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US300FM Ultrasonic Flowmeter

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1. Insert the transducers in the fixtures Turn the screw on top of the fixtures by 90 in order to engage and lock its extremity in the groove of the inserted transducer Insert the ruler in the lateral slots of the fixtures see drawing above Adjust the transducer dis tance to the distance suggested by USM300P and fix the transducers with the small plastic screws on the transducer cable side of the fixture Apply acoustic coupling compound to the contact surface of the transducers Place the fixtures ruler assembly on the pipe at the measuring point Take the spring end of one of the ball chains insert the last ball in the slot on the top of one of the fixture mounting the transducers on a vertical pipe and US300FM is placed lower than the pipe it is rec ommended to slip the cable of the upper transducer under the chain in order to free it from me chanical strain Pull the chain firmly and insert it in the second slot on the top of the fixture There should be no air or air pockets between transducer surface and pipe wall Fix the other transducer in the same way Adjust transducer distance again 5 5 2 3 Extension of the Ball Chain Take the fastening clip of the extension between thumb and index finger Hold the loose end of the ball chain in your other hand Put the last
2. 91 Program branches 25 Program 49 Protection against interruption 49 Quantity of measurement selection 39 Reckoning channels esses 46 MEASG RS 49 Pad MOVE TS A teeter cum 47 RESE a EOS 23 Safety precautions 3 Sample 52 Scope of delivery 11 Selection lists edition 63 Serial Ite Tae eu adr Unius 53 Serial number ereere aaaea iaaii 76 Settings dialogues and MENUS 72 74 Sound path 33 Sound velocity measurement 85 Sound velocity of the material 31 Sound velocity of the medium 32 ODOGITIGatlOlS on det dE Caos ial Loa a 109 SORA CO Oise ashes Dosis tct suut ide cs 51 activating deactivating 51 SENOS A 55 Storage MOJE 56 storage of the amplitude 56 storage of the sound velocity 57 121
3. 29 04 01 15 17 of the start time and the display of the difference be bli tween the start time and the actual time N on the lower display line Press any key except BRK to return to the SET TIME display 12 3 Input of the Stop Time US300FM can automatically stop a time programmed measurement The STOP MEASURING screen is displayed after the input of the start time Select one of the options described below Stop measuring 1 Confirm by pressing ENTER Don stop 80 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 12 Time programmable Measurement Option Result DON T STOP Measurement will not be stopped automatically unless if the batteries are empty or e the internal memory is full and no output option other than storing has been selected STOP DATE TIME You can define the date and time of the automatic stop STOP DURATION You can define the duration of the measurement US300FM will then calculate when the measurement should be stopped START DURATION STOP 12 3 1 Entering the Stop Time If you have selected the option STOP DATE AND TIME in the previous step enter the date and time for the automatic stop of the measurement in the same way as the start time Confirm each value with ENTER US300FM will check if date and time entered are valid and will not accept a stop time that is before the previously entered start time As soon as you have entered a val
4. L gt 10D si E LO 14 IM 01G05B03 01E st Edition Nov 5 2001 XX 3 Installation Disturbance source diffuser Inlet Outlet L230D L gt 5D L gt 30D L gt 5D p Disturbance source reducer Inlet Outlet L2 10D L 25D EIN L gt 10D L gt 5D Ln WU LJL L gq Disturbance source valve Inlet Outlet L gt 40D L gt 10D rH L gt 40D a L gt 10D Disturbance source pump Inlet L gt 50D f Ec L gt 50D rd i j A s 2 z V 7 2 j JN K J ZORE EN e o IND p 3 5 2 3 Points to Avoid Try to avoid measuring locations e inthe vicinity of deformations and defects of the pipe e the vicinity of weldings Avoid locations where deposits are building in the pipe Respect the recommandations given below For an horizontal pipe Select a location where the transducers can be mounted on the side of the pipe so that the sound waves emitted by the transducers propagate horizontally in the pipe Thus the solid particles depos ited on the bottom of the pipe and the gas pockets developing at the top won t influence the propaga tion of the signal IM 01G05B03 01E 1st Edition Nov 5 2001 XX 15 3 Installation Correct Incorrect ID o 2c Pn V For a free inlet or outlet pipe section Select the measuring point
5. Y lt U Pr ais lt EN eo fol 01 5 AO Q Z S W KR GILG JU U S 19 V Available cable lengths m Type medium sized pipes Please turn off the primary power supply before connecting the instrument to the power supply e Remove outer right filler plug from housing e Screw the rubber sleeve side of the basic part of the threaded joint in the housing e Strip the transducer off on a length of 60 mm 20 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 3 Installation e Insert the compression part in the cap nut of the threaded joint e Push the cap nut with the compression part on the cable so that the thinner end of the compres sion part is flush with the end of the outer jacket e Push the power cable in the housing through the basic part of the joint e Tighten the threaded joint by screwing the cap nut e Connect the wires to the terminals as described in tables on next page The needed power supply is given on the plate below the terminal block KL3 e After the wiring close the instrument by screwing the front plate on the housing Power supply 100 240 VAC Neutral Earth Phase 100 240 VAC Power supply 24 VDC Terminal Connection Earth
6. 17 Nov 5 2001 XX IM 01G05B03 01E 1st Edition 3 Installation 3 9 3 2 Mounting on a Pipe Lowe zi di V x RAY M EN KA N V _ For pipes of approx 2 inches in diameter e Place the U shaped hook 3 on the pipe insert the pipe fixation plate 1 on the two legs of the hook e Depending on the holes used the flowmeter fixation plate 2 can be placed on the pipe fixation plate 1 so as to allow mounting on a vertical or an horizontal pipe Insert the flowmeter fixation plate 2 on the two legs of the hook in the desired position e Turn assembly to the wished location of measuring instrument Fix the plates to the hook using washers 4 and hexagonal nuts 5 e Screw the flowmeter on the flowmeter fixation plate using the screws 6 washers 7 and hex agonal nuts 8 provided with the pipe mounting fixture For bigger pipes If working with bigger pipes it is possible to mount the plates on the pipe using straps Pull straps of convenient length through the quadratic holes of both plates then lay them around the pipe Tighten and immobilize the straps with an appropriate fixation mechanism Screw the flowmeter on the flowmeter fixation plate using the screws 6 washers 7 and hex agonal nuts 8 provided with the pipe mounting fixture 3 5 4 Connection of the Transducers KL1 If you are replacing a transducer or adding a new transducer to an already installed i
7. Note US300FM stores all changes now at the end of the configuration dialogue 11 3 Measurement Settings In the program branch SPECIAL FUNCTION select SYSTEM settings the SYSTEM SETTINGS then the MEASURING option Measuring Note US300FM stores the MEASURING settings at the end of the dialogue If you leave the program branch before the end of the dialogue your settings won t be effective Always select OFF here SKYDROL Korrect FOLTS on Confirm by pressing ENTER In the FLOW VELOCITY display select NORMAL to Flow Velocity have the profile corrected flow velocity displayed and SNORMAL lt output Select UNCORR to enable the display of flow Mee velocities without flow profile correction This setting is cold start resistant Confirm by pressing ENTER If you have selected UNCORR in the previous display A PROFILE CORR US300FM will ask the MEASURING program branch explicitly whether to use the profile correction for the selected channel or not gt NO lt yes 74 IM 01G05B03 01E 1st Edition Nov 5 2001 XX FLOW VELOCITY 2 60 m s CUE OLfT FLOW gt ABSOLUTE lt sign Cut off Flow gt FACTORY lt user Cut off Flow 5 0 cm s Cut off Flow 5 0 cm s Velocity limit 24 0 m s IM 01G05B03 01E 1st Edition Nov 5 2001 XX 11 System Settings If you select NO the profile correction will be com pletely disabled All measuring guantities will be calcu lated with the uncorrected f
8. Libraries f ist mE Mat ar Liot Select MEDIUM LIST to edit the medium selection list gt Select BACK to return to the SYSTEM SETTINGS Confirm by pressing ENTER Select FACTORY if all materials media of US300FM Material list properties data bank should appear in the selection lists of the program branch PARAMETER An already existing factory gt USER lt selection list will not be deleted but only deactivated Select USER to activate the user defined selection list Confirm by pressing ENTER If USER has been selected you now have the possibility Material list sohow list y 3 gt Sees MEET After edition select END OF EDIT and press ENTER Material list f OL Edit IM 01G05B03 01E 1st Edition Nov 5 2001 XX 63 10 Libraries Select YES to save all changes made in the selection list or NO to leave the edition menu without saving Save List Confirm by pressing ENTER 10 1 1 Displaying a Selection List Select SHOW LIST and press ENTER to display the Material lest f selection list as it would appear in the program branch PARAMETER gt Show List The current selection list is displayed as a scroll list on the second line of the screen User materials media are always part of the current user defined selection list Current J1910 Carbon Steel Press ENTER to leave the current selection list and re Current list f turn to the selection list edition menu Oth
9. Note US300FM emits an acoustic signal every time a measured value is stored 8 1 Measuring with the Data Logger Function 8 1 1 Activating Deactivating the Data Logger Function Select the OUTPUT OPTIONS program branch of the channel for which you want to activate the data logger Outpuc Options X metom for Channel A Confirm by pressing ENTER Select YES to activate the data logger function store Meas Data Confirm by pressing ENTER no gt YES lt IM 01G05B03 01E 1st Edition Nov 5 2001 XX 51 8 Storage and Output of Measured Values 8 1 2 Setting the Storage Rate The storage rate is the frequency at which US300FM outputs or stores the measured values It is used for storing the measured data and for the serial output in online mode and can be set for each meas uring channel independently Note If you don t set the storage rate the default rate or the last rate selected will be used Note If whether the storage of measured values nor the serial output is activated US300FM will omit the display group OUTPUT OPTIONS STORAGE RATE The storage interval in seconds should be at least equal to the number of activated measuring channels When 2 measuring channels are activated the storage rate for a channel should be at least 2 seconds Select the OUTPUT OPTIONS program branch of the Output Options channel for which you want to set the storage rate for Channel A Confirm by pressing ENTER
10. lt 5009 black Px Binary output Up 5 to 24 V Rc kO Uu Ic mA Open Collector gt Ic 1 to 4 mA RLoap is the sum of all ohmic resistances in the circuit resistance of the conductors inner resistance of the aux power supply resistance of the ampere meter voltmeter etc 3 6 Sensor ROM SENSPROM The sensor ROM contains important transducer data It has been inserted in the corresponding termi nals at the factory However if you replace or add transducers the sensor ROM equally has to be re placed or added terminals where you have connected the new sensor see wiring diagram in section 3 9 4 Attention Make sure the inserted sensor ROM really corresponds to the transducer connected above A wrong sensor ROM leads to wrong measured values 3 7 Replacement of the Fuse Power supply must absolutely be disconnected separate instrument from power supply or power adaptor Components may otherwise be damaged 3 9 4 With a small screwdriver unscrew the black plastic cap and pull it out Replace the fuse 250V 1 25 A delayed action Type T Screw the plastic cap back in place It is recommended to replace the fuse every three years unless the fuse burns out by accident 22 IM 01G05B03 01E st Edition Nov 5 2001 XX 4 Getting Started 4 Getting Started As soon as voltage is connected a message will ap pear indicating which transducers were dete
11. OUTPUT TERMINAL CIRCUIT socket Current loop Px active P j red V B J lt 5000 black Px 93 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 14 Process Outputs OUTPUT TERMINAL CIRCUIT NEN socket Binary output Px 9 24V Rc kO Ic mA Open Collector black Px 14 4 Activation of an Analogue Output 14 4 1 Activation of a Current Output Note The display CURRENT LOOP only appears in program branch OUTPUT OPTIONS if a cur rent output has been installed Select the OUTPUT OPTIONS program branch for the channel assigned to the output you want to activate In the CURRENT LOOP display select YES to activate the current output current LOOP al gt YES lt 14 4 2 Activation of a Frequency Output Note The display FREQUENCY OUTPUT only appears in the program branch OUTPUT OP TIONS if a frequency output has been installed Select the OUTPUT OPTIONS program branch for the channel assigned to the output you want to activate In the FREQUENCY OUTPUT display select YES to acti vate the frequency output Frequency QUEDUt EIS no 2 YES 14 4 3 Scale Values After you have activated an output in the program branch oUTPUT OPTIONS US300FM will ask for the scale values for the source item Enter as ZERO SCALE VALUE the lowest measured value expected The displayed measuring unit is the unit of the selected output so
12. Pipe wall material Absolute Pipe wall material Absolute rough roughness um ness um Drawn pipes of non ferrous metal 0 to 1 5 glass plastics and light metal Cast iron pipes Drawn steel pipes e bitumen lining fine planed polished surface e new without lining planed surface e rusted rough planed surface e encrusted Welded steel pipes new long usage cleaned lightly and evenly rusted heavily encrusted Table 3 Typical properties of media at T 20 C and p 1 bar Sound velocity m s Kinematic viscosity Density eee MM NN 50 Glycol HO 60 4104 8096 Sulphuric acid 3 0 BP Transcal LT H2O Ethan Glye 178 3X 60 4100 Methanol 121 08 Jp O79 118 IM 01G05B03 01E 1st Edition Nov 5 2001 XX Reference Sound velocity m s Kinematic viscosity Density mm s g cm 1 5 Milk 0 3 fat 1511 1 030 Milk 3 5 fat 1511 1 7 1 030 Oil 1740 344 8 0 870 Qunolucg 8 899 090 Quintolubric 300 1487 124 7 0 920 R134 Freon 526 1 0 1 000 Hydrochloride acid 3796 1520 1 7 1 200 SKYDROL 500 B4 1387 21 9 1 057 135 986 984 Wmychoide 90 oo osn Tin chloride suspension Table 4 Chemicals to which Autotex keypad is resistant Autotex is resistant acc to DIN 42 115 part 2 to following chemicals for a contact time of more than 24 hours without visible modificat
13. ment Calculated values above ex cept for the wall thickness can be freely assigned to the actual outputs two channel independent out puts available Output damping Oto 100 seconds Alarm Alarm items Upper limit lower limit flow direction change quantity limit for batch operation error measurement impos sible Output hold type Non hold or Hold Output contact di rection Normal Open or Normal Close Data logging function for maintenance purpose only Function Store measured values in the internal memory used with communication function below Memory size 27 000 values Communication function for maintenance purpose only Type RS 232 Cross Cable Connector D sub 9 pin connector male Function On line Off line output of the measured values to per sonal computers Note For maintenance purpose only It can not be used at the normal use with the front cover fixed to the housing as the RS232 port is inside the housing Time programmable measurement function Function Automatic start and stop of the measurement using in ternal clock Can be used with data log ging function or communica tion Power supply Power supply voltage 100 to 240VAC or 24VDC Power consump tion less than 15W Safety and EMC standard General safety EN61010 CE marking EMC regulation EN50081 CE marking AS NZS 2064 C Tick mark Operating conditions Ambient tempera ture 10 to 60 deg C 110
14. Binary output pulse or alarm Terminal type Display and Setting LCD display Keyboard Display language O to 1 output total output number of current and fre quency outputs is maximum 2 Range 0 to 1kHz Contact type Open collector 24V 4mA The value indicates instan taneous flow rate O to 2 outputs Contact type Open collector 24V 4mA The output values are se lectable for each output The pulse outputs indicate the total volume flow 0 01 to 1000 unit with pulse width 80 to 1000 ms Screw type pillar terminals 2x16 characters LCD with back light that can be stitched on or off Two values can be dis played at the same time 15 keys numeric and func tion keys Easy operation by the guid ance on the LCD Following languages select able Czech Danish Dutch English French German Norwegian Polish Turkey Parameter setting storage function Function Calculation function Flow value Sound velocity Calculation for the two flow inputs Storage of pipe and fluid pa rameters Maximum 80 dif ferent settings Storage of all parameters Maximum 14 different set tings Flow velocity Volume flow or mass flow rate and totalization both positive and negative flow totalization Sound velocity in the fluid Two values from average sum or difference of the channel A and channel B inputs are available freely 109 Standard Specifications Output assign
15. e Transducers US300FT Type of usage Dust and water proof Pipe size type Fluid temperature Construction Case material Contact surface material Cable protection material Sensor block size Length of the ca ble part from sensor block to junction box Junction box Total weight General purpose IP65 EN60529 IPx5 JIS C 0920 Waterproof IP67 EN60529 IPx7 JIS C 0920 Medium size 25 to 400 mm Large size 100 to 2500 mm Very large size 2000 to 6500 mm General temp type 30 to 130 deg C High temp type 30 to 200 deg C Stainless steel General temp type PEEK Poly Ether Ether Keton High temp type Polyimid Stainless flexible tube from sensor block to terninal box 18 x 42 5 x 21 5 mm Medium pipe size type 30 x 60 x 33 5 mm Large and very large pipe size type 3 0m Medium pipe size type 4 4m Large pipe size type 12 0m Very large pipe size type A junction box is equipped at the cable end Dimensions 79 x 74 x 58mm excluding gland parts approx 0 9kg Medium pipe size type approx 1 5kg Large pipe size type approx 2 5kg Very large pipe size type Connection cable US300FC Length Weight Connection cable is used from the termial box to the main unit The length is from 1 to 300m approx 167g m IM 01G05B03 01E 1st Edition Nov 5 2001 XX Standard Specifications e Accessories Standard accessories for US300FM
16. In the STORAGE RATE display select one of the sug a gested storage rate If the desired rate doesn t appear select EXTRA press ENTER and enter the storage rate manually Values between 1 and 43200 seconds 12 hours are possible storage Rate once per 10 sec Confirm by pressing ENTER 8 1 3 Identification of the Measuring Point At the beginning of measurement US300FM will now ask you to identify the measuring point Meas Point No Enter the measuring point designation IVE Confirm by pressing ENTER There are two input modes for the designation the plain text mode example MS PK20 and the numerical mode decimal point and or slash are also permitted example 18 05 06 appear in the MEAS POINT NO display the text input mode is activated If not only numbers decimal point and dash can be entered When the measurement is started US300FM will store the designation and the parameters of the measuring point together with the measured values 8 1 4 Measurement When measuring with activated data logger function DATA MEMORY this error message will appear in case of a memory overflow Confirm the message by pressing ENTER The main menu will appear OVERFLOW 52 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 8 Storage and Output of Measured Values Attention US300FM will interrupt measurement if the internal memory is full and no other output option as storing has been activated If another
17. L DC L DC 3 9 6 Connection of the Outputs KL2 Depending on the equipment of your flowmeter different process outputs can be installed Configurate the process output as described in chapter 14 At the end of the configuration dialogue the termi Il active loop nals to be used for connection will be displayed here Terminal Plo PLl P1 and P1 for the active current output e Remove second filler plug on the right of housing e Screw the rubber sleeve side of the basic part of the threaded joint in the housing e Strip the transducer off on a length of 60 to 70 mm e Insert the compression part in the cap nut of the threaded joint e Push the cap nut with the compression part on the cable so that the thinner end of the compres sion part is flush with the end of the outer jacket e Push the process output cable in the housing through the basic part of the joint e Tighten the threaded joint by screwing the cap nut e Connect the wires to the terminals as displayed at the end of the process output configuration dia logue see also wiring diagram in section 3 5 4 The polarity of the terminals is unimportant be cause an internal rectifier is installed e After the wiring close the instrument by screwing the front plate on the housing IM 01G05B03 01E st Edition Nov 5 2001 XX 21 3 Installation 3 5 6 1 Circuits OUTPUT TERMINAL CIRCUIT EE socket Active current Px output red b X
18. NO CONT LIMIT 0 00 e During measurement pressing key Kei will switch all alarms to their idle state However all alarms which switching condition is still met will switch back into their active state after 1 second e Pressing BRK stops measurement and brings you back to the main menu All alarms are switched to their de energized state independently of their programmed idle state 14 6 5 Alarm Outputs in the Parameter Record The configuration of the alarm outputs will be stored with the current parameter record program branch SPECIAL FUNCTION Thus the configuration of the alarm outputs will also be loaded when a stored parameter record is loaded 14 6 6 Alarm Outputs during Transducer Positioning When you have confirmed the transducer distance in program branch MEASURING and the positioning of the transducers begins bar graph display all alarm outputs switch to their programmed idle state When you return to the bar graph display during measurement the alarm outputs will switch back to their programmed idle state An alarm output of the type HOLDING which has switched during the pre vious measurement will remain in its programmed idle state after completion of the transducer posi tioning if the switching condition is not met any more You can obtain the same result by pressing key CI during measurement The switching of the alarms into their programmed idle state is not indicated on the display 14 6 7 Alarm Output Operat
