DWYER INSTRUMENTS, INC. Phone: 219/879-8000
Contents
1. 13 Rectangular Contracted Sharp Crested Weir Type 2 13 Trapezoidal Cipolletti Sharp Crested Weir Type 3 13 V Notch Triangular Sharp Crested Weir Type 4 13 Parshall Flume Type 5 cum ssa caw a eee E Eee dae ond ri a eee es A Roh cm Ra 14 Palmer Bowlus Flume Trapezoidal Throat Cross Selection Type 6 14 H eine Type bab GRE KAN sos Seas Saeed Pepi ere eee 14 Leopold Lagco Flume Type 8 saka sci t ean Bate Breen a 9 ies RYE ae jane er 14 Chapter 5 Troubleshooting 22 mA Signal Error Messages eee 15 Appendix A Gas Factor Table 00 ccc ee 16 Appendix B Installation Tips 0 0 0 cee eee 16 Appendix C Nomenclature 0 0 eee eee 17 Table of Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 Figure 28 Figure 29 Page 1 Front and Side VIEW 22 0004 eum REG GGG ERR ARKADA HAD bance dens 2 Threaded Flange Thread Free Flange Monitoring 3 Extension Pipe Recommendation 000 eee eee ees 4 Conduit Adapter cteucusee ad PAA 4 Non Intrinsically Safe Positive Ground Connection 4 No2. Alex lni inn Enter button Back button Escape button Figure 8 Display and Function Buttons The function buttons are used to perform various operations summarized in the following table Uses Include Accessing the functions menu when pressed simultaneously with me Selecting functions Progressing to the next step of a function Moving from left to right between displayed digits e Saving changes to data Accessing the functions menu when pressed simultaneously with jj Exiting the functions menu to restore the distance reading Moving from right to left between displayed digits Exiting a function without saving changes Clearing error messages e Scrolling through the functions menu e Scrolling through available data values in functions NEXT button only Recording interfering signals NOTE Within some functions the digits in the displayed value can be individually modified This is indicated by a flashing digit flashing digits are shown in gray in the display illustrations In this case the ENT and ESC buttons enable you to move between the digits Each flashing digit can be modified using the BACK and NEXT buttons Start Up and Function Access Press Action Display Explanation Connect unit to Temporary display while power supply 8888 unit takes a reading After a brief pause For example Distance reading For example Enters the functions menu m ene s
3. RITES i Co y ulii Figure 20 Long Base Weir Flumes Weirs American Standard Rectagular Suppressed Sharp Crested Weir Type 1 j ism 08 72 00 Ep 09 96 00 Figure 23 Trapezoidal Cipolletti Sharp Crested Weir V Notch Triangular Sharp Crested Weir Type 4 Code YY V Notch Angle P 01 90 a 02 60 3 a RE mini HAHHA 2 37K fi i p nt Figure 21 Rectangular Suppressed Sharp Crested Weir LI 4 Is par Figure 24 V Notch Triangular Sharp Crested Weir Page 13 Parshall Flume Type 5 H Flume Type 7 Code YY Throat sath in Code YYJ Flume Size m Measurement Point in n 6 1 90 Co 9 2 5 04 18 551 os 2 708 06 30 3905 p Co 36 102 08 54 1614 Figure 27 H Flume Leopold Lagco Flume Type 8 Figure 25 Parshall Flume Palmer Bowlus Flume Trapezoidal Throat Cross Selection Type 6 Code YY Conduit Diameter in D 02 6 O 09 8 Figure 28 Leopold Lagco Flume Figure 26 Palmer Bowlus Flume Trapezoidal Throat Cross Selection Page 14 Chapter 5 Troubleshooting 22 mA Signal Error Messages This chapter describes how to resolve problems that may occur when calibrating The following list of messages will appear on the display and coincides with a 22 the unit as follows mA analog current err
4. Used to move on to the next function Pr 08 Selecting Distance or Level Display for ULB and ULF Liquid Only The Pr08 function enables you to choose whether the unit displays either distance or level measurements There are two settings available d000 Distance mode default setting In this mode the unit displays the distance from the sensor to the surface of the contents L000 Level mode In this mode the unit displays the level of the contents from the bottom of the tank NOTE The measurement mode selected for the display will not influence the measurement mode selected for the 4 to 20 mA values Pr04 The ULF Open Channel only displays open channel flow measurement To Select Distance or Level Display Press Action Display Explanation mm Required menu selection Displays the current distance level mode setting Used to toggle between the modes Saves the selected mode Pr 03 Entering Factor for Gas Compensation Function Pr09 enables you to compensate for sound velocity changes in different types of gasses You can enter the appropriate factor for each type of gas listed on the Gas Factor Table Appendix A For example the sound velocity in air at room temperature is 1125 ft sec 343 m sec and for Methane Ch 1463 ft sec 445 82 m sec Therefore a factor of 1463 1125 1 30 should be entered to compensate for this type of gas This factor will compensate in cases when the gas compound consists of 1
