Manuale Operativo Operating Manual Serie ULG
Contents
1. 6 SERVICING OPERATING MODALITIES 6 1 Form Modulo NAR Proceed with packing and shipping of material to VALCOM S r l factory prepaying shipment costs Goods must be accompanied by delivery note At receipt of the goods VALCOM Srl will assign an identification number to the return NAR number and will communicate it to the customer If necessary return NAR form to VALCOM Srl with additional information If instruments have been exposed to toxic and or dangerous substances VALCOM Srl has to be informed promptly in order to protect personnel responsible for the repair 6 2 Reminders Eventual reminders should be referred to NAR number 7 CONTROVERSY Any controversy arising between Supplier and Customer must be held exclusively in the Forum of Milan with expressed renunciation to any other Forum of competence even if in case of warranty claim connection or contingency of cause why SATU Rey KOREAN REGISTER2. wire to Terminal 2 on the Wiring 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 5 Conduit Adapter NOTE The conduit adapter should not exceed a torque of 50 Ib In To maintain the transmitter properly sealed make sure that conduit is firmly screwed to the conduit s adaptor Non Intrinsically Safe Connections Positive Ground inad resistor 4 20mA AHORA Y JA Figure 6 Non Intrinsically Safe Positive Ground Connection Negative Ground CNN 1 ae DO 24V DC supply load resistor ni 4 20mA Figure 7 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 Current Maximum Current MET on Resistor on Resistor my Ripple Noise Parameters Recommended for the Power Supply The following ripple noise parameters are recommended for the power supply For less than 15 V 75 mV p p max For more than 15 V 100 mV p p max Chapter 3 Setting Up and Calibrating ULG This chapter explains how to set up and calibrate ULG for accurate measurement monitoring ULG is supplied with preprogrammed default settings making it ready for immediate operation There is no need to change the default settin
3. interference readings o For example Actual target height reading 6 000 indicates that there are no more interfering signals Y em YES Saves the entered values NOTES Sy If the value represents an interference or false echo or false target press NEXT lf the value represents the real target real distance press ENT Pr 4 Configuring 4mA Current Output Pr04 function enables you to enter values to be used as the AmA mark for remote monitoring You can define the 4mA values for Level Distance or Flow measurements The measurement values types should be defined in Pr 04 described on page 31 These definitions will be applicable as well for the 20mA values defined in Pr 05 Distance and level measurements can be defined for both Solid and Liquid models For Flow models distance level and flow measurements can be defined To set 4mA and 20mA for level measurements you should configure Pr04 and Pr05 for level values For example if we measure a tank with tank height configured for 5 meters the 4mA values will represent zero tank level and 20mA values will represent full tank level Therefore the value entered in Pr04 will be 0 000m and the value entered in Pr05 will be 5 000m When setting 4mA and 20mA for distance measurements AmA values will represent the minimal distance between the surface of the target and the sensor and 20mA values will represent the maximal distance between the se
4. menu simultaneously Pr Oe Entering the Tank Height Value The Pr02 function enables you to enter the tank height The default value is the highest value in the relevant measurement range for your model If you enter a value that exceeds this highest value the Err error message is displayed and the value is not saved NOTES Sy Whenever the tank height is required you should enter the distance from the surface of the sensors to the bottom of the tank For flow measurement enter the precise distance from the sensor to the bottom of the flume the deepest point between the flume and sensor The first digit can be modified to read between 0 and 1 for metric units or between 0 and 5 for feet units For Shift Blocking Distance refer to Chapter 3 page 46 y gt To enter the tank height value Press Action Display CESSI For example 15 00 io LEES I Explanation Required menu selection Indicates the measurement unit either meters or feet Displays last saved tank height or default value maximum value in range Used to enter a new value To save the new value press ex 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 esc when standing on the far left digit _Pr 03 Defining Interfering Signals The Pr03 function enables you to locate and store up to six in