19. cursor keys lt a and 6 Set the hours or minutes using the vertical cursor keys Z 2 j and 8 Oor 4 Confirm the entered start time by pressing ENTER If this error message appears you have probably made the day longer than it is The start time must be set be tween 00 00 and 23 59 Press any key except BRK to return to the SET TIME display IM 01G05B03 01E 1st Edition Nov 5 2001 XX 79 12 Time programmable Measurement As soon as a valid start has been entered the display to set the start date appears Set the day month and year Confirm the set start date START 29 04 2001 Dy pressing ENTER Set Date If the entered start time exists and is in the future US300FM will ask for the stop time section 12 3 If this error message appears the date entered does START 39 04 2001 not exist US300FM also knows leap years INVALID DATE Press any key to return to the SET DATE display If this error message appears the set start time is in the 29 04 2001 04 15 en ki INVALID START Press any key to confirm this message US300FM then displays the actual US300FM time on 29 04 01 15 17 the upper display line and the programmed start 122 9 04 01 V 04 15 on the lower line 7 Here it can be seen that the programmed start is inva lid because it is in the past Use keys 9 3 to switch between the display DISP
20. storage of the totalizer 56 storage TALE iii ao buje oe 52 LADIES i 117 Temperature of the medium 32 G PP T1 Time programmable measurement COUMICOW I lt 22 o vede 82 a 0 g 6 oec c 81 enabling and disabling 79 start and STO T 83 Start UNG aaa ave ab seta 79 SIOD UME e uos A ele 80 Toggling between the channels 40 MOLAN ZE TS duritie a a does iiio 43 OVverflOW nea 44 122 Transducer distance display 41 Trapnsducels d ceca nitka r rn Kt abd SS 9 distance between transducers 34 POSITIONING cid aset ec ie e E ELO EU ra 37 digerit 33 Troubleshooting 103 Unit of measurement 39 UNPACKING roe e veke a r I 12 User area a gre eR 65 User 67 User MOJA sau lA ees la a ee a es 67 nine aa 45 Wall NEK NESS 30 iude IM 01G05B03 01E 1st Edition Nov 5 2001 XX
21. Error messages F1 and F2 Reason Outer Diameter The entered outer diameter value is not compatible with the in 25 2 MINIMAL ner diameter range of the connected transducers Corrective action If the entered outer diameter is incorrect enter the correct value Outer Diameter in the program branch PARAMETER 3100 0 MAXIMUM If the outer diameter really surpasses the given limit consult your local Yokogawa sales office for advice Error message F3 Reason Inner Diameter The inner diameter which is calculated by US300FM from the Too Small entries for wall thickness and outside diameter is smaller than the minimum value allowed IM 01G05B03 01E 1st Edition Nov 5 2001 XX 103 Error message F4 par gt MEA lt opt sf NO DATA Error message F5 NO PARAMETER Store Par Rec 15 Troubleshooting Corrective action Check if the values of outside pipe diameter and wall thickness are correct in program branch PARAMETER You might have corrected the outside pipe diameter without tak ing the wall thickness into consideration Reason There are parameters missing in program branch PARAMETER no complete parameter record exists Corrective action Enter any parameters not yet entered Reason No complete parameter record exists Storage is impossible Corrective action Enter the missing parameters 15 1 2 Errors during Measurement Error message F6 VALUE MEMORY OVERFLOW
22. allows the user to input a secret number that must be en tered to interrupt an ongoing measurement as a protection against unwanted interruption Interruption of a measurement by simply pressing key BRK is not possible when a program code has been en tered When a program code has been set the message PROGRAM CODE IS ACTIVE might be displayed when a key is pressed The message will disappear after a few seconds Attention Don t forget the program code In the SPECIAL FUNCTION program branch select Special Funct f the SET PROGRAM CODE option Set program code IM 01G05B03 01E st Edition Nov 5 2001 XX 49 7 Advanced Measuring Functions Enter a program code of up to 6 characters using the Program Code US300FM keyboard Confirm the entered code by pressing ENTER This error message warns you if you have entered a INVALID CODE reserved number a HotCode for language selection j for example 909049 ple The previous program code as far as existing is valid until you enter another code correctly 7 6 1 Interruption of Measurement To stop measurement when a program code has been set press key 3 and enter the program code US300FM will stop measurement and display the main menu if the entered program code was correct 7 6 2 Canceling a Program Code A program code can be cancelled by pushing the LF Program Code key six times in the PROGRAM CODE display SPECIAL FUNCTION SET PROGRAM CODE Conf
23. at a location where the pipe cannot run empty Correct Disadvantageous EN AA C L EM z bm Correct Disadvantageous d SM chy TER N pese I xd 111 N Ba D d x LA LL A pn For a vertical pipe Select the measuring point at a location where the liquid flows upward The pipe must be completely filled Correct Incorrect A I 3 9 3 Mounting 3 9 3 1 Mounting on a Wall e Unscrew the front panel of the housing e Atthe selected location drill four holes in the wall The necessary screws and plugs are specified in the following drawing The dimensions are given on next page e Insert four plugs in the holes Screw the housing on the wall 16 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 3 Installation 00c 23 5 4 NNNNNNNNNNS DSN 28 lt SN th round head wood screw and plug ing wi Wall mount cal M4 NNNNNNNNNNN 5 RRNA Z 7 7 7 7 7 7 7 7 2 2 th M4 tallow drop screw ing wi Mount 265 280 280 265 94 C N 2 002
24. can log up to 27 000 measured values 80 memory locations are available for measuring point parameters US300FM has a serial interface which allows the transfer of the measured data to a PC or to a printer The data transferred to a PC can be processed by EXCEL or any other data analyzing program US300FM features an integrated measuring point multiplexer which enables simultaneous flow meas urement and reckoning measurement channel A channel B for example IM 01G05B03 01E 1st Edition Nov 5 2001 XX T 2 The Flowmeter 2 2 Measuring Principle US300FM uses ultrasonic signals for the measurement of liguid flow employing the so called transit time method Ultrasonic signals are emitted alternatively in the direction of flow and against it The flowing medium causes different transit times of these two sound signals From the time differ ence US300FM calculates the average flow velocity along the path of acoustic propagation Perform ing a flow profile correction US300FM then calculates the average flow velocity through the cross sectional area which is proportional to the volume flow This effect can be observed over the complete range of flow velocities found in technical applications This allows US300FM to cover a wide flow measuring range and also to determine the direction of flow within the pipe As ultrasonic waves also propagate in solid materials the transducers alternatively operating as sound transmitters and recei
25. connections and make sure that the connected instru ment is ready to receive data 15 1 6 Error Messages during Date Time Setting Error message F18 Reason Date 31 04 2001 The date was not entered correctly INVALID DATE Corrective action Enter a valid date Error message F19 Reason Time 14 63 The time was not entered correctly INVALID TIME Corrective action Enter a valid time 15 1 7 System Errors Error message F20 Reason ofolBM ERROR Unexpected system error ZU O po vle Corrective action Press BRK to return to the main menu Number sequence is an example Should this message appear several times please note the fac tory number of your instrument and the number sequence in the lower line of the display Contact your local Yokogawa sales of fice for further assistance 15 2 US300FM doesn t react anymore Restart the instrument by pressing following keys simultaneously C ES LL RESET 106 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 15 Troubleshooting If the problem occurs again Did you change any parameter and settings before the problem occurred Incorrect parameter and setting values can lead to system errors Try finding out the last changes made and reset the parame ter setting to their initial value Pressing keys BRK w C simultaneously while switching the flowmeter ON until the main menu ap pears will initialize US300FM Most parameters and settings are reset to t
26. falls below this threshold the 0 flow velocity is set to 0 cm s All derived values are 9 cm S egually set to zero Enter here the cut off flow for negative measured val Cut off Flow ues When a negative value rises above this threshold the flow velocity is set to 0 cm s All derived values are 73 0 cm s equally set to zero If you have previously selected CUT OFF FLOW ABSOLUTE only one cut off value has to be en tered The limit comparison will be performed using the abso Cut off Flow lute numerical value of the measured flow velocity 10 cm S 7 5 Reckoning Channels 7 5 1 Overview In addition to the physically existing ultrasonic measuring channels channels A and B US300FM of fers two virtual reckoning channels channels Y and Z These two virtual channels allows you to combine numerically the measuring results of the two ultrasonic channels measured value of channel A minus measured value of channel B for example The result of the numerical operation is the measured value of the selected reckoning channel This measured value is equivalent to the measured values of a physical channel In other words Every thing that can be done with the measured values of an ultrasonic measuring channel totalization online output storing process outputs etc can also be done with the values furnished by a reckoning channel 7 5 2 Characteristics of a Reckoning Channel e The parameterization of a rec
27. normal error a appears 7 4 Cut off Flow The cut off flow function automatically sets all measured flow velocities falling below a certain value to zero All values derived from this flow velocity are equally set to zero Default cut off value is 5 cm s Sign dependent and absolute cut off values are possible The largest cut off value which can be set is 12 7 cm s The cut off value can be set in the program branch SPECIAL FUNCTION SYSTEM SETTINGS MEASURING This setting is cold start resistant If you select ABSOLUTE the user defined cut off value Cut off Flow will not depend on the sign identifying the direction of flow There is only one limit to be set The absolute absolute gt SIGN lt value of the measured value will be compared with the cut off value If you select SIGN the user defined cut off value will depend on the sign identifying the direction of flow Two independent limits can be entered for positive and negative flow velocities IM 01G05B03 01E 1st Edition Nov 5 2001 XX 45 1 7 Advanced Measuring Functions If you select FACTORY US300FM will use the factory Cub ort Flow default setting of 5 cm s for the cut off value factory USERS Select USER to define you own cut off Confirm by pressing ENTER If you have previously selected CUT OFF FLOW SIGN two cut off values must be entered Enter here the cut off flow for positive measured values Cut off Flow When a positive value
28. not conforming to the standards specified by Yokoga wa or due to improper maintenance of the installation location Failure or damage due to modification or repair by any party except Yokogawa or an approved representative of Yokogawa Malfunction or damage from improper relocation of the product in question after delivery Reason of force majeure such as fires earthquakes storms floods thunder lightening or other natural disasters or disturbances riots warfare or radioactive contamination 1 4 How to Use this Manual 1 4 1 Construction of this Manual Chapter 1 Introduction This chapter describes how to use this manual and the meaning of the precautions in this manual It also describes the warranty for the product Chapter 2 The Flowmeter This chapter describes the principle and the feature of this product It also tells you the names of each part of the product Chapter 3 Installation This chapter describes how to unpack and check the delivered goods and also daily handling precau tions for the product and accessories You will also find here instructions for the installation and the connection of the flowmeter Chapter 4 Getting Started This chapter describes how to use the keyboard and display on the front panel and the functions of each key Chapter 5 Basic Measurement This chapter describes how to start the basic measurement including the process of installing the transducers and setting the par
29. output option serial output process output etc has been activated US300FM won t interrupt measurement Only the storage of measured data will be stopped The error message F6 DATA MEMORY OVERFLOW appears periodically 8 2 Offline Output of Measured Values Offline output is the output of the measured values stored in the memory The data can be sent e toa printer connected with the serial interface of US300FM e oras ASCII file to a terminal program e g HyperTerminal under Windows Select the SPECIAL FUNCTION program branch Confirm this by pressing ENTER Scroll through the list until you reach the PRINT MEAS VAL option Confirm your selection by pressing ENTER Special Funct 1 Print Meas Val Connect US300FM to a PC or a serial printer using a RS2323 cable USPA401 or equivalent The output of the stored measured values starts when ENTER is pressed This display indicates that the measured val ues are being transmitted The displayed bar graph informs you of the progress of LILILILILILILILI the data output US300FM transfers the data in the format described in section 8 4 8 3 Online Output of Measured Values The output of measured values to a PC or a serial printer may also be realized directly during meas urement via serial interface Connect US300FM to a PC or a serial printer using a RS2323 cable USPA401 or equivalent Select the OUTPUT OPTIONS program branch Confirm this by pressing ENTER Select the c
30. text is described in section 4 1 1 the selection of the input mode in section 1 1 2 3 1 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 67 10 Libraries Press ENTER when the edition of the designation of EDIT TEXT M1 gt the material is finished Polystyrene FOR A MATERIAL c Material Table 110f appendix B gives the sound velocities of 1590 0 m s some materials Values between 600 0 and 6553 5 m s are accepted Enter the roughness of the pipe taking into considera tion the state of the pipe Table 2 0f appendix B gives mm Roughness typical roughness values of pipes U A FOR A MEDIA Enter the minimum value of the sound velocity in m s for the medium you want to measure Values between 800 and 3500 m s are allowed Confirm by pressing ENTER Enter the maximum value of the sound velocity in m s for the medium you want to measure Values between 800 and 3500 m s are allowed Confirm by pressing ENTER Enter the kinematic viscosity of the medium Values be Kinem Viscosity tween 0 01 and 30 000 00 mm s are accepted 1 01 mm2 s Confirm by pressing ENTER Enter the density of the medium Density Confirm by pressing ENTER 1 00 g cm3 dba 10 2 3 Deleting a User Material or User Medium To delete a user material or medium proceed as follows In the program branch SPECIAL FUNCTION select Install Material INSTALL MATERIAL Or INSTALL MEDIUM and press ENTER oele
31. the digit to be edited DATE 31 01 2001 Mu pet Date Use key 8 2 to edit the selected digit Confirm by pressing ENTER IM 01G05B03 01E 1st Edition Nov 5 2001 XX 1 DATE OL50242001 gt OK lt new 11 System Settings The next display shows the newly set date and asks for confirmation Select OK to confirm or NEW to set the date again Confirm by pressing ENTER 11 2 Settings for the Dialogues and Menus SYSTEM settingst Dialogs Menus In the program branch SPECIAL FUNCTION select the SYSTEM SETTINGS then the DIALOGS MENUS option Pipe circumfer off gt ON lt Outer Diameter LOO 0 mm Pipe Circumfer 314 2 mm Pipe Circumfer 180 mm Outer Diameter DET ei mm 11 2 1 Input of the Pipe Circumference ON enables you to enter the pipe circumference in stead of the pipe diameter in the program branch PA RAMETER This setting is cold start resistant Confirm by pressing ENTER When the PIPE CIRCUMFERENCE Option is ON US300FM will still first ask for the outer diameter in the program branch PARAMETER However you can switch to the CIRCUMFERENCE display by entering O zero and pressing ENTER The value displayed in the CIRCUMFERENCE display is calculated using the last displayed value of the outer diameter For example 100 mm x x 314 2 mm You can now enter the circumference of the pipe The parameter limits for the circumference are calcu lated u
32. you important instructions which should be respected in order to avoid failure or damaging the instrument Proceed with attention This text denotes an action which could result in injury or death of personal Proceed cautiously Respect these safety precautions 1 3 Warranty e he warranty shall cover the period noted on the quotation presented to the purchaser at the time of purchase Problems occurred during the warranty period shall basically be repaired free of charge e n case of problems the customer should contact the Yokogawa representative from which the in strument was purchased or the nearest Yokogawa office e f a problem arises with this instrument please inform us of the nature of the problem and the cir cumstances under which it developed including the model specification serial number and factory number Any diagrams data and other information you can include in your communication will also be helpful IM 01G05B03 01E 1st Edition Nov 5 2001 XX 3 1 Introduction e Responsible party for repair cost for the problems shall be determined by Yokogawa based on our investigation e The Purchaser shall bear the responsibility for repair costs even during the warranty period if the malfunction is due to Improper and or inadequate maintenance by the purchaser Failure or damage due to improper handling use or storage which is out of design conditions Use of the product in question in a location
33. 00 400000000 00 00000000 00 format OUTPUT OP rection direction TIONS Measuring Quantity of Value of the to Value of the to Sound ve Signal am channel measurement talizer for the talizer for the locity of the plitude Contents selected in positive flow di negative flow medium The output of the sound velocity of the medium SSPEED and of the signal amplitude must be acti vated Refer to section 8 7 Online output output during measurement In ONLINE mode columns will be generated for all quantities which may be output during measure ment The columns Q POS and Q NEG will be empty if the totalizer function has not been activated Since no totalizer can be enabled for the measuring quantity flow velocity no columns for total values will be generated Offline output output of stored measured values In OFFLINE mode columns will only be generated if at least one measured value was stored in the respective data set The columns Q POS and Q NEG are not generated if the totalizer function was not enabled Transmission parameter RS232 9600 bits per second 8 data bits even parity 2 stop bits protocol RTS CTS US300FM sends CRLF terminated ASCII Maximal line length 255 characters 8 5 Serial Output Settings Some format settings of the serial output can be edited in the program branch SPECIAL FUNCTION SYSTEM SETTINGS SERIAL TRANSMIS This makes it possible for you to adapt the output de pending on
34. 20 C You will find here the longitudinal and transversal sound velocities of some pipe and liner materials at 20 C The gray underlayed values are not stored in the US300FM data bank In the cggy column the sound velocity longitudinal or transversal used by US300FM for flow measurement is indicated In the case of your particular measurement problem remember that the sound velocity depends on the composition and on the manufacturing process of the material The sound velocity of alloys and cast material will fluctuate over a certain range the velocity given here should in such a case be under stood as an orientation value Ctrans Clong Ctrans Clong Cflow m s m s m s preme EE Asbestos ce 2200 trans Polyethylene sm ment Blume 2500 ve Poystrene 1150 tme _ Bess 200 4X0 wm gt 29 trans seo smo me feve loss eng _ PVC hard Cune 250 vans 760 290 265 wans Quartzglass 355 wans _ Grey castiron 2650 4600 wans Smer 190 wans _ Lex _ 70 22 bo sina _ 292 _ PE 1950 long Stainless 3230 5790 trans steel IM 01G05B03 01E 1st Edition Nov 5 2001 XX 117 Reference Table 2 Typical roughness coefficients for pipes For your convenience we have already pre programmed common roughness coefficients for pipe ma terials The data are based upon experience with measurements performed with these pipe materials
35. 7 Replacement ofthe Fuse 22 4 Getting Started 23 4 1 The Keyboard ee S 4 3 HotCodes 6 4 4 Selecting the Language 261 5 Basic Measurement 29 5 1 Input of the Parameters of the Pipe ____ 291 p 2 Input of the Parameters of the Medium__ 31 5 3 Selection of the Measuring Channels 33 0 4 Selection of the Sound Path Factor 331 5 5 Mounting and Positioning 6 Starting the Measurement 3 d 5 7 Stopping the Measurement HL T M EES ee OO 9 9 Recognition of Flow Direction _________ 38 6 Displaying the Measured Values 39 6 1 Selection of the Physical Quantity v and of the Unit of Measurement 391 6 2 Toggling between the Channels 40 6 3 Configuration of the Display ko IE NE ny o NA Na 6 4 Transducer Distance 4 Advanced Measuring Functions 43 7 1 The Damping Factor 43 74 Cut off Flow A bi 6 Protection against Interruption 49 8 1 Measuring with the Data Logger Function 51 gt mu ee ru jm E cu SE ee 8 2 Offline Output of Measured Values 531 6 3 Online Output of Measured Values S3 8 4 Format of the Serial Output ot 8 5 Serial Output Settings 94 8 6 Deletion of Measured Values 59 8 7 Internal Data Logger Settings 551 01G05B03 01E 1st Edition Nov 5 2001 XX 9 Worki
36. BC 41 DRDITS measure Save Meas Params AS ONT 01 Overwrite gt NO lt yes Input name 01 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 9 Working with Parameter Records Select the channel which parameters you want to save in ParaPool If the parameters you want to save in a new record are already saved in a short record enter the ID number of that record now then press ENTER The parameters of the selected record will be loaded If you wish to save the current parameters of the previ ously selected channel in a short record enter 0 zero or press key Press ENTER to confirm then edit the current parameters This display will appear if you have selected a short re cord in the previous step Select EDIT and confirm by pressing ENTER then edit the loaded parameters At the end of the edition of the loaded parameters US300FM asks you under which ID number the edited parameters must be stored Enter an ID number 1 to 80 Confirm by pressing ENTER If parameters are already saved in the selected short record US300FM asks if you want to overwrite them Select YES to overwrite the parameters or NO to enter another ID number Confirm by pressing ENTER Enter a name for the short record In the program branch SPECIAL FUNCTION SYSTEM SETTINGS DIALOGUES MENUS MEAS POINT NO you can choose if the name should be entered alphanumerically or as key sequence Confirm by pre
