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LRF-2000M User Manual

1. Note 1 The internal accumulator is been presented by a LONG number for the integer part together with a REAL number for the decimal fraction In general uses only the integer part needs to be read Reading the fraction can be omitted The final accumulator result has a relation with unit and multiplier Assume N stands for the integer part for the positive accumulator the integer part is the content of REG 0009 0010 a 32 bits signed LONG integer Nf stands for the decimal fraction part for the positive accumulator the fraction part is the content of REG 0011 0012 a 32 bits REAL float number n stands for the flow multiplier REG 1439 then The final positive flow rate N Nf x109 3 in unit decided by REG 1438 The meaning of REG 1438 which has a range of 0 7 is as following 0 cubic meter m 45 4 LONGRUN www ultrasonicscn com 1 liter L 2 American gallon GAL 3 imperial gallon IGL 4 American million gallon MGL 5 Cubic feet CF 6 American oil barrel 1 barrel 42gallon OB 7 Imperial oil barrel IB While The energy flow rate N Nf x109 4 unit decided by REG 1441 n 0 10 is the energy multiplier which is in REG1440 2 Other variables are not given here Call us if you have a need 3 Please note there are many of the data that is not applicable for the non energy measurement users These none energy related registers only serves for the intension of only one unique register tabl
2. lower byte first 0015 0016 Negative decimal fraction REAL4 REAL4 is a format of 4 4 LONGRUN www ultrasonicscn com Singular IEEE 754 number also called FLOAT 0017 0018 2 Positive energy accumulator LONG 0019 0020 2 Positive energy decimal fraction REAL4 0021 0022 2 Negative energy accumulator LONG pran i paneme a fraction 0025 0026 2 Net accumulator LONG 0027 0028 2 Net decimal fraction REAL4 0029 0030 2 Net energy accumulator LONG 0031 0032 2 Net energy decimal fraction REAL4 Z o 0035 0036 Temperature 2 outlet REAL4 0037 0038 Analog input AI3 REAL4 0039 0040 Analog input AI4 REAL4 TS 0041 0042 Analog input AI5 REAL4 a 0043 0044 Current input at AI3 REAL4 0045 0046 Current input at AI3 REAL4 0047 0048 Current input at AI3 REAL4 BCD unlock Password for hardware Writable ASSAM for unlock 0053 0055 3 Calendar date and time Writable 6 Bytes of BCD stands SMHDMY lower byte first 0056 1 Day Hour for Auto Save Writable For example 0512H stands Auto save on 12 00 on 5 0012H for 12 00 on everyday 0059 Key to input INTEGER Writable 0060 Go to Window INTEGER Writable 42 4 LONGRUN www ultrasonicscn com 0061 1 LCD Back lit lights for number of INTEGER Writable In unit seconds second 0062 1 Times for the beeper INTEGER Writable Max 255 Pulses left for OCT INTEGER Writable Max 65535
3. 6 23 How to use the manual totalizer Use M38 for the manual totalizer Press ENT key to start and stop the totalizer 6 24 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 6 25 How to check the ESN and other minor details Every set of the LRF 2000S flow meter utilizes a unique ESN to identify the meter The ESN is an 8 digit 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 6 26 How to use the data logger for scheduled output Use menu window 51 to setup the time of scheduled output including start time time interval and how many times of output Then use menu window 50 to turn on data logger and select the items you want to output 36 hh PLONGRUN www ultrasonicscn com 6 27 How to output analogue voltage signal Parallel a 250Q resistance to the terminal of the Current loop output No 21 22 then you can change the 4 20mA output to analogue voltage output 6 28 How to adjust the LCD display You may use menu window 70 to setup the LCD display backlight and menu window 71to adjust contrast it 6 29 How to use RS232 RS485 Use menu window 62 to set up RS232 RS485 All the devices connect
4. 8 Four kinds of different types of transducers can be used addition with user defined transducers 9 The internal universal serial bus enables several output modules to be connected to it 10 All the parameters can be solidify into the flash memory 11 Several optional function module to be chosen to add to the main module 12 More than 4 different kinds of communication protocol supported by the same time include MODBUS Meter BUS 13 Date totalizers that can record as much as 64 sets of data by day 32 sets of data by month All the data can be retrieved by use of the MODBUS registers 4 LONGRUN www ultrasonicscn com 14 32 records of power on and power off data Data can be read through MODBUS 15 Built in data logger printer full programmable with what to be print the start time interval and output times 16 Programmable pulse width of OCT output 17 One Parallel Interface for display and keypad 18 Plug on and off display and keypad module can be connected to the serial port of the meter 19 Almost the same menu arrangement make the users of previous version of flow meter very easy to operate 20 A fluid velocity threshold enables the identification of the kinds of fluid 21 Digital inputs can be inputted by used of the analog inputs 22 A full programmable built in batch controller which can be started by key pressing and by the input to the analog inputs or through MODBUS protocol 23 Power supply
5. DD is the day of this month for example 2Ah 86h 4Ch 12h 15h stands for assigning a recording time for the number 86 meter 86 the meter will record the flow rate total net flow the working timer and the error code when time is 15 00 the 12 of this month The recorded date will be read out by command 49 If DD 0 it stands that the data recording will take place by 15 00 for every day 5 Standard date and time broadcasting command 4D Format 2Ah AAh 4Dh ssmmhhDDMMYY Answer no answer In above ssmmhhDDMMYY is the date and time in BCD format Diagnostic code 00h stands that the system is working normally 02h stands for the pipe may be empty or meter works improperly O5h stand for there exist hardware failure repair may needed 57 hh PLONGRUN www ultrasonicscn com 7 4 Key Value Table The key values are used in a network application By use of the key value and a command M we can operate the flow meter through the network on a computer or other kind of terminals For example the command MO cr acts just like the zero key on the keypad was pressed ve l noel nid ve a eH value a i 0 30H 8 38H T a G nae e 2 32H4_ 50 2 J PBA Bs 3 33H 51 3 BH O 59 d 4 34H 52 4 MENU 3CH____ 60 J lt 5 35H 53 5 ENT 3DH____ 6 _ Js 6 36H 54 J6 at EH 62 _ gt ko 63 P Meter BUS will be given later 8 Troubleshooting 8 1 Power on Error Displays and Counter Measures The LR
6. 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 There is no receiving signal 2 There is poor signal received 3 The flow meter is not in normal measurement modes 4 Reverse flow 5 Overflow occurs at the analogue output by 100 or more 6 Overflow occurs at the frequency output by 120 or more 7 The flow rate is out of the specified range which is configured in windows M73 and M74 for Alarm 1 and in windows M75 and M76 for Alarm 2 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 34 hh PLONGRUN www ultrasonicscn com 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 lowe
7. Satin tz mo oF od Flow is running T o m T ro hh PLONGRUN www ultrasonicscn com a Repair needed Direction of the flow wa No flowing or flow not above threshold Battery is full mh For flow rate eyn For energy flow rate kwh For Total Energy sc The temperature difference By the default setting 0 or 1 is input to M3 when the only key is press shortly the on board display will go to the next display for example from display 02 to display 03 If the display reaches 40 it will go back to display 00 When the key is pressed longer enough 3 seconds the display will go directly to display 00 no matter where it was before The on board display can also be set to an automatically scan display mode For example if number 10 is input to M3 window parallel or serial Keypad or command to the serial port needed the on board display will displays one after another from display 00 gt 01 gt 02 gt 09 gt 00 automatically with an interval of eight seconds When the display is in the automatically scan display mode if the display key is pressed the display will go to the original display By the next key press display will go to the next display If a long key more than 3 seconds is pressed display will go to display 00 directly 3 1 On Board display table Laid Eaa 45 m Positive a Flow Decimal point is determined by M33 unit in m3 8 3215 8 3215 m s Flow rate rate Uni
8. 9 HOW tO USE the damper cccceseseueuvavareueucucececeseseceeuececeueueueavavavavaueueeseseseneseseauags 31 6 10 How to use the Zero Cutoff function cceceeeecececeteteeeteeeeeeeeaeaeareeaveesesenenenenenenenes 31 6 11 HOW to setup a zero point cccseseencusenenensececeaeavavauaucececensususenenuararananeeeeusususeges 31 6 12 How to get a scale factor for CaliDration cccccceceeeeeeeeeeeeeeeeeeeeeeaeeeeesesaeanaeseees 32 6 13 How to use the system locker s sssssssunsusnusnnnnnnnnnnnnnnnunnnnnnnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnn 32 6 14 How to use 4 20mA current loop Output ssssssssnerssnsrnsrnrsrrnnnernrnnrnrnernrrnrrennrnne 32 6 15 How to use the Frequency Output ccccccecececececseeeeeeeeeeeeeeeaeaeeeeeeueeeenensnstsnsees 33 6 16 How to use the Totalizer Pulse OUtDUC cccececeeeeeeeeeeeeeeeeeeaeeeeesenenenenenenenenenanas 34 4 LONGRUN www ultrasonicscn com DEN iriiri SF Hiie Fendt 6 17 How to produce an alarm SiQnal cccccscscseceeeeeeeeeeeeeeeeeeeeeeeeeeeeaeeeestaesaeanseeetaeees 34 6 18 How to use the built in BUZZer ccccsseesecseceeuseeecueaueususeeeecraueeueuseaveusenesuearensenes 35 6 19 How to use the OCT output s sssssssessessusnunnusnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 35 6 20 How to modify the built in CalenCar ccccscecscsececsceeeeceseeeeeeeeseneeseaeeeenensearsesenes 35 6 21 How to view the Date TOtaliZers cccccececsececececeesteeseeeaeeeeeaeeee
9. Daily Timer M51 19 Timed alarm 1 20 Timed alarm 2 21 Batch Totalizer Full 22 Periodically M51 Timer 23 Oct Not Using The OCT circuit does not source voltage at its output It must be connected with an external power and pull up resistant for some occasions When the OCT circuit is close it will draw current The maximum current shall not be over 100mA Attention the maximum voltage applied to OCT can not be over 80 volts Relay or OCT2 setup By selecting a proper input source the RELAY will close when the trigger event occurs The available trigger sources are 0 No Signal 1 Poor Signal 2 Not Ready No R 3 Reverse Flow 4 AO Over 100 5 FO Over 120 6 Alarm 1 7 Reverse Alarm 2 8 Batch Control 9 POS Int Pulse 10 NEG Int Pulse 11 NET Int Pulse 12 Energy POS Pulse 13 Energy NEG Pulse 14 Energy NET Pulse 15 MediaVel gt Thresh 16 MediaVelo lt Thresh 17 ON OFF viaRS232 18 Timer M51 Daily 19 Timed alarm 1 20 Timed alarm 2 21 Batch Totalizer Full 22 Periodically M51 Timer 23 Disable Relay The RELAY is of SPST Single pole single throw type It is rated for 110VAC max and have a current rating of 0 5A resistive load It highly recommended that a salve relay to be utilized whenever a large resistive load or inductive load is to be controlled Note In order to make the user interface compatible with the former version7 the name RELAY was used other than OCT2 but in fact it is an OCT output Window for