5. the next function _Pr 08 Selecting Distance or Level S Display The Pr08 function enables you to choose whether ULG displays either distance or level measurements There are two settings available d000 Distance mode default setting In this mode ULG displays the distance from the sensor to the surface of the contents L000 Level mode In this mode ULG 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 20mA values Pr 04 gt To select distance or level display Press Action gt gt 0 SN Display Pr 08 000 Or LODO _3ES Explanation 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 Pr 09 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 in room temperature is 343 m sec and for Methane Ch4 445 82 m sec therefore a factor of 445 82 343 1 29 should be entered to compensate for this type of gas This factor will compensate in cases when the gas compound consists on 100 Methane In case the gas is not pure the so
6. 22mA if power supply the Error Signals are corresponds with the Enabled specifications described in Chapter 2 Installing UIG If the problem persists replace the power supply Appendix A Gas Factor The following table contains 33 different types of gasses and their factor for compensating the sound velocity ose 063 loza AceylChloride Cheo osa Acele ct ow ammonio a ee E Benzene cate oss Bromochlorodiluoromrhane Corel 037 _ suanone Gcoc 056 0 02 0 03 0 74 0 54 1 26 0 92 0 53 0 37 0 50 Chlorine Dimethyl Ether Da PAN Bhae cate 090 EA AS E Ethylene C2h4 Helium Li Ta E freee e PE IO ce fa Methyl Hydrazie chins ort lait O E FO NED PS ieee Pose E propanol Oo Terrehydroturan caro osr 0 63 1 02 0 72 0 61 0 57 Condizioni generali di garanzia 1 GARANZIA Gli strumenti forniti da VALCOM S r l sono coperti da garanzia su difetti di produzione valida 12 mesi dalla messa in marcia ma non oltre 18 mesi dalla data di spedizione la garanzia non copre prodotti che risultino manomessi riparati da terzi non autorizzati o utilizzati in modo non conforme alle avvertenze di utilizzazione Anche se non espressamente pattuito la merce resa franco destino viaggia a rischio e pericolo del committente 2 SERVIZI DI ASSISTENZA Durante il periodo di assistenza in garanzia VALCOM S r l riparera a propria discrezione i prodotti o s
7. ET YES Explanation Required menu selection Displays the current operation mode setting Used to toggle between the operation modes Saves the selected operation mode Pr OT 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 limited to 15m 49ft The default setting is the entered tank height N Y i we AN Figure 13 Defining Working Area NOTE Sy It is recommended to use the Pr 07 function only in Distance mode gt To define a Working Area Press Action Display gt Pr 01 gt ACER for example 65 00 gt 0 Or gt ex YES 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 ULG maximum measuring range 15m 49ft Used to enter a new value as described on page 26 Saves the entered value gt Press Action Display Explanation Used to move on to
8. Manuale Operativo Operating Manual Serie ULG Trasmettitori di livello ad ultrasuoni ULG series Ultrasonic level gauge pz A a w y 7 ata E l 1 __ A be A i x a a E BACK NEXT 3 Ce ZI nti i z A di CE Sensor A automatica system for ships de industry Introduzione Questo manuale non contiene tutte le informazioni relative ad ogni tipo di apparecchiatura n prende in considerazione tutti i possibili casi di montaggio di funzionamento o di manutenzione Per maggiori informazioni o per problemi particolari non considerati nel manuale Vi preghiamo di rivolgerVi al nostro ufficio tecnico La garanzia quella prevista nelle ns condizioni generali di assistenza Tale garanzia non viene n ampliata n limitata da quanto contenuto in questo manuale Attenzione Questo strumento deve essere installato ed utilizzato solo da personale qualificato che abbia precedentemente verificato la correttezza della alimentazione in modo che sia in funzionamento normale sia in caso di guasto dell impianto o di sue parti nessuna tensione pericolosa possa arrivare all apparecchiatura Poich lo strumento pu essere utilizzato sia con alte pressioni sia con sostanze aggressive va tenuto presente che un uso non corretto pu portare danni gravi a persone e cose Un funzionamento corretto e sicuro presuppone un adeguato trasporto immagazzinamento e montaggio nonch una manu
9. al shortage caused by depressing the buttons for too long after restarting the unit If it is displayed for more than several seconds it may be due to one of the following Power supply voltage is too low Load resistor resistance is too high or unnecessary A random pulse that causes the unit to automatically restart Measurement value is greater than 9999 In Flow mode appears when the entered tank height is incorrect mor esco Slaton 8888 Appears for several seconds Make sure that the power supply corresponds with the specifications described in Chapter 2 Installing UIG persists replace the power supply If the problem Double check the unit configuration Tank h type of flume 4 20mA settings Decrease the Tank Height value 22mA Signal Error Messages The following list of messages will appear on the display and coincides with a 22mA analog current error output signal when the error signals messages are enables EC Sensor disconnected Contact the distributor for further instructions Near dead zone Move the sensor farther depends on the from the dead zone measurement area definitions Tank empty depends Check the level of on the measurement material in the tank definitions Noise in area Check that the power indicated by 22mA if supply is appropriate the Error Signals are Enabled Faulty power supply Make sure that the indicated by