5. Resistance 750 Q at 28 VDC Electrical Connection Screw terminal Conduit Connection 1 2 NPT conduit or cable gland optional Process Connection 2 NPT or 2 BSP optional Enclosure Plastic enclosure ABS and UV resistant body Enclosure Rating NEMA 4 IP65 Mounting Orientation Vertical Memory Non volatile Display 4 character LCD Units ft m upon request Programming 4 button Weight 3 1 Ib 1 4 kg Measuring Ranges Standard 0 82 ft to 11 5 ft 0 25 m to 3 5m ULB for solids Extended Range 1 96 ft to 28 ft 0 6 mto 8 5m Short Range ULF for fluids Standard 0 82 ft to 16 4 ft 0 25mto5m 1 96 ft to 49 2 ft 0 6 m to 15 m Chapter 2 Installing the Unit Precautions Ensure that the unit is mounted in an area that meets the stated temperature pressure and technical specifications Ensure that high voltage sources or cables are at least 40 1 m away from the sensor and its cable Use round cables with minimum diameter of 0 24 to 0 28 6 to 7 mm to ensure that the unit remains sealed per IP65 standards Ensure that cables are routed correctly and tightened along walls or pipes Installation and operation of this product should be performed according to the Product User Manual and Product Certification Otherwise the use of this product is prohibited When installing the unit ensure that it is Mounted above the dead zone area NOTE If the device ente
6. U E YY Where X refers to the particular flume weir type U E refers to either American or European standard flumes weirs YY refers to the specific flume weir dimensions The types of flumes weirs are available in American standard or European standard upon request When working in American standard the default flow measurement units will be GPM and in European standard the default flow measurement units will be M Hr Flume Weir Types This is the first value X entered for the Pr00 function The following flume weir types are available both in European and American standard Type ng Ba E OOOO Type X Pages 11 13 Pages 13 14 4 5 Rectangular Suppressed Rectangular Suppressed Sharp Rectangular Contracted Sharp Rectangular Contracted Sharp Crested Weir Page 11 Trapezoidal Cipolletti Sharp Trapezoidal Cipolletti Sharp Crested Weir Page 13 Crested Weir Page 11 V notch Triangular Sharp V notch Triangular Sharp Crested Weir Page 13 Crested Weir Page 11 Parshall Flume Page 12 Palmer Bowlus Flume Trapezoidal Palmer Bowlus Flume H Flume Page 14 Trapezoidal Throat Cross Selection Page 12 H Flume Page 12 Leopold Lagco Flume Page 14 Neyrpic Venturi Flume Long Base Weir Page 13 Flumes Weirs European Standard Rectangular Suppressed Sharp Crested Weir Type 1 o 80 o 39 01 02 03 04 05 7 F ge a om hee ACE get Figure 11 Rectangul
7. and noise Must Be EN od Extension pipes 1 ui At least 3 7 62 cm internal diameter and 19 69 50 cm long from sensor low edge to pipe low edge With completely smooth protruding into the tank ource terminals Rated higher than 12 volts Preferably regulated switching PS avoid rectified PS Rechargeable supply Non operational when e NS steno to recta 4 2 Wire Interface ee atat grounded manual preferably grounded Barrier Connected in EX zones po banni ua 5 Configuration Tank Height Configured correctly Level Distance 4 to 20 settings Defined consider the o Lu ul S aad fonde and full level ana applications mm ad nical empty me ned 77 id data is cleared SBD 1 Set up in flange and extension pipe installations pooo At least 1 97 5 cm before the pipe edge Appendix C we A momo Dain s JL Rah Moran AU tomm TL MU rad Te Peca du eer m rir mpm UR Yr Fr m rr g Bru Anm qp C Figure 29 Nomenclature Page 17 Copyright 2010 Dwyer Instruments Inc Printed in U S A 12 10 FR R4 443852 00
8. block 4 Return the adapter s cover to its place properly Make sure that the O ring is placed correctly Fasten the four retaining screws Figure 4 Conduit Adapter NOTE The conduit adapter should not exceed a torque of 50 Ib in To maintain a proper seal make sure that conduit is firmly screwed to the conduit s adaptor Page 4 Non Intrinsically Safe Connections Pos Gr Positive Ground load resistor or PLC 420m mi T 24v DC supply Tu _ _ h 4 Figure 5 Non Intrinsically Safe Positive Ground Connection Negative Ground i e E 24V DC low resistor supply or PLC X 4 20m1A L a gres gt Figure 6 Non Intrinsically Safe Negative Ground Connection Power Supply and Load Resistance Recommendations The following table specifies the recommended resistance range for each power supply voltage Non Intrinsically Safe Power Supply Minimum Maximum 15 V 00 00 41 Q 68 Q 18 V 24 V 28 V NOTE The resistance value is the total sum of the series resistor or PLC resistance and the lines resistance The minimum voltage level on terminals should not be less that 15 VDC To maintain a proper seal make sure that conduit is firmly screwed to the conduit s adaptor Ripple Noise Parameters Recommended for the Power Supply The following ripple noise parameter are recommended for the power supply e 100 mV p p max Power Su