10. 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 no need to enter fluid sound speed include M M17 M18 M19 M20 0 Water 1 Sea Water 2 Kerosene 3 Gasoline 4 Fuel oil 5 Crude Oil 13 hh PLONGRUN www ultrasonicscn com 6 Propane at 45C 7 Butane at OC 8 Other liquids need to enter sound speed in M21 and viscosity in M22 9 Diesel Oil 10 Caster Oil 11 Peanut Oil 12 90 Gasoline 13 93 Gasoline 14 Alcohol 15 Hot water at 125C Window for entering the viscosity of the non standard liquids used only when option item 8 Other is selected in M20 Window for selecting transducer type There are 22 types as following Standard M The middle size Insertion Type C Standard S User Type Standard B Insertion Type B 45 Standrad L The large size transducers JH Polysonics Standard HS small size transducer for Handheld flow meter Standard HM middle size transducer for Handheld flow meter Standard M1 middle size transducer 1 Standard S1 small size transducer 1 Standard L1 large size transducer 1 PI Type FS410 middle size transducer for FUJI flow meter FS510 large size transducer for FUJI flow meter Clamp on TM 1 Middle size transducer Insertion TC 1 Calmp on TS 1 Small size transducer Reserved Clamp on TL 1 Large size transducer 21 I
11. meter until the ammeter indicate 4 00 Then press to enter the window of adjusting the 20mA output When finished adjusting you have to use menu window 26 to store the result into the flash memory so that it will be solidified and will not be lost even the reserve battery removed 6 33 How to solidify the parameters There are three kinds of parameters for the new generation LRF LRF 2000 1 Current parameters the parameters are stored in the RAM They will be lost when one cut the power or remove the reserve battery 2 Solidified parameters you may use menu window 26 to store the parameters in the Flash memory and they will not be lost even power off This menu window is also a switch for the parameters in flash memory to be loaded when power is turned on The default option is that the parameters will be loaded So if the parameters are very stable you may need this option 3 User frequently used parameters you can use menu window 27 to store or restore from the internal Flash memory as many as 9 different pipe parameter configurations 6 34 How to enter the parameters of user type transducer If a user type transducer is selected in menu window 23 you need proceed to enter additional 4 user type wedge parameters that describe the user transducers If the PI type transducer is selected you need enter additional 4 Pl type transducer parameters that describe the PI type transducers 6 35 How to use the circular display function
12. the function in window M42 by pressing the key 6 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 equipment You may change the scale factor in menu window M45 The scale factor can be determined by calibration with flow calibration equipment 6 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 6 14 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 an
13. then press key if there is liner 6 Press key to enter M20 window press key to enter the option selection mode use keys and to scroll up and down to the proper liquid and then press key 7 Press key to enter M23 window press key to enter the option selection mode use keys and lv to scroll up and down to the proper transducer type and then press key 8 Press key to enter M24 window press key to enter the option selection mode use keys and to scroll up and down to the proper transducer mounting method and then press key 9 Press key to enter M25 window and check up the installation space 10 Press 6 to store the parameter setup refer to M26 11 Press 9 o 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 quality should be better than 50 0 12 Press 9 to check up time ratio the ratio value should be in the range of 100 3 23 hh PLONGRUN www ultrasonicscn com 13 Press MENU 0 to check up the working status R means work well 14 Press 0 to check up the measuring data Note 1 For heat measurement please connect PT100 which installed in water supply and 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 5 2 Transducers Mounting Allocation The first step in the installati
14. 0072 16bits see note 4 2 0062 0077 0078 PT100 resistance of inlet REAL4 In unit Ohm 0079 0080 PT100 resistance of outlet REAL4 In unit Ohm 0081 0082 Total travel time REAL4 In unit Micro second 0083 0084 Delta travel time REAL4 In unit Nino second Micro second 0087 0088 Downstream travel time REAL4 Micro second C 2 0089 0090 Output current REAL4 0092 1 Working step and INTEGER The high byte is the step and low for Signal Quali gna Quality signal quality range 00 99 the larger the better 0093 Upstream strength INTEGER Range 0 2047 0094 Downstream strength INTEGER Range 0 2047 0096 1 Language used in user interface INTEGER 0 English 1 Chinese Other language will be supported later 0097 0098 2 The rate of the measured travel Normal 100 3 time by the calculated travel time 0099 0100 Reynolds number REAL4 a 0101 0102 Pipe Reynolds factor REAL4 A 0103 0104 2 Working Timer LONG i unsigned in second 0105 0106 2 Total working time LONG unsigned in second 0105 0106 Total power on off time LONG 43 hh PLONGRUN www ultrasonicscn com 0113 0114 2 Net accumulator REAL4 In Cubic Meter float paren j o pee REA Tine mat DRESS 2 Nesaive energy sccumdsion REA In fost 0127 0128 2 Flow for this month REAL4 0129 0130 Manual accumulator LONG i 0131 0132 2 Manual accumulator decimal REAL4 fraction 0133 0134 Batch accumulator LONG ss 0135 0136 2 Batch accumulator decimal REAL4 f
15. 2 The FUJI extended communication protocol LRF 2000M is compatible with the LRF7 FUJI extended communication protocol which used in our previous Version7 ultrasonic flow meters This protocol is a set of basic commands that are in ASCII format ending with a carriage return CR and line feed LF For most of the commands The line feed LF should be better omitted for fast responding Command _ Meaning Data format Returns flow rate per da DOD cr note 0 ia d ddddddE dd cr note 1 DI cr Return positive totalizer I r signal strength and signal UP dd d DN dd d Q dd cr quality Return the percentage of AO output d ddddddE dd cr pce DA cr OCT and RELAY alarm signal TRis RL s cr note 4 DT cr Return the present date and time yy mm dd hh mm ss cr 5 4 LONGRUN www ultrasonicscn com M cr Send a Key ee as if a key is pressed M cr note 5 is the key value LCD cr Returns current window content LOCKO cr Unlock the system Has a to do with the original password LOCK1 cr Lock the system Can be opened by press ENT key MENUXX cr Go to window XX a Select interface language X 0 for English 1 for Chinese 2 for Italy if applicable 3 for Korea if applicable 4 for French if applicable 5 for Germany if applicable 6 for spanish if applicable E ean 4800 2400 1200 600 300 cor oct open i Seer a the FO to output a frequency ao of dddd HZ AOa cr Output cu
16. C or 220VAC power forever or the module will be damaged 6 Pay attention to the display located on Menu 48 which shows the points of lines for the linearity correction function 0 stands for shutting off the function The default value is 0 Try to make sure that value is 0 so as to avoid abnormal flow hh PLONGRUN www ultrasonicscn com 7 The latest calibrated data which are produced by performing the analog input or output calibration are store in the RAM memory temporally Users need to perform the M26 function to make these data be solidified 8 Use Menu 49 to check if there are inputs from the RS485 port with network application If not please check protocol selection software switch located at Menu 63 and the serial port parameters options located at Menu62 Select option 1 at Menu 63 for the MOSBUS RTU application Select option 0 for MODBUS ASCIT and FUJI extended and Simple Water Meter protocols 2 Introduction to new generation LRF 2000M 2 1 Development introduction The new generation LRF 2000M is developed with the experience of 12 years of manufacturing and based on our version 7 and version 11 flow meters By using the high performance MSP430FG4618 microprocessor made by Taxes Instruments it is intend to provide our customers with lower cost but of high performance general purpose ultrasonic flow meter heat meter ultrasonic flow converter The PCB board used in a LRF 2000M module is our 13 version of ultrasonic flo
17. Clean any dust and rust For a better result polishing the pipe with a sander is strongly recommended 3 Apply adequate coupler 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 25 4 LONGRUN www ultrasonicscn com O BLACK Shieding Terminal a Transducer cable A Water joint panana Sy 5 3 2 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 to the spacing value 5 3 3 V method Installation Ac Downstream Transducer kK Upstream Transducer a Transducers Spacing 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 4 LONGRUN www ultrasonicscn com 5 3 4 Z method I nstallation Z method is commonly used when the pipe diameter is above 200mm gama a Upstream Transducer Tiii i DLLLLZZLZZZZLLLLL Transducers lt gt IE el EET WE Downstream Transducer 5 3 5 W method I nstallation W method is usually use
18. ELAY output For example if you want the Alarm 1 is to output by the OCT circuit you need to set M78 at selection item 6 M75 Window to setup the lower limit of flow rate for Alarm 2 M76 Window to setup the upper limit of flow rate for Alarm 2 Buzzer setup If a proper input source is selected the buzzer will beep when the trigger event occurs The available trigger sources are M68 69 M M71 M72 73 M 0 No Signal 1 Poor Signal 2 Not Ready No R 3 Reverse Flow 4 AO Over 100 5 FO Over 120 6 Alarm 1 7 Reverse Alarm 2 me 8 Batch Control 9 POS Int Pulse 10 NEG Int Pulse 11 NET Int Pulse 12 Energy POS Pulse 13 Energy NEG Pulse 14 Energy NET Pulse 15 MediaVel gt Thresh 16 MediaVelo lt Thresh 17 ON OFF viaRS232 18 Daily Timer M51 19 Timed alarm 1 20 Timed alarm 2 21 Batch Totalizer Full 22 M51 Timer 23 Key Stroking ON 24 Disable BEEPER OCT Open Collect Transistor Output OCT1 setup By selecting a proper input source the OCT circuit will close when the trigger event occurs The available trigger sources are 0 No Signal 1 Poor Signal M78 2 Not Ready No R 3 Reverse Flow 4 AO Over 100 5 FO Over 120 6 Alarm 1 7 Reverse Alarm 2 8 Batch Control 9 POS Int Pulse 10 NEG Int Pulse 11 NET Int Pulse 12 Energy POS Pulse 13 Energy NEG Pulse 18 4 LONGRUN www ultrasonicscn com Diri SF hes Fender 14 Energy NET Pulse 15 MediaVel gt Thresh 16 MediaVelo lt Thresh 17 ON OFF viaRS232 18