37. Cleaning Clean the instrument with a soft cloth Do not use detergents Remove traces of acoustic coupling compound from the transducers with a paper tissue 12 IM 01G05B03 01E st Edition Nov 5 2001 XX 3 Installation 3 5 Installation 3 5 1 Location In a first step select the measuring point according to the recommendations given in 3 5 2 making sure that the temperature at the selected location is within the operating temperature range of the transducers see Standard Specifications in appendix A Select afterward the location of the instrument within cable reach of the measuring point Make sure that the temperature at the selected location is within the operating temperature range of the transmit ter see Standard Specifications in appendix A 3 5 2 Selection of the Measuring Point The correct selection of the measuring point is crucial for achieving reliable measurements and a high accuracy Basically measurement must take place on a pipe e in which sound can propagate see section 3 5 2 1 e andin which a fully developed axi symmetrical flow profile is observed see section 3 5 2 2 The correct positioning of the transducers is an essential condition for error free measurement lt guarantees that the sound signal will be received under optimal conditions and evaluated correcily However because of the variety of applications and the different factors influencing measurement there can be no standard solution for t
38. Enter the PULSE WIDTH Values between 80 and 1000 Pulse Width milliseconds are possible The pulse width depends on the specifications of the instrument e g counter total 100 izer PLC which will be connected with the pulse output US300FM then displays the maximum possible flow in the pipe that the pulse output can work with This value is calculated from the data given for pulse value and pulse width INFO Max Value Confirm by pressing ENTER opa 1027 Attention If the actual flow exceeds this Max Value the pulse output will not function correctly In such a case the pulse value and pulse width should be changed to accommodate the flow conditions 14 6 Activation of an Alarm Output Note The display ALARM OUTPUT only appears in the program branch OUTPUT OPTIONS if an alarm output has been installed A maximum of 3 alarm outputs operating independently of each other can be assigned to a measuring channel The alarm outputs can be used e for the output of status information about the ongoing measurement e orto start and stop control pumps electrical motors or other equipment IM 01G05B03 01E 1st Edition Nov 5 2001 XX 95 14 Process Outputs You may assign one of the following functions to each of the alarm output Function Alarm is activated when Upper limit the measured value exceeds the upper limit Lower limit the measured value falls below the lower limit Sign change the flow ch
39. Error message F7 Volume Flow 04 5 moll Z A question mark appears at the right side of the lower display line SIGNAL LED is red 104 Reason US300FM interrupts the measurement when there is not enough free internal memory available The measurement will not be inter rupted if an output has been activated In this case the error mes sage appears periodically on the display Corrective action Deactivate the output option STORE MEAS DATA section 8 1 1 Output the stored measured values via the serial interface After wards you can delete them see section 8 6 Reason The guestion mark signals that there is insufficient acoustic contact during the measurement The measurement is erroneous The last correct measured value remains on the display Corrective action See section 15 3 IM 01G05B03 01E 1st Edition Nov 5 2001 XX Error message F8 NO COUNTING Error message F9 Velocity limit m s An exclamation mark appears at the right side of the lower display line SIGNAL LED is red 15 Troubleshooting Reason You have tried to activate the totalizers although flow velocity was selected as the guantity of measurement This guantity of measurement cannot be totalized Reason The exclamation mark signals that the defined upper limit for the flow velocity has been surpassed All values of flow veloci ties greater than this limit are marked as outliers invalid meas ured v
40. If the free memory capacity is insufficient try the following e Delete all previously stored measured values SPECIAL FUNCTION DELETE MEAS VAL e Extend the storage interval OUTPUT OPTIONS W STORAGE RATE Doubling the storage interval e g from every second to every two seconds will halve the memory requirement e Deactivate the totalizers if possible The storage of one totalizer value app triples the memory re quirement e Check the totalizer storage mode In SYSTEM SETTING STORING QUANTITY STORAGE select ONE if your measurement problem allows the storage of the totalizer for only one flow direc tion US300FM can be fitted with a memory expansion Contact your distributor for details 12 4 1 The Countdown runs Note The countdown can be stopped at any time by pressing key BRK 82 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 12 Time programmable Measurement US300FM indicates that the countdown is running The WAIT TO START AT upper line of the display shows the current status wait ing for the start time or the current time alternately The lower line shows the start time 00 044 042019200 Use key 3 to switch between the display of the start aU UA i hon oa time and the display of the time remaining before meas xx 00h 29m 10s urement start on the lower line DISP At any time during the countdown you can check if a stop time has been programmed Press key E to display informatio
41. L Connection to the junction box The other end of the connection cable must be connected to the junction box Remove the 4 screws fixing the cover of the junction box and open the box Strip the cable off on a length of 30 mm Unscrew a threaded joint leaving the compression part 2 in the cap nut 1 Push the cap nut with the compression part on the cable so that the thinner end of the compression part is flush with the end of the outer jacket Pull about 15 mm of cable shield back on the compression part as illustrated in 5 Screw the rubber sleeve side of the basic part 4 in the junction box IM 01G05B03 01E st Edition Nov 5 2001 XX 19 3 Installation e Push the connection cable in the junction box through the basic part of the joint e Tighten the threaded joint by screwing the cap nut on the basic part Proceed to wiring according to the wiring diagram below then close the junction box by screwing the COVET Transducers for large and very large pipes X T F k ge N 1C N YA RZ e AA S A J J A SY d omm V Ce oS 1 E 5 2 A au Available cable lengths m large pipes very large pipes Transducers for medium sized pipes X
42. Manual Others fixing hardware couplant etc Some are selectable in the model and suffix code see next page of the main unit or transducers or separate orders are also possible Units of Measurement Volume flow Flow velocity Mass flow Totalizers Sound velocity Volume Mass m3 h m s g s m3 g m s m3 min inch s t h kg m3 s kg h gal t l h kg min l min l s USgph USgpm USgps bbl d bbl h bbl m 1 gallon US 3 78 1 barrel 42 gallons 158 76 IM 01G05B03 01E 1st Edition Nov 5 2001 XX Standard Specifications Flow Nomogram Volume flow rate s m h min 5 10 10 4 10 3 10 3 10 2 10 10 1 10 1 10 1 0 5 10 0 5 1 2 3 5 10 Flow velocity 112 IM 01G05B03 01E st Edition Nov 5 2001 XX Standard Specifications Model and Suffix Code Ultrasonic flowmeter fixed type Model Suffix code Specication zal NIN a fixed type One current output nali Two current outputs 100 to 240 VAC Input Channel 24 VDC One input channel one path Two input channel two path Electrical Connec ISO M20 x 1 5 female tion One binary output pulse or alarm open collector see note IPU2 Two binary outputs pulse or alarm open collector see note Frequency output open collector 0 to 1 kHz see note IBGT Tag number on the nameplate in the name plate label maximum 16 characters SCT Tag number of the stainless steel
43. N SYSTEM SETTINGS STORING program branch select the STORE AMPLITUDE entry 56 If you select oN US300FM will store the amplitude of otore Amplitude the measured signal with the measured flow values off gt ON lt when the storage of the measured values is activated Confirm by pressing ENTER IM 01G05B03 01E 1st Edition Nov 5 2001 XX 8 Storage and Output of Measured Values 8 7 4 Storage of the Sound Velocity of the Medium In the SPECIAL FUNCTION SYSTEM SETTINGS STORING program branch select the STORE C MEDIUM entry If you select oN US300FM will store the measured sound velocity of the medium with the measured flow values when the storage of the measured values is ac tivated Confirm by pressing ENTER Store c Medium OLE gt ON lt 8 8 Available Memory US300FM can store a maximum of 100 measuring data sets The number of data sets that can be created depends on the total number of measured values stored in the precedent data sets When all stored measured values have been deleted and a new measurement is started with only one guantity of measurement on one channel and no totalization approx 27 000 measured values can be stored in the data set of that measurement Proceed as follows to find out how much memory is still available for storage Select SPECIAL FUNCTION INSTRUM INFORM Special Funct Confirm by pressing ENTER Instrum JD form The type designation and the factory number of your
44. TPUT OPTIONS select the channel you want to use to measure the sound velocity Physic Quant 2 Confirm by pressing ENTER Select the sound velocity Sound velocity as physical guantity of measurement Confirm by press ing ENTER Since the sound velocity measurement does not serve for process outputs online offline output and storage of measured values this selection immediately ends the program branch OUTPUT OPTIONS The parameter record outer diameter wall thickness of the selected channel is used for measuring the sound velocity To start the measurement of the sound velocity select the program branch MEASURING and then the channel for which SOUND VELOCITY was set as physical quantity of measurement Enter an estimated value for the sound velocity of the A c Medium ca medium Values between 800 and 3500 m s are ac 1475 inus cepted Confirm by pressing ENTER Select YES to measure in reflection mode NO to meas A Reflection Mod ure in diagonal mode Generally the correct positioning no gt YES lt of the transducers in reflection mode is easier than in diagonal mode Mount the transducers on the pipe taking into account A Transd Distan the suggested transducer distance see section 9 5 1 24 7 mm Reflecti Confirm by pressing ENTER US300FM calculates this first transducer distance on the base of the estimated value of the sound velocity and the actual parameters The amplitude of the received signal i
45. User s Manual US300FM Ultrasonic Flowmeter IM 01G05B03 01E YOKOGAWA Yokogawa Electric Corporation IM 01G05B03 01E 1st Edition US300FM can be operated in the language of your choice Please refer to chapter 4 4 US300FM blendet seine Anzeigen in einer durch Sie zu wahlen den Sprache ein Siehe Kapitel 4 4 Il est possible de s lectionner langue utilis e US300FM a l cran Veuillez consulter le chapitre 4 4 Ll Displayteksten for US300FM findes i m leapparatet pa sprog dansk tysk engelsk fransk Brugeren kan veelge et af disse sprog se afsnit 4 4 Remarks IBM is a protected trademark of International Business Machines Corporation MS DOS Excel Windows are trademarks of Microsoft Corporation Yokogawa US300FM Firmware Version V5 xx IM 01G05B03 01E 1 edition Subject to change without notice Copyright O 2001 All rights reserved Table of Contents 11 Introduction 3 1 1 Regarding this manual 3i 1 3 Warranty i 1 4 How to Use this Manual 4i 2 The Flowmeter 000 A 2 1 Overview 2 Measuring Principe 777 771 8 2 3 Applications 8 2 4 Description of the Flowmeter gi NE aa pool aa m ea paje mM m m ph pola aa la aa aa a a ja Installation 1 11 9 1 Scope of Delivery AUD MCI 1 8 0 EEE EE EE UR Nl 8 2 Unpacking nn a Z 3 4 Cleaning _________________________12 8 6 Sensor ROM SENSPROM 2 I 8
46. ag net ear Deed oka eden 103 Error value 91 Error valu delay 32 o 93 Firmware 76 FIOW GNCCIION ETT 38 13 Flow velocity To c WIM ae s 45 E 45 Function control process outputs 92 Handling precautions 12 POU GCOd6S Sco dou e LM oL PE 26 UMA MUX d EN 40 PIMA ZATION eeepc 23 NADU IMO CG Er 73 Instrument information 76 KEY DOM s 23 Kinematic viscosity 32 Language selection 26 PID PAROS na nr o rn sates 63 Mali MENU NERO 25 Maternal na Na 63 Materials Genning ete 65 67 deleting a ea a boxed oa ba score in 68 Measurement Staing sane ea c 37 STOPPING ans T nn 38 Measuring channel selection 33 Measuring channels 40 Measuring point o 15 isle M CT RO 13 Measuring point designation 52 73 Measuring principle 8 Media REOR TERT 65 67 OVS WING NI O 68 IM 01G05B03 01E 1st Edition Nov 5 2001 XX Index Meditimi HS tre k 63 Medi
47. alculation This display appears only if you have selected the USER CUT OFF FLOW Enter here the cut off flow for negative measured values Should the measured value rise above this threshold a flow velocity of O cm s will be used for further calculation You can enter here an upper limit for the flow velocity see section 7 3 Values between 0 1 and 25 5 m s are accepted Entering 0 0 switches off the test for out liers 75 11 System Settings Select here the overflow option for the flow totalizers Ouant wrapping Select ON to work with overflow The totalizer resets automatically to zero as soon as 19999999999 is reached as for a water clock gt OFE lt on Select OFF to work without overflow The numerical value of the respective totalizer increases up to the in ternal limit of 10 The values are displayed as expo nential numbers 1 00000E10 if necessary In the QUANTITY RECALL display select ON if you wish that the previous numerical values of the total izers are kept after restart of the measurement Select gt ON lt OFF if you wish the totalizers to be reset to zero after restart of the measurement Quantity recall 11 4 Setting the Contrast In SPECIAL FUNCTION SYSTEM SETTINGS se SYSTEM settings sli lect MISCELLANEOUS and press ENTER Miscellaneous oet the contrast of the display using the following SETUP DISPLAY lt GONTRA ST gt 6 increases contrast P SE 4 decreases cont
48. alue or measurement impossible Corrective action Wait until the disturbances that cause the high velocities in the pipe disappear If necessary consider the input of a new upper limit or deacti vate the velocity check section 17 3 Look for a more suitable measuring point 15 1 3 Errors during Input of Program Code Error message F12 INVALID CODE 909049 Reason The program code was not entered correctly Corrective action You have entered a reserved number a HotCode selecting a language for example or you have entered less than 6 characters Enter a correct program code 15 1 4 Errors when Working with Parameter Records Error message F14 NO PAR STORED Delete Para Rec IM 01G05B03 01E 1st Edition Nov 5 2001 XX Reason The display DELETE PAR REC of the program branch SPE CIAL FUNCTION was selected although no parameter records exist Corrective action This message is for information only Press ENTER to return to the main menu 105 15 Troubleshooting 15 1 5 Errors during Data Transfer Error message F16 Reason NO DATA The special function PRINT MEAS VAL was activated al Print Meas Val though no measured values are stored in US300FM Corrective action Activate STORE MEAS DATA and repeat measurement Error message F17 Reason SERIAL ERROR There is a problem with the serial communication Print Meas Val Corrective action Check
49. alue f Hold last value Error value f Maximum 20 0 mA IM 01G05B03 01E st Edition Nov 5 2001 XX 91 14 Process Outputs Selected error value option Output signal Error value Other value Error value 2go Select an error value in the scroll list Error value Confirm by pressing ENTER Minimum If you have selected OTHER VALUE enter the error Error value value now The value must be within the physical limits of the process output Confirm by pressing ENTER Note US300FM stores your settings now at the end of the dialogue 14 1 3 Function Check Finally you can test the function of the installed output Connect the output you have installed with a multimeter Test of analogue outputs Enter a test value in our example the current output is 11 0Gdtput Test tested The test value should be in the selected output mA range Confirm by pressing ENTER The output functions correctly if the measuring instru Tl 4 0 mA ment displays the entered value Again no gt YES lt Select YES to repeat the test No to return to the sys TEM SETTINGS Confirm by pressing ENTER Test of binary outputs In the OUTPUT TEST scroll list select OFF to test the Bl Output Test f de energized state of the binary output Reed Relais OFF Confirm by pressing ENTER No current should be flowing at the output now 92 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 14 Process Outputs Se
50. alues will be stored in memory after meas urement is started These stored values will be kept when the measurement is interrupted key BRK to start the countdown or during countdown e However when the programmed measurement is started at the programmed start time all values stored before the countdown will be disregarded The first measured value recorded after the automatic start is the first value of the current measuring data set The start time will be stored as date and time reference for the current measuring data set 12 6 Comments on ONLINE Output When the ONLINE output via the serial interface is activated the usual header will be transmitted or printed at the start of the measurement As long as the countdown has not started the current measured values and totalizer values will be output As soon as the countdown is started US300FM will confirm that it is waiting for the start time and in terrupts measurement When the start time is reached US300FM will transmit or print date time and measuring point num ber Then after the character string DATA the measured values will be printed in the normal fashion An automatic stop of the measurement by reaching the pre programmed stop time is indicated as fol lows N STOP MEASURE AT 30 04 08 15 00 84 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 13 Measuring the Sound Velocity of the Medium 13 Measuring the Sound Velocity of the Medium In the program branch OU
51. ameter Use to correct input mistakes 4 Display of information and error messages Note should be taken if the display contains information Outer Diameter Or error messages 3100 0 MAXIMUM The messages can be confirmed by pressing ENTER V 4 3 HotCodes A HotCode is a specific key seguence which has to be entered to activate some settings Enter Hot Codes in the main menu after pressing key c The HotCode itself is not displayed during entry 4 4 Selecting the Language US300FM can be operated in one of the languages listed below The language can be selected with the following HotCodes see section 4 3 Depending on the specific technical characteristics of your instrument some of the languages listed below might not be implemented Language HotCodes 909031 for Dutch 909047 for Norwegian 909033 for French 909048 for Polish 909042 for Czech 909049 for German 909044 for English 909090 for Turkish 909045 for Danish When the last digit has been entered the main menu appears in the selected language and US300FM greets accordingly The selected language remain activated even after switching the unit OFF and ON again 26 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 4 Getting Started Should you have entered the HotCode for the language version incorrectly press key then enter the HotCode again 4 4 1 Interruption of Power Supply US300FM stores all actual measuring parameters in a non volatile cold
52. ameters Chapter 6 Displaying the Measured Values This chapter describes how to display the measured values or some other information on the display It also describes how to change the physical quantity and the unit for the measurement Chapter 7 Advanced Measuring Functions This chapter describes some advanced measuring functions like flow totalizer cut off flow the calcula tion using the measured value of the two channels Chapter 8 Storage and Output of Measured Values This chapter describes how to store the measured values in the internal memories and how to output the measured results to a PC or a serial printer Chapter 9 Working with Parameter Records This chapter describes how to define the specific measuring point data as the parameter records which is for the convenience of your specific measuring tasks 4 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 1 Introduction Chapter 10 Libraries This chapter describes how to define the specific parameters for materials and media It describes how to make a own list of the materials and media for the convenience of your specific measuring tasks Chapter 11 System Settings This chapter describes the settings on the system functions If you would like to get the information and to activate some additional functions of the product please refer to this chapter Chapter 12 Time programmable Measurement This chapter describes how to use timer start and stop function for
53. anges direction Quantity limit a totalizer has reached a predefined limit e g for batch operations Error NO measurement is possible No function The alarm is always de energized Further settings for the alarm output are e the holding behavior holding non holding and e the status in idle state normally open closed Select the OUTPUT OPTIONS program branch for the channel assigned to the output you want to activate In the ALARM OUTPUT display select YES to activate one or several of the installed alarm outputs Alarm output no DIES The display that then appears contains tree scroll lists R2 FUNC lt typ mode FUNC for setting the switching condition PURCE LOR MAX TYP for setting the alarm s holding behavior MODE for setting the alarm s state when idle Use keys e4 and 6 to select an scroll list on the first line Z x Qon B Use keys 8 and 2 to select the corresponding setting on the second line More Press ENTER to confirm the selected settings at the end of selection 14 6 1 Setting the Alarm Properties FUNC MAX Alarm is activated when the measured value exceeds the up per limit switching condition MIN Alarm is activated when the measured value falls below the lower limit 5 gt Alarm is activated when the flow changes its direction sign change of measured value ERROR Alarm is activated when measurement is impossible No function the alarm is always dea
54. ar 48 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 7 Advanced Measuring Functions 1 5 5 Measuring with Reckoning Channels Select the program branch MEASURING par gt MEA lt opt si Confirm by pressing ENTER Measuring Activate the desired measuring channels Reckoning CHANN A B gt Y lt 7 channel can be activated and deactivated in the same way as physical channels see section 5 3 MEASUR V V V Confirm by pressing ENTER If you didn t activate any physical channel US300FM immediately returns to the main menu If you didn t activate a certain physical channel al WARNING CHANNEL though you had selected it as input channel of an acti B INACTIVE vated reckoning channel this warning appears Proceed to positioning of the transducers for all activated physical channels then start measurement When a reckoning channel has been activated Y Volume Flow US300FM automatically switches to HumanMux mode at the beginning of the measurement see section 6 2 53 41 m3 h and displays the values of the reckoning channel If you switch to AutoMux mode the measured values of the different physical channels and not of the reckoning channels will be displayed alternately DISP A gt To display the reckoning function press on key 9 NEXT 53 41 m3 h Press on key 7 to display the measuring results of the different channels 7 6 Protection against Interruption The special function SET PROGRAM CODE
