust and ease of operation Clean any dust and rust For a better result polishing the pipe with a sander is strongly recommended Apply adequate coupling gel to the spot where the transducers are to be installed and leave no gap between the pipe surface and the transducers Extra care should be taken to avoid any sand or dust particles left between the pipe outer surface and the transducers To avoid gas bubbles inside the upper part of the pipe the transducers should be installed horizontally by the side of the pipe 2 6 1 2 Wiring diagram of transducer BLACK K Shieding Terminal A Transducer cable Water joint be tech Mar gelh j 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 12 38 Tofting TF 100W 2 6 1 3 Transducers Spacing The spacing value shown on menu window M25 refers to the distance of inner spacing between the two transducers The actual transducers spacing should be as close as possible
27. git number that provides the information of version and manufacturing date The user can also employ the ESN for instrumentation management The ESN is displayed in window M61 Other details about the instrument are the total working hours displayed in window M 1 and the total power on times displayed in window M 4 tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 35 38 Tofting TF 100W 5 Calorie heat and other physical measurements 5 1 Calorie measurement summary TF 100W has two road 3 wire PT100 standard temperature measuring interface which can measure temperature range from 40 to 160 degree celcius After calibration the error less than 0 1 during 0 150 degree celcius The temperature signal could be inputed by AI3 Al4 port of TF 100W series ultrasonic calorimeter heat meter 5 2 PT100 resistance connection Connect the earth wire of the two PT100 resistances to port 66 as a common ground which there is a label GND on the circuit board The power supply port and signal port of liquid supply loop temperature transducer sensor should be connected with TX1 and T1on the right of circuit board respectively The power supply port and signal port of liquid return loop temperature transducer sensor should be connected with TX2 T2 respectively Note The temperature measurement and flow measurement share a same earth wire 5 3 Menu details abo
28. i i ND DWM Rat SF A Gei ha ms oe y x 2 i Mn CMM He 0 Yi a ur ab gt Ts User Manual Ver 2 0 Page 2 38 Tofting TF 100W Table of Contents ie ie rm 1 n pete nett HT RG NW RH PH Y TH AN FANA 4 Tal il TO OC ae YAA CYNON CY CYNFYN YCW GODA 4 T2 AUS Sgt tes deca E FU Fa Fn NS GACEN e Ea r ca EOFN IU GOD GO CU 4 1 3 Flow measurement principl uu uuuuuue IAU IAU HIL 4 t4 iele kre eo Loc a un PN FC RT S 5 to PTrodHCLldenuiicaUo s ei Y in O YAA DWYN ND WRAN YS FYW a 5 dc SPEC e1 a cae ee ene een TNRY EC ANY RF YN FE E RYN FFR 6 2 Installation and MeaSuremMe n ccccsscccssscccssecccsssccsscccesscccessceseees 7 21 na ci da A E aproutccateeeraceye 7 IR o a siessen WW FN HF econ 7 Pa MU EA OOW Su R eet ee oe err E E YES 8 2 4 Steps to Configure the Parameters ccssscssssssssssssssssssesssssssessssssssessessssessssessssesssseesssssesssees 9 2 5 Transducers Mounting Allocation cssssssessssssescsssescsssessesssecsssssssssessssssescsssesssssessessseseees 10 2 6 Transducers Installationu uuuuuuuuu LIU LIII 11 291 FOF CIA D O1 UansdUcel nui AG FA FOR FFF A FO 11 2 6 2 For Insertion transducer eeueuuuiiuiuiiuiuiiuinunaiuina manan LA LaLA LARA ALLA LA LARLL 13 2 6 3 For Prover pipeline trANSCUCEL sessessessesssssssessesssssssssssnsscssssnssnssisssssssssssscsssssssasssssnssessess 17 204 WINO COMIC CUO years center
29. ich is using 4 20mA signal input requiring when instantaneous heat flow O electric current loop output 4 mA when Instantaneous heat flow 1000GJ h electric current loop output 20 mA thus three steps as follows to achieve the goal A In M55 to select 8 4 20mA corresponding heat flow B In M56 input O value C In M57 input 1000 The following value is available for printer fixed time data output Instantaneous heat flow Positive total calorie Negative total calorie Net total calorie T1 temperature T2 temperature Analog Input AI3 Al4 NOOR WD About M50 M51 M52 setup For example requiring output Instantaneous calorie positive total calorie T1 temperature value on fixed time from serial port every second Three steps as follows A In M50 to select Instantaneous calorie positive total calorie T1 temperature value items B In M51 to input start time interval time is 00 00 01 print time is 8000 C In M52 to select 1 output to serial port Total calorie pulse output setup Total calorie pulse output could be seted from OCT or RELAY to external device ln the corresponding items of OCT or relay output select corresponding total pulse thus can finish this function For example supposing require output positive total calorie pulse from OCT the Instantaneous flow is about 1 GJ per second thus select output item 12 positive total calorie pulse in M78 At tha