9. settings and reverting to the default factory settings Default factory settings are Pr00 GPM 1U01 or M Hr 1E01 Pr02 Sbd 00 00 E000 Tank Height default Pr03 Resets all interfering signals Pr04 Solid Liquid device LOOO 00 00 or Flow device F000 00 00 Pr05 Solid Liquid device Tank Height Pr 02 Flow device 55500 M Hr or 244400 GPM Pr06 SE 0 Liquid and Flow Pr07 Tank Height Pr 02 Pr08 Solid Liquid device d000 Pr09 01 00 NOTE If you decide not to revert to the default settings press ESC when CLCL is displayed A redo option is not available when ENT has been pressed To Restore the Default Settings Press Action Display Explanation Required menu selection t Shifting the Blocking Distance This function enables you to define an area in which measurement results would be ignored This option is applicable for installations requiring extension pipes or nuzzles positioned above the material level This area should approximately fit the pipe nuzzle length to eliminate false echoes and to provide accurate and stable measurement readings To Shift the Blocking Distance Follow the directions given for Entering Distance to Empty Level Tank Height page 6 Instead of entering the tank height value enter 00 01 and continue as follows Press Action Display Explanation Insert this code to enter the blocking distance area e This message will flash for a few Ss seconds indicating an en
10. target height may not be exact for example a target height of 19 69 ft 6 m may give a reading in the range 19 62 to 19 75 ft 5 98 to 6 02 m The displayed values are in distance units To Define Interfering Signals Press Action Display Explanation Select Search to locate acoustic interferences or Clear to delete stored interferences Required menu selection o P Displayed after the selection for 3 seconds and then the menu returns to Pr03 Temporary display while the unit searches for interfering signals Depth to interfering signal Saves the interfering signal then searches again and displays the next reading Continue to press this button to save up to six interference readings For example Actual target height reading indicates 5 pog that there are no more interfering aata kar signals Saves the entered values NOTE If the value represents an interference false echo or false target press NEXT If the value represents the real target real distance press ENT Pr 04 Configuring 4 mA Current Output Pr04 function enables you to enter values to be used as the 4 mA mark for remote monitoring You can define the 4 mA values for level distance or flow measurements depending on series The measurement value types should be defined in Pr04 These definitions will be applicable as well for the 20 mA values defined in Pr05 To set 4 mA and 20 mA for level measurements you should configur
11. 00 Methane In case the gas is not pure the sound velocity cannot be estimated and therefore a minor deviation could appear It is recommended to use a reference measurement indicator using a tape or other measuring device and compare the measurement results between the unit and the reference measurement indicator If the result is correct press ENT If the accuracy deviation is higher than expected continue and calibrate the factor to meet the gas maintained in the vessel For example if the gas composition consists of water and gas you can add 0 01 to the factor figure already entered to meet your application requirements The Gas Factor Table supports up to 32 different types of gasses For any other type of gas not included in this table please contact Dwyer Customer Support www dwyer inst com Display Explanation _ Required menu selection Pr 09 Press Action Default screen Default value Choose a factor from the Gas Factor Table Appendix A For example This is the factor for Ethanol Saves the chosen gas factor NOTE Repeat this procedure if the measurement results differ from the actual material level measured with a reference tape or other reference measurement method Add or reduce 0 01 to calibrate the factor figure already entered Updated on screen results may take a few seconds to appear Prd para the Default Settings The Pr10 function allows clearing all user defined
12. Appears for several seconds Make sure that the power supply after restarting the unit If it is corresponds with the specifications displayed for more than several described in Chapter 2 Installing seconds it may be due to one the Unit If the problem persists of the following replace the power supply Power supply voltage is too low Load resistor resistance is too high or unnecessary Arandom pulse that causes the unit to automatically restart Measurement value is greater Double check the unit configuration than 9999 Tank h type of flume 4 to 20 mA settings In flow mode appears when the Decrease the tank height value entered tank height is incorrect Page 15 Appendix A Gas Factor Table The following table contains 32 different types of gasses and their factor for compensating the sound velocity FactorSymbo Jes 099 Jen L Chlorine Hydrogen Sulfide i CH OO Ne N Ne Nen Hor IN Ntogen Page 16 Appendix B Installation Tips 1 Choosing Location Distance to tank walls Surface Must Be serian beg ka ad nama bond ka At least 19 69 50 cm from walls 3 947 3 28 ft 10 cm 1 m range noises and vibrations and sensor cables outlets physical obstacles outlets physical obstacles surface of the target 2 Handling Dead Zone Extension pipes 2 Extension pipes 3 3 Power S Ripple