55. are for the activation of the different output options process outputs data logger output to a PC etc 6 2 Toggling between the Channels US300FM undertakes measurements on all activated measuring channels in a guasi parallel manner The multiplexer switches every second between the activated channels to measure the flow The SIGNAL LED of an activated channel flashes as the measurement takes place All process outputs as well as the serial interface continuously get the measuring results of the assigned channels US300FM can display the measured values of the different channels in two different modes AutoMux and HumanMux You can toggle between the AutoMux and HumanMux modes with key 1 J 6 2 1 AutoMux Mode In AutoMux mode the display is synchronized with that channel where the measurement is actually taking place This channel is displayed on the upper left corner of the display A B A Volume Flow B Flow Velocity m3 h 1 25 m s For this channel US300FM displays the measured values as configurated in the OUTPUT OPTIONS program branch see section 6 1 6 2 2 HumanMux Mode In HumanMux mode US300FM displays the measured values for one measuring channel only Meas urement still takes place on all other activated channels without display of the results US300FM shows the selected measuring channel on B Flow Velocity the upper left corner of the display A B 1 25 m s NEXT Pre
56. ay see sec DISP Press keys 9 tion 6 3 and Current transducer distance L DISP Curr Irans DISt Distance entered during the last positioning of the L ZO mm transducers The sound velocity is calculated using this value Better distance L Better distance Transducer distance derived from the measured sound L 292 mm velocity This allows you to detect wrong positioning Still do not change the transducer distance at this point DISP j DISP 9 bedi US mE The signal transit time in the medium can be displayed 1488 1 m s on the upper line Signal transit time t Conclude the ongoing measurement by pressing ENTER The positioning of the transducers can be repeated now US300FM asks you if you want to search again for the Search again correct transducer distance no DIBOS Select NO if the sound velocity of the medium has been measured precisely wrong positioning of the transduc ers L L less than 1 mm Select YES if the wrong positioning was too large or if no signal was found A new measurement cycle will be started 86 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 13 Measuring the Sound Velocity of the Medium You may repeat the cycle as often as you like In most cases however one or two cycles are quite enough for measuring the sound velocity Select YES to store the measured sound velocity as the Store data sound velocity of the medium in t
57. ball part into the bigger opening of the fastening clip Press the chain bridge through the free slot in order to move the last ball inside the fastening clip Reverse the sequence of these operations to separate the extension again 5 5 2 4 Chain Repair Set The fastening clips of the chain repair set are for connecting repairing broken chain elements or mak ing the chain longer The clasps of the repair set are for the coupling of the spring with the chain if the integrated anchor is missing 36 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 5 Basic Measurement 5 5 3 Positioning of the Transducers Transd Distance A 54 mm s lt LILILILILILI Ball gt Lje 54 mm When the transducers are mounted confirm the trans ducer distance by pressing ENTER The positioning procedure of the transducers is started A bar graph S informs you of the amplitude of the received signal Adjust the transducers by moving them slightly in order to obtain a maximal length of the bar graph Press key 3 to switch on the lower line between the display of the transducer distance and the bar graph of the quality of the signal Q S lt LILILILILILI O lt LILILILILILILILILI DISP Press key 9 to scroll on the upper line between the display of the bar graph of the signal amplitude S the bar graph of the quality of the signal Q and the display of the transit time 1aufz in microseconds lau
58. be cleared Menu selections Interrupts the measurement and calls the main menu Be careful not to interrupt an ongoing measurement by inadvertently pressing BRK The Attention special function SET PROGRAM CODE gives you a protection against unwanted interrup tion See section 17 6 IM 01G05B03 01E st Edition Nov 5 2001 XX 23 4 Getting Started Selecting the menu entry at the left or at the right of the currenily highlighted one Scrolling upwards or downwards through the menus Selection of the position of the character to be input Changes the currently selected character to an A Changes the currently selected character to a Z Changes between small and capital letters Moving to the next ASCII character Moving to the previous ASCII character Deleting the character currently shown and inserts a blank space To automatically scroll upwards through the selected restricted ASCII character set The character changes every second The scrolling can be interrupted by pressing any other key To automatically scroll downwards through the selected restricted ASCII character set The character changes every second The scrolling can be interrupted by pressing any other key Finishes editing 24 IM 01G05B03 01E st Edition Nov 5 2001 XX 4 Getting Started 4 2 The Menus 4 2 1 The Main Menu After switching on and initialization the main menu ap gt PAR lt mea opt sf pears o
59. cal Yokogawa sales office Are the transducer used appropriate for your application Is the temperature maybe too high higher than 130 C for transducers for medium temperatures for example 15 4 Measuring Data Substantially Differ from the Expected Values Is the sound velocity entered for the medium correct A wrong value of the sound velocity could lead you to identify the ultrasonic signal that was reflected on the pipe wall as the measuring signal The measured flow rate would then always be very small or fluctuate around zero Is the defined upper limit for the flow velocity maybe too low The measured flow velocities that are greater than the defined upper limit are ignored and marked as outlier All quantities derived from the flow velocity are equally ignored If most measured values are higher than the upper limit the totalized values the volume flow rate for example will be too small See section 7 3 Is the defined cut off flow maybe too high All flow velocities below the cut off are set to zero All quantities derived from the flow velocity are equally ignored If most measured flow velocities are below the cut off flow velocity US300FM will display a flow rate of zero most of the time and the totalized values will always be too small See section 7 4 Is the flow velocity below the measuring range limit of 0 01 m s see specifications in Appendix A If the measured values are still wrong after these controls contact you
60. cers The medium flows in direction of the arrow if the display shows a positive flow reading example 54 5 m h The medium flows against the arrow direction if the display shows a negative flow reading example 54 5 m h 38 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 6 Displaying the Measured Values 6 Displaying the Measured Values The physical quantity to be measured and used for storage and output can be set in the OUTPUT OP TIONS program branch as described in section 6 1 Default display setting is that the designation of the quantity of measurement selected in the OUTPUT OPTIONS is displayed on the first line and its value on the second line It is possible to temporary adapt the display to your requirements by select ing which quantity should be shown on the first and second line of the display see section 6 3 It is possible to have the measured values of only one selected channel displayed or to switch be tween the activated channels every second see section 6 2 6 1 Selection of the Physical Quantity and of the Unit of Measurement US300FM can measure the following quantities e volume flow rate e mass flow rate e flow velocity e sound velocity of the medium US300FM measures the flow velocity in the pipe directly The volume flow is calculated by multiplying the flow velocity with the cross sectional area of the pipe the mass flow by multiplying the volume flow with the density of the medium For the meas
61. cess Outputs 14 1 2 Output Value in Case of Error In the further dialogue you can select that value which US300FM shall output in case the assigned source item cannot be measured or located For example US300FM might not be capable to measure the flow during a certain period of time because of the presence of gas bubbles in the medium It will then output the defined error value Following decisions have to be made e Which value error value shall be recorded and transmitted to the output during this time interval e Should this error value be transmitted as soon as no measured values are available or should the last measured value be transmitted during a certain delay before the error value is transmitted Error value option Result Minimum Output of the lowest possible value lower limit of the output range Hold last value Output of the last measured value Maximum Output of the highest possible value upper limit of the output range Other value Output of a value to be defined within the physical limits of the output Example The flow volume was selected as source item for the current output the current output s range was set to 4 20 mA the error value delay ty to a value greater as zero Measurement of the flow volume is impossi sin A ble during the time interval to to ty Vias 22 What signal should be output during this time interval Error wadge f Minimum 4 0mA Error v
62. coetrses WU Format VSB ALA oLteam CoSLbss 00 Format VSER lt ARLA Con enu ava gO USER AREA 89 used Format NOW no gt YBS lt FORMATTING LILILICICICILI 10 Libraries In the SPECIAL FUNCTIONS SYSTEM SETTINGS LIBRARIES program branch select the entry FOR MAT USER AREA Confirm by pressing ENTER In the following a message will be displayed if the se lected number of data sets for a certain type of data would overflow the capacity of the user area Enter the wanted number of user materials Enter the wanted number of user materials Enter O here The definition of heat flow coefficients is not possible on this instrument at the moment Enter O here The definition of steam coefficients is not possible on this instrument at the moment Enter 0 here The definition of concentration coefficients is not possible on this instrument at the moment US300FM displays for a few seconds the occupancy of the user area for the selected partition 89 corresponds to the given example 6 data sets for material and 6 for media O for heat coefficients O for steam coefficients O for concentration coefficients US300FM asks for confirmation of the selected partition Select YES to proceed to partitioning US300FM formats the user area according to your in puts This procedure takes a few seconds IM 01G05B03 01E 1st Edition Nov 5 2001 XX 10 Libraries Once the formatting is finished US300FM
63. ct DELETE and confirm by pressing ENTER edit gt DELE LES 68 IM 01G05B03 01E 1st Edition Nov 5 2001 XX USER MATERIAL 01 POLYSTYRENE Really Delete gt NO lt yes IM 01G05B03 01E 1st Edition Nov 5 2001 XX 10 Libraries Select the user material or medium to be deleted and confirm by pressing ENTER US300FM asks for confirmation Select YES or NO and press ENTER 69 70 10 Libraries IM 01G05B03 01E 1st Edition Nov 5 2001 XX 11 System Settings 11 System Settings 11 1 Setting the Internal Clock US300FM features a battery buffered clock During measurement the data are automatically stamped with date and time 11 1 1 Setting the Time Select SPECIAL FUNCTION SYSTEM SETTINGS SYSTEM settingst SET CLOCK oer CLOCK Confirm by pressing ENTER The actual time is displayed Select OK to confirm or NEW to set the time Confirm by pressing ENTER Use key 4 or 6 P2 to select the digit to be edited Ps ZETOR JU a N 8 2 to edit the selected digit o Use key Confirm by pressing ENTER The next display shows the newly set time Select OK to confirm or NEW to set the time again Confirm by pressing ENTER 11 1 2 Setting the Date After the time has been set the DATE display will ap DATE 21 2 901 BOOT pear Select OK to confirm or NEW to set the date ok gt NEW lt Confirm by pressing ENTER Use key lt 4 or 6 S to select
64. cted on which channel The factory number F No of the in US300FM 00000999 strument is then displayed for a second or two Note No data can be entered while the factory number is displayed After initialization the main menu in the actually se gt PAR lt mea opt sf lected language version appears Parameter US300FM can be operated in the language of your choice Please refer to section 4 4 4 1 The Keyboard The US300FM s operator interface consists of a keyboard and a two line display 16 digits per line The keyboard features three function keys and 12 keys for numerical data input gus TENE Several keys have double functions They can be used 7 8 9 for INPUT as well as for SELECTION zt c bt In SELECTION mode for example the arrow shaped N Baud numerical keys operate as cursor keys 1 2 3 In INPUT mode they can be used for the input of num bers and characters ON C ENTER L RESET 4 1 1 Key Operations General functions owitches the background lighting ON OFF BRK C ENTER RESET Press these keys simultaneously to recover from an error This has the same effect as restarting the unit Data will not be affected AO RESET ____ INIT coldstart Pressing these keys simultaneously will initialize US300FM Most C parameters and settings are reset to the factory default values The memory will not BRK NIT Co
65. ctivated QUANTITY Alarm is activated when the totalizing function is selected and the totalizer reaches or exceeds the programmed limit in the flow direction determined by the sign 96 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 14 Process Outputs TYP NON HOLD Alarm returns to idle state after approx 1 second if the switch ing condition is not true any more alarm s holding be SUE HOLD Alarm stays activated even if the switching condition is not true any more During measurement this key will switch all alarms to their idle state If the switching condition is still met however the alarms will switch back into their activated state after 1 second MODE NO Cont Alarm is energized when the switching condition is true the state wien alarm is de energized when idle NO normally open io NC Cont Alarm is de energized when the switching condition is true energized when idle NC normally closed pek ATTENTION This key will bring you back to the main menu All alarms are switched to their de energized state inde pendently of their programmed state 14 6 2 Setting the Limit Values For the functions MAX and MIN If you have selected the switching condition MAX or MIN under FUNC you can input the desired limit values for the alarm outputs as follows Select in the INPUT scroll list which physical quantity Rl Input should be used for comparison Available options are Volum
66. d by and with reduced power consumption US300FM will wait for the defined START time and then start the measurement automatically storage and output of measured values US300FM can also automatically stop the measurement The time programmable measurement al lows you to record process data at a high storage rate at the needed time instead of having to meas ure the whole time at a low storage rate in order to have enough storage capacity left when needed 12 1 Enabling and Disabling The time programmable measuring mode can be enabled and disabled in the program branch SPE CIAL FUNCTION SYSTEM SETTINGS Time progr Meas off gt ON lt DIALOGS MENUS and is cold start resistant Select the TIME PROGR MEAS option Select ON to enable the time programmable measuring mode oFF to disable it Confirm by pressing ENTER 12 2 Input of the Start Time The operations for the time programmable measuring mode are only possible if in the pro gram branch OUTPUT OPTIONS e the storage of measured values or e one of the available outputs serial current binary was activated Once time programmable measurement is branch MEASURING Time progr Meas gt NO lt yes START Set Time START INVALID TIME enabled following display will appear in the program Select YES to program the time for the measurement Confirm by pressing ENTER Select the digits you want to edit using the horizontal d EM
67. d for all these channels the measurement will be automatically activated IM 01G05B03 01E 1st Edition Nov 5 2001 XX 37 5 Basic Measurement You can press ENTER to return to the bar graph dis A Volume Flow play 54 5 m3 h US300FM undertakes measurements on all activated measuring channels in a quasi parallel manner The multiplexer switches every second between the activated channels to measure the flow The SIGNAL LED of an activated channel flashes as the measurement takes place All process outputs as well as the serial interface continuously get the measuring results of the assigned channel The results are displayed according to the actually selected output options see chapter 6 1 Default setting is the display of volume flow rate in m h Chapter 6 idescribes the selection of the values to be displayed and the setting of the output options Advanced measuring functions are described in chapter 5 7 Stopping the Measurement You can stop the measurement on all activated measuring channels at any time by pressing BRK Be careful not to interrupt an ongoing measurement by inadvertently pressing BRK The Attention special function SET PROGRAM CODE gives you a protection against unwanted interrup tion See section 7 6 5 8 Recognition of Flow Direction The direction of flow in the pipe can be recognized with the help of the displayed Volume Flow in conjunction with the arrow formed by the engravings on the transdu
68. d selection list They cannot be deleted 10 1 5 Adding all Materials Media to the Current List Select ADD ALI and press ENTER to add all materi Material list f als media of the internal data bank to the current selec Add all tion list 10 2 Defining New Materials and Media It is possible to add self defined materials or media user materials or user media to the internal data bank These entries are stored in the coefficient storage user area PARAMETER The storage of user defined materials and media is cold start resistant and remains ac tive even if the unit has been switched off The basic properties of a medium are its maximal and minimal sound velocities its viscosity and its density The basic properties of a material are its transversal and longitudinal sound velocities and its typical roughness 10 2 1 Partitioning the User Area The capacity of the user area can be parted as you like among the following data set types e Basic data of a material sound velocity typical roughness e Basic data of a medium sound velocity viscosity density The maximal number of data sets for each of these categories are given in the following table rx Maximum number of data sets Corresponding occupancy of the user area in IM 01G05B03 01E 1st Edition Nov 5 2001 XX 65 66 Libraries f Format USER AREA Format US EREE RELA Materials z e Format USER AREA Media 06 Format USERFAREA HSabo
69. de is activated the output options are defined and the start and stop time are set e Start measurement in the usual way The instantaneous measuring values are displayed and stored and or transmitted depending on the selected output options e Activate all settings needed for the programmed measurement totalizers etc e Press ENTER to start the countdown The current measurement will be interrupted and the countdown started Note The countdown can be stopped at any time by pressing key BRK The memory requirements for the operational activities to come can now be calculated If a stop time or a measurement duration has been defined and the storage of measured values is activated US300FM checks if the free memory capacity is sufficient to store the measured values for the dura tion of measurement If it is not the following display will appear In our example the free memory capacity only covers WARNING MAX 85 85 of the expected measured values Store Meas Data Press key 9 and 3 to have the time at which the DISP memory is expected to be full displayed on the upper FULL 30 04 07 39 otore Meas Data line of the display If storing is the only output option activated the measurement will be stopped when the memory is full even if the stop time is not reached If another output option is also activated US300FM will continue the measurement until the defined stop time is reached even if the memory is full
70. dings caused by high flow dynamics require a larger damping factor Select the OUTPUT OPTIONS program branch of the channel for which you want to set the damping factor Confirm this by pressing ENTER Work yourself through the scroll list confirming the already selected options by pressing ENTER until you reach the DAMPING option Enter the necessary damping factor Values between 1 Damping and 100 s are accepted 30 S Confirm by pressing ENTER You can now return to the main menu by pressing BRK 7 2 Flow Totalizers US300FM has two built in flow totalizers one for totalizing in positive flow direction the other for total izing in negative flow direction e US300FM totalizes the volume or the mass of medium passing through the pipe at the measuring point e he unit of measurement used for totalization corresponds to the volume or mass unit used in the quantity of measurement see section 6 1 e Every numerical value of the totalizer consists of up to 11 characters with a maximum of 3 figures to the right of the decimal point The two built in flow totalizers can be activated simulta A Volume Flow neously in the VOLUME FLOW or MASS FLOW display during measurement 54 5 m3 h 9 To activate the flow totalizers Press key To have the totalizer for positive flow direc tion displayed Press key 9 To have the totalizer for negative flow direc tion displayed To reset the two flow totalizers to zero Pre
71. e US300FM KL2 Upstream transducer signal SISISISISISISISISIS for channel A 2288229825 ee riage 101 0 a M SRESSEPPIS Downstream transducer signal for channel A Upstream transducer signal Ed est for channel B M TERMINAL s X Downstream transducer brown _ signal for channel A a a d dul os 2 a Sensor ROM for channel A SENSPROM a o SE za wi 2 m S z a3 connected when shipped CAB2552 919 AC POWER 2 SUPPLY aa Ki Sensor ROM for channel B 9 5 pc POWER Lav Es 5 SUPPLY connected when shipped SE Current output Current output or Fre quency output depend ing on the specification Binary pulse or alarm out puts depending on the specification Same as above Earth Neutral AC power supply 100 to 240VAC Earth DC DC 24VDC 116 IM 01G05B03 01E 1st Edition Nov 5 2001 XX Reference B Reference The content of the tables has been compiled to help the user The accuracy of the given data depends on the composition the temperature and the manufacturing process of the respective material Yoko gawa does not accept liability for possible inaccuracies Table 1 Sound velocity of some current pipe and lin ing material at
72. e Flow e the volume flow e the signal amplitude e the sound velocity for the medium Confirm by pressing ENTER US300FM will then ask for the value of the limit The sign is taken into consideration High Limit Example 0 00 m h High limit 10 0 m h The limit will be exceeded by a measured value of 9 9 m h or 2 5 m h The alarm Comparison won t switch if for instance the measured measured valje irit value amounts to 11 0 The alarm output switches when the measured value exceeds the programmed limit IM 01G05B03 01E 1st Edition Nov 5 2001 XX 97 14 Process Outputs Low Lamit 0 00 m h Comparison measured value limit The alarm output switches when the measured value falls below the programmed limit The sign is taken into consideration Example Low limit 10 0 m h The limit will be exceeded by a measured value of 11 0 m h or 22 5 m h The alarm won t switch if for instance the measured value amounts to 9 9 m h You can additionally enter a hysteresis for R1 symmet Rl Hysteresis rically around the limit 100 m s For the function QUANTITY QUANTITY Quantity Limit 0 00 m3 Comparison totalizer value gt limit The alarm output switches when the totalizer reaches the pro grammed limit US300FM has a totalizer for each flow direc tion positive and negative If you enter a positive limit the comparison will be made with the