30. in Buzzer The built in buzzer is user configurable It can be used as an alarm Use M77 for setups 4 21 How to use the OCT output The OCT output is user configurable which can be performed by selecting the proper input source such as pulse output Use M78 for the setups Please make sure that the Frequency Output shares the OCT The OCT output shares pins with the RS 232C interface and the terminal is at Pin 1 and 8 4 22 How to use relay output The relay output of TF 100W series is programmable the user can set up one of turn on off condition as follows System alarm signal or totalizer pulse output ect Regarding M79 in window Cech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 33 38 Tofting TF 100W 4 23 How to modify time Time should not be modified generally Because TF 100W adopts perpetual calendar clock chip which produced by RAMTRON and it is high reliability Modification will be required only in such cases as when the battery is totally consumed or when the changing of the battery takes a long time In case of needing modification go to window Menu 60 press and then showing a gt on the left of the screen indicating that have on the modification situation while using to jump over the number which do not to be modified and then press to confirm 4 24 How to adjust LCD display screen The backlight and contrast of TF 100W LCD disp
31. is working well If showing other characters please refer to the wrong characters explain The value on the bottom is net total flow in the whole day Checking month flow please press 2 and next select 1 item based on month Checking month flow please press 2 and next select 2 item based on year Cech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 34 38 Tofting TF 100W 4 27 How to make up flow automatically after the power supply was turned off Go to window M83 to select ON thus the flow could be made up automatically when the power supply is turned on Select OFF to cancel this function This function is limited by many conditions so user should make sure the power supply continual 4 28 How to use the Working Timer Use the working timer to check the time that has passed with a certain kind of operation For example use it as a timer to show how long a fully charged battery will last Under M72 press ENT key and then select YES to reset the timer 4 29 How to use the manual totalizer Use M38 for the manual totalizer Press ENT key to start and stop the totalizer 4 30 How to know how long the battery will last Use M07 to check how long the battery will last Also please refer to 2 1 4 31 How to check the ESN and other minor details Every set of the TF 100W flow meter utilizes a unique ESN to identify the meter The ESN is an 8 di
32. l and then press key Press key to enter M16 window press key to enter the option selection mode use keys A land to scroll up and down to the liner material and then press key Select No Liner if there is no liner Press key to enter M18 window press ENT key to enter the liner thickness and then press key if there is liner Press key to enter M20 window press ENT key to enter the option selection mode use keys and to scroll up and down to the proper liquid and then press key Press key to enter M23 window press ENT key to enter the option selection mode use keys and to scroll up and down to the proper transducer type and then press key Press key to enter M24 window press ENT key to enter the option selection mode use keys nd to scroll up and down to the proper transducer mounting method and then press key Press key to enter M25 window and check up the installation space Press 6 to store the parameter setup refer to M26 Press 0 to check up signal strength and quality the bigger of the value the better Generally the signal strength should be better than 60 0 and signal guality should be better than 50 0 Press 9 to check up time ratio the ratio value should be in the range of 10012390 Press MENU 0 8 to check up the working status R means work well Press MENU 0 1 to check up the measuring data 1 For heat measurement please connect PT100 which installed in water supply an
33. lation which means the flow meter will display a non zero value when the flow is absolutely stopped In this case setting a zero point with the function in window M42 will bring a more accurate measurement result Make sure that there is no liguid running inside the pipe then run the function in window M42 by pressing the ENT key 4 12 How to get a scale factor for calibration A scale factor is the ratio between the actual flow rate and the indicated value by the flow meter It can be determined by calibration with standard flow calibration eguipment You may change the scale factor in menu window M45 The scale factor can be determined by calibration with flow calibration eguipment 4 13 How to use the system locker The system locker provides a means of preventing inadvertent configuration changes or totalizer resets When the system is locked menu window browsing can be done without affecting any change but any modifications are prohibited The system can be locked without a password or with a 1 to 4 digit password With a no password locking directly press the ENT key in M47 If the password is forgotten please contact the factory 4 14 How to use fixed time data output function TF 100W Series Ultrasonic flow meter can output data to RS232 communication port so that fixed time data output can be set up Fixed time data output can set up output content start time interval time and continuance time In menu M50 to in