13. BEBANG 14 Nomenclature sesi maa X BAG ADS Ree thee eee KE DAAN LABAG ees 17 Chapter 1 Introduction The UL is an ultrasonic continuous level measurement gage The unit is available in two separate series The Series ULB for solids and the Series ULF for fluids Depending on the series the unit can be used for the following measurement tasks Dust free tanks with solids Open channel flow Liquid tanks with calm surfaces upon request The ULF unit has a range of up to 49 21 ft 15 m with an accuracy of 0 25 of the maximum measuring range version dependent The ULB unit has a range of up to 28 ft 8 5 m with an accuracy of 0 2596 of the maximum measuring range version dependent AIC mel K mmt A L Li M 3 T h A i K Lx BE li I ase 25 mmj d Fi l c ly P HT i LI 4 217 PA menl Figure 1 Front and Side View Page 2 SPECIFICATIONS Service ULB Bulk solids ULF Compatible liquids Wetted Materials Sensor Polypropylene Acoustic Window ECTFE Ranges see Measuring Ranges Accuracy 0 25 of max range at 20 C Resolution 0 04 1 mm Blind Zone ULB 11 and ULF X1 XXX 0 8 ft 25 m ULB 12 and ULB X2 XXX 1 96 ft 0 6 m Beam Angle 5 3db point Temperature Limits 40 to 158 F 40 to 70 C Temperature Compensation Automatic Pressure Limits 13 5 psi 0 9 bar to 30 psi 2 bar Power Requirement 18 to 28 VDC Output Signal 4 to 20 mA Max Loop
14. Bulletin L UL Series UL Transmitters Donya Specifications Installation and Operating Instructions DWYER INSTRUMENTS INC Phone 219 879 8000 WWW dwyer inst com P O BOX 373 MICHIGAN CITY INDIANA 46361 U S A Fax 219 872 9057 e mail info dwyer inst com Table of Contents Chapter 1 Introduction Specifications se ssa TT ETT ND NAM AA MAG oe ae eae ee eae 2 Measuring Ranges 5522cc60 KABABAAN ee thane KA Seddon d ae AEGRO RO 2 Chapter 2 Installation Precautions sersa aeeie a eae PE 3 Installing the Unit on Threaded Flange Thread Free Flange 3 Installing the Unit via Extension Pipes 0 00 cee eee 4 Using a Conduit ASSI 0 Z 9 task nhac ae eee eeGuen dou doa CAS 4 Non Intrinsically Safe Connections llli 4 Power Supply and Load Resistance Recommendations 4 Chapter 3 Set Up Seres UL FUNCIONS aed 642540 ADB td rrura qub REY d aciei Son ob wes 5 Set Up and Function Access s 3 aaa e dE E A E EN DI ER SEES AD pd sema 5 Resetting the Unit cade n ciet RR oder EROR RN o NG awe acc cee Pn RR Re eo 6 Entering Distance to Empty Level Tank Height 005 6 Defining Interfering Signals 8 23 93 3 cow Coded RC ae e RC ase ed 6 Configuring 4 mA Current Output 2 0 0 es 7 Configuring 20 mA Current Output XA AARON OR Re RRS ERS Rea RR WA 7 Selecting Low High Dynamic Speed 0 0 ees 8 Defining Working Area a una BANA KAKA 06s ed
15. ar Suppressed Sharp Crested Weir Rectangular Contracted Sharp Crested Weir Type 2 Code YY Crest Length cm 20 30 40 50 100 09 20 L 10 LL lenght 01 02 03 04 05 07 10 NT Figure 12 Rectangular Contracted Sharp Crested Weir i Page 11 Trapezoidal Cipolletti Sharp Crested Weir Type 3 Figure 13 Trapezoidal Cipolletti Sharp Crested Weir V Notch Triangular Sharp Crested Weir Type 4 British Standard Figure 14 V Notch Triangular Sharp Crested Weir Khafagi Venturi Flume Type 5 Palmer Bowlus Flume Trapezoidal Throat Cross Selection Type 7 QV 305 05 QV306 eO 06 QV308 80 08 QV313 130 09 QVv316 160 Figure 15 Khafagi Venturi Flume Figure 17 Palmer Bowlus Flume Trapezoidal Throat Cross Selection Parshall Flume Type 6 H Flume Type 8 Code YY HEAD ZEE Point cm Figure 18 H Flume Figure 16 Parshall Flume Page 12 Neyrpic Venturi Flume Long Base Weir Type 9 Rectangular Contracted Sharp Crested Weir Type 2 7 07 06 4800 08 7200 09 9600 08 1253E 09 12539F 4 min Sm Figure 19 Neyrpic Venturi Flum Code YY Long Base Weir Type 1245A 11 1245B 1245C l 1245D Figure 22 Rectangular Contracted Sharp Crested Weir 4 Trapezoidal Cipolletti Sharp Crested Weir Type 3 a 06 4800 08 7200 09
16. ce between the sensor and the surface of the target at its highest level should be a minimum of 0 82 ft 0 25 m for ULB Standard Range and ULF Short Range models or 1 96 ft 0 6 m for ULB Extended Range and ULF Standard Range models The first digit of the 4 mA value can be modified to read between 0 and 5 feet for U S Standard Units or between 0 and 1 meters metric units upon request After accessing the Pr04 function the unit generates a fixed current of 22 mA on the 4 to 20 mA line When the unit reverts to regular scanning mode the 4 to 20 mA line returns to regular functioning The default values for 4 mA and 20 mA in both the ULB and ULF Liquid Series are level The default values for 4 mA and 20 mA in ULF Open Channel Series are flow When changing from one measurement mode to another the measurement units will be changed automatically for example when changing from level mode to flow mode the units will change from feet to GPM or meters to M3 H depending on the model The measurement mode selected for the 4 to 20 mA values will not influence the measurement mode selected for the display PrO8 In case of power rest measurement configuration level distance flow will be saved according to the units last configuration Page 7 Pe BS Configuring 20 mA Current Output The Pr05 function enables you to enter values to be used as the 20 mA mark for remote monitoring To Enter 20 mA Values Press Action Displa