73. e it no DIXBOS Confirm by pressing ENTER This setting is coldstart resistant The measuring point parameters saved in ParaPool are not affected by the disabling of the ParaPool function They will be ready for access as soon as the ParaPool function is enabled again When the ParaPool function is enabled this display will always appear after selection of the PARAMETER pro Measur Params gram branch of a measuring channel load from Nr 03 E If you only wish to edit the current parameters of the selected channel enter 0 zero or press key The loading of short records is described in section 9 21 9 2 Loading and Editing Short Records The parameters saved in short records must be loaded before they can be edited and used for meas urement Select the program branch PARAMETER and press gt PAR lt mea opt sf ENTER Parameter Select the channel on which you want to load a short record then press ENTER Parameter ali for Channel IM 01G05B03 01E 1st Edition Nov 5 2001 XX 59 Measur Params load from Nr 03 03 INVALID DATA SACAIN coni In 01 ABC 41 edit gt MEASURE lt Save Meas Params as Nr 01 01 Overwrite gt NO lt ves Input name 01 9 Working with Parameter Records In the next display enter the ID number 1 to 80 of the short record to be loaded Confirm by pressing ENTER If this display appears the selected short record is empty or conta
74. e may contain other components according to your particular order Please make sure that the specifications of these components correspond to the specifications given on the purchase order If you have any problems or questions please contact your local Yokogawa sales office When con tacting Yokogawa always have the following information at hand model MODEL serial number No er factory number F No refer to 11 5 mu the number of the firmware version refer to section 11 5 3 2 Unpacking Unpack the transport case when it lies flat on its large bottom surface in order to avoid that the instru ment and its accessories fall out 3 3 General Precautions US300FM is a precision measuring instrument and it must be handled with care To obtain good measuring results and in order not to damage the instrument it is important that great attention is paid to the instructions given in this User s Manual and particularly to the following points e Protect the instrument from excessive shock e Do not open the housing without authorization The protective degree IP65 acc to DIN 40050 EN60529 of the flowmeter is given only if the front plate is screwed on the housing e Connect US300FM correctly to the power supply e sure to work under correct ambient conditions see Standard Specifications in Appendix A e Keep the transducers clean e Manipulate the transducer cables cautiously avoid excessive cable bend 3 4
75. e that no damage has occurred during transportation The model and the specifications of the instrument are shown on the name plate on the side of the in strument The model and the specifications of the transducers are shown on the top of transducers and on the serial number plate hanging on the cable Please make sure that the specifications of the instrument that was delivered correspond to the specifications given on the purchase order refer to Model and Suffix Code in Appendix A ULTRASONIC FLOWMETER US300FM 200 YOKOGAMA in Germany ET I No al ABCDEFGHIJKLMNOPC In the minimum requirement the following items of standard supply are in the package Flowmeter US300FM Ax x x 4 User s manual Instrument for permanent installation Connection Cable US300FC Gxxx Connection cable M U Y U IM 01G05B03 01E st Edition Nov 5 2001 XX 11 3 Installation Transducers US300FT x xx N x x Transducers with junction box He Fixing hardware one of the below or none ges Fixing bands 2 Strap of 10m 1 EE C of meu ype 2 Go Stap of 20m 1 Cips of large ype 2 strap of 20m 2 Cips of large ype 2 Note x means some numeral or character of Suffix Code xxx in US300FC shows the cable length 001 m 300 m tHt means an option number according to your particular order Your packag
76. e transducers and pipe wall Renew the film if necessary e Select a smaller number of transit paths The signal attenuation might be too high because of high fluid viscosity or deposits on the inner pipe wall e s the proportion of gas bubbles or solid particles in the flowing medium too high Particles scatter and absorb ultrasounds and therefore attenuate the signal Measurement is impossible if the pro portion of solid particles or gas bubbles is of 10 or more If the latter is less than 10 9o measure ments might be possible under certain conditions e Are there deposits on the inner pipe wall These deposits might attenuate too heavily the ultrasonic signal IM 01G05B03 01E st Edition Nov 5 2001 XX 107 15 Troubleshooting Is the pipe lined Lined pipes may cause measurement difficulties if the lining is not bonded cor rectly to the pipe wall or consists of a material which has bad acoustic characteristics Try measur ing on another section of the pipework or contact your local Yokogawa sales office What is the pipe on which you measure made of Measurements on porous pipe materials e g concrete or cast iron are only possible under certain conditions Contact your local Yokogawa sales office How big is the viscosity of the medium Media with high viscosity strongly attenuate the ultrasonic signals Measurements on media with viscosity values of more than 1000 mm2 s are only possible under certain conditions Contact your lo
77. el e FUNCT for the selection of the reckoning function e CH2 for the selection of the second input channel ze Select a configuration scroll list using keys 4 and N 6v y The options of the selected list are displayed on the on gt lt CHl lt funct ch2 second line Use the keys 8 and 2 to scroll Ea B ai through this list All physical channels of the flowmeter as well as their absolute value can be selected as input channel The following reckoning functions can be set CRhLSEUNCTSSDAY Difference CH1 CH2 A 2 Sum Y CH1 CH2 7523 Y CH2 2 Confirm the reckoning function with ENTER In the program branch PARAMETER select a reckoning Parameter f channel and confirm by pressing ENTER For Channel ba 7 5 4 Output Options for a Reckoning Channel Select and confirm a reckoning channel in program Output Options t branch OUTPUT OPTIONS for Channel IM 01G05B03 01E 1st Edition Nov 5 2001 XX 47 7 Advanced Measuring Functions Select the physical guantity to be measured Confirm by pressing ENTER Plivs le Quam Mass Flow Make sure that the guantity of measurement that you select for the reckoning channel can be calcu lated out of the guantities of measurement of the two input channels selected for the reckoning func tion The following table shows which combinations are possible Physical guantity of the Possible physical guantity of t
78. en to the parameters of pipe and medium are limited by the characteristics of trans mitter and transducers US300FM will warn you the en 1100 0 MAXIMUM tered values do not respect these limits MINIMUM and MAXIMUM plausibility check Outer Diameter Example In this example the entered outer diameter was too big so that US300FM displays the maximal value for this parameter 1100 0 mm in the case of transducers for medium sized pipes and a pipe with a wall thickness of 50 mm 5 1 Input of the Parameters of the Pipe Connect US300FM to the power supply if not already done In the main menu select the program branch PARAME gt PAR lt mea opt sf TER and press ENTER Parameter Select the channel for which you want to set the pa Parameter f rameters 1 and press ENTER for Channel A If the display PARAMETER FROM appears at this point at least a parameter record has been stored and can be recalled now A parameter record is a set of all the data required to perform a certain measuring task the pipe parameters medium parameters and output options You can create a pa rameter record for each of your measuring tasks For more information on this subject see chapter 9 5 1 1 Pipe Outer Diameter Circumference Enter the outer diameter of the pipe Outer Diameter Confirm your entry or the displayed value by pressing 100 0 mm ENTER If the entered outer diameter is bigger than 4000 mm measuring in reflection
79. er Material 10 1 2 Adding a Material Medium to the Current List To add a material medium to the current selection list Material list select ADD MATERIAL Or ADD MEDIUM gt Add Material Confirm by pressing ENTER US300FM displays as a scroll list on the second line all gt Add Material f materials media which are not in the current selection Carbon Steel Ist Select the material medium to be added and press ENTER The material medium is added to the selection list 10 1 3 Deleting a Material Medium from the Current List To remove a material or a medium from the selection Material list list select REMOVE MATERIAL REMOVE MEDIUM gt Remove Material Confirm by pressing ENTER 64 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 10 Libraries US300FM displays as a scroll list on the second line all gt Remove Materia materials media of the current selection list Rubber Select the material medium to be removed and press ENTER The material medium is deleted from the selection list Note User materials media are always part of the current user defined selection list They cannot be deleted 10 1 4 Deleting all Materials Media from the Current List Select REMOVE ALL and press ENTER to remove all Material list materials media from the current selection list User ma gt Remove all terials and media will not be removed Note User materials media are always part of the current user define
80. fz 94 0 us O lt LILILILILILILILILI If the signal received by the channel is sufficient for measurements the SIGNAL LED will be lighted on green If not UNDEF will appear on the bar graph indicating the quality of the signal Q and the SIGNAL LED lighted on red In this case adjust the transducers by moving them slightly until the SIGNAL LED lights on green Attention It is important for the flow measurement that the signal maximum with the shortest transducer distance shortest transit time is used However this signal maximum should not deviate from the suggested distance by more than 0 5 cm In case of bigger devia tions check if the entered parameter inputs are correct or repeat measurement at a dif ferent location on the pipe Renew the film of acoustic coupling compound if necessary After the precise positioning of the transducers the suggested transducer distance is displayed again here 21 7 mm Enter the current precise transducer distance and press ENTER or just confirm the displayed value by pressing ENTER It is possible to have US300FM remind you of the last Trand Distance 21 mm The precise transducer distance is essential for an ex act measurement of the sound velocity of the medium see chapter 113 5 6 Starting the Measurement Repeat steps described in sections 5 4rand 5 5 for all channels on which you want to measure When the precise transducer distance has been entere
81. ges O gt o are opposite to each other The engravings the top z q C E transducers should form an arrow as illustrated o beside In order to obtain maximal acoustic contact between the pipe and the transducers pay attention to the following points e Rust or other deposits absorb the sound signals Clean the pipe at the emplacement where you plan to mount the transducers Remove rust or loose paint Grind off any thick layer of paint e Always apply a bead of acoustic coupling compound lengthwise down the center of the contact surface of the transducers e There should be no air or air pockets between transducer surface and pipe wall Make sure that the mounting fixture applies the necessary pressure on the transducers 5 5 2 1 Mounting with Tension Straps 60 pal 1 0 mm10 20 30 0 50 60 70 80 90 10 110 120 gt gt 320 330 not indie DRE NN bd aaa uhan ohladi 0000000000000 NU 0 U g g 0 o C 0 o g JI AY e Cut the tension straps to the appropriate length circumference 70 mm for larger diameters cir cumference 120 mm e Pull 2 cm of the tension strap through the slot of the clasp and bend it back to fasten the clasp e Guide the other end of the tension strap through t
82. h back as soon as a valid measured value is obtained SIGNAL LED lights green If there is an internal adaptation to changing measuring conditions e g to a considerable rise of the medium temperature the alarm will not switch 14 6 8 Alarms State It is possible to have the state of the alarms displayed during measurement This function can be acti vated in program branch SPECIAL FUNCTION SYSTEM SETTINGS DIALOGS MENUS This setting is coldstart resistant Select the SHOW RELAIS STAT option Select ON to SHOW RELAIS STAT activate the display of the alarms state During measurement press key 9 to scroll on the first line of the display until you reach the alarm s state display gt ON lt The alarm s state is displayed in the following form RX where represents pictogram R1 k for example Pictograms of the alarm s state display no function no CLOSED 1 normally open NC normally closed QUANTITY 100 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 14 Process Outputs 14 7 Deactivating an Alarm Output If you no longer require a programmed alarm output it can be deactivated The current settings of the output high limit low limit etc are stored and w
83. hannel for which you want to activate the serial interface Work yourself through the scroll list confirming the al ready selected options by pressing ENTER until you reach the SERIAL OUTPUT option Select YES to activate the online output of the meas Serial Output ured data via the serial interface Confirm by pressing no gt YE S lt feed US300FM transfers the measured data via serial interface with the protocol structure described in sec tion 8 4 for the storage of measured data An acoustic signal is emitted every time a measured value is transmitted IM 01G05B03 01E 1st Edition Nov 5 2001 XX 53 8 Storage and Output of Measured Values 8 4 Format of the Serial Output The main measuring parameters are transmitted at the beginning of measurement then the line DATA followed by a line describing the contents of the columns of the table to come The actual measured values are transmitted afterwards One data line is transmitted per storage interval the storage rate can be set individually for each channel and per activated measuring channel The dummy line will be transmitted in case no measured values are available for that storage interval Example With a storage rate of 1 s 10 dummy lines will be transmitted when the measurement is restarted after an interruption of 10 seconds for positioning the transducers US300FM can transmit the columns given in table below Em ope E Re Eme Column 000000
84. he factory default values The memory will not be cleared If the problem still occurs contact your local Yokogawa sales office 15 3 No signal can be detected a Signal Loss Problem A question mark appears on the lower display line at the right of the last measured value The SIG NAL LED is red Check e Wait a little while until the acoustic contact is established again Temporarily there might be a higher proportion of gaseous or solid particles in the flowing medium e Make sure there is a film of acoustic coupling compound between the transducers and pipe wall Renew the film if necessary Position the transducers again Adjust transducers for maximum acoustic contact e Measure with a smaller number of transit paths The signal attenuation might be too high because of high fluid viscosity or deposits on the inner pipe wall e Select a more suitable measuring point along the pipe work see section 8 5 2 b No Signal Problem No value appears on the display A question mark is displayed on the lower line The signal LED is red Check e Were the parameters of the pipe and of the medium entered correctly and completely You should especially control if the entered sound velocity is correct e Are the transducers positioned correctly calculated distance 3 mm see section 5 5 1 e 5 the surface of the pipe clean free of paint rust etc Make sure there is a film of acoustic cou pling compound between th
85. he first Possible physical guantity of the reckoning channel input channel CH1 second input channel CH2 Flow Ve Volume Mass Flow Flow Ve Volume Mass Flow RE Ur Flow Flow Velocity Volume Flow er oo Mass Flow X X X X Example You wish to determine the difference of the volume flow rates of the channels A and B The physical quantity of measurement of channel A can be the volume flow or the mass flow but not the flow velocity The physical quantity of measurement of channel B can also be the volume flow or the mass flow The quantities of measurement of the two input channel do not have to be identical channel A mass flow channel B volume flow Select the measuring units Confirm by pressing EN TER Two cut off values can be defined for each reckoning kto 1 pis channel The cut off value is defined in the unit selected for the guantity of measurement of the reckoning chan OO kg h nel CUT OFF FLOW All positive reckoning values falling below this threshold will be set to di soli low Zero a 016 kg h CUT OFF FLOW All negative reckoning values rising above this threshold will be set to zero If you wish you can now activate the storage of the Store Meas Data measuring data of the reckoning channel Confirm your selection with ENTER gt NO lt yes Note The values of a reckoning channel cannot be attenuated Therefore the dialogue for set ting the damping does not appe
86. he flowmeter is given only if the front plate is screwed on the housing 2 x 16 digit LCD display backlit 3 U US300FM YOKOGAWA NEXT DISP a ara RS 232 4 Q HE v ULTRASONIC FLOWMETER N 4 Ja gt A 6 De interface 11213 Bore V DISP 0 BRK C ENTER Eee Ss L Terminals for transducer Function keys _ Output terminals Terminals for connection see section 4 1 power supply connection 2 4 2 The Transducers There is a different engraving on the top of each transducer The transducers are mounted correctly if the engravings on the two transducers are forming an arrow together The transducer cables should then show in opposite directions Later the arrow in conjunction with the indicated measured value will help you to determine the direc tion of flow E TT gt gt E NN M SO Attention The engravings should also form an arrow if the two transducers are mounted on oppo site sides of the pipe wall IM 01G05B03 01E 1st Edition Nov 5 2001 XX 9 10 2 The Flowmeter IM 01G05B03 01E 1st Edition Nov 5 2001 XX 3 Installation 3 Installation 3 1 Scope of Delivery This instrument has already been tested thoroughly at the factory When the instrument is delivered please proceed to a visual control to make sur
87. he groove on the top of the transducer e Apply some acoustic coupling compound to the contact surface of the transducer Place the trans ducer on the pipe e Holding the clasp and the transducer with one hand lay the free end of the tension strap around the pipe and guide it through the clasp When mounting the transducers on a vertical pipe and US300FM is mounted lower than the pipe it is recommended to slip the cable of the upper trans ducer under the tension strap in order to free it from mechanical strain e Pull the strap firmly Engage the tension strap in the two inner hooks of the clasp Slightly tighten the screw of the clasp e Mount the second transducer in the same way e Press the transducers firmly on the pipe There should be no air or air pockets between transducer surface and pipe wall Using a ruler adjust the transducer distance to the distance suggested by US300FM e Tighten the screws of the clasps IM 01G05B03 01E 1st Edition Nov 5 2001 XX 35 5 Basic Measurement 5 5 2 2 Mounting with Fixtures and Chains p lt S IK Pt OY C Ax A VA A I Jl d N N MO OV INAI Ji 4 JN J M LA A uf Ko S CS No 2 14 O 7 i T d NEM T fa e i v U A nna C NO 4 60 410770 mmo 20 30 0 50 60470 80 90 1 110 1205 b320 330 IK hud uad a aaa kak skuhan
88. he liquid and is used for the calcula tion of the profile correction factor In most cases the pipe roughness cannot be exactly determined ROUGHNESS requests the input of a value for the selected pipe or nie material Change the suggested value according to the condition Roughness of the inner pipe wall O4 Confirm by pressing ENTER Note Only roughness values between 0 and 5 mm are allowed 5 2 Input of the Parameters of the Medium After you have finished entering the pipe parameters US300FM asks for the medium parameters The medium parameters required for measurement are e the minimum and maximum sound velocity for the medium e the kinematic viscosity of the medium e the density of the medium only if the output option MASS FLOW is activated e the UPS of the medium SIE used Select the medium 11 or the entry OTHER MEDIUM if Medium 1 the medium you want to measure is not listed Water Confirm by pressing ENTER It is possible to select which media are to be displayed in the medium selection list See section 10 1 the minimal and maximal Sound velocity the kinematic viscosity and the density of the medium IM 01G05B03 01E st Edition Nov 5 2001 XX 31 5 Basic Measurement 5 2 1 Sound Velocity US300FM uses the sound velocity of the medium for the calculation of the distance between the transducers at the beginning of the measurement As the sound velocity depends on the composition and the tempe
89. he parameter record NO gt YES lt The measured sound velocity can be edited before it is c Medium is stored in the parameter record 149941 m s Confirm by pressing ENTER The name of the medium in the parameter record is changed to Other Medium IM 01G05B03 01E 1st Edition Nov 5 2001 XX 87 88 13 Measuring the Sound Velocity of the Medium IM 01G05B03 01E 1st Edition Nov 5 2001 XX 14 Process Outputs 14 Process Outputs Your US300FM is equipped with different process outputs current output or binary output or fre guency output These outputs must be installed and activated before they can be used The installation of an output consists of three steps e Assigning a measuring channel source channel to the output e Defining the measured value the assigned channel should transmit to this output source item and the properties of the signal e Defining the behavior of the output in case no valid measured values are available Only after this procedure has been gone through will measured values be available at the outputs 14 1 Installation of a Process Output The installation of the system outputs takes place in the SPECIAL FUNCTION SYSTEM SETTINGS PROCESS OUTPUTS program branch In the SPECIAL FUNCTION SYSTEM SETTINGS SYSTEM settings program branch select the PROCESS OUTPUTS option Proc outputs Confirm by pressing ENTER Select the output you want to install The scroll list con Insta