19. F 2000S ultrasonic flow meter provides an automatic power on diagnosis for the hardware problems When any message with the power on in the following table displays counter measures should be taken Error message Causes Counter measures ROM Testing Error Segment Test Error Problem with the 1 Power on again software 2 Contact with factory The parameters When this message displays the entered by the user should press ENT key and user lose all the configuration will be integration restored to the default state Problem with the Timer Slow Error timer keeper or 1 Power on again Timer Fast Error the crystal 2 Contact with factory oscillator Stored Data Error 58 hh PLONGRUN www ultrasonicscn com DateTime tror Number errors Initialize the calendar by menu with the calendar window M61 Reboot Hardware repetitively problems contac e ALOI 8 2 Error Code and Counter Measures The LRF 2000S ultrasonic flow meter will show Error Code in the lower right corner with a single letter like I R etc on menu windows MOO M01 M02 M03 M90 and M08 When any abnormal Error Code shows counter measures should be taken Error Correspondent Message C a A OAE code displayed on M08 R System Normal 1 No Signals detected 2 Transducers installed a Mn ROPSny location i I Detect No Signal 3 Too much fouling 4 Pipe liners are too thick ean ee 5 Transducer cords are not Check the cord
20. T flow Window for entering the outer perimeter of the pipe M10 If pipe outer diameter is known skip this menu and go to Menu 11to enter the outer diameter Window for entering the outer diameter of the pipe Valid range 0 to 18000mm M11 Note you just need to enter either the outer diameter in M11 or the peripheral in M12 Window for entering pipe wall thickness You may skip the menu and enter inner diameter in M13 instead Window for entering the inner diameter of the pipe M13 If pipe outer diameter and wall thickness are enter correctly the inner diameter will be calculated automatically thus no need to change anything in the window Window for selecting pipe material Standard pipe materials no need to enter material sound speed include M14 O carbon steel 1 stainless steel 2 castiron 3 ductile iron 4 copper 5 PVC 6 aluminum 7 asbestos 8 fiberglass 9 other need to enter material sound speed in M15 M15 Window for entering the pipe material speed only for non standard pipe materials Window for selecting the liner material select none for pipes without any liner Standard liner materials no need to enter the liner sound speed include M16 1 Tar Epoxy 2 Rubber 3 Mortar 4 Polypropylene 5 Polystryol 6 Polystyrene 7 Polyester 8 Polyethylene 9 Ebonite 10 Teflon 11 Other need to enter liner sound speed in M17 Window for entering the non standard liner material speed Window for
21. Ultrasonic Flow Meter User Manual Type LRF 2000M ULTRASONIC FLOWMETER 4 LONGRUN Concentrating on Flow Measurement LONGRUN INDUSTRIAL INSTRUMENT CO LTD 4 LONGRUN www ultrasonicscn com Dirkie OF Hiie Finder Contents 1 Must knows about LRF 2000M uu cccssccsccncsecenrecceenecvccnesecusceausecaensaraeneneeneusauausecusasarsesas 4 2 Introduction to new generation LRF 2000M ccccccceeceeeeeeeeeeeeeeeeeeeeeeeeeseeaeeeestanseestenness 5 2 1 Development introduction ccccccceceuseseseueersenecueaueusesseaeaususeeeearaueeneuseareusenensearenss 5 227 WEA MIRCS arnari E E E E E E A 6 3 On Board Segmental LCD display DetailS ccccccececececeeeeeeeeeeeeeeaeeeeeeeeeeenenenenenenseseeeanas 8 4 Menu Window DetallS cccccceceecececeeeeeeeneneeeeseeeeeseeeaeaeaeaeeeeeeeeeeenenenenenenenenatanaeanaranans 12 5 Begin to MOUNT and MEASUE ccececcessesccrceseenenecucesneneavaususueueaeersecuessarsesuseeansrseneensass 22 5 1 Steps to Configure the ParameterS ccccccecscsccececessececeerseenessarsesuseesearenguseenearsess 22 5 2 Transducers Mounting AllOCation ccccccceceeeeeeeeeeeeeeseeeeeeeesesaeaeeeeeeeeaeaeaesesasaeaees 24 5 3 Iransducers Sala UlOM acancanacuancaencydasenanenactanabssaseds EE EnEn airon anasi 25 5 3 1 Wiring diagram of traNSGUCel cccscseccscsecesenccvseseenesserseseseeueersuseeneueansuseegs 26 5 3 2 Transducers Spacing ssessssssnssurnsnuennnurnnrunnunnnnurnenu
22. When entering menu window 95 the circular display function will be started automatically The following windows will be displayed one by one each window will stay for 8 seconds M95 gt gt M00 gt gt M01 gt gt M02 gt gt M02 gt gt M03 gt gt M04 gt gt M05 gt gt M06 gt gt M07 gt gt M08 gt gt M90 gt gt M91 gt gt M92 gt gt M93 gt gt M94 gt gt M95 This function allows the user to visit all the important information without any manual action To stop this function simply press a key Or switch to a window other than M95 6 36 How to enter into the linearity correcting How to enter into the data When the product leaved the factory the function is closed 38 hh PLONGRUN www ultrasonicscn com The menu can realize almost 12 parts linearity correcting The user can choose from two points to twelve points to execute the linearity correcting according to user actual condition In order to explain the usage method of the menu we suppose that we get the following table data through calibration the meter flow m h m h show value 10 34 10 85 20 45 19 78 50 56 51 23 ee ee In order to revised the flow exceed the scope of the above table without mutations of correction factor we add two points on the basis of the above five points 0 m h 1 0 and 100000 m h 1 0 0 m h 1 0 is called the minimum flow of the amendment point this set of data is used to facilitate to generated a appropriate correction fact
23. ad from the memory M28 Entry to determine whether or not to hold or to keep the last good value when poor signal condition occurs YES is the default setup Entry to setup empty signal threshold When the signal is less than this threshold the pipe is regarded as empty pipe and the flow meter will not totalize flow This is based on the fact that for most occasions when pipe is empty the transducer would still receive signal just smaller than normal As a result The flow M29 meter would show normal operation which is not correct Make sure that the entered value must be less than the normal signal strength When much noisy signals are received to make sure the flow meter will not incorrectly totalize flow there is also a Q threshold should be entered in M 5 M30 Window for selecting unit system The conversion English to Metric or vice versa will not affect the unit for totalizers Window for selecting flow rate unit system Flow rate can be in Cubic meter short for m Liter 1 USA gallon gal M31 Imperial Gallon igl Million USA gallon mgl Cubic feet cf USA liquid barrel bal 7 Oil barrel 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 M32 Window for selecting the totalizers unit Available units are the same as those in M31 Window for setting the totalizer multiplying factor T
24. al changes Displays total flow for this month only for the time past Displays total flow for this year only for the time past M 9 Display the not working total time in seconds The total failure timer will also include the time when power off if the back up battery is applied M 2 Entry to solidify the zero point Password protected pipes M 8 The maximum flow rates for today and this month Serial port tester with CMM command output for very second Entry to hardware adjusting windows only for the manufacturer M 1 4 20mA output adjustment 4mA calibration for AI3 input 4mA calibration for AI3input SSS M 7 Temperature Calibration at 50 C S Temperature Calibration at 50 C Temperature Calibration at 84 5 C Note 1 windows in Red are new to our old version of flow meter Setup the Q value threshold M 5 If the present Q is below this threshold flow rate will be set to 0 This function is useful when flow meter is installed in noisy environment or on airy 2 Windows in Blue are energy related windows 3 The term totalizer is also called accumulator 5 Begin to mount and measure 5 1 Steps to Configure the Parameters 22 hh PLONGRUN www ultrasonicscn com The following parameters need to be configured for a proper measurement 1 Pipe outer diameter 2 Pipe wall thickness 3 Pipe materials for non standard pipe materials the sound speed for the material must be configured too Standard pip
25. ation Check if the current loop is calibrated correctly Display the present output current of current loop circuit M60 Setup system date and time Press ENT for modification Use the dot key to skip the digits that need no modification Display Version information and Electronic Serial Number ESN that is unique for M61 each flow meter The users may employ the ESN for instrumentation management RS 232 RS485 setup All the devices connected with flow meter should have matched serial configuration nas The following parameters can be configured Baud rate 300 to 19200 bps parity data bits always is 8 stop bits Select communication protocol M63 Factory default is MODBUS ASCII this is a mode for MODBUS ASCII Meter BUS Fuji Extended Protocol If you are going using MODBUS RTU you have to select MODBUS_RTU AI3 value range M64 Used to enter temperature pressure values that are corresponding to 4mA and 20mA input current The display values have no unit so that they can present any physical parameter AI4 value range M65 Used to enter temperature pressure values that are corresponding to 4mA and 20mA input current AI5 value range M66 Used to enter temperature pressure values that are corresponding to 4mA and 20mA input current Windows to setup the frequency range lower and upper limit for the frequency output function Valid range is OHz 9999Hz Factory default value is 0 1000 Hz For Version 12 Ve
26. better 3 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 4 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 5 3 Transducers I nstallation The transducers used by the LRF 2000 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 difference 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 Steps to the installation of the transducers 1 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 2