17. e This mode provides faster readings but with less precision rate of up to 397 100 cm per min Fail Safe 3 minutes NOTE Fail Safe timer determines the waiting period from an echo loss until a transmission of an error signal To Select the Speed Mode Displays the current operation mode setting Used to toggle between the operations modes Saves the selected operation mode Pr UT Defining Working Area The Pr07 function allows you to add distance range that exceeds the tank s height thus enabling accurate readings of complicated tank shapes with conic ending This may be required when the vessel has a conical bottom shape which is causing false echoes and consequently faulty measurements The minimal value can be the entered tank height and the maximal value can be double the value of the entered tank height The default setting is the entered tank height YES PPAF Cire to iempry lel PROT Warking area tank hasighi Figure 10 Defining Working Area NOTE It is recommended to use the Pr07 function only in distance mode Page 8 To Define a Working Area Press Action Display Explanation Required menu selection Displayed when entering the function Displays the value last saved in the tank height default The entered value should not be more than double the tank height and should not exceed the unit s maximum measuring range Used to enter a new value Saves the entered value
18. e Pr04 and Pr05 for level values For example if we measure a tank with tank height configured for 16 4 ft 5 0 m the 4 mA values will represent zero tank level and 20 mA values will represent full tank level Therefore the value entered in Pr04 will be 0 0 ft 0 0 m and the value entered in Pr05 will be 16 4 ft 5 0 m When setting 4 mA and 20 mA for distance measurements 4 mA values will represent the minimal distance between the surface of the target and the sensor and 20 mA values will represent the maximal distance between the sensor and the surface of the target Therefore 4 mA represents the full part of the tank and 20 mA represents the empty part of the tank Display Explanation Required menu selection Select the format for 4 mA and 20 mA values to level L000 distance d000 or flow F000 depending on model Press Action For example LOCO Last saved 4 mA level or zero default value For example 00 00 Used to enter a new value To save the new value press when standing on the far right digit After YES is displayed the display returns to the functions menu To return to the main menu without saving press f when standing on the far left digit NOTE The values for 4 mA and 20 mA must be different otherwise an Err error message is displayed The values for 4 mA and 20 mA should not be greater than the value used for the tank height Pr02 Because of the dead zone the distan
19. ent and error messages to appear on its LCD display Near Zone Whenever the distance is below the defined Dead Zone depending on the series you are using FFFF message will be displayed on the LCD Lost Echo Whenever the echo is lost or in cases when the measurement results exceed the tank height or when a returned echo is not received EEEE message will be displayed on the LCD You can choose to enable or disable these error messages and 22 mA analog signal as follows e d000 Disable e E000 Enable default setting Refer to Chapter 5 Troubleshooting for a detailed list of the 22 mA signal error messages To Disable Enable 22 mA Signal Error in the Unit Follow the directions given for Entering Distance to Empty Level Tank Height page 6 Instead of entering the tank height value enter 00 16 and continue as follows Press Action Display Explanation Choose disable Used to toggle between the modes or Disables the 22 mA error messages NOTE When the error signals are disabled the following current outputs will be displayed Level or flow measurement F F F F will indicate 20 mA and E E E E will indicate 4 mA Distance measurement F F F F will indicate 4 mA and E E E E will indicate 20 mA Page 10 Chapter 4 Open Channels ULF This section describes how to set flow measurement parameters for open channels and explains the flume weir codes methodology used when setting up flow measuremen
20. imultaneously Used to search for the required menu selection Accesses the selected function NOTE If an error message fr appears press the ESC button to return to the main menu Values are displayed in feet and inches or meters and centimeters model dependent Prot Resetting the Unit The PRO1 function enables you to do a reset by refreshing the measurement reading Other saved function settings are not changed After resetting the actual reading is displayed on the LCD and the unit begins to scan same as in turning the unit on off The reset function may sometimes be required after changing one of the settings or after receiving an error message NOTE During reset the unit will display 8 8 8 8 followed by 22 mA current output To Reset The Unit Press Action Display Explanation om ee Required menu selection and simultaneously Temporary display while unit takes a reading For example Distance reading After a brief pause 333 er c Returns to the functions and menu simultaneously Fe UZ Entering Distance to Empty Level Use Pr02 function to enter the distance from sensor face to empty level of the tank When sensor face coincides with tank top enter the height of the tank Default value is the maximum range for your model If you enter a value that exceeds this highest value an Err error message is displayed and the value is not saved NOTE For flow measurements en