34. lay screen control is available by window Go to the M70 to control the backlight Press 0 and next press then there is a gt on the left of the screen indicating that have on the modification situation while input backlight number Go to Menu M71 to control the contrast of LCD display screen When the digit is not clear or the angle of view is wrong it is necessary to modify the contrast Press 1 and next press then there is a gt on the left of the screen indicating that have on the modification situation while press and to decrease or increase the value 4 25 How to use RS232 RS485 interface There are both RS232 standard DB9 serial interface and RS485 interface the data speed is optional range from 75 to 115200 baud Go to window M62 to set up the parameters of serial interface the baud rate and parity bit are available Adopting a compatible RS232 to RS485 converter is convenient to let the flow meter connected with RS485 Bus This converter should be electric isolation in order to used in industrial surroundings 4 26 How to check the flow of everyday every month every year Go to window M82 to check the historical flow data and working situation on last 64 days Press 2 and next select 0 item based on day while showing 00 63 on the left indicate the serial number In the middle 00 07 21 indicate date on the top right corner indicate working situation if in this area only showing indicate it
35. nter the frequency range in window M067 For example assume that the flow rate varies in a range Om h to 3000m h and an output signal is at a maximum frequency of 1000Hz the minimum of 200HZz is going to be required for other instrumentation The user should enter O in M68 and 3000 in M69 and enter 200 and 1000 in window M67 Please note that the user has to make the selection with OCT setups in window M78 4 18 How to use the Totalizer Pulse Output The totalizer output will produce a pulse output with every unit flow of the totalizer The totalizer pulse output can only be realized by mapping the pulse output to the OCT or BUZZER hardware devices For example assume that the POS totalizer pulse output is needed and every pulse should represent 0 1cubic meter of liquid flow the pulse output will be mapped to the internal Buzzer so that with every 0 1 cubic meter of flow the BUZZER will beep for a while The following setups should be taken performed 1 Select the unit Cubic Meter under window M32 2 Select the Multiplier as 2 0X0 1 under window M33 3 Select the output option 9 POS INT Pulse under window M77 INT stands for totalized 4 19 How to produce an alarm signal There are 2 types of hardware alarm signals that are available with this instrument One is the Buzzer and the other is the OCT output Both for the Buzzer and OCT output the triggering sources of the event include the following 1
36. or the built in logger Windows for time keeper initialization version and ESN Information viewing and alarms Window for viewing date totalizer Are diagnostic windows for a more accurate measurement Are not windows but commands for the outputting of display copying and pipe parameter setups Are windows for some additional functions including a scientific calculator viewer on records such as total working hours turn on and turn off times dates and times when the flow meter has been turned on or turned off Other menu windows such as M88 have no functions or functions were cancelled because they are not applied to this version of the software The major reason why the menu windows are arranged in this way is that the software programmer hopes that the menu window arrangement for this version can be compatibility with the previous versions of the flow meter software This will make it easier for the former version users with this flow meter series tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 21 38 Tofting TF 100W 3 2 Menu Window Details one re MOO MO1 M03 M04 MO5 MO6 MO7 M08 MO9 M11 M12 M13 Window for selecting pipe material Standard pipe materials that the user need not know the speed include M14 0 carbon steel 1 stainless steel 2 cast iron 3 ductile iron 4 copper 5 PVC 6 aluminum 7 asbestos 8 fiberglass
37. ore coupler or clean the surface etc 3 Pipes are difficult to be measured Relocation is recommended 2 3 Time Ratio between the Measured Total Transit Time and the Calculated Time This ratio would be used to check the transducer installation If the pipe parameters are entered correctly and the transducers are installed properly the value for this ratio should be in the range of 100 3 If this range is exceeded the user should check 1 If the pipe parameters are correctly entered 2 If the actual spacing of the transducers is right and the same as what the window M25 shows 3 If the transducers are installed properly in the right directions 4 If the mounting location is good and if the pipe has changed shape or if there is too much fouling inside the pipes 5 Other poor condition tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 20 38 Tofting TF 100W 3 Menu Window Details 3 1 Menu Windows Arrangement M00 MO9 M10 M29 M30 M38 M40 M49 M50 M53 M60 M78 M82 M90 M94 M97 M99 M 0 M 8 Windows for the display of the flow rate velocity date time totalizers battery voltage and estimated working hours for the battery Windows for entering the pipe parameter Windows for flow rate unit selections and totalizer unit selections Windows for response time zeroing calibration and modification password setup Windows f