27. by 8VDC 36VDC 50mA or 10VAC 30VAC 50mA 24 Daily time period flow totalizer refer to Menu 80 2 3 Picture of the module and its terminal description hh PLONGRUN www ultrasonicscn com Terminals NOTE The terminal pin outs may vary with different module 8 36V 8 36V Power supply 10 36VAC is also applicable to these two terminal 485 485 RS485 terminals AO AO Analog output loop powered UP UP Connect to the upstream transducer DN DN Connect to the downstream transducer GND Ground for the transducers NOT for power and AO and RS485 Avoid of making any connection from power to the GND terminal or the isolation will lost T1 T2 Connect to signal terminals of the PT100 RTD TX1 TX2 Connect to the power terminals of the PT100 RTD The return terminals of the RTD connect to GND AI3 Al4 AI5 Analog inputs Ground connect to GND OCT OCT OCT output terminals OCT is related to Mneu78 OCT2 OCT2 OCT outputs which is related to MENU79 the RELAY output setup 3 On Board Segmental LCD display Details Each LRF 2000M has an on board 96 segments LCD display like in the figure It is only for the purpose of displaying There 40 displays in total The only key is for the browsing of displays Yul D Gf a AH nooo oo oy PICILICICIL ICE kWh sasasasa For numbers vwowevvvvy toe tat Signal strength wr Seas SH Signal Quality the Q Val FEEFEE Signal Quality the Q Value Saas Sars
28. d 500 in M57 a2 hh PLONGRUN www ultrasonicscn com 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 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 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 6 15 How to use the Frequency Output There is a Frequency Output in all LRF 2000 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 fo
29. d on pipes with a diameter from 15mm to 50mm F Downsiream Transducer A Upstream Transducer Am 5 L al a De Transducers Spacing 5 3 6 N method I nstallation Rarely used method hh PLONGRUN www ultrasonicscn com 5 4 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 5 4 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 from 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 varyin
30. d pipe parameters You can use menu window 27 to store or restore from the internal Flash memory as many as 9 different pipe parameter configurations 7 Communication Protocols LRF 2000M has an isolated serial port the RS485 LRF 2000M can support more than 4 different communication protocols by the same time include MODBUS ASCII ASCTI RTU Meter BUS the Fuji Extended Protocol and more than 10 compatible communication protocols used by our flow meters MODBUS is a very commonly used industrial protocol Both the RTU and the ASCII format of MODBUS is supported The Fuji Extended Protocol is developed based on the protocol used in a Japanese ultrasonic flow meter It is totally compatible with that of Version 7 flow meter LRF 2000M can be used as a sample RTU terminal The 4 20mA output in the LRF 2000M can be used to open an analog proportional valve The OCT output can be used to control the turn on and turn off of other devices such as a pump The analog input can be used to input pressure or temperatures signals There is a programmable device address or ID number located at window M46 When LRF 2000M is used in a network all the parameters of the flow meter can be programmed through the network except the device address that needs the keypad At most occasions data should be obtained by polling the flow mete with a command the flow meter will respond with what the master asks LRF 2000M can also set to automatically outpu
31. ducer installation should be checked again Displays total transit time and delta time transit time difference Displays the Reynolds number and the pipe factor used by the flow rate measurement program Pipe factor is calculated based on the ratio of the line average velocity and the cross section average velocity 1 Display the positive and negative energy totalizers 2 Upon entering this window the circular display function will be started automatically The following windows will be displayed one by one each window will stay for 8 seconds M95 gt gt M00 gt gt M01 gt gt M02 gt gt M02 gt gt M03 gt gt M04 gt gt M05 gt gt M06 gt gt M07 gt gt M08 gt gt M90 gt gt M91 gt gt M92 gt gt M93 gt gt M94 gt gt M95 This function allows the user to visit all the important information without any manual action To stop this function simply press a key Or switch to a window other than M95 M96 This is not a window but a command for the thermal printer to advance 5 lines of paper This is not a window but a command to print the pipe parameters By default the produced data will be directed to the internal serial bus thermal printer You can also direct those data to the serial communication port This is not a window but a command to print the diagnostic information By default the produced data will be directed to the internal serial bus thermal printer You can also direct those data to the serial communicatio
32. e 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 4 Liner material and its sound speed and thickness if there is any liner 5 Liquid type for non standard liquids the sound speed of the liquid is also needed 6 Transducer type adapted to the flow meter Generally the Standard M1 clamp on transducers will be the selected option 7 Transducer mounting methods the V method or Z method is the common option 8 Check up the Space displayed on M25 and install the transducers accordingly 9 Store the parameter setup For standard pipe materials and standard liquids the following detailed step by step setup is recommended 1 Press keys MENU 1 1 to enter M11 window to input the digits for the pipe outer diameter and then press key 2 Press key to enter M12 window to input the digits for the pipe outer diameter and then press key 3 Press key to enter M14 window and press key to enter the option selection mode Use keys and to scroll up and down to the intended pipe material and then press key 4 Press key to enter M16 window press key to enter the option selection mode use keys A and W to scroll up and down to the liner material and then press key Select No Liner if there is no liner 5 Press key to enter M18 window press key to enter the liner thickness and
33. e provided both with flow meter and energy meat 4 Meaning in error code BitO no received signal Biti low received signal Bit2 poor received signal Bit3 pipe empty Bit4 hardware failure Bits receiving circuits gain in adjusting Bit6 frequency at the frequency output over flow Bit7 current at 4 20mA over flow Bit8 RAM check sum error Bit9 main clock or timer clock error 46 hh PLONGRUN www ultrasonicscn com Bit10 parameters check sum error Bitl1 ROM check sum error Bitl2 temperature circuits error Bitl3 reserved Bitl4 internal timer over flow Bit15 analog input over range Please try to override these energy related bits first when in flow only measurement 5 Unit code for flow rate 0 Cubic 1 Cubic meter 2 Cubic meter 3 Cubic meter day meter second minute hour 4 liter second 5 _ liter minute 6 liter nour 7 Liter day Seno Sine ae gallon second gallon minute hour day gallon second gallon nimute hour day gallon second gallon minute gallon hour gallon day feet second feet minute barrel second barrel minute barrel hour barrel day barrel second barrel minute barrel hour barrel day 7 1 2 REGISTER TABLE for the DATE accumulators 1 REGISTER for accumulators by day Accumulator data for every past day are stored in a loop queue Every day has 16 bytes of data and there are 64 days in total The current pointer which has a range of 0 63 for the day is in REG 0162 if the pointe
34. e removed 3 The zero point that is the indicated flow under the situation of motionless liquid has a great influence over the linearity and accuracy of the flow meter Users should try every possibility to perform the Zero Setup that is located at Menu 42 Zero setup should always been performed under the condition of motionless liquids If Zero setup was been performed with motion of the liquid you can use Menu 43 to restore to the original zero point The zero point will be stored in the RAM memory temporally when you use Menu 42 If you want to solidify the zero point you need to perform Menu 26 make default paras function again If this step was omitted the system will override the RAM zero point by restoring the zero point that is stored in the flash memory with next power on 4 The internal calendar is the base of date accumulators Incorrect date and time will cause messy records with the date accumulators Please the user check the calendar by input correct date and time The calendar runs relying on the backup battery when there is no 24VDC supply When the battery voltage is less than 2 volts a new backup battery should be replaced with Replacing the battery with a new one should be performed with the 24VDC applied so that the accumulator data and calendar data will not get lost 5 Please pay great attention to the power supply The applied voltage should be in the range of 8V to 36VDC or 10V to 30VAC Avoid applying an 110VA
35. e 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 6 How To 6 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 Q is displayed the frequency output is over ranged Increasing the range setting in M69 will make the Q 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 I 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 29 hh PLONGRUN www ultrasonicscn com 6 2 How to judge the liquid flowing direction 1 Make sure that the instrument works properly 2 Check the flow rate for the indication If the displayed value is POSITIVE the direction of the flow will be from the A transducers
36. eceeeeeeeeeeeeeeeeeeuavavavavaeeeeeeneneneneans 38 6 36 How to enter into the linearity correcting How to enter into the data 0008 38 6 37 How to save restore frequently USed pipe parameters ccececeeeeseeeeenereeseeesees 40 7 COMMUNICATION PLOtOCOIS c csceceeeeeeeeeeeeseceeeeeeeeneestststseeeseseaeaeaeaeaeeeaeeesenenenenenenenes 40 Fi TWAS MODBUS GOOG ON aa acccrsnntceoiteendsencaniesnacsnduan tineatadaanineaeiensadtenndanensusancantamancunee 40 7 1 1 MODBUS REGISTERS TABLE ccccsccsssccescenecnseeseenuecnneceeeseuaveuseuureeneueraesens 41 7 1 2 REGISTER TABLE for the DATE accumulators cccceeeeeeseteeeeeeeeseneestaneesenes 47 7 1 3 REGISTER for power on and power off ccccecscseeeseeeeeeeeeeeeeeeeaeenenseareeeenes 49 7 2 The FUJI extended communication PrOtOCOl ccecceeeeeeeeeeeeeeeeeeeeeeeeetaeaeseeeeeanes 51 7 2 1Command prefixes and the command CONNECCHOTS cccececeeeeeeeeeeeeeeeeetanaeeeees 54 7 3 The compatible communication PrOtOCOIS ccceceeeeeeeeeeeeeeeeeeeeeeeseeeeesteratenaneneees 55 TA Key Value Wale viccessee cians ssteetianaaenstaunensvodeasssuseuseaecaacucetarenncaseanineeecsteneanecusaies 58 S TROUDISSHOOUNIG osrin iinn ED 58 8 1 Power on Error Displays and Counter Measures cccceceseseeeeeeeeeeseeeeeueueuavavaranenanes 58 8 2 Error Code and Counter Measures sessssssssrsnssnsrunnnrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnne 59 8 3 Other Problems and SOIU