21. most important to ensure correct usage of your device with the addition of Pr00 if using the appropriate ULF series Function Pr03 may be used if there are interfering signals The remaining functions Pr06 Pr07 Pr08 Pr09 and Pr10 enable you to customize the unit for your monitoring requirements or to restore factory default settings The diagram below shows the functions available in the functions menus for the Series ULF and Series ULB Some functions are only relevant for particular series Upan Request Pr i Merkur di Popp me BHUI ame PEDI ER ind RBE 9 EBE Pe 03 S LBI Ea Pr 03 BWN sm POS sm PON Pr sp am POS m Pr 05 P 05 ee a B DR BHI ES HU ina EB PROB oua PAOS A Pr 08 Pe 8 On non Ga BHT O Ga Pr 09 Pr U Cita Pr Pe on Pr JO Figure 7 Function Menus Setting flow measurement parameters function Pr00 for the Series ULF Open Channels is described in Chapter 4 Open Channels ULF Setting parameters for all other functions and accessing the functions are described in this chapter Page 5 Using Series UL Functions The LCD display screen functioning in normal mode provides continuously updated measurement readings The display screen is also used to view the menu options function settings and data values accessed by using the function buttons The picture below shows the upper part of the unit LCD display
22. n Intrinsically Safe Negative Ground Connection 4 Functions Menus 2200s BEAR RUE A ERR Rr Re oe eo NA KALA we ae 5 Display and Function Buttons isis ihe CUR IRURE RCRCR RR tue 5 Scar Distance PIODOSS aR ipaa Rak uU vows ee ese CUR RE od Oa 6 Defining Working Area mama swe se aca eo III 1511 DL 8 Rectangular Suppressed Sharp Crested Weir 11 Rectangular Contracted Sharp Crested Weir 11 Trapezoidal Cipolletti Sharp Crested Weir 11 V Notch Triangular Sharp Crested Weir 11 Khafagi Venturi Flume TP TRE 12 Parshall Flume ses e m n mn Rx gc Re e UR GANAP hele UR enc 12 Palmer Bowlus Flume Trapezoidal Throat Cross Selection 662 600 accu d Rie ene o EE ROG ER EAE RE ERE 12 lud DIR CR EY T PERO EE TTL 12 Neyrpic Venture FUNG uacua os Ra geo o kanes wow ecw Raa RRE ES 13 Long Base Weir 5 once X RR ron Weak Se eed ET eae whine eer dees 13 Rectangular Suppresses Sharp Crested Weir 13 Rectangular Contracted Sharp Crested Weir 13 Trapeziodal Cipolletti Sharp Crusted Weir 13 V Notch Triangular Sharp Crested Weitr 13 Parshall FIume aa e ek RU set ERO ES Sees RENAME See eens 14 Palmer Boweus Flume Trapezoidal Throat Cross Selection AA 14 PERO sga ANAN wees Slee s ABUEG DUA ee mae be 14 Leopold Lagco Flume 55 aNG en ae ee hehe TG LG PUGAD
23. od odd ode de qe hee e dd 8 Selecting Distance or Level Display 0 0 02 ccc ees 8 Entering Factor for Gas Compensation 0 000 eee eens 9 Restoring the Default Setllhtds 0a 23 xw REC X cae eee ces ad DAS ka 9 Shifting the Blocking Distance urs aic a he hae ee He Rai eee nci RC 9 Verifying the Version Number 000 cece eee eens 9 Defining 22 mA Signal Error Messages 0 00 eee ees 10 Chapter 4 Open Channels ULF Selecting the Flow Measurement Settings 0 0 0 ce eee eee 10 Open Channel Flow Measurements llli 10 Flume Weir Types due 3 d eR ee hades ta Gade bee Bhagat dnwdwe wn 11 Flumes Weirs European Standard 0 0 ccc ee ees 11 Rectangular Suppressed Sharp Crested Weir Type 1 T1 Rectangular Contracted Sharp Crested Weir Type 2 11 Trapezoidal Cipolletti Sharp Crested Weir Type 3 11 V Notch Triangular Sharp Crested Weir Type 41 nnana nananana naaa 11 Khatagi Venturi Flume TVDe 5 ua ana waa wy eae en e x PRA oho ee eae ws 12 Parshall Flume Type 6 even se KAG cee RE S040 KNEE ete KWAK PAGAN 12 Palmer Bowlus Flume Trapezoidal Throat Cross Selection Type 7 12 H Fume Iype O an vguaune es TT 6 OLI 112125 N R A 27S 12 Neyrpic Venturi Flume Long Base Weir Type 9 0c eee 13 Flumes Weirs American Standard 0 00 eee eee T3 Rectangular Suppressed Sharp Crested Weir Type 1
24. or output signal when the error signals messages are Emor Description Somon ibe 1 Noise in area 1 Get away from noise source Error Description Indicated by 22 mA if the 2 Check that the power supply is Sensor disconnected Contact Dwyer Technical Support l 55494 Error Signals are Enabled appropriate check grounding 2 Inappropriate power connection Near dead zone Depends on Move the sensor farther from the supply no grounding the measurement definitions dead zone area Faulty power supply Make sure that the power supply Tank empty Depends on the Check the level of material in the corresponds with the specifications measurement definitions tank described in Chapter 2 Installing _ 1 Noise in area 1 Get away from noise source the Unit If the problem persists indicated by 22 mA if the 2 Check that the power supply is replace the power supply error signals are enabled appropriate check grounding ALT Sensor disconnected Contact Dwyer Technical Support 2 Inappropriate power supply connection no grounding Any combination of three 8s and Contact Dwyer Technical Support Faulty power supply Make sure that the power supply one 1 Indicates an electrical indicated by 22 mA if the error corresponds with the specifications shortage caused by depressing signals are enabled described in Chapter 2 Installing the buttons for too long the Unit If the problem persists replace the power supply