38. plied to a wide range of pipe flow measurements Applicable liquids include pure liquids as well as liquid with small quantity of tiny particles Examples are x Water hot water chilled water city water sea water waste water etc Sewage with small particle content x Oil crude oil lubricating oil diesel oil fuel oil etc x Chemicals alcohol acids etc x Plant effluent x Beverage liquid food x Ultra pure liquids x Solvents and other liquids 1 5 Product Identification Each set of the flow meter has a unique product identification number or ESN electronic serial number written into the software that can only be modified with a special tool by the manufacturer In case of any hardware failure please provide this number which is located on menu window M61 when contacting the manufacturer tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 6 38 Tofting TF 100W 1 6 Specifications meal spa Period Main unit Display LCD with backlight display accumulated flow heat instantaneous flow heat velocity time etc Analogue output 4 20mA or 0 20mA current output Impedance 0 1kQ Accuracy 0 1 Output OCT output Frequency signal 1 9999HZ Relay output over 20 source signal no signal reverse flow etc RS485 serial port input Three analogue input p Three wire PT100 resistor input optional Automatically record the
39. put the option for output content Firstly choose ON then select output content in order 22 items in all if output the content is what you want after pressing ENT key select ON if not select OFF Checking M51 to input output time Regarding M50 amp M51 of Menu details for reference tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 30 38 Tofting TF 100W 4 15 How to use 4 20mA current loop output The accuracy of the current loop output is better than 0 1 It can be configured to different mode such as 4 20mA mode 0 20mA etc Mode selection can be made in menu M55 Refer to the next chapter for details on M55 In order to use the 4 20mA output function you need not only select the mode to be 4 20mA in M55 but also set the flow rate values which correspond to the minimum current 4mA and the maximum current 20mA Enter the two values in M56 and M57 Example A Flow rate range Is 0 500m h Just enter 0 in M56 and 500 in M57 Example B Flow rate range is 500 0 1000m h If flow direction is not an issue for you you may select 20 4 20mA mode in M55 Then enter 500 in M56 and 1000 in M57 If flow direction is an issue you may select 0 4 20mA mode in M55 This means that the current loop will output 0 4mA when flow rate is negative and 4 20mA when flow rate is positive Enter 500 in M56 and 1000 in M57 You may need to calibrate
40. rate will be set to O if the signal strength is below the entered value Window for selecting unit system Default value is Metric The change from English to Metric or vice versa will not affect the unit for totalizers t tech Mar gelh j 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 23 38 Tofting TF 100W Window for selecting flow rate that will be used by the instrument afterward Flow rate can be in M31 NOOR WN O Cubic meter Liter USA gallon Imperial Gallon Million USA gallon Cubic feet USA liquid barre Oil barrel m I gal igl mgl cf bal ob The flow unit in terms of time can be per day per hour per minute or per second So there are 32 different flow rate units in total for selection Window for selecting the totaliziers working unit Select totalizer multiplier The multiplier ranges from 0 001 to 10000 Turn on or turn off the NET totalizer Turn on or turn off the POS totalizer Turn on or turn off the NEG totalizer 1 Totalizer reset M32 M33 M34 M35 M36 2 Restore the instrument to the default parameters as the manufacturer did by pressing the dot key followed by the backspace M37 key Take care or make note on the parameters before doing the restoration M38 Press a key to run or to stop totalizer for easier calibration Interface language