10. d using the BACK and NEXT buttons gt To start up and access the functions MOMI and gt 0 Press Action Display Connect 6888 ULG to power supply After a brief pause 3 221 PeO simultaneously e For example For example Explanation Temporary display while ULG takes a reading Distance reading Enters the functions menu Used to search for the required menu selection Accesses the selected function S NOTES If an error message Err appears press the ESC button to return to the main menu Values are displayed in meters and centimeters or feet and inches according to the version Pr 0l Resetting ULG S The PRO1 function enables you to do a reset refreshing the ULG measurement reading Other saved function settings are not changed After resetting the actual reading is displayed on the LCD and ULG begins to scan same as in turning the unit on off The reset function may sometimes be required after changing one of the ULG settings or after receiving an error message NOTE During reset the UL ill display 8 8 8 8 followed by 22mA current output gt To reset Press Action Display Explanation sc om Pr O Required menu and selection simultaneously ex 8888 Temporary display while ULG takes reading cy After a brief For example Distance reading pause 3 001 o sc em Returns to the functions and
11. degli strumenti viene effettuata franco stabilimento VALCOM Srl di Terranova P LO Gli strumenti riparati verranno ritornati in porto assegnato i rischi di trasferimento e gli oneri sono a carico dell acquirente Gli strumenti spediti per assistenza in garanzia che dovessero risultare correttamente funzionanti verranno aggravati di un costo di Euro 50 00 per spese di controllo e gestione Gli strumenti non coperti da garanzia verranno verificati tecnicamente la valutazione dei costi verr formalizzata e trasmessa al Cliente attraverso la conferma di Riparazione Mod CDR In caso di mancata accettazione del preventivo gli strumenti subiranno un aggravio da un minimo di Euro 50 00 ad un massimo di Euro 250 00 a seconda del tipo di apparecchio per spese di controllo verifica tecnica e gestione General servicing conditions 1 WARRANTY Instruments supplied by VALCOM S r l are covered by warranty against production faults for a period of 12 months from start up to a maximum of 18 months from the original shipping date warranty does not cover products being damaged repaired by not authorized servicing or handled not in accordance with suggested on standard warnings Even if not expressly agreed goods always travel at buyer s total risk and charge 2 SERVICING During period of servicing covered by warranty VALCOM S r l will repair at his own discretion products or will replace defective instruments with new units If afte
12. e people handling these apparatus to have knowledge and experience in mounting servicing and working and to have title to do their job with reference to Safety Standards The Company could modify this manual in any moment without previous advice Rev Data Date Descrizione Description Red Chk App lo 260109 Emissione MC RS EV OO Chapter 1 Introducing ULG ULG is an ultrasonic continuous level measurement gauge of mono block construction combining the sensor and electronic components in a single unit ULG measures the height of both liquids and solids accurately It can be used for the following measurement tasks Liquid tanks with calm surfaces Solids tanks that are dust free Open channel flow measurement ULG has a range of up to 15 m 49 21 ft with an accuracy of 0 25 within that range The following diagrams show the front and side views of ULG and its dimensions Figure 1 Front View Figure 2 Side View Accuracy 0 25 of measuring range Resolution 1 mm 0 04 Beam angle 5 O 3db point Ambient temperature Automatic compensation Liquids Short Range 0 25 m 5m 0 82 ft 16 4 ft Standard 0 6 m 15m 1 96 ft 49 2 ft Solids Short Range 0 25 m 5 m 0 82 ft 16 4 ft Standard 0 6 m 8 5 m 1 96 ft 27 8 ft Open Short Range 0 25 m 5 m channels 0 82 ft 16 4 ft Standard 0 6 m 15 m 1 96 ft 49 2 ft Enclosure Pollut