90. he positioning of the transducers The correct position of the transducers will be influenced by the following factors e the diameter material lining wall thickness and form of the pipe e the medium flowing in the pipe e the presence of gas bubbles in the medium 3 5 2 1 Acoustic Propagation Acoustic propagation can be assumed when pipe and medium do not attenuate the sound so strongly that the signals get completely absorbed before reaching the second transducer How strong the sound attenuation is in a specific system depends on e the kinematic viscosity of the liquid e the proportion of gas bubbles and solid particles in the liquid e the presence of deposits on the inner pipe wall e the wall material Make sure that following conditions are respected at the measuring point e the pipe is always filled e no material deposits are building e no bubbles accumulate even bubble free liquids can form gas pockets at places where the liquid expands e g especially behind pumps and where the cross sectional area of the pipe extends considerably 3 5 2 2 Undisturbed Flow Profile Many flow elements elbows slide valves valves pumps T sections reducers diffusers etc distort the flow profile in their vicinity The axi symmetrical flow profile needed for correct measurement is no longer given A careful selection of the measuring point makes it possible to reduce the impact of dis turbance sources IM 01G05B03 01E s
91. he value must be Medium Temperat within the operating range of the transducer The de fault value is 20 C 20 C Confirm by pressing ENTER Note The range of possible medium temperature depends on the operating range of the se lected transducers 32 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 5 Basic Measurement 5 2 5 Transducer Type At the end of parameter input US300FM displays the type of transducer connected Transducer Confirm by pressing ENTER US300FM then asks for the length of additional trans Additional cable ducer cable used not the total length of the transducer cable Enter the additional cable length and confirm 65 0 m by pressing ENTER 5 3 Selection of the Measuring Channels In the main menu select the program branch MEAS par gt MEA lt opt sf URING then press ENTER Measuring In the first display of the program branch MEASURING CHANN A B Y Z activate the channels on which you want to measure and deactivate the others MEASUR JN means that the measuring channel is activated that the measuring channel is deactivated and e that the measuring channel cannot be activated you did not enter parameters for that channel e Use the keys S 4 and 6 od to select a measuring channel e Press key 8 to activate deactivate the selected channel A deactivated channel will be ignored during the measurement All parameters entered for this channel w
92. id stop US300FM 1 30 04 01 04 15 displays again the start and the stop time bs v 30 04 01 08 15 kd In our example US300FM starts tne measurement on 30 04 2001 at 04 15 will measure for 4 hours and automatically stop the measurement at 08 15 S Using key 9 Or 3 it is possible to switch between 30 04 01 04 15 the display of the stop time and the display of the dura v 04h 00m 00s tion of measurement 4 V on the lower display line Press any key except BRK to go to the next option of the MEASURING program branch 12 3 2 Entering the Duration If you have selected the option STOP DURATION in Duration 04h 00m the previous step enter the duration of the measure om ment in the same way as the start time The maximum oet GUPEStIOn measurement duration is of 999 hours and 59 minutes or about 41 days Confirm by pressing ENTER US300FM displays the start time and the stop A 30 04 00 04 15 time calculated using the entered duration V 30 04 00 08 15 Use keys 9 and 3 to switch between the display 30 04 01 04 15 of the stop time and the display of the duration of v 04h 00m 00s measurement on the lower display line Press any key except BRK to go to the next option of the MEASURING program branch IM 01G05B03 01E st Edition Nov 5 2001 XX 81 12 Time programmable Measurement 12 4 Measuring with the Time programmable Mode When the time programmable measuring mo
93. ies are in type writer characters PARAMETER Submenus are separated form the main menu entry by a backslash To get to the SPECIAL FUNCTION SYSTEM SETTINGS MEASURING menu for example e Select the SPECIAL FUNCTION program branch and confirm this selection by pressing ENTER ENT e Using the 8 and 2 Bv pressing ENTER Za keys select the SYSTEM SETTINGS option of the scroll list and confirm by As WW e Using the 8 and 2 keys select the MEASURING option of the scroll list and confirm by pressing Qore ENTER 4 2 3 Display Templates US300FM displays the result of keyboard entries program steps and shows measured values on four different display templates IM 01G05B03 01E 1st Edition Nov 5 2001 XX 25 4 Getting Started 1 Horizontal SELECTION MODE US300FM requests a horizontal selection The selected gt PAR lt mea opt sf menu is displayed in capital letters and between arrows Parameter Use keys 4 and 6 for scrolling 2 Vertical SELECTION MODE scroll menu US300FM starts the scroll menu at that display which you left last US300FM requests a vertical selection This is indicated Meas Quant 1 by the iod at the upper right of the display Qon N Volume Flow Use keys 8 and 2 for scrolling 3 INPUT MODE US300FM requests the INPUT of data The cursor flashes at the left of the input display line Use numeric keys the decimal point key or the sign i 0 0 mm key for entering data Outer Di
94. ill be available when the output is re activated Deactivate the outputs by selecting No in the display of Alarm Output the corresponding output in the program branch OUT PUT OPTIONS gt NO lt yes IM 01G05B03 01E st Edition Nov 5 2001 XX 101 14 Process Outputs 102 IM 01G05B03 01E st Edition Nov 5 2001 XX 15 Troubleshooting 15 Troubleshooting Select in the following list the situation corresponding the best to your problem and refer to the corre sponding section e Anerror message was displayed Consult section 15 1 e Measurement is impossible No signal is detected Consult section 15 3 e The measured values substantially differ from the expected values Consult section 15 4 e US300FM doesn t react anymore Consult section 15 2 If any trouble appears which cannot be solved with the help of this chapter please contact your local Yokogawa sales office giving a precise description of the problem When contacting Yokogawa al ways have the following information at hand the model MODEL of the instrument its serial numer No its factory number F No see section 11 5 and the number of the firmware version see section 11 5 15 1 Error Messages This section contains an overview of error messages you might encounter We describe their causes give possible reasons for their occurrence and also try to make suggestions as to how these problems can be overcome 15 1 1 Errors during Parameter Input
95. ill remain unchanged When all channels have been configurated confirm this by pressing ENTER A measuring channel cannot be activated if its parameters are not valid for example if the program branch PARAMETER for the respective measuring channel has not been worked through completely 5 4 Selection of the Sound Path Factor Enter the number of transit paths of the ultrasonic A Sound Path waves through the medium in the pipe 9 NUM Confirm by pressing ENTER A sound path factor of 0 zero is nonsense in terms of physics An odd number of transits diagonal mode requires mounting of the transducers on opposite sides of the pipe see illustration below IM 01G05B03 01E 1st Edition Nov 5 2001 XX 33 5 Basic Measurement An even number of transits reflection mode reguires mounting of the transducers on the same side of the pipe see illustration below An increased number of transit path means increased accuracy of the measurement However the in creased transit distance also leads to a higher attenuation of the signal in the flowing medium The re flections on the opposite pipe wall and eventual deposits on the inner pipe wall cause additional amplitude losses of the sound signal Working with strongly attenuating medium flowing in a pipe which is also strongly attenuating and where deposits can be found on the inner pipe wall it is possi ble that only one transit path is possible after two transit paths the amplit
96. in US300FM 00000999 strument are given on the first line FREE 1 932 7 The memory still available for data storage is given on the second line Here 18327 measured values can still be stored Press two times ENTER to return to the SPECIAL FUNCTION program branch IM 01G05B03 01E 1st Edition Nov 5 2001 XX 57 58 8 Storage and Output of Measured Values IM 01G05B03 01E 1st Edition Nov 5 2001 XX 9 Working with Parameter Records 9 Working with Parameter Records If the function ParaPool is installed 80 memory locations are available for saving the main measuring point parameters short record Each short record is identified by a 12 digit name The stored data can be recalled by entering the identification number of the short record in the program branch PA RAMETER Working with short records will make repeated measurement tasks easier and faster A short record contains the following data for a measuring point the name of the measuring point memory location the outer diameter of the pipe the wall thickness of the pipe the pipe material the lining material if existing the liner thickness if existing the inner roughness of the pipe the medium flowing in the pipe the approximate temperature of the medium 9 1 Enabling Disabling ParaPool Enter HotCode 007021 to enable the ParaPool display In the ENABLE PARAMPOOL display select YES to en Enable ParamPool able the ParaPool function NO to disabl
97. ins invalid data Select AGATN to repeat the input of an identification number Confirm by pressing ENTER Select EDIT if you wish to edit the loaded parameters or select MEASURE to start measurement immediately If you have selected EDIT edit the parameters now as described in sections 5 1 and 5 2 At the end of the edition of the loaded parameters US300FM asks you under which ID number the edited parameters must be stored Enter an ID number 1 to 80 Confirm by pressing ENTER If parameters are already saved in the selected short record US300FM asks if you want to overwrite them Select YES to overwrite the parameters or NO to enter another ID number Confirm by pressing ENTER Enter a name for the short record In the program branch SPECIAL FUNCTION SYSTEM SETTINGS DIALOGUES MENUS MEAS POINT NO you can choose if the name should be entered alphanumerically or as key sequence Confirm by pressing ENTER The parameters are saved under the selected ID num ber 9 3 Saving Parameters in a Short Record You can save the current parameters of a measuring channel in a short record or load and edit the parameters of an already existing record and save them afterward in a new short record gt PAR lt mea opt sf Parameter 60 Select the program branch PARAMETER and press EN TER IM 01G05B03 01E 1st Edition Nov 5 2001 XX Parameter 1 for Channel Pus Measur Params load from Nr 03 01 A
98. ion Ethanol Formaldehyde 3796 4296 1 1 1 Trichlorethane Cyclohexanol Acetaldehyde Ethyl acetate Diacetone alcohol Aliphatic hydrocarbons Diethyl ether Glycol Toluol N butyl acetate Isopropanol Xylol Amyl acetate Glycerine Diluent white spirit Butylcellosolve Methanol Ether Triacetin Dowandol DRM PM Acetone Formic acid 5096 Chlornatron 2096 Methyl ethyl ketone Acetic acid 5096 Hydrogen peroxide lt 25 Dioxan Phosphoric acid lt 30 Potash soft soap Cyclohexanone Hydrochloric acid lt 36 Detergent MIBK Nitric acid 1096 Tensides Isophorone Trichloroacetic acid 5096 Softener Sulphuric acid 1096 Iron chlorides FeCl2 Ammonia lt 40 Drilling emulsion Plane fuel Iron chlorides FeCls Natronlauge 4096 Diesel oil Gasoline Dibutyl Phthalat Potassium hydroxide 3096 Varnish Water Dioctyl Phthalat Alcalicarbonate Paraffin oil Salted water Sodium carbonate Bichromate Castor oil Potassium hexacyanoferrates Silicone oil Acetonitrile Turpentine oil substitute Sodium bisulfate Dccon Autotex is resistant acc to DIN 42 115 part 2 to acetic acid for a contact time of less than 1 hour without visible damage IM 01G05B03 01E 1st Edition Nov 5 2001 XX 119 Reference Table 5 Chemicals to which Autotex keypad is not resistant Autotex is not resistant to following chemicals Concentrated mineral acids Benzyl alcohol Concentrated alkaline solutions Methylene chloride High pressure steam over 100 C Table 6 Pr
99. ion and Update Alarms with switching condition MAX or MIN will be updated once per second at most in order to avoid humming a permanenily fluctuating measured value around the limit constanily triggering the alarm Alarms of type NON HOLD will switch in their activated state for about 1 second when the switching condition is met Alarms with switching condition QUANTITY will immediately switch in their activated state when the to talizer value reaches or exceeds the limit A Flow rate Alarms with switching condition gt gt sign change and type NON HOLD will switch in their activated state for about 1 second with any change of flow direction Relay type NON HOLDING d approx 1s IM 01G05B03 01E 1st Edition Nov 5 2001 XX 99 14 Process Outputs Alarms with switching condition gt sign Relay type HOLDING change and type HOLD will switch in their ac tivated state with the first change of flow direc tion and stay in this state y abi manual switching of They can be switched back by pressing the relay Alarms with switching condition ERROR will only switch in their activated state after several unsuccess ful measuring attempts SIGNAL LED lights red Therefore typical short term disturbances of the measurement as for example air bubble caused by pumps being switched on will not activate the alarm If the alarms are of type NON HOLD they will switc
100. irm by pressing ENTER If you press the key less than six times US300FM reads your entry as a new program code 50 01G05B03 01E 1st Edition Nov 5 2001 XX 8 Storage and Output of Measured Values 8 Storage and Output of Measured Values When measuring US300FM can store or transmit to a PC the following data Date Time Number of the measuring point Pipe parameters Medium parameters Transducer parameters Sound path reflection or diagonal Transducer distance Damping factor Storage rate Ouantity of measurement Unit of measurement Measured values The values of the activated process inputs and the totalizer values are also stored or transmitted automatically The measurement with the data logger function is described in section 8 1 the direct output of meas ured data to a PC online output in section 8 3 The stored measuring data can later be transmitted to a PC offline output This function is described in section 8 2 You will find information about the memory s capacity in section 8 8 US300FM can store a maximum of 100 measuring data sets The number of data sets that can be created depends on the total number of measured values stored in the precedent data sets When all stored measured values have been deleted and a new measurement is started with only one guantity of measurement on one channel and no totalization approx 27 000 measured values can be stored in the data set of that measurement
101. koning channel program branch PARAMETER differs from the parameterization of a physical channel Instead of entering the parameters of the measuring point pipe medium you have to decide which channels should be reckoned and how e The values of a reckoning channel cannot be attenuated You have to set up the required damping factor separately for each of the two implied measuring channels program branch OUTPUT OP TIONS e You can define two cut off values for each reckoning channel These cut off values are not based on the flow velocity as for physical channels but are defined in the unit of that quantity of meas urement which was selected for the respective reckoning channel program branch OUTPUT OP TIONS During measurement the reckoned values are compared with the set cut off values and set to zero if necessary 46 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 7 Advanced Measuring Functions e A reckoning channel provides a valid measured value if both of the input channels provide valid measured values 1 5 3 Parameterization of a Reckoning Channel In the program branch PARAMETER select a reckoning channel and confirm by pressing ENTER Parameter For Channel US300FM displays the actual reckoning function Press any key to edit the function d cy E L Three configuration scroll lists are displayed on the first gt CH1l lt funct ch21 line A B e CH1 for the selection of the first input chann
102. lect YES and confirm by pressing ENTER Bl OFF Again mo YES In the OUTPUT TEST scroll list select ON to test the en ergized state of the output Confirm by pressing ENTER A current should be flowing now Bl Output Test 1 Reed Relais ON Select YES to repeat the test NO to return to the SYS B1 ON TEM SETTINGS Again No gt YES lt Confirm by pressing ENTER 14 2 Defining the Error Value Delay The error value delay is the delay after which US300FM will transmit the error value to the output in case no valid measured values are available If you don t want to enter a specific value for the delay US300FM will use the damping value as error value delay If you want to give the error value delay a specific value activate the ERROR VAL DELAY as follows In the SPECIAL FUNCTION SYSTEM SETTINGS Error val delay program branch select the DIALOGS MENUS entry gt DAMRINGS GALE Confirm by pressing ENTER In the ERROR VAL DELAY display select DAMPING if you wish the damping factor to be used as error value delay default setting Select EDIT to activate the er ror value delay inguiry From now on US300FM will ask for the error value delay in the program branch OUTPUT OPTIONS This setting is coldstart resistant This display will appear in the program branch OUPUT hrroreval delav OPTIONS later ase Enter the error value delay Confirm by pressing ENTER 14 3 Circuits of Process Outputs
103. ll Output tains all the actually available process outputs A tick v after an item of the list means that this output has already been installed Confirm by pressing ENTER Current Il This display appears in case the mentioned output is 1 disable already installed gt NO lt Select No to edit the configuration of the output Select YES to disable the output US300FM then returns to the SYSTEM SETTINGS PROCESS OUTPUTS dis play This display appears in case the mentioned output has I1 enable not been installed yet no Select YES to install the output and proceed to configu ration Select NO to return to the SYSTEM SETTINGS A PROCESS OUTPUTS display Select in the scroll list the channel which you want to assign as source channel to the previously selected Source chan output Channel A Confirm by pressing ENTER IM 01G05B03 01E 1st Edition Nov 5 2001 XX 89 14 Process Outputs Select the measuring guantity the source channel 11 Source item should transmit to the output source item The avail able source items and their configuration option are de Flow scribed in the table below If you are configurating a binary output only the options LIMIT and IMPULSE are offered Configuration options for the process outputs Source item Available configuration Output options Flow DENN Output of the measuring quantity selected in pro gram branch OUTPUT OPTIONS Quantity Qt Outpu
104. low velocity The designations of the measuring quantities will be dis played in capital letters to indicate this If you select YES US300FM uses the uncorrected flow velocity only if the physical quantity FLOW VELOCITY is selected in the OUTPUT OPTIONS US300FM de termines all other physical quantities volume flow mass flow etc with the corrected flow velocity During measurement FLOW VELOCITY will be displayed in capital letters indicating that the displayed flow veloc ity is uncorrected Confirm by pressing ENTER If you select ABSOLUTE the user defined cut off flow rate will not depend on the sign identifying the direc tion of flow There is only one limit to be set The abso lute value of the measured value will be compared with the cut off flow If you select SIGN the user defined cut off value will depend on the sign identifying the direction of flow Two independent limits can be entered for positive and negative flow velocities see section 7 4 If you select FACTORY US300FM will use the factory default setting of 5 cm s for the cut off flow see sec tion 7 4 Select USER to define the cut off flow rate in absolute or sign dependent input format Confirm by pressing ENTER This display appears only if you have selected the USER CUT OFF FLOW Enter here the cut off flow for positive measured values Should the measured value fall below this threshold a flow velocity of 0 cm s will be used for further c
105. mode won t be possible see section 5 4 It is possible to change this menu in order to enter the pipe circumference instead of the diameter This diy is coldstart resistant and can be made in the program branch SPECIAL FUNCTION See IM 01G05B03 01E st Edition Nov 5 2001 XX 29 5 Basic Measurement 5 1 2 Wall Thickness Enter the pipe wall thickness The range of possible Wall Thickness values depends on the transducer specifications De fault value for this parameter is 3 0 mm SU mm Confirm by pressing ENTER Attention US300FM calculates the inner diameter outer diameter 2 x wall thickness and checks if this value is within the specified inner diameter range for the transducers used An error message is displayed if this is not the case 5 1 3 Pipe Material The pipe material now has to be entered in order to determine its sound velocity The sound velocities of the materials of the selection list are already programmed in the instrument When the pipe material is selected US300FM sets the sound velocity automatically Select the pipe material 1 in the pipe material selec tion list If the correct material is not listed select the Pipe Material entry OTHER MATERIAL Carbon Steel Confirm by pressing ENTER It is possible to select which materials are to be dis played in the material selection list See section 10 11 If you have selected OTHER MATERIAL US300FM re cG MaterTal quests the entry
106. n on the upper line This message appears on the upper line when no stop NO STOP DEFINED time has been programmed This message shows that US300FM will automatically STOP MEASURE AT end the measurement at the displayed time 30 04 pb ee 15200 Press key 3 now to display the stop date and time or STOP MEASURE AT the programmed duration of the measurement Y Vv 04h 00m 00s 12 4 2 Start Stop of Measurement When the defined start time is reached US300FM continues the previously interrupted measurement During the measurement you can check if a stop time has been programmed In the volume flow display press key 9 once sev Volume Flow eral times 354027 mo Additional information will be displayed in the upper line ky 03h 58m 17s giving amongst others the time remaining until auto matic STOP av 39502 TiO If this message is missing no stop time has been pro grammed Note The programmed measurement can be stopped at any time by pressing key BRK US300FM will automatically stop the programmed measurement in the following cases e the programmed stop time has been reached STOP MEASURE AT 30 04 08 15 00 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 83 12 Time programmable Measurement e the memory is full and no other output option was VALUE MEMORY activated OVERFLOW 12 5 Storage of Measured Values e When the storage function is activated the measured v