41. rom 50 0 to 99 9 stronger signal strength should be pursued because a stronger signal means a better result The following methods are recommended to obtain stronger signals 1 Relocate a more favorable location if the current location is not good enough for a stable and reliable flow reading or if the signal strength is lower than 60 0 2 Try to polish the outer surface of the pipe and apply more coupler to increase the signal strength 3 Adjust the transducers both vertically and horizontally while checking the varying signal strength stop at the highest position and then check the transducers spacing to make sure the transducers spacing is the same as what the M25 shows 2 2 Signal quality Signal quality is indicated as the Q value in the instrument A higher Q value would mean a higher Signal and Noise Ratio short for SNR and accordingly a higher degree of accuracy would be achieved Under normal pipe condition the Q value is in the range 60 0 90 0 the higher the better tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 19 38 Tofting TF 100W Causes for a lower Q value could be 1 Interference of other instruments and devices such as a powerful transverter working nearby Try to relocate the flow meter to a new place where the interference can be reduced 2 Bad sonic coupling for the transducers with the pipe Try to apply m
42. s POSITIVE the direction of the flow will be from the RED transducers to the BLUE transducers if the displayed value is NEGATIVE the direction will be from the BLUE transducers to the RED transducers 4 3 How to change between units systems Use menu window M30 for the selection of unit system in English or Metric system 4 4 How to select a required flow rate unit Use menu window M31 to select the flow unit first and then the timing unit tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 28 38 Tofting TF 100W 4 5 How to use the totalizer Multiple factor Use window M33 to select a proper totalizer Make sure that the totalizer pulse is appropriately speeded It should not be too fast and neither too slow A speed of producing a pulse in several seconds or minutes is preferable If the totalizer multiplier is too small there can be a loss of accumulation pulse because the output device can output only one pulse in a measurement period 500milliseconds If the totalizer multiplier is too large the output pulse will be too fewer for the devices that are connected with the instrument for a guicker response 4 6 How to open or shut the totalizers Use M34 M35 and M36 to turn on or turn off the POS NEG or NET totalizer respectively 4 7 How to reset the totalizers Use M237 to reset the proper totalizer 4 8 How to restore the flow meter with defa
43. selection M39 The selection could also be changed automatically by the system if English LCD display are used as the display device Setup for local segmental LCD display Enter 0 or 1 for the non auto scan mode Enter 2 39 for the auto scan mode in which mode the M3A display will automatically scan displaying from 00 to the entered number of the local segmental LCD display Flow rate damper for a stable value The input range is 0 to 999 M40 seconds O means there is no damping Default value is 10 seconds Lower flow rate cut off to avoid invalid accumulation inside the pipe Clear the zero point set by the user and restore the zero point set by the manufacturer t tech Mar gelh j 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk M41 M42 43 M User Manual Ver 2 0 Page 24 38 Tofting TF 100W M44 Set up a manual flow bias Generally this value should be O M45 Scale factor for the instrument The default value is 1 Keep this value as 1 when no user calibration has been made Network environment Identification Number Any integer can be entered except 13 0DH carriage return 10 OAH line feeding 42 2AH 38 M46 65535 Every set of the instrument in a network environment should have a unique IDN Please refer to the chapter for communication System locker to avoid modification of the parameters Entry to linearity correct data inputs There are as m
44. t time there is close on the OCT output port at every second Pay attention that the OCT electrocircuit made way by collector so that it have not voltage signal or electric current output which is necessary connected with power supply and resistance normally tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 37 38 Tofting TF 100W 6 Trouble analysis TF 100W ultrasonic flow meter calorimeter designed with complete automatic diagnosis The code will showing on the top right corner of the LCD on time order Menu M08 can show all the existed trouble according to priority If troubles are found when flow meter power on there is F on the top left corner after on the measuring situation Thus please turn on the flow meter again and check all display information and follow the steps below Form 1 Power on automatic diagnosis information reasons and resolution LCD display Info Reasons Procedure ROM calibration ROM system illegal or incorrect Contact factory summation incorrect Incorrect reading of data Incorrect data on Internal storage Restart Contact factory soage MADDAU A Incorrect of System data Restart Contact factory some Cech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk
45. ult setups Use M37 when the selection message is displayed Press the dot key first and the message Master Erase will display then press the backspace key The master erase step will erase all the parameters entered by the user and setup the instrument with default values without instrument factor and network identification number parameter 4 9 How to use the damper The damper acts as a filter for a stable reading If O is entered in window M40 that means there is no damping A bigger number brings a more stable effect But bigger damper numbers will prevent the instrument from acting guickly Numbers 0 to 30 are commonly used for the damper value Default value is 10 seconds 4 10 How to use the zero cutoff function The number displayed in window M41 is called the lower flow rate cut off value The flow meter will replace these flow rate values that are absolutely less than the low cutoff value with O This means the flow meter will avoid any invalid accumulation when the actual flow is below the zero cutoff value Generally the default value is 0 03m s The low cutoff value does not affect the flow measurement when the actual flow is absolutely greater than the low cutoff value tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 29 38 Tofting TF 100W 4 11 How to setup a zero point There exists a Zero Point with certain instal
46. umbers entered by pressing the following serial keys Bia ENT For the option selection windows the user should first press the ENT key to a selection modification mode and then select the relevant options by pressing the and keys or the digit keys to select the option with a number antecedent to the option In the end the ENT key must be pressed to make the selection For example with menu window M14 for the selection of pipe material selection the should be pressed first to enter this menu window if the current menu window is on a different window The pipe material is stainless steel which has a number 1 antecedent to stainless steel on the display the user should first press the ENT key to enter into a selection modification mode then either make the selection by pressing the and keys to make the cursor on the line that displays 1 Stainless Steel or make the selection by pressing the key directly Generally the ENT key must be pressed to enter a modification mode If the Locked M47 Open message is indicated on the lowest line of the LCD display it means the modification operations is locked out In such cases the user should go to M47 to have the instrument unlocked first before any further modification can be made Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 9 38 Tofting TF 100W 2 4 Steps to Configure the Paramet
47. up Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk M60 M63 User Manual Ver 2 0 Page 25 38 Tofting TF 100W Working timer It can be cleared by pressing ENT key and then select M72 YES Enter Lower Flow Rate value that will trigger the 1 Alarm There are two virtual alarms in the system By virtual we mean that the user must MES redirect the output of the alarms by setup the output hardware in M78 and M77 Enter the higher flow rate value that will trigger the 1 Alarm Enter the lower flow rate value that will trigger the 2 Alarm Enter the higher flow rate value that will trigger the 2 Alarm Buzzer setup M77 If a proper input source is selected the buzzer will beep when the trigger event occurs OCT Open Collect Transistor Output setup M78 By selecting a proper input source the OCT hardware will close when the trigger event occurs Relay or OCT2 setup By selecting a proper input source the hardware will close when the trigger event occurs Note In order to make the user interface compatible with the future product the name RELAY was used other than OC T2 but in fact it is an OCT output Signal selection for the built in batch controller The built in batch controller Date totalizer by day by month and by year Automatic total flow correction switch Energy unit select Temperature select Specific Heat select Energy totalizer switch Energy totalizer switch 1 Display the temperature dif
48. ut temperature measurement M84 select the unit of temperature measurement M85 select temperature signal input source from T1 T2 or from AI3 Al4 T1 T2 is acguiescence M87 switch of calorie totalizer M88 set totalizer Multiple factor it means define totalizer range M89 Display temperature difference and also set the sentience of temperature difference when temperature totalizing Setting a proper sentience of temperature value to make sure the totalizer should not totalizing when it is in a very lower temperature difference The low sentience of temperature value is 0 1 degree celcius seted by factory M06 Display current 11 12 two road input temperature value and other valid resistance value M95 Display current positive and negative calorie totalizer content M 8 M 9 M A M 8 four menu are used on temperature measurement calibration tech Marggelhgj 9 DK 8520 Lystrup Tel 45 87392600 Fax 45 87392601 info tech dk www tech dk User Manual Ver 2 0 Page 36 38 Tofting TF 100W 5 4 About temperature measurement value output Instantaneous heat flow output by 4 20mA electric current loop In the Menu M55 select 8 4 20mA corresponding heat flow means electric current loop output value represent Instantaneous heat flow Next in the Menu M56 input corresponding heat flow value of 4 mA For example there is a case the range of Instantaneous heat flow is 0 1000GJ h TF 100W connected with DCS control system wh
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