37. ed with flow meter should have matched serial configuration The following parameters can be configured Baud rate 300 to 19200 bps parity data bits always is 8 stop bits 1 6 30 How to use automatic amending function for offline compensation Use menu window 83 turn on or turn off this function When the function is enabled the flow meter will estimate the average flow uncounted or lost during the offline session and add the result to the totalizer This function is not recommended The user should manage to avoid the offline time to keep precision of the measurement result 6 31 How to use batch controller Please do the following to use the batch controller 1 Go to menu window 80 to select the trig signal 2 Go to menu window 78 OCT output or 79 relay output select 8 Batch Control 3 Use menu window 81 to set the flow batch value dose 6 32 How to adjust the analogue output 37 hh PLONGRUN www ultrasonicscn com We have adjusted every set of meter before delivery Unless you find the current indicated in menu 58 is different with the actual current output please do not do this operation Press keys Oj use the password 4213068 to enter the window Notice the window will close after power off and the password will become invalid then Press keys 1 to adjust the 4mA current output use precision ammeter to measure the output current at the same time use to adjust the digital on the flow
38. ennnurnnnusnunnnnnruennnnennnne 26 S39 V Method Instalati ssnin nn ENa 26 KETAM Rd MSO ersan E E E E 27 5 3 5 W method Installation ccccccecsesssscsecrseseesecrauceeeuseueaveuseneeaeaueuseseeueaversunes 27 5 3 6 N method Installation ccccccsscscceceececearsccneneuvccaesneusceauaenaseeceaeaerecueusauaesesas 27 KFANTO ENEC UD i orn EE EE 28 SAd Signal Strengt aseainena EA EREA E 28 SAL Na Ua aa A E E E ERES 28 5 4 3 Time Ratio between the Measured Total Transit Time and the Calculated Time A OENE EAE A NEE E E EE E E E E E E E E 29 AON WO oen E E E 29 6 1 How to judge if the instrument works PrOperly ccececeeeceeeeeeeeeeeeeeeeeeeeeenenensnsnaees 29 6 2 How to judge the liquid flowing direction s s ssssesssnsresnenssnnnnsrnrrennrnernsnsrnrnernnnne 30 6 3 How to change between units systemS ssssesssnsrssrrrnrrnrnnrnrnrrnrnnrrrnernrrnrrrnnrnne 30 6 4 How to select a required flow rate unit sssssssesnesnerrnnnernnnnrnnnnnnnennnnnnnnrnnrnnrnnnnn 30 6 5 How to use the totalizer MUItIPIICr ccceceesesetereteeeeeeeeeeeeaeeeeeaeaeaeaueeseeenenststsnanes 30 6 6 How to open or shut the totaliZers ccccccceseseseceeeeeeeeeeeeeeveeseeteeeeeeeeeueenensnensnanas 30 6 7 How t reset the totaliZerS eaisassnteratetececesttaetatinteieeutuateand hocueaniutateusnaeanedeneneantaaaaaebuanaia 31 6 8 How to restore the flow meter with default setups ssessssesesneresnnnrsnnrrsrnrrrrnrnne 31 6
39. er the character are the check sum in ASCII format 2BH 31H 32H 33H 34H 35H 36H 37H 45H 2BH 30H 6DH 33H 20H 2 F7H Pay attention to that there may be no characters or only spaces before the character V 2 The N prefix The usage of prefix N goes like N single byte address basic command For example if the address number 88 flow meter is going to be addressed the command should like NXDV CR the decimal value of X should be 88 The prefix W is strongly recommended for new users 3 The W prefix Usage W character string address basic command The value of the character string should have a value in the range of 0 65535 except for the value of 13 ODH carriage return 10 OAH line feed 42 2AH 38 26H amp 54 4 LONGRUN www ultrasonicscn com For example if the velocity of number 12345 flow meter is wanted the command can be like W12345DV CR 57H 31H 32H 33H 34H 35H 44H 56H ODH in binary numbers 4 The command connecter amp The command connecter amp adds several basic commands into a one line compound command The compound command should not exceed a length of over 253 characters The prefix P should be added before every basic command to make the returned results having a check sum For example if the 1 flow rate 2 velocity 3 positive totalizer 4 net energy totalizer 5 the AI1 input 6 the AI2 input of the address number 4321 flow meter are wanted t
40. g 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 5 4 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 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 more coupler or clean the surface etc 3 Pipes are difficult to be measured Relocation is recommended 28 hh PLONGRUN www ultrasonicscn com 5 4 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 th
41. he multiplying factor ranges from 0 001 to 10000 Factory default is 1 M33 Turn on or turn off the NET totalizer Turn on or turn off the POS positive totalizer Turn on or turn off the NEG negative totalizer 1 Totalizer reset M37 2 Restore the factory default settings parameters Press the dot key followed by the backspace key Attention It is recommended to make note on the parameters before doing the restoration M38 Manual totalizer used for easier calibration Press a key to start and press a key to 15 hh PLONGRUN www ultrasonicscn com Interface Language selection The selection could also be changed automatically by the system if English LCD display is 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 the auto scan mode the display will automatically scan displaying from 00 to the entered number of the local segmental LCD display Flow _ damper for a stable value The damping parameter ranges form 0 to 999 seconds 0 means there is no damping Factory default is 10 seconds Low flow rate or zero flow rate cut off to avoid invalid accumulation m42 Zero calibration Zero point setup Make sure the liquid in the pipe is not running while doing the setup Clear the zero point value and restore the solidified zero point value M44 Set up a flow bias Generally this value should be 0 Flow rate
42. he period of every day from 20 00 to 06 00 setups is like M51 start time 20 00 00 M51 interval 10 00 00 M51 log times 9999 means always M80 select item 9 M81 input 100 Unit is defined in M30 M31 M32 The built in batch controller Set the flow batch value dose The internal output of the batch controller can be directed either to the OCT or the RELAY output circuits M81 and M80 should be used together to configure the batch controller Note Because the measuring period is 500mS the flow for every dos should be keeping at 60 seconds long to get a 1 dose accuracy View the daily monthly and yearly flow totalizer and thermal energy totalizer value The totalizer values and errors for the last 64 days 32 last 32 months and last 2 years are stored in the RAM memory To view them use the ENT and UP Down keys Automatic Amending Function for automatic offline compensation Select YES to enable this function select NO to disable it When the function is enabled The flow meter will estimate the average flow uncounted or lost during the offline session and add the result to the totalizer The estimation of the uncounted flow is made by computing the product of the offline time period and the average flow rate which is the average of the flow rate before offline and the one after on line Set the thermal energy unit 0 GJ 1 KC 2 KWh 3 BTU Select temperature sources 0 f
43. hecking Display 07 the state of the flow meter will show The display pattern is FxG SS Q Where SS is the signal strength range in 00 99 normal 50 99 the bigger the better Q is the signal quality range in 0 9 normal 5 9 the bigger the better G step of adjusting signals Normal is a space character X stands for the error code Normal state equal to R 1 signal lower 2 poor signal 3 pipe empty 4 hardware error s 5 In signal adjusting 6 Overflow at Frequency Output 7 Over range for the Analog Output 8 Checksum error of internal data 11 hh PLONGRUN www ultrasonicscn com 9 clock or calendar error s A Parameter checksum error b Software checksum error C Temperature circuits error d Reserved E Internal timer over flow F Analog Inputs over range error If more than one error code exists by the same time the error codes will be display one after another with time seconds 4 Menu Window Details The flow meter user interface comprises about 100 independent windows which are numbered by MOO M01 MO2 M99 M 0 M 1 etc You do not need to remember all the menu windows Just remember the most command used windows and the proximate window numbers of some uncommonly used windows would be sufficient You can always use the going up and going down key to find the right window Note 1 It is recommended to practice
44. higher than the actual flow rate in the pipe under normal working conditions 1 There is probably an offset value wrongly entered by the user in M44 Enter O in M44 2 Problem with transducer installation 3 There is a Zero Point Try to zero the instrument by using M42 and make sure that the flow inside the pipe should be standstill LONGRUN INDUSTRIAL INSTUMENT CO LTD 24 hours service 86 186 5435 6933 Tel 86 543 3611555 Fax 86 543 3615999 E mail info ultrasonicscn com skype Longruncn Website www ultrasonicscn com Add No 584 Huanghe Er Lu Binzhou Shandong province China P C 256600 60
45. ial port of the meter The serial keypad also serves to supply the 24VDC power for the flow meter 3 down loading by use of a PC computer based software 5 hh PLONGRUN www ultrasonicscn com The transducers can be one of any kinds of the types made by this company include the clamp on type the insertion type the PI type and standard pipe type It can even use transducers made by the users or the transducers made by other company The module will satisfy the measurement requirement for most kind of liquids such as water sea water sew water and chemistry liquids It can even measure pure paper pulp or fluids with higher density suspend particles The module can be used alone as a flow meter Users can even integrate a number of the modules into a multi channel flow meter that can measures up to several dozen of different pipes or a flow meter that has higher accuracy by measures the same pipe with all the channels The low flow performance of this module is better compared with our previous flow meters It can measure a flow that is as low as 0 001m S properly when the PI transducers are used 2 2 Features 1 better than 1 accuracy better than 0 2 repeatability 2 128 times of measurement and the revised software make the performance better and the indicated flow more stable 3 RS485 serial port 4 Three analog inputs 5 One 4 20mA analog output 6 Two OCT output channels 7 Ability to measure sewage water
46. ill erase all the parameters entered by the user and setup the instrument with default values except instrument factor and network identification number parameter 6 9 How to use the damper The damper acts as a filter for a stable reading If 0 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 quickly Numbers 0 to 30 are commonly used for the damper value Default value is 10 seconds 6 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 0 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 6 11 How to setup a zero point There exists a Zero Point with certain installation 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 31 hh PLONGRUN www ultrasonicscn com function in window M42 will bring a more accurate measurement result Make sure that there is no liquid running inside the pipe and then run