107. n the first line of the display The main menu has following entries PAR parameter MEA measur ing OPT output options and SF special functions corresponding to the four different program branches The actually selected program branch is displayed in capital letters between arrows The full name of the program branch is displayed on the second line Parameter Ke Use lt 4 and 6 to select a program branch Confirm your selection by pressing ENTER 4 2 2 The Program Branches In the PARAMETER program branch you can enter the parameters of the pipe and of the medium for the different measuring channels The MEASURING program branch leads you through the different steps of the measuring process In the OUTPUT OPTIONS branch you can set all output relevant parameters such as the physical quantity to be displayed during measurement and the measurement unit used for display for example The SPECIAL FUNCTION branch contains all functions that are not directly related with the basic measurement If a vertical arrow 11 is displayed beside a menu op Parameter D tion this menu option contains a scroll list This list is displayed on the second line for Channel A N Use the arrow 8 and 2 to scroll through the list Note You can return to the main menu at any time by pressing BRK In this manual all program entries and keys will appear in capital letters Program entr
108. ng with Parameter Records 59 9 1 Enabling Disabling ParaPool _________ 59 9 2 Loading and Editing Short Records 59 9 3 Saving Parameters in a Short Record 60 OLibraies 68 10 1 Editing the Selection Lists 63 10 2 Defining New Materials and Media 65 11 System Settings TA 11 1 Setting the Internal Clock ___________71 11 2 Settings for the Dialogues and Menus 721 11 3 Measurement Settings 00000000 74 171 5 Instrument Information 77 76 12 Time programmable Measurement 79 12 1 Enabling and Disabling 12 3 Input of the Stop Time O i 80 12 4 Measuring with the 1 2 5 Storage of Measured Values 84 12 6 Comments on ONLINE Output 84 of the Medium 000 851 x E SERITUR 14 Process Outputs 189 14 1 Installation of a Process Output 89 14 2 Defining the Error Value Delay 9 14 4 Activation of an Analogue Output 94 14 5 Activation of a Pulse Output 9 bi 14 6 Activation of an Alarm Output 95 14 7 Deactivating an Alarm Output 10 T 15 Troubleshooting 103 15 1 Error Messages 1031 15 2 US300FM doesn t react anymore 106 15 3 No signal can be detected 107 15 4 Measuring Data Substantially Differ from Expected Value 108 A Standard Specifications 109 1 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 1 Introduction 1 Introduction 1 1 Regarding this manual This manual has been writ
109. nstrument you must also install a new sensor ROM as described in section 3 6 18 Remowve filler plug from housing otrip the transducer connection cable off on a length of 60 to 70 mm Unscrew a M20 threaded joint to divide it in its three parts basic part threaded with rubber sleeve 4 compression part 2 and cap nut 1 see illustration below IM 01G05B03 01E 1st Edition Nov 5 2001 XX k pee SES Hi a T 3 Installation Insert the compression part 2 in the cap nut 1 1 E 9 3 4 Push the cap nut with the compression part on the cable so that the thinner end of the compres sion part is flush with the end of the outer jacket Pull about 15 mm of cable shield back on the compression part as illustrated in 5 Screw the rubber sleeve side of the basic part 4 in the housing Push the cable in the housing through the basic part of the joint Tighten the threaded joint by screwing the cap nut Proceed to wiring according to the wiring diagram below WIRING DIAGRAM US300FM 3 SS c 1 UN s 1 SN UH 7 U A mn Cun p EE owe VO M pe M N J N N LO SENSPROM Y lt 0 f 515 or Wu NI O O O m lt O OO AC POWER 2 5 SUPPLY O69 DC POWER 4 5 SUPPLY
110. of the sound velocity Enter the sound velocity of the pipe material Values between 600 and 3230 0 m s 6553 5 m s are possible Confirm by pressing ENTER 5 1 4 Pipe Lining The instrument asks if the pipe is fitted with lining mate rial or not If YES the following subdisplay group will be Select the lining material or the entry OTHER MATE Lining RIAL if the lining material is not listed Carbon Steel Confirm by pressing ENTER It is possible to select which materials are to be dis played in the material selection list See section 110 1 30 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 5 Basic Measurement If you have selected OTHER MATERIAL US300FM re C Material quests the entry of the sound velocity Enter the sound 3200 0 m s velocity for the liner material Values between 600 0 and 6553 5 m s are possible Confirm Dy pese ENTER MED materials Enter the pipe liner thickness Default value for this pa Liner Thickness rameter is 3 0 mm 3 0 mm Confirm by pressing ENTER Attention US300FM checks the correlation between the entered outer diameter the pipe wall and liner thickness The inner diameter outer diameter 2 x wall thickness 2 x liner thick ness should be within the specified inner diameter range for the transducers used An error message is displayed if this is not the case 5 1 5 Pipe Roughness The roughness of the inner pipe wall influences the flow profile of t
111. on the second line in addition to the selected quantity of measurement e Flow velocity e Volume flow rate e Mass flow rate Use key 3 to scroll through the different displays of the second line while measurement is going on The character is a reminder that the shown value in this case the volume flow is not the selected physical quantity A Volume Flow 2 47 m3 s 6 4 Transducer Distance During measurement it is possible to scroll to the dis L 51 2 50 8mm play of the transducer distance by pressing the key DISP 9 The actual optimal transducer distance is given first in parenthesis here 51 2 mm then the entered trans ducer distance here 50 8 mm The optimal transducer distance might change during measurement due to temperature fluctuations for example An eventual mis positioning of the transducers here 0 4 mm will be internally compensated by US300FM Attention Never change the transducer distance during measurement this would lead to false val ues of the sound velocity IM 01G05B03 01E st Edition Nov 5 2001 XX 41 42 6 Displaying the Measured Values IM 01G05B03 01E 1st Edition Nov 5 2001 XX 7 Advanced Measuring Functions 7 Advanced Measuring Functions 7 1 The Damping Factor The damping factor is the integration time of the calculated gliding average value Default value for the damping factor is 10 s value for normal flow conditions Strongly fluctuating rea
112. onfirm by pressing ENTER Press BRK if you want to return to the main menu with out changing the other settings of the data logger Note The selected totalizer storage mode will remain active even after a power failure or a cold start INIT has occurred 7 2 2 Overflow of the Flow Totalizers The flow totalizers can work in two different modes e Without overflow The numerical value of the respective totalizer increases up to the internal limit of 107 The values are displayed as exponential numbers 1 00000E10 if necessary The totalizer can only be reset to zero manually e With overflow The totalizer resets automatically to zero as soon as 49999999999 is reached as for a water clock The totalizer mode can be set in the program branch SPECIAL FUNCTION SYSTEM SETTINGS N MEASURING This setting is cold start resistant Select the QUANT WRAPPING option Quant wrapping Select ON to work with overflow OFF to work without off gt ON lt overflow This option will have no impact on the possibility to reset totalizers manually 44 IM 01G05B03 01E st Edition Nov 5 2001 XX 7 Advanced Measuring Functions The overflow of a totalizer influences all output channels e g storage of meas ured values serial online output etc The output of sum of both totalizer the throughput via a process output will not be valid after the first overflow wrapping of one of the respective total izers An alarm ou
113. operties of water with pressure p lt 1000 hPa 1 bar and saturation 1 999 8 4 218 __ eo 1 9832 J 418 L moj x mr Jj d 80 1 971 6 4 196 180 10 027 886 9 4 408 200 15 55 864 7 4 497 T Temperature Pressure p Density Cp Specific heat at constant pressure 120 IM 01G05B03 01E 1st Edition Nov 5 2001 XX OUIDUIS be kdo nei ooo 95 limit values 97 PODEIS m 96 Alarm Stato E 100 Polo ej Ter AMON S 8 a A ER AED 40 er r 12 GIOCK Selllhg A o 71 Coefficient storage 67 eMe PTT 23 Contrast setting 76 CUROM i 45 DAMPING ln 43 al 09 obc 51 Date setting 71 Deleting measured values 55 Density of the medium 32 Description of the flowmeter 7 9 Dimensional drawings 115 PEE TERES 25 40 Displaying the results 40 Distance to disturbance sources 14 DSU DANO So comete en cut nho nak nb 14 Error MCSSAGES 2 Pra Zi P
114. option Confirm by pressing ENTER Special Funct 1 Delete Meas Val To avoid accidental deletion of data US300FM asks for Really Delete confirmation to make sure you really want to delete the stored measured values HS gt YES lt Confirm your choice by pressing ENTER 8 7 Internal Data Logger Settings Available options are the storage mode storage of both totalizers storage of the measured sound ve locity of the concentration and of the amplitude Select the SPECIAL FUNCTION program branch Confirm this by pressing ENTER Select the Sys TEM SETTINGS in the scroll list Press ENTER Select the STORING option in the scroll list Note All settings of the storage function are coldstart resistant IM 01G05B03 01E st Edition Nov 5 2001 XX 55 8 Storage and Output of Measured Values 8 7 1 Storage Mode Select the storage mode SAMPLE or AVERAGE storage Mode In SAMPLE mode US300FM uses the momentary gt SAMPLE lt average measured value for storage and online output In AVERAGE mode US300FM will use the calculated mean of the measured values of a storage interval for storage and online output Confirm by pressing ENTER Further explanations The storage mode does not influence the continuously operating process interfaces e g current output In AVERAGE mode all primary measuring quantities are averaged In case no mean value could be calculated over the complete storage interval while the unit
115. r local Yokogawa sales office 108 IM 01G05B03 01E 1st Edition Nov 5 2001 XX A Standard Specifications US300FM e General Fluid Measured guantity Measuring princi pal Pipe size Pipe and lining ma terial Flow velocity range Resolution Accuracy Measuring cycle Straight pipe run in the upstream Standard Specifications Liguid Turbidity lt 10 000 mg L fluid sound speed 800 to 3500m s Volume flow mass flow by setting density flow veloc ity sound speed in the fluid Transit time method using ultrasonic signal 25 to 6500 mm Carbon steel Stainless steel Grey cast iron Ductile iron Copper Glass PVC etc 0 01 to 25 m s 0 025 cm s 1 to 3 of reading depend ing on application flow velocity 0 8m s 0 008m s flow velocity lt lt 0 8m s depends on the flow profile 100 to 1000 Hz when only one channel input 10 to 50 diameters depend ing on the kind of the flow disturbance e Ultrasonic flowmeter US300FM Construction Housing material Water and dust proof Dimensions Weight Input Number of input channels Output Current output Aluminium powder coated IP65 EN60529 Ipx5 JIS C 0920 200 x 280 x 70 5mm approx 2 8kg 1 to 2 Channel A Channel B 1 to 2 outputs Range 4 to 20mA Flow velocity volume flow or sound speed in the liquid can be freely assigned IM 01G05B03 01E 1st Edition Nov 5 2001 XX Frequency output
116. r the mounting fixture mounting fix marked length 120 mm USPAO082 Ruler for the mounting fixture marked length 330 mm USPAO091 Acoustic couplant 100 g for 30 to 130 C USPAO092 Acoustic couplant 100 g for 30 to 200 C Fixing band IM 01G05B03 01E 1st Edition Nov 5 2001 XX Standard Specifications Dimensional Drawings Ultrasonic flowmeter US300FM oo x 2 SA X A A A CZ C NJ Wy NC i ZF VM SZ Y 280 265 lt t Z _ KZ o e 5 g S T i mE IT ILT Transducers US300FT xBx x here is any available code So ae 3 AS 40 p H V GN 2 LP Hie 5 Z D po CS 6 Z 4 od RS R Z A mea Connection cable US300FC Gxxx Transducers US300FT xCx US300FT xDx x here is any available code lt NY lt Bala L ale op 2 A u SZ Connection cable US300FC Gxxx Length IM 01G05B03 01E 1st Edition Nov 5 2001 XX 115 Standard Specifications WIRING DIAGRAM Nam
117. rast minimum contrast medium contrast 8 maximum contrast The contrast will be reset to medium after a cold start 11 5 Instrument Information Select SPECIAL FUNCTION INSTRUM INFORM Special Funct to obtain information about the flowmeter e the type designation and the factory number of your instrument e the memory still available for data storage e the version of the firmware Instrum Inform Confirm by pressing ENTER 76 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 11 System Settings The type designation and the factory number of your US300FM 00000999 instrument are given on the first line Here Type desig FREF 16327 nation US300FM and factory number lt 00000999 The memory still available for data storage is given on the second line Here 18327 measured values can still be stored Confirm by pressing ENTER The type designation and the factory number of your US300FM 00000999 instrument are given again on the first line KR eho beO The firmware version and its date are given on the second line Here Version V5 xx from 11 11 2000 Confirm by pressing ENTER IM 01G05B03 01E 1st Edition Nov 5 2001 XX U7 18 11 System Settings IM 01G05B03 01E 1st Edition Nov 5 2001 XX 12 Time programmable Measurement 12 Time programmable Measurement The time programmable measuring mode allows the user to program the beginning and the end of a measurement In stan
118. rature of the medium a range of possible values for the sound velocity must be entered Enter the minimum and maximum values of the sound c Medium MIN velocity for the medium you want to measure in m s 1400 0 m s Confirm your entries by pressing ENTER 5 2 2 Kinematic Viscosity The kinematic viscosity influences the flow profile of the liquid US300FM uses the entered value of the kinematic viscosity as well as other parameters for the profile correction Enter the kinematic viscosity of the medium Values be Kinem Viscosity tween 0 01 and 30 000 00 mm s are accepted 1 00 mm2 s Confirm your entry by pressing ENTER 5 2 3 Density The input of the density of the medium is only necessary when mass flow has been selected as an output option see chapter 6 1 Mass flow is not measured directly US300FM obtains the result for mass flow by multi plying volume flow with the density value which has been entered Enter the density of the medium Values between 0 10 Density and 20 00 g cm are accepted 1 00 g cm gt Confirm your entry or the displayed value by pressing ENTER 5 2 4 Medium Temperature US300FM needs the medium temperature for the calculation of the distance between the transducers distance suggested at the beginning of measurement US300FM also uses the temperature of the medium for correcting the sound velocity and the viscosity which both depend on temperature Enter the medium temperature T
119. s for the ultrasonic flowmeter US300FM Pipe mounting USPA201 Pipe mounting fixture to fixture add the option PMT Accessories others RS 232 cable USPA401 RS 232 cable RS232 adap USPA402 RS232 adapter 9 25 ter 9 25 Measuring USPA411 Measuring tape tape 114 Accessories for the transducers US300FT Fixing strap USPAO01 Fixing strap of 10 m length USPAO02 Fixing strap of 20 m length USPAO011 Two fixing clips of medium type for pipe size 40 to 100 mm USPAO012 Two fixing clips of large type for pipe size 100 to 6500 mm USPAO21 Fixing band for transducers of type B only for pipe size 25 to 50 mm Fixing chain USPAO031 Fixing chain for pipe size 25 to 600 mm USPAO032 Extensional fixing chain 2m length equal to 600 mm diameter USPAO033 Repair set for fixing chain Mounting fix USPAO 54 Mounting fixture standard ture type for transducers type B set of two blocks USPAO055 Mounting fixture magnetic type for transducers type B set of two blocks USPAO057 Mounting fixture standard type for transducers type C or D set of two blocks USPAO058 Mounting fixture magnetic type for transducers type C or D set of two blocks Additional USPAO073 Additional set of two mag magnets for nets for mounting fixture for mounting fix transducers type B ture USPA075 Additional set of two mag nets for mounting fixture for transducers type C or D Ruler for USPAO81 Ruler fo
120. s displayed as a MOVE TRANSDUCER bar graph Move the transducers in direction of another until the bar graph starts to get smaller One should try ERE to obtain the maximal signal amplitude at the shortest transducer distance possible DISP 9 and 3 to obtain further information in the upper or lower line of the display see sec Press keys tion 6 3 Press ENTER to conclude the positioning of the transducers Attention Do not move the transducers any more Measure and enter the current transducer distance Transd distance According to this example 25 5 mm has been meas 25 5 mm ured as the current optimum transducer distance Confirm by pressing ENTER IM 01G05B03 01E 1st Edition Nov 5 2001 XX 85 13 Measuring the Sound Velocity of the Medium Following error messages might appear at this point ESTIMATED VALUE TOO LARGE In both cases the entered estimated value for the sound velocity differs too much from the real sound ve locity of the medium The transducers were positioned to a disturbance or to an echo ESTIMATED VALUE IOO SMALL Confirm error messages by pressing ENTER Enter a new estimate for the sound velocity As soon as you have entered an estimated value com patible with the real sound velocity of the medium the pound VELOCITY measurement starts c 1488 1 m s 13 1 Displayed Information 3 to obtain further information in the upper or lower line of the displ
121. sing the limits for the outer diameter During the next scroll through the program branch PA RAMETER the outer diameter corresponding to the en tered circumference will be displayed For example 180 mm 3 142 57 3 mm The edition of the circumference is of a temporary nature When the unit switches back to the display of the pipe circumference internal re calculation slight rounding errors may occur Example Entered circumference 100 mm gt displayed outer diameter 31 8 mm When the unit switches back to the circumference internally a value of 99 9 mm will be displayed IM 01G05B03 01E 1st Edition Nov 5 2001 XX 11 System Settings 11 2 2 Input of the Fluid Pressure US300FM can take into account the dependency of fluid properties on pressure In the FLUID PRESSURE display select ON if you wish Fluid pressure to enter the fluid pressure in the program branch PA off gt ON lt RAMETER The value of the fluid pressure must lie be tween 1 and 600 bar If you select OFF US300FM uses a fluid pressure of 1 0 bar for all pressure dependent calculations 11 2 3 Input mode for the Measuring Point Designation Select 1234 if you wish to identify the measuring Meas Point No points using only numbers point and dash gt 1234 lt v 2 Select N gt if you wish to enter the measuring point designations using the ASCII editor 11 2 4 Display of the Last Entered Transducer Distance If yo
122. ss key 7 to select the next activated channel for displaying US300FM displays the measured values as configurated in the OUTPUT OPTIONS program branch see section 6 1 for the selected channel 6 3 Configuration of the Display US300FM gives the option of displaying two of the measured values one on each line of the display and of configuring the display readings according to your requirements You can change the displayed values independently and without interfering with the ongoing meas urement The changes have no influence on the total counters the storage of measured values the operation of the process interfaces etc 40 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 6 Displaying the Measured Values Following information can be displayed on the first line of the display e Designation of the quantity of measurement actually being measured and recorded e Totalizer values if activated e the date and time at which the memory will be full e the operating mode e the transducer distance see section 6 4 e the reckoning function if activated e the time remaining until the automatic stop of a programmed measurement e the state of the alarms if an alarm output is activated and the display of the alarms state is enabled see section 114 6 e the operating mode DISP 9 to scroll through the different displays of the first line while measurement is going on Use key Following information can be displayed
123. ss key when a totalizer is displayed To deactivate flow totalizing Press key when a totalizer is displayed Attention The flow totalizers can only be activated for the measuring channel which measured values are actually displayed IM 01G05B03 01E st Edition Nov 5 2001 XX 43 7 Advanced Measuring Functions Once the totalizers are activated the totalized value is A ipae we m3 shown on the first line of the display here the volume which has passed the measuring point in positive flow 24 2 Ino direction since the activation of the totalizers 7 2 1 Settings The behavior of the totalizer after a measurement has been interrupted can also be set in the program branch SPECIAL FUNCTION SYSTEM SETTINGS MEASURING In the MEASURING scroll list select the QUANTITY OE gt ON lt If you select ON the previous numerical values of the totalizers are kept after restart of the measurement If you select OFF the numerical values of the totalizers are reset to zero after restart of the measurement It is possible to store the value of the currently displayed totalizer only or one value for each flow direc tion In the SPECIAL FUNCTION SYSTEM SETTINGS STORING program branch select the QUANTITY STORAGE entry Select ONE if US300FM should only store the value of Quantity Storage the displayed totalizer Select BOTH to enable storage of the totalizer value in function of the flow direction gt ONE lt Doc C
124. ssing ENTER The parameters are saved under the selected ID num ber 61 62 9 Working with Parameter Records IM 01G05B03 01E 1st Edition Nov 5 2001 XX 10 Libraries 10 Libraries The internal data bank of the instrument contains the properties of more than 20 different materials pipe material lining and more than 40 different media It is possible to select the materials and fluids displayed in the selection lists of the program branch PARAMETER pipe material lining medium You can thus adapt the list to your specific measuring tasks and the shorter selection lists make your work more efficient see section 0 1 An integrated coefficient storage user area allows you to define new materials and media The US300FM coefficient storage can be partitioned as you like For more information about user materials and media see section 10 2 10 1 Editing the Selection Lists The procedures for the edition of the material and of the media selection list are the same We de scribe here the edition of the material selection list Note User materials and media are always displayed in the selection lists of the program branch PARAMETER In the program branch SPECIAL FUNCTION select the Special Funct option SYSTEM SETTINGS and press ENTER SYSTEM settings In the SYSTEM SETTINGS scroll list select the option SYSTEM settingsit LIBRARIES and press ENTER Libraries Select MATERIAL LIST to edit the material selection