25. pply Types Recommendations e Prefer a regulated switching power supply e A rectified power supply is not recommended e When powering by a battery avoid the using of switched charger Feeding Via PLC e Verify that the voltage level on the unit s terminals is at least 15 VDC e Check PLC specifications for grounding options It is good practice to add a 150 Q series resistor between the unit s positive terminal and the PLC Chapter 3 Setting Up and Calibrating the Unit This chapter explains how to set up and calibrate the unit for accurate measurement monitoring The unit is supplied with preprogrammed default settings making it ready for immediate operation There is no need to change the default settings unless you wish to calibrate the unit for your specific requirements however it is recommended that you replace the default tank height value with the actual tank height as described on page 6 When using the unit the tank height is calculated as the distance from the surface of the sensor to the bottom of the tank You should enter this value whenever tank height is required For flow measurement enter the precise flume height The ULF unit contains eleven programs and the ULB unit contains nine programs These programs are referred to as functions which enable you to change the default settings and calibrate as required These functions are accessed from a functions menu The functions Pr01 Pr02 Pr04 and Pr05 are the
26. rs the blocking distance dead zone it will not measure correctly Positioned at least 1 64 ft 0 5 m away from the tank walls Add 4 10 cm spacing for each 40 1 m in range a Perpendicular to the surface of the target NOTE Even the slightest difference in angle may affect echo quality Li a hes P e Placed as far as possible from noisy areas such as a filling inlet NOTE When installed in a humid environment it is recommended to position the sensor on a tripod on top of the vessel Page 3 Installing the Unit on Threaded Flange Thread Free Flange The unit is available in 2 NPT or 2 BSP upon request The unit can be installed with threaded flange mounting or with thread free flange mounting as shown below Figure 2 Threaded Flange Thread Free Flange Mounting NOTE When installing a thread free flange mounted unit you will need a 2 50 8 mm locking nut to secure the unit inside the tank To Install the Unit 1 Insert the threaded end of the unit into the opening at the top of the tank or pipe 2 Bolt the unit into place in one of the following ways Threaded flange mounting Screw the unit into a flange with a threaded 2 50 8 mm hole e Thread free mounting Place the unit in the flange and bolt it from within the tank with a 2 50 8 mm locking nut NOTE Tighten nut hand tight only When tightening the nut hold the lower part of the unit Make sure that
27. ter the precise distance from the sensor to the bottom of the flume Modified to read between O and 5 feet U S Standard Units or between O and 1 meters metric units model dependent To Enter Tank Height Value Press Action Display Explanation 4 Required menu selection r D2 Indicates the measurement unit in feet or meters upon request For example Displays last saved tank height or default value maximum value in range Used to enter a new value To save the new value press when standing on the far right digit After YES is displayed the display returns to the functions menu To return to the main menu without saving press when standing on the far left digit Page 6 Pe 03 Defining Interfering Signals The Pr03 function enables you to locate and store up to six interfering signals false echoes in the unit s memory to avoid having obstructions such as a tank agitator or a sidewall interfering with the measurement of the contents Defining interfering signals is done while the tank is empty Er fe muak MAcmopny sfonerd TI CK CTF tuS bo a kal exhi Lead aie n Figure 9 Scan Distance Process Each reading scan distance taken using the Pr03 function is stored as an interfering signal until a reading is achieved that indicates the real echo If six interfering signals are already stored the next read values will not be saved NOTE The reading of the actual