47. imum is 24 hours Data logging direction control 1 If Send to RS485 is selected all the data produced by the data logger will be M52 transmitted out through the RS 232 RS485 interface 2 If To the internal serial BUS is selected the data will be transmitted to the internal serial bus which allows a thermal printer or a 4 20mA analog output module to be connected to it Display analog inputs AI5 current value and its corresponding temperature or pressure or liquid level value Pulse width setup for the OCT OCT1 output Minimum is 6 mS maximum is 1000 mS 16 M46 M49 hh PLONGRUN www ultrasonicscn com Select analog output 4 20mA current loop or CL mode Available options 0 4 20mA output mode setup the output range from 4 20mA 1 0 20mA output mode setup the output range from 4 20mA This mode can only be used with Version 15 flow meter 2 Serial port controls 0 20mA 3 4 20mA corresponding fluid sound speed 4 20 4 20mA mode 5 0 4 20mA mode can only be used with Version 15 flow meter 6 20 0 20mA mode can only be used with Version 15 flow meter 7 4 20mA corresponding flow velocity 8 4 20mA corresponding heat flow rate 4mA or OmA output value M56 Set the value which corresponds to 4mA or OmA output current 4mA or OMA is determined by the setting in M55 M57 20mA output value Set the value which corresponds to 20mA output current M58 Current loop verific
48. it 0 9 the number before E is an integer 3 Working status code 1 6 letters refer to error code related chapter 4 s is ON OFF or UD For example TR ON RL ON means the OCT and RELAY are closed TR UD RL UD means the OCT and RELAY are not used 53 hh PLONGRUN www ultrasonicscn com 5 stand for key value for example value 30H means key 0 The command M4 cr acts just like the number 4 key on the keypad was pressed 6 a stands for the output current value The maximum value should not exceed 20 0 For example AO2 34567 AO0 2 7 dddddddd stands for the Electronic Serial Number 8 If there are more than one devices in a network all the basic command must be prefixed with N or W otherwise multiple flow meter may reply to the same request and thus a conflict may occurs 9 The returns by the special command for GSM networks contend Chinese characters 7 2 1Command prefixes and the command connector 1 The P prefix The P prefix can be added before every basic command to have the returned message with a two digits check sum The check sum is obtained by a binary addition For example if the command DI CR 44H 49H 2BH ODH in binary numbers will bring a return like 1234567E 0m3 CR 2BH 31H 32H 33H 34H 35H 36H 37H 45H 2BH 30H 6DH 33H 20H ODH OAH in binary numbers then the PDI CR will brings a return like 1234567E 0m3 F 7 CR aft
49. n port This is not a window but a command to copy the current display window By default the produced data will be directed to the internal serial bus thermal printer You can also direct those data to the serial communication port By use of the window copying function you can hardcopy very window displaying manually by switching windows or you can obtain the window displaying data by communication 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 total working time of the flow meter When the backup battery is removed the total working time will be reset to zero Displays the last power off date and time Displays the last power off flow rate Displays how many times of has been powered on and powered off A scientific calculator for the convenience of field working All the values are in single accuracy The calculator can be used while the flow meter is conducting flow measurement Water density and PT100 temperature can also be found in this function M6 Set fluid sound speed threshold 21 M91 M92 M93 M94 M95 M96 M97 M98 M99 M 0 M 1 M 2 M 3 M M 5 M 6 4 onGRun www ultrasonicscn com Whenever the estimated sound speed displayed in M92 exceeds this threshold an alarms signal will be generated and can transmitted to BUZZER or OCT or RELAY This function can used to produce an alarm or output when fluid materi
50. nsertion TLC 2 If the user type transducer is selected you need enter additional 4 user type wedge parameters that describe the user transducers If the PI type transducer is selected you need enter additional 4 PI type transducer parameters that describe the PI type transducers 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 or distance 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 M26 is not turned on the system will try to use the parameters in the system RAM if these parameters are ok otherwise the system will load the parameters in flash memory 0 1 2 3 4 5 6 a 8 9 a _ r O OE cl et oe oe on he O J9 o oa SS bY 14 hh PLONGRUN www ultrasonicscn com 2 Function to store the current parameters into the flash memory so that these parameters will be solidified and will be loaded as the default parameters every time when power is turned on Entry to store to or restore from the internal Flash memory as many as 9 different pipe parameter configurations M27 To save or load the current setup parameter use the going up or going down keys to change the address number press ENT key and use going down or going up keys to select to save to or lo
51. o return with check sum the one line command is like W4321PDQD amp PDV amp PDI amp PDIE amp PBA1 amp PAI2 CR The returned data are 0 000000E 00m3 d AC CR 0 000000E 00m s 88 CR 1234567E 0m3 F7 CR 0 000000E 0GJ DA CR 7 838879E 00mA 59 3 911033E 01 8E CR Any command can be connected together For example if a serious key want be sent to set up the outer diameter to 1234 567 mm a compound command will be MENU11 amp M1 amp M2 amp M3 amp M4 amp M amp M5 amp M6 amp M7 amp M CR 7 3 The compatible communication protocols Flow meters made by our manufacturer have more than 10 different communications protocols For the easier replacement of a water meter most of these protocols are realized in LRF 2000M flow meters Here only one of them the default for compatible protocols CRL 61D D lt 50mm is given for reference These protocols are selectable by Menu63 after the selection of MOBUS ASCI or MODBUS RTU protocols 55 hh PLONGRUN www ultrasonicscn com interface RS232 RS485 baud rate 9600 by default select other 15 different baud rate by Menu 62 parity NONE EVEN ODD can be chosen from Menu 62 Data bits 8 Stop bits 1 2 In the following explanation XXh stands for the address or network ID of the instrument range 00h FFh YYh stands for the new address that will be assigned range 00h FFh ZZh the check sum which is obtained by means of binary addition of all the data bytes
52. on 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 liquid that is to be measured The piping can be in vertical or horizontal position The following table shows Upstream Downstream Piping Configuration Dimension Dimension an d L up Ldn Transducer Position x Diameters x Diameters L up Ldn L up Ldn 7 L up Ldn i am 5 10D 5D 7 Lup Ldn L 1 i 12D 5D L up Ldn men a 20D oD 7 L up Ldn oP L neen 20D 5D L up i 30D 5D 24 hh PLONGRUN www ultrasonicscn com Examples of optimum locations Principles to selection of an optimum location 1 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 2 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
53. or the year could be conducted from the data of the months 7 1 3 REGI STER for power on and power off With every t power on and power off the new generation flow meter will record data about the time duration statue byte and the flow rate into a data block Every data block consists 32 bytes of data There are as many as 16 blocks of data can be recorded for 16 times of power on and 16 times of power off The data blocks are in a structure of loop queue The 16th data block will override the first block by default The location of the current block is presented in the data pointer The current power on data block is pointed by the decease by 1 of the pointer MODBUS registers table for the power on and power off ep ee e E No 3585 1 Power on second and BCD Second in low byte minute in minute high 3586 Hour in low byte day in high 49 4 LONGRUN www ultrasonicscn com day S selene ll neal 0 year high m p eme or haven flow ieee reee minute high _ i Lalla ll day i aa year high 3592 Power off error code BIT B15 stand for corrected lost flow 4 power on when power on See E ooo 6 power off 8 off 0 when off minute high _ o all aaa day E sd peee year high m eere ieee flow ieee gree minute high _ i lL ac day il La a year high eee or eee flow 0 power on when power on See E oo 2 power off 4 off 6 when off hh PLONGRUN www ultrasonicscn com O O O O 7
54. or when Instrumented show flow under 1 02 m h 100000 m h 1 0 is called the maximum flow of the amendment point this set of data is used to facilitate to generated a appropriate correction factor when Instrumented show flow above 50 56 m h So that we get the following data sets from small to large 0 1 0 0998 1 02 5 505 0 93 10 85 0 95 19 78 1 03 51 23 0 99 100000 1 The total is seven sets of data The next step is to put seven sets of data entered into the Instrument Pay attention to the input order in accordance with from small to large To enter the menu M48 then input the data set number 7 to be followed in the above seven sets of data we revised the setup of a multi segment linearity correcting If you need to cancel linearity correcting simply enter 0 in the menu M48 Decommissioned linearity correcting you just need to enter in the menu M48 data points in this case is 7 Noted before the calibration of the instrument you must first close the linearity correcting function If under the condition that the linearity correcting function has not closed the 39 4 LONGRUN www ultrasonicscn com calibration data sets arising from the amendment must be dealing with the reverse curve of the data following the original amendment then input to the Instrument Reverse amendment is very complicated and should be avoided 6 37 How to save restore frequently use
55. r is decreased by 1 when the pointer is 0 then new pointer value will be 63 Assume REG 0162 1 the data for yesterday are in REG 2825 2832 the data for the day 47 4 LONGRUN www ultrasonicscn com Diri SF Hie Fendt before yesterday are in REG2817 2824 and the data for the day of 2 days ago are in REG 3321 3328 REGI STER TABLE for the DAY accumulators variable 2825 Day and Error Code Day in high byte 2826 Month and year Year in high byte 2827 2828 Total working time LONG LU 1 O O O o000000000 O O00 0 0 O O O O O O O O O O O O O O O O O O O OOO0OO0O0OO0OO0OO 63 3321 3328 8 Data block No 63 Note See the meaning of the error code above 2 REGISTER for accumulators by month The structure of month accumulator is the same as that of the day please refer to related paragraph The difference is there are only 32 data blocks for the month accumulator and day variable always has a value of 0 REGISTER TABLE for the month accumulators T No 48 hh PLONGRUN www ultrasonicscn com n a 0163 1 Data pointer for the Integer Range 0 63 month 3329 f1 Error Code BCD S 3331 3332 2 Total working time LONG o Z o hac j aoma r e A month a eee e OO the month 3337 1 ErrorCode BCD 3338 io Month and year Year in E byte 3339 3340 2 Total working time LONG TE pep month il N a a the month a emsa OOo O ea 3 There is no direct data for the year data f