125. start resistant EPROM as soon as the measurement begins Any power failure interrupts the operation of US300FM All input data measuring parameters and stored measured data are preserved After return of the power supply the factory number of the in YOKOGAWA strument appears on the display for a few seconds USsVUEM 006000999 US300FM autonomously continues the measurement which was interrupted by power failure All se lected output options are still active The flowmeter does not continue the measurement after return of the power supply if a coldstart was performed A coldstart can be performed by pressing BRK C ENTER simultaneously U RESTART Let the BRK and C keys pressed and release only the ENTER key The instrument is then restarted Do not release BRK and C before the main menu or the DELETE MEAS VAL display appears The latter appears when the data logging function is activated Select YES or NO and confirm by pressing ENTER IM 01G05B03 01E 1st Edition Nov 5 2001 XX 27 28 4 Getting Started IM 01G05B03 01E 1st Edition Nov 5 2001 XX 5 Basic Measurement B Basic Measurement After the instrument was mounted at the selected location the parameters of the pipe and of the me dium must be entered They have to be entered separately for every available measuring channel The entered parameters can be modified at any time later by calling the program branch PARAMETER again The values that can be giv
126. t Edition Nov 5 2001 XX 13 3 Installation It is most important that the measuring point is chosen at a sufficient distance from any distur bance sources Only then can it be assumed that the flow profile in the pipe is fully developed However US300FM will give you meaningful measuring results even under non ideal measuring con ditions with a liguid containing a certain proportion of gas bubbles or solid particles or if the recom mended distances to disturbance sources can not be observed for practical reasons for example In the following examples recommended straight inlet and outlet pipe lengths are given for different types of flow disturbance sources to assist you in selecting the correct measuring point Examples D lt Nominal pipe diameter at measuring point L Recommended distance Disturbance source 90 elbow Inlet Outlet L2 10D L25D i Z L gt SD m L gt 10D u e EN TR Mis N _ TR EL Disturbance source 2 x 90 elbows in one plane Inlet Outlet L225D L25D t o L gt 5D L 25D v so Y Disturbance source 2 x 90 elbows in different planes Inlet Outlet L gt 40D L gt 5D E ue L gt 5D gt 40D ne oc e mi Disturbance source T section Inlet Outlet L gt 50D L gt 10D L gt 50 D si nm T
127. t of the totalizer for the positive flow direction J Output of the totalizer for the negative flow direction xO Output of the sum of the totalizers Limit Output of a limit message alarm output R1 R2 Output of a limit message alarm output R2 Output of a limit message alarm output R3 Impulse From abs x Impulse output without sign consideration from x 0 Impulse output for positive measured values from x lt 0 Impulse output for negative measured values Miscellaneous Soundspeed fluid m of the sound velocity of the fluid see chapter 113 Signal Output of the amplitude of the signal of a measuring channel 14 1 1 Output Range If you are configurating an analogue output US300FM I1 Output rangef now asks you for the output range Select one of the ranges offered in the scroll list or OTHER RANGE to en 4 20 mA ter manually the output range If you have selectes OTHER RANGE enter the minimal I1 Output MIN output value OUTPUT MIN and the maximal output 10 0 mA value OUTPUT MAX Confirm each value with ENTER Il Output MAX 11 0 mA The entered output range should cover at least 10 of Il Output MAX the full physical output range IMAX IMIN 2MA fora 12 0 MINIMAL 20 mA current output for example If this is not the case US300FM will display the smallest maximal out put value OUTPUT MAX possible for the entered minimal output value OUTPUT MIN 90 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 14 Pro
128. tag plate maximum 16 characters IPMT Pipe mounting fixture Note Option PU1 and PU2 are exclusive Option FQ1 is not selectable for models with two current outputs A2 Connection cable for fixed type Model Suffix Specification code US300FC Connection cable for fixed type Length Gxxx poo Cable length 001 to 300 m IM 01605 03 01 1st Edition Nov 5 2001 XX Transducers for fixed type Model Suffix code Specification US300FT Transducers for fixed type General purpose IP65 Waterproof IP67 Pipe Size Medium 8 General Fluid Tem with 3m cable see note perature BHU Medium 8 High with 3 m cable see note Large amp General with 4 4 m cable see note ee with 4 4 m cable see note Very large amp General with 12 m cable see note Note B Medium size 25 to 400 mm C Large size 100 to 2500 mm D Very large 2000 to 6500 mm G General temperature 30 to 130 C H High temperature 30 to 200 C a S ixi For 25 to 1400 mm Two fixing bands One strap of 10 m length Two clips of medium type Two clips of large type For 1400 to 2800 mm One strap of 20 m length Two clips of large type For 2800 to 6500 mm Two straps of 20 m length Two clips of large type None Acoustic couplant General type 30 to 130 C High temperature type 30 to 200 C None Option ITTP Transducer tag plate max 16 characters 113 Standard Specifications Accessorie
129. te and their totalization the sound velocity of a medium The transducers can be operated at temperatures between 30 C and 130 C With specially designed high temperature transducers the operating temperature range can be extended up to 200 C Meas urement can be made on commonly used pipe materials such as steel synthetic material glass or copper Pipe diameters may range from 25 up to 6500 millimeters depending on transducer type The two clamp on transducers allow for non invasive measurement that do not affect the pipework or the liquid to be measured They are small lightweight and also very robust US300FM is a measuring instrument for wall mounting The unit operates with an external power sup ply of 24 VDC or 100 to 240 VAC US300FM has protection degree IP65 and is therefore suitable for monitoring tasks under difficult environmental conditions US300FM can be operated in different languages A backlit display shows input data and measure ments results as well as operational errors The menus guide the user through the parameter setup measurement and data storage You can define the materials and media which will be offered the se lection lists of the program branches and the order in which they will appear limitation of the long se lection lists of the internal properties data bank An integrated coefficient storage which can be partitioned according to your needs keeps self defined properties of materials and media US300FM
130. ten for the personnel operating the US300FM flowmeter It contains very important information about the instrument how to handle it correctly how to avoid damaging it and how to avoid injury Always keep this manual at hand Get acguainted with the safety rules and the handling precautions Make sure you have read this manual thoroughly and understood how to oper ate the instrument before operating the instrument e The contents of this manual may be changed without prior notice e All rights reserved No part of this manual may be reproduced in any form without Yokogawa S writ ten permission e Yokogawa makes no warranty of any kind with regard to this material including but not limited to implied warranties of merchantability and suitability for a particular purpose If any question arises or errors are found or if any information is missing from this manual please in form the nearest Yokogawa sales office 1 2 Safety Precautions For the protection and safety of the operator and the instrument or the system including the instru ment please be sure to follow the instructions on safety described in this manual when handling this instrument In case the instrument is handled in contradiction to these instructions Yokogawa does not guarantee safety The following safety symbol marks are used in this Manual The notes contain important information which help you use your instrument in an opti mal way Attention This text gives
131. the measurement Chapter 13 Measuring the Sound Velocity of the Medium This chapter describes how to measure the sound velocity in the medium and how to store it as one of the medium parameters for the flow measurement refer to section 5 3 Chapter 14 Process Outputs This chapter describes how to use the process outputs equipped in the product The current outputs frequency output or binary outputs for pulse or alarm come equipped with the product when you specified in your order These outputs must be installed and activated by the software settings when you use them The description here contains how to define the types and properties for the alarm out puts Chapter 15 Troubleshooting This chapter describes the troubleshooting of the product The description here contains the overview of error messages you might encounter and how to deal with them Appendix A Standard Specifications The tables and the figures for the standard specifications of the product are shown here Appendix B Reference The tables and the figures for the properties of the materials and media are shown here IM 01G05B03 01E 1st Edition Nov 5 2001 XX 5 1 Introduction IM 01G05B03 01E 1st Edition Nov 5 2001 XX 2 The Flowmeter 2 he Flowmeter 2 1 Overview US300FM is a flowmeter that uses ultrasonic signals to measure the flow in pipes or conduits It can measure the following quantities the flow velocity the volume and mass flow ra
132. totalizer value for posi tive flow direction If you enter a negative limit the comparison will be made with the totalizer value for negative flow direction During measurement the limit values will always be interpreted in terms of the unit of measurement selected at the time the quantity limit was set The limit value stays the same even if the quantity and or unit of measurement is changed If you change the unit of measurement also change the quantity limit Example You have entered a limit value of 60 0 m h then changed the unit of meas urement to m min You should also change the quantity limit from 60 0 m h to 1 0 m min 14 6 3 Apparent Delays when Switching Alarm Outputs US300FM rounds the measured value and totalizer value with a precision of two decimal places be hind the comma before they are displayed However US300FM compares the limits with the non rounded values his might cause an apparent output switching delay especially when extremely small changes of the measured value take place smaller than the eguivalent of two decimal places behind the comma In these cases remember that the accuracy of the output switching is higher than the accuracy of the display 98 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 14 Process Outputs 14 6 4 Reset and Initialization of the Alarms e After a coldstart all alarm outputs will be initialized They will then be in the following state FUNC OFF TYPE NON HOLD MODE
133. tput should be set to FUNC QUANTITY and TYP HOLD if you want it to signalize the overflow of a totalizer 7 3 Upper Limit for Flow Velocities A single outlier caused by heavily disturbed surroundings can appear in flow measured values This will affect all measuring quantities derived from the flow measured values Such outliers are unsuitable for integral quantities pulse outputs e g You can predefine an upper limit for the flow velocity The measuring process will then ignore all measured flow velocities bigger than this limit and will mark them as outlier invalid measured value or measurement impossible The upper limit for the flow velocity can be set in program branch SPECIAL FUNCTION SYSTEM SETTINGS MEASURING This setting is cold start resistant In program branch SPECIAL FUNCTION SYSTEM Velocity limit SETTINGS MEASURING select the VELOCITY LIMIT option Enter the upper velocity limit Values be tween 0 1 and 25 5 m s are accepted Entering 0 0 switches off the test for outliers O20 m s Confirm by pressing ENTER When the test is activated velocity limit gt 0 0 m s every measured flow velocity will be compared with the entered upper velocity limit If the flow velocity is bigger than the limit e The flow velocity will be marked invalid the measuring quantity cannot be determined e The red SIGNAL LED is lighted e The display shows a behind the unit of measurement In case of a
134. u select TRANDUCER DISTANCE USER Transd Distance US300FM will display the last precise transducer dis auto gt USER lt el A have entered after positioning of the trans If the suggested transducer distance and the entered distance are not identical the suggested value is then displayed in parenthesis on the left followed by the last 90 40 0 0 mm precise transducer distance entered This setting is recommended Transd Distance If you select TRANDUCER DISTANCE AUTO Transd Distance US300FM will only display the suggested transducer 50 9 distance after the positioning of the transducers 11 2 5 Time programmable Measurement Select oN to enable the time programmable measuring Time progr Meas mode see chapter 12 OFF to disable it QUEE gt ON lt IM 01G05B03 01E 1st Edition Nov 5 2001 XX 13 11 System Settings 11 2 6 Error Value Delay EDIT enables you to enter an error value delay The Error val delay error value delay is the time after which a special er ror value will be sent to an output when no valid damping gt EDII lt measured values are available If you select DAMP ING US300FM uses the value of the damping as er ror value delay the behavior of US300FM in case no measured val ues can be obtained 11 2 7 Display of the Alarms State ON activates the display of the alarms state during SHOW RELAIS STAT off gt ON lt see section 14 6 for more information on the alarms
135. ude of the signal is already insufficient for measuring Transducer installation Transducer installation in diagonal mode in reflection mode factorznumber of sound path factorznumber of sound path transits transits Note Correct positioning of the transducer is easier for an even number of transit paths as for an odd number 5 5 Mounting and Positioning of the Transducers 5 5 1 Distance between the Transducers Once the number of transit paths has been entered one of the following displays appears Tromsceq1stelrce Transd Distance A 54 mm Pos 54 mm Diago Letter A Measuring channel A If you have entered the sound path factor numerically Re 1e or Diago appears behind mm The display indicates at which distance from another the transducer should be mounted here 54 mm The transducer distance given here is the distance between the inner edges of the transducers For very small pipes a negative transducer distance is possible as illustrated below Transducer distance gt 0 Transducer distance gt 0 transducer distance lt 0 reflection mode diagonal mode diagonal mode a gt pi len 34 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 5 Basic Measurement 5 5 2 Mounting of the Transducers sl dec zi E Always mount the transducers so that the front ed
136. um parameters input 31 Memory capacity reen 57 82 Model Code LEN 113 OU DL 2240 e a 53 STU fe o oe Rozas 54 Output of measured values 53 Output range aes d s ledit eee rink 90 OuipuL to a PU ds a a 53 Output to a printer s odit lan 53 Parameter records 59 ParaPool SPADNE p 59 loading a aus rekl pidas 59 te ducto eb 65 Pipe circumference 29 me m 30 Pipe lining thickness 31 F IDeInatertal dac ad 30 Pipe outer diameter 29 P IDE TOUGNNESS oci odios weakened Ub cine tnb 31 Process OULDDUIS ee ders ener Ep ae peque 89 activating a current output 94 activating a frequency output 94 activating a pulse output 95 activating an alarm output 95 eec a 93 CONIO UO Meisie 89 error value oec etis o aa 91 error value delay 93 TUIPICTION CHECK icu eet NE 92 Output TANGO je cer ea cca 90 output value in case of error
137. urce item The zero scale 0 00 m3 h value corresponds to the lower limit of the output range Zero Scale Val Enter as FULL SCALE VALUE the highest measured Full Scale Val value expected The full scale value corresponds to i the upper limit of the output range 300 00 m3 h i d Example If the output range 4 20 mA was selected for a current output a signal of 20 mA will be transmitted to the current output when a flow rate of 300 m h is meas ured For a measured current of 0 a signal of 4 MA will be transmitted to the current output 94 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 14 Process Outputs 14 5 Activation of a Pulse Output Note The display PULSE OUTPUT only appears in the program branch OUTPUT OPTIONS ifa pulse output has been installed Select the OUTPUT OPTIONS program branch for the Pulse Output channel assigned to the output you want to activate In the PULSE OUTPUT display select YES to activate the pls quo PY EO pulse output If the flow velocity is selected as the quantity of meas urement an error message is displayed The use of the pulse output is not possible because it is technical non NO COUNTING sense to totalize the flow velocity Pulse Output Enter the PULSE VALUE US300FM automatically dis Pulse Value plays the units selected for the quantity of measure ment in the OUTPUT OPTIONS When the measuring 0 01 m3 guantity reaches the pulse value a pulse will be emit ted
138. urement of the sound velocity the parameter record of the actual measuring channel outer diameter wall thickness is used In the main menu select the program branch OUTPUT par mea gt OPT lt sf OPTIONS Output Options Select the measuring channel for which you want to set Output Options 1 the output options tor Channel A Confirm by pressing ENTER Select the desired quantity of measurement in the scroll f list Measurement of VOLUME FLOW FLOW VELOC Physic Quant ITY MASS FLOW and SOUND VELOCITY is possible Volume Flow Confirm by pressing ENTER The selection of the physical quantity SOUND VELOCITY immediately ends the program branch OUT PUT OPTIONS because during the measurement of the sound velocity the process outputs serial in terface and internal data memory do not operate The measurement of the sound velocity is described in chapter 13 For all quantities of measurement other than SOUND VELOCITY a scroll list of the available measurement units is displayed refer to Standard Specifications The previously selected unit is shown on the second line Select the unit of measurement in which you want to have the chosen physical quantity displayed and output Volume in m3 h Confirm by pressing ENTER IM 01G05B03 01E 1st Edition Nov 5 2001 XX 39 6 Displaying the Measured Values You can now return to the main menu by pressing BRK The next displays of the program branch OUTPUT OPTIONS
139. vers can be mounted onto the outside of pipe walls allowing for non invasive measurement In order to avoid wrong measurements US300FM tests with its special electronics the incoming ultra sonic signals for their usefulness for the measurement and evaluates the plausibility of the measured values The microprocessor integrated in US300FM controls the complete measuring cycle eliminating distur bance signals by statistical signal processing techniques 2 3 Applications US300FM can always be used where the pipe wall and the liquid to be measured are sonically con ductive This is true for pipe walls consisting of homogeneous material and for liquids which carry only small amounts of solid particles or gas bubbles There is no dependency on electrical parameters of the fluid such as conductivity or dielectric constant ADVANTAGES e Non invasive methods permits safe measurement on aggressive or high temperature media flow ing in closed conduits e Flow values can be measured without interruption of the process e The installation does not require any alterations to the pipe system e The measurement does not influence the cross sectional area of the pipe nor the actual flow con ditions 8 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 2 The Flowmeter 2 4 Description of the Flowmeter 2 4 1 Command Panel The front plate has to be removed 4 M4 screws to access the command panel Remember that the protective degree IP65 of t
140. was in AVERAGE mode the mean value for this interval will be marked as invalid In the ASCII file with the stored measured values will appear for invalid mean values and the associated quantity of measurement There will not be an indication of how many momentary measured values a valid mean value consists of 8 7 2 Storage of the Totalizer It is possible to store the value of the currently displayed totalizer only or one value for each flow direc tion This setting is cold start resistant In the SPECIAL FUNCTION SYSTEM SETTINGS STORING program branch select the QUAN TITY STORAGE entry Select ONE if US300FM should only store the displayed Quantity Storage totalizer Select BOTH to enable storage of the totalizer gt ONE lt both value in function of the flow direction Confirm by pressing ENTER Further explanations 8 US300FM will store the totalizers only if they are activated and the data logging function enabled The storage of one totalizer halves the total number of measured values which can be internally logged the storage of both totalizers guarters it Example In the program branch SPECIAL FUNCTION US300FM shows that 10 000 measured values can still be stored If the totalizers are activated and only one total value is logged 3 333 data fields are available for storage If both total values are saved 2 000 data storage operations can be made 7 3 Storage of the Amplitude In the SPECIAL FUNCTIO
141. whether the data is being sent to a PC or transmitted to a serial printer You can decide if spaces should be killed or not and decide which character should be used as decimal point and as column separator 54 IM 01G05B03 01E 1st Edition Nov 5 2001 XX 8 Storage and Output of Measured Values TARGET PC TARGET External printer ON is recommended space OFF is recommended as all SER kill Spaces characters will not be transmitted measured values of a column during the export of numerical will be printed one below the values In this way the file size other can be considerably reduced i e shorter transmission time gt OFE lt on Which decimal point is used for This setting is of a country SER decimalpoint floating point variables point or specific nature depends on the coun NJEN S E try specific settings for decimal numbers Which character should be used TAB increases the total width of SER col separat for separating columns semico a line depending on how the none i lon or tabulator depends on the tabulator is set on the printer A S reguirements of the PC pro gram Generally both separa tors can be used 8 6 Deletion of Measured Values With this special function measured values stored in the memory of US300FM can be deleted Select the SPECIAL FUNCTION program branch Confirm this by pressing ENTER Scroll through the list un til you reach the DEL MEAS VAL
142. will return to Libraries the FORMAT USER AREA display Format USER AREA Keeping Data during Formatting of the User Area When reformatting the User area US300FM can keep up to 8 data sets of each type Example 1 You reduce the number of user materials from 5 to 3 The data sets 01 to 03 are kept The last two data sets 04 and 05 are deleted Example 2 You increase the number of user materials from 5 to 6 All 5 data sets are kept 10 2 2 Input of the Material Media Properties The procedures for the input of material and medium properties are the same In the program branch SPECIAL FUNCTION select IN Special Funct f STALL MATERIAL or INSTALL MEDIUM and press Install Material An error message appears case you did not reserve USER Material data sets for user materials or user media when format NOT FORMATTED Select EDIT and press ENTER Install Material gt EDLI lt delete Select one of the available memory locations and con USER MATERIAL firm by pressing ENTER 401 not used Default name for a user material or medium is USER MATERIAL N or USER MEDIUM N with N an entire BLIE Sc Ne number This designation can be modified now USER MATERIAL k There are 95 ASCII characters letters capital letters numbers special characters gt lt etc available for the designation of your material medium with a maximum of 16 characters per designation The input of

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