28. the seal is leak proof Installing the Unit Via Extension Pipes If the level of the measured surface falls within the dead zone area you should use an extension pipe to mount the unit When using an extension pipe ensure that The sensor is positioned in the center of the pipe The pipe extension is exactly perpendicular to the surface of the target The internal pipe diameter is at least 3 0 76 2 mm wide The pipe is preferably made of plastic and must have a smooth interior surface The pipe should not protrude inside the tank The tank drilling should be at least the size of the internal pipe diameter and have a smooth edge W F gt When installing the unit with extension pipes measure from sensor s lower edge and follow these specifications Pipe Length Internal Pipe Diameter 1 64 ft 0 5 m 3 0 76 2 mm NOTE 1 It is always recommended to use interference signal feature Pr03 to locate interfering signals when using an extension pipe 2 The sensor s lower edge may be a aligned with the extension pipe s upper edge or b protrude it by up to 2 56 6 5 cm See Figure 3 below Figure 3 Extension Pipe Recommendation Using a Conduit Adapter 1 Remove the four retaining screws from the conduit adapter cover 2 Pull the electrical wires through the 1 2 NPT conduit connection 3 Connect the 24 V wire to Terminal 1 connect the 24 V wire to Terminal 2 on the wiring
29. try to the blocking distance area ec er For example Shifts the blocking distance to 2 46 ft Of 0 75 m z or S Ca Saves this entry and returns to Pr02 NOTE Shifting of the blocking distance is limited to 4 9 ft 1 5 m The value entered to the SBD incorporates the Dead Zone Value Pr10 Clear reverts the blocking distance to its default Echo received from the defined blocking distance area will be ignored by the unit and the measurement result will be based on the next echo When installing via extension pipe it is recommended to keep approx 2 5 cm gap between the shortest distance to target maximal level and the lower pipe edge Set the SBD length to a value that is 2 5 cm smaller than the distance from the sensor s lower edge to pipe s lower edge in order to avoid second harmony interference Verifying the Version Number In addition to the functions described you can verify the UL series version number e To Verify the Version Number Follow the directions given for Entering Distance to Empty Level Tank Height page 6 Instead of entering the tank height value enter 00 17 and continue as follows Press Action Display Explanation After a brief pause or Defining 22 mA Signal Error Messages The unit allows you to define if the following signal error indications Near Zone and Lost Echo will be active when the current output reaches 22 mA The default setting enables 22 mA analog curr
30. ts Pe UU Selecting the Flow Measurement Settings The Pr00 function enables you to select one of the preset flumes weirs settings for flow measurements This function is available only in the ULF Open Channel series When setting flow measurement parameters in the Pr00 function the flume weir type value X is entered first followed by the letter U or E that represents either American USA or European standard flume weir The code value YY represents the appropriate flume weir dimensions in the following format XxuFF The open channel types and codes are described in Open Channels Flow Measurement NOTE Refer to Chapter 3 Setting Up and Calibrating the Unit for an explanation of accessing and using the functions menu All flow measurement values are displayed divided by 1000 e To Select the Flow Measurement Settings Pr 00 Press Action Required menu selection Indicates the measurement unit for flow 3 in GPM American standard or M h metric standard upon request Displays last saved flow measurement setting or default value with first digit flashing U American standard or E European standard upon request Use to select a new type value X Last two digits of the display flash Use to select a new flume weir length code YY Selected values are saved Open Channels Flow Measurements The flume weir type code methodology used when setting up open channels is based on three digits X
31. y Explanation Required menu selection Last saved 20 mA level or default value maximum value in range Used to enter a new value To save the new value press m when standing on the far right digit After YES is displayed the display returns to the functions menu To return to the main menu without saving press when standing on the far left digit NOTE The type of measurement level distance or flow selected in Pr04 is also applicable for Pr05 The values for 4 mA and 20 mA must be different otherwise an Err error message is displayed The values for 4 mA and 20 mA should not be higher than the value used for the tank height Pr02 The first digit of the 20 mA value can be modified to read between 0 and 5 for U S Standard Units or between 0 and 1 for metric units model dependent After accessing the Pr05 function the unit generates a fixed current of 22 mA on the 4 to 20 mA line When the unit reverts to regular scanning mode the 4 to 20 mA line returns to regular functioning Please refer to Chapter 5 Troubleshooting for 20 mA error indications Pr 05 Selecting Low High Dynamic Speed ULF Series Only The Pr06 function enables you to choose the required speed level There are two settings available SE 0 Low dynamic mode default setting This mode provides slower readings with a greater degree of accuracy rate of up to 317 80 cm per min Fail Safe 10 minutes e SE 1 High dynamic mod
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