56. r limit 1000 in M76 5 Select item 6 Alarm 1 in M78 6 Select item 6 Alarm 1 in M79 6 18 How to use the built in Buzzer The built in buzzer is user configurable It can be used as an alarm Use M77 for setups 6 19 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 6 20 How to modify the built in calendar No modification on the built in calendar will be needed in most cases The calendar runs on insignificant amount of power supply 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 Press the ENT key under M60 for Modification Use the dot key to skip over these digits that need no modification 6 21 How to view the Date Totalizers Use M82 to view the date totalizers that are comprised of a daily totalizer a monthly totalizer and a yearly totalizer 35 hh PLONGRUN www ultrasonicscn com 6 22 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
57. r the setups Enter the lower flow rate value in window M68 and the higher flow rate value in window M69 Enter the frequency range in window M67 For example assume that the flow rate varies in a range 0m 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 0 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 33 hh PLONGRUN www ultrasonicscn com 6 16 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 X0 1 under window M33 3 Select the output option 9 POS INT Pulse under window M77 INT stands for totalized 6 17 How to produce an alarm signal There are 2 types of hardware alarm signals that are available with this instrument
58. raction 0137 0138 Flow for today LONG i 0139 0140 Flow for today decimal fraction REAL4 a 0141 0142 2 Flow for this month LONG rT 0143 0144 Flow for this month decimal REAL4 fraction 0145 0146 a T Flow for this year LONG E 0147 0148 Flow for this year decimal REAL4 fraction 0158 1 Current display window INTEGER E 0165 0166 2 Failuretimer LONG 0173 0174 E Current output frequency REAL4 0175 0176 Current output with 4 20mA REAL4 N Unit mA 0181 0182 Temperature difference REAL4 o Unit C 0183 0184 Lost flow for period of last REAL4 Unit Cubic Meter power off 0185 0186 Clock coefficient REAL4 Should less than 0 1 0187 0188 Total time for Auto Save REAL4 Time to save by 0056 0189 0190 POS flow for Auto Save REAL4 Time to save by 44 i www ultrasonicscn com a e o ee er v 0056 _ 0231 0232 2 __ Downstream delay REAL4 In microsecond e E ee ee 0257 0288 LCD buffer BCD 0289 LCD buffer pointer INTEGER 0311 Worked time for today LONG Unsigned in seconds 0313 2 Worked time for this month LONG Unsigned in seconds 1437 Unit for flow rate INTEGER 1438 1 Unit for flow totalizer INTEGER Range 0 7 see note 1 1439 Multiplier for totalizer INTEGER Range 0 7 see note 1 1440 1 Multiplier for energy INTEGER Range 0 10 see accumulator note 1 1441 Unit for energy rate INTEGER 0 GJ 1 Kcal 2 KWh 3 BTU 1442 1 Device address INTEGER 1451 User scalefactor REAL4 4 a oe a
59. rom T1 T2 factory default 1 from AI3 AI4 Select the Specific Heat Value Factory default is GB Under this setting the flow meter will calculate the enthalpy of water based on the international standard If the fluid is other than water you should select option 1 Fixed Specific Heat and enter the specific heat value of the fluid Turn on or turn off the Energy totalizer Select thermal energy totalizer multiplying factor Factory default is 1 1 Display the temperature difference 2 Window for entering the lowest temperature difference Display signal strengths S one for upstream and one for downstream and signal quality Q value Signal strength is presented by 00 0 to 99 9 the bigger the value the bigger the 20 hh PLONGRUN www ultrasonicscn com 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 transducers are properly installed the ratio value should be in the range of 10043 Otherwise the entered parameters and the transducer installation should be checked Displays the estimated fluid sound velocity If this value has an obvious difference with the actual fluid sound speed pipe parameters entered and the trans
60. rrent a mA at the AO Note 6 mn AOAN BA1 cr Return the EEEE for T1 d ddddddE dd cr If BA2 cr Return _ resistance for T2 d ddddddE dd cr If O0 20mA O0 20mA O0 20mA AI1 cr Return temperature at T1 input d ddddddE dd cr If AI2 cr Return temperature at T2 input d ddddddE dd cr If AI3 cr Return temperature pressure value d ddddddE dd cr If a2 hh PLONGRUN www ultrasonicscn com _ of AIS ee Al4 cr Return temperature pressure value d ddddddE dd cr If of AI4 R eturn temperature pressure value d ddddddE dd cr If Return the ESN electronic serial ddddddd cr If note 7 number of the flow meter Prefix of an IDN addressing based Note 8 networking The IDN address is byte range 0 253 W Prefix of an IDN addressing based Note 8 het The IDN address is ee word range 0 65535 Prefix of any commands for returns re with check sum Lee commands should not compounding command in one line jexceed 253 bytes long RING cr If Handshaking request from a modem Handshaking from the flow meter to AT CR LF modem GA cr Special command for GSM network note 9 GB cr Special command for GSM network note 9 GC cr Special command for GSM network Poteo note 9 Note 0 cr stand for carriage return its ASCII value is ODH If stand for line feed its ASCII value is OAH 1 d stand for a digit number of 0 9 0 is expressed as 0 000000E 00 2 d stand for dig
61. rsion 13 Version 14 flow meters you need a hardware module which shall be plugged to the Serial Expanding Bus for the frequency output 17 hh PLONGRUN www ultrasonicscn com function Please remember to order the module if you need frequency output function For Version 15 flow meter you need to indicate on your orders that you need the frequency function Otherwise you will get a flow meter which has no frequency output circuits Window to setup the minimum flow rate value which corresponds to the lower frequency limit of the frequency output Windows to setup the maximum flow Rate value that corresponds to the upper frequency limit of the frequency output LCD display backlight control The entered value indicates how many seconds the M70 backlight will be on with every key pressing If the enter value is great than 50000 seconds It means that the backlight will always keeping on LCD contrast control The LCD will become darker or brighter when a value is entered Working timer It can be cleared by pressing ENT key and then select YES Window to setup the lower limit of flow rate for Alarm 1 When the flow rate is below the set value Alarm 1 equals on Window to setup the upper limit of flow rate for Alarm 1 When the flow rate is above the set value Alarm 1 equals on M74 There are two alarms in the flow meter and every alarm can be pointed to alarm output devices such as the BUZZER or OCT output or R
62. s properly connected J Hardware Error Hardware problem Salou the factory 1 Poor signal detected 2 Transducers installed eRe oats measuring place improperly 2 Clean the spot 3 Too much fouling 3 Check fe 4 The pipe liners are too ade thick 5 Problem with transducers 4 Check the coupler cords H PoorSig Detected Check the value entered at M66 M67 M68 and M69 and try to enter a larger value on M69 1 Temporary problems 1 power on with RAM RTC again The actual frequency for the Frequ Output Over Frequency Output is out of the range set by the user System RAM Error Date Time Error siete ini 2 Permanent problems with hardware 2 contact factory Se l Instrument is in the 59 4 LONGRUN www ultrasonicscn com gain for the signal and the number indicates the progressive steps Relocate where No liquid inside pipe the pipe is full of Setup error on M29 liquid Enter 0 on M29 Empty pipe 8 3 Other Problems and Solutions 1 When the actual flow inside the pipe is not standstill but the instrument displays 0 0000 for the flow rate and R displaying signal strength and the signal quality Q value has a satisfactory value The problems are likely caused by the user who has used the Set Zero function on this non standstill flowing pipe To solve this problem use the Reset Zero function on menu window M43 2 The displayed flow rate is much lower or much
63. scale factor The default value is T Keep this value as 1 when no calibration has been made Networks address identification number Any integer can be entered except 13 0DH carriage return 10 OAH line feeding 42 2AH 38 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 system parameters M47 If password is forgotten you could send a command LOCKO to the serial input to unlock Or you can write 0 to REGISTER49 50 under MODBUS protocol Entry to linearity correcting data inputs By using of this function the non linearity M48 of flow meter will be corrected Correcting data shall be obtained by careful calibration Displays the input contents for the serial port By checking the displays you can know if the communication is ok Switches for the built in data logger There are as many as 22 different items can be M50 chosen To turn this function select YES the system will ask for selecting the items There are 22 items available Turn on all those items you want to output Window to setup the time of scheduled output function data logger or Thermo printer This includes start time time interval and how many times of M51 output When a number great than 8000 entered for the times of output It means the output will be keeping always The minimum time interval is 1 second and the max
64. selecting the trig signal for the built in batch controller Available trig sources Key input press ENT key to start the batch controller Serial port AI3 rising edge when AI3 receives 2mA or more current AI3 falling edge when AI3 stop receiving 2mA or more current Al4 rising edge when AI3 receives 2mA or more current Al4 falling edge when AI3 stop receiving 2mA or more current AI5 rising edge when AI3 receives 2mA or more current AI5 falling edge when AI3 stop receiving 2mA or more current 8 Timer periodically define the start time and interval time in M51 9 Timer daily define the start time and interval time in M51 For the input analog current signal 0 mA indicates 0 4mA or more indicates 1 By selecting item 8 the batch totalizer can be started periodically by the internal timer located at Menu51 When the batch totalizer is full a signal which indicate the batch is full can be direct to either the OCT or the RELAY terminals to stop the pump or other devices 19 M81 M82 M83 M84 M85 M86 M87 M88 M89 M90 hh PLONGRUN www ultrasonicscn com By selecting item 9 the batch totalizer could act as totalizer witch runs for only a period of the day so that a alarm signal could be produced if the total flow during that time period is over a certain amount of For example if you want a alarm signal which stand for the total flow is over 100 cubic meters during t
65. t m s EERE 34 GJ Positive bl Heat Decimal point is determined by M88 unit by M84 2 2 3214 KW KW Heat Heat Flow rate rate Unit determined by M84 4 LONGRUN www ultrasonicscn com Temperature 05 34 2345 A C Temperature difference 000012 14 h Unit hours F 80 9 States Error Code Signal Strength and Quality 23 15 49 Calendar Time 07 12 31 Calendar date 0 EO 0 1234 Flow velocity Unit m s E1 99 876 Travel time rate between the measured and calculated travel time a Equivalent resistance of T2 Q V E ma sowaeveson O 18 12800001 Blectronic Serial Number OOOO Z 22 eBeess88 Display ali segments 23 23 A5 F7 89 Inputs at the serial port For the purpose of checking communication 24 L4 Pu l The used protocol Use M63 for select ting MODBUS RTU ASCII L5 1 0000 Meter scale meter factor 25 23658933 m3 Total flow for the year rrr 28 L8 56 546 Total travel time Unit uS 30 CO 4503 Delta Voltage 1 Normal between 3500 5000 for diagnostics 31 Ci 9034 Delta Voltage 2 Normal between 7000 9600 for diagnostics 10 7 10 11 12 13 14 15 hh PLONGRUN www ultrasonicscn com s 65 ooo omeen un mk 0000234 5 KWh_ Negative Total Heat 000045 67 m3 Net total flow oe unit is determined by M33 000012 34 m3 Negative total flow Decimal unit is determined by M33 000012 34 m3 Total flow for the day Decimal unit is determined by M33 3 2 On Board Display Error code By c
66. t data at a period which is programmable The LRF 2000M also has a special command sets to facilitate the use of the flow meter in a GSM network 7 1 The MODBUS protocol Both the two formats of the MODBUS protocol can be supported A software switch located at the window number 63 shorted as M63 after select MODBUS ASCIT or MODBUS RTU will be in functioning The default option is MODBUS ASCII format 40 hh PLONGRUN www ultrasonicscn com LRF 2000M can only support MODBUS functions code 3 and code 6 i e reading registers and writing a register For example reading the registers from REGO001 to REGOO10 in the unit 1 ultrasonic flow meter under the MODBUS RTU format the command could be as following 01 03 00 00 00 OA C5 CD hex Unit Function start REG Numbers of REGs Check sum While under the MODBUS ASCII format the command could be 01030000000AF2 CR and LF Details about the standard MODBUS protocol will not be studied in this manual please the users find them on other related materials By default the RS232 RS485 will setup with 9600 none 8 1 9600bd none parity 8 data bits 1 stop bit 7 1 1 MODBUS REGISTERS TABLE MODBUS REGISTERS TABLE for LRF 2000M please take notice the difference with the water meter MODBUS table 0009 0010 2 Positive accumulator LONG Unit is selected by M31 and depends on totalizer multiplier integer part 0013 0014 2 Negative accumulator Long is a signed 4 byte integer
67. tIONS cccccececseeeseeenecseseaeeeeeeeaeeuseeeestaeersesenesseaneesenas 60 hh PLONGRUN www ultrasonicscn com Technical Manual for LRF 2000M This manual applies to LRF 2000M version13 44 and above 1 Must knows about LRF 2000M Please read the following paragraphs when you use LRF 2000M for the first time 1 The setup of a LRF 2000M ultrasonic flow converter needs one of the three tools The first tool is a parallel LCD and keypad module which can be connected to the 20 Pins port The second tool is a serial LCD and keypad module which can be connected to the RS485 port The third one is a PC based software under development by means of the software the parameters that LRF 2000M needs to work properly could be downloaded by use of the RS232 port on the PC If your computer does not have a RS485 port you need to buy a RS485 RS232 converter 2 All setup parameter data are stored in the RAM memory temporally Users need to solidify the parameters when setups are been finished that is to store the parameter to the internal flash memory Go to Menu26 Select the option that says make default paras then pressing the ENT key will start the progress of storing If the current parameters are different with that in the flash memory the system will store your current parameters into the flash memory and then boot again By doing so the parameters will always be get lost even when both the power supply and the backup battery ar
68. take notice to that the addition is for the data bytes not the controlling and commands bytes and the carry over Offh is discarded H stands for that the number is a hexadecimal number All five command are like following 1 read water meter data command 4A Format 2Ah XXh 4Ah Answer 26h XXh 4Ah_ LL BCD coded ZZh In the above the contents of LL BCD are formatted as in the following table 1 4 Flow The actual value is divided Sho sage eR iog I 1000 unit in cubic meter per hour Positive total flow 4 The actual value divided by 10 unit in cubic meter Total time See table below 2 Reading the recorded meter data command 49 Format 2Ah XXh 49h 56 hh PLONGRUN www ultrasonicscn com Answer 26h XXh 49h LL BCD 43 ZZh The difference between the command 4A and command 49 is that the late command reads out the data which are recorded in the meter by the time which is defined by command 4C 3 Change the address of the meter command 4B Format 2Ah XXh 4Bh YYh Answer 26h XXh 4Bh YYh If XXh YYh this command can be used to do a loop test the net work or to scan and find the existed meters in the network Please pay attention to that the network may lose meters if this command is used in a noisy network 4 Change or assign a time for meter data recording command 4C Format 2Ah XXh 4Ch DDh HHh Answer 26h XXh 4Ch DDh HHh MMh ZZh DDh stands for the day HHh for hour MM for minute data are in BCD code
69. those menu windows on your flow meter while reading this chapter for the sake of easier understanding 2 To quickly switch to a menu window simply press the MENU key followed by the window number a two digit number To move from one window to the next use UP or Down keys Display flow rate and NET totalizer If the net totalizer is turned off the net totalizer value shown on the screen is the value prior to its turn off Select all totalizer unit in menu M31 MO1 Display flow rate velocity Display date time and POS positive totalizer If the positive totalizer is turned off the positive totalizer value shown on the screen is the value prior to its turn off 12 4 LONGRUN www ultrasonicscn com etira oo Pow Meare am i Display flow rate and NEG negative totalizer If the negative totalizer is turned off the negative totalizer value shown on the screen is the value prior to its turn off Display date and time flow rate The date and time setting method is found in M04 MENU6O M05 Display energy rate instantaneous Caloric and total energy Caloric M06 Display temperatures inlet T1 outlet T2 07 Display analog inputs AI3 AI4 current value and its corresponding temperature or pressure or liquid level value Display all the detailed error codes M08 Display working condition and system error codes R stands for normal others refer to Chapter 8 for details M09 Display today s total NE
70. to the B transducers if the displayed value is NEGATIVE the direction will be from the B transducers to the A transducers 6 3 How to change between units systems Use menu window M30 for the selection of unit system in English or Metric system 6 4 How to select a required flow rate unit Use menu window M31 to select the flow unit first and then the timing unit 6 5 How to use the totalizer multiplier 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 quicker response 6 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 30 hh PLONGRUN www ultrasonicscn com 6 7 How to reset the totalizers Use M37 to reset the proper totalizer 6 8 How to restore the flow meter with default 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 lt The master erase step w
71. useauausueenensnstsnanas 35 6 22 How to use the Working TiMer ccccccececsceeceeeeeeeeeeaeeeeeseeeeaeseeesaeaeaeseeesatananeeas 36 6 23 How to use the Manual totaliZer cccccecsesececeeeeeeeeeeeeeeeeeeaeaeaeaeaeeueusenensnsnsnsnes 36 6 24 How to know how long the battery will laSt cc ececeseceeeeeeeeeeeeeeeaeaeseeseaeaeeeees 36 6 25 How to check the ESN and other minor detailS ccccceceeseeeseeeseeeeseneeeeaneeeenes 36 6 26 How to use the data logger for Scheduled output cccececeeeeeeeeeeeeeaeeeeseaeaneeees 36 6 27 How to output analogue Voltage SIGnal cccccecsceeeeeeeeeeeeeaeeeeeeseaeaeseeeeeeananeeees 37 6 28 How to adjust the LCD display ccccececeeeecececeeeteeseeeeeeeaeeeeeeeeuseneneeesenenensnsnanes 37 6 29 HOW to use RS232 RS485 sincsssesesveaentevasvembecaenoasseusneawednenen einen aadauvenmeaddueencesins 37 6 30 How to use automatic amending function for offline COMPENSATION cceeeeeeeees 37 6 31 How to use batch CONTIOMlED cccceeeeeeeeeeseeeeeeeeeeseseeeaeaeeeeeeeaeataeseseseeenenenensnanas 37 6 32 How to adjust the analogue output ccccccececeeeeeeeeeeeeeaeeeeeeeeeeaeeeeeeeeeeaeaeeeges 37 6 33 How to solidify the parameters cccecececeececeeeeeeeeeeseeeeeeeeeaeaeaeataeaeeueusenenensnenanas 38 6 34 How to enter the parameters of user type transducer ccccceeeeeeeeeeeeeeeeeeeeneneneens 38 6 35 How to use the circular display fUNCtION cccc
72. w meters so that we usually call it version 13 flow meter The PCB board measures 116x62 millimeter It is encased in a plastic rectangle case that could be plugged easily onto an installation rail The power supply is 8 36VDC 50Ma 10 36VAC is also applicable It is equipped on board with a 96 segments LCD display an isolated 4 40mA current output 3 ways of analog input one Serial Expanding Bus socket 2 ways of OCT switch output 2 ways of PT100 RTD inputs one isolated and surge protected RS485 Compared with our early version 7 and version 11 flow meters with the cost reduced tremendously major revisions as following have been made 1 128 times of sample of original data version 7 have only 50 made higher accuracy 2 More communication protocols like MODBUS Meter BUS etc 3 Isolated DC AC power supply makes meter could work properly on various demanding industrial environments 4 The new generation of flow meter can measure heat energy now it is equipped with 2 two ways of PT100 RTD 5 Software updating can be done by the users now If any software bug was found we now could send our users with an updating file via email The module can work alone without a LCD and Keypad module The parameters that the flow meter needed to work properly can be 1 Setup by a parallel keypad module which will be plugged onto the parallel interface inside of the module 2 By a serial keypad module which can be plugged onto RS485 ser

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