13. ever the distance is below the defined Dead Zone depending on the ULG model you are using REEF 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 EFFE message will be displayed on the ULG s LCD You can choose to enable or disable these error messages and 22mA analog signal as follows d000 Disable E000 Enable default setting gt To disable enable 22mA signal error Follow the directions given for Entering the Tank Height Value page 26 Instead of entering the tank height value enter 00 16 and continue as follows Press Action gt 0 8 5 Display 9000 YES Explanation Choose disable Used to toggle between the modes Disables the 22mA error messages Chapter 4 Troubleshooting ULG This chapter describes how to resolve problems that may occur when ULG as follows Description Solution y Noise in area Check that the power supply is appropriate Faulty power supply Make sure that the power supply corresponds with the specifications described in Chapter 2 Installing UIG If the problem persists replace the power supply 6644 Sensor disconnected Contact the distributor for further instructions Any combination of three 8s Contact the manufacturer and one 1 Indicates an for further instructions electric
14. git NOTES Type of measurement level distance flow selected in Pr 04 is also applicable for Pr 05 The values for 4mA and 20mA must be different otherwise an Err error message is displayed The values for 4mA and 20mA should not be higher than the value used for the tank height Pr02 The first digit of the 20mA value can be modified to read between 0 and 1 for metric units or between 0 and 5 for U S Standard units After accessing the Pr05 function the unit generates a fixed current of 22mA on the 4 20mA line When the UL everts to regular scanning mode the 4 20mA line returns to regular functioning Please refer to chapter 5 Troubleshooting for 20mA error indications _Pr 06 Selecting Low High Dynamic Speed Open Channels and Liquid 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 80 cm 31in per min Fail Safe 10 minutes SE 1 High dynamic mode This mode provides faster readings but with less precision Rate of up to 100 cm 39 in per min Fail Safe 3 minutes NOTE Sy Fail Safe timer determines the waiting period from an echo loss till a transmission of an error signal gt To select the speed mode Press Action gt gt 0 e gt Display Pr 0b SEO Or S
15. gs unless you wish to calibrate ULG for your specific requirements however it is recommended that you replace the default tank height value with the actual tank height When using 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 ULG contains eleven programs referred to as functions which enable you to change the default settings and calibrate ULG as required These functions are accessed from a functions menu The functions Pr01 Pr02 Pr04 and Pr05 are the most important to ensure correct usage of your ULG device with the addition of Pr00 if using a ULG O model Function Pr03 may be used if there are interfering signals The remaining functions Pr06 Pr07 Pr08 Pr09 and Pr10 enable you to customize ULG for your monitoring requirements or to restore factory default settings NOTE Some functions are only relevant for particular ULG models The diagram below shows the functions available in the functions menus ig Flow Measurement Reset Pr Ol Reset Pre Height Br Ue Halon ERE A Sone e a O Pr 06 Bynamic Pr 06 worn Viprtin Distance Distance PROS Gas Pr 09 Gas Pr 09 Compensation Compensation Pri Clear Pri Clear Pri Setup Setup Figure 10 Functions Menus The LCD display screen functioning in normal mode provides contin
16. ion degree Insulation category Wetted parts Operating temperature Mounting Operating pressure Dimensions Weight IP 65 Mono block construction Plastic enclosure ABS UV 2 as per IEC61010 Il as per IEC61010 Sensor body PolyProp PVDF Coated aluminum ECTFE for Solid Liquid model 40 C to 70 C 40 F to 158 F 2 BSP or 2 NPT 0 9 bar 289 x 107 x 85 mm 11 38 x 4 21 x 3 35 Up to 1 4 kg 3 08 Ib Display Loop current Supply Integral LCD four digits 4 20 mA 750 Q 28 VDC 12 28 VDC CE certified Material Coated Aluminum Halar ECTFE Description Designed for complex environments with problematic echoes such as non conductive vapors solids or liquids Good performance in problematic applications Usable in highly acidic or alcoholic environments High sensitivity to echoes Chapter 2 Installing ULG Ensure that ULG is mounted in an area that meets the stated temperature pressure and technical specifications Ensure that high voltage sources or cables are at least 1 m away from the sensor and its cable Use round cables with minimum diameter of 6 7 mm to ensure that the unit remains sealed IP 65 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 p
17. nsor and the surface of the target Therefore 4mA represents the full part of the tank and 20mA represents the empty part of the tank gt To enter 4mA values Press Action Display Pr OF For example 1000 C004 For example 00 00 Explanation Required menu selection Select 4mA and 20mA values format Level LOOO Distance d000 and Flow F000 Last saved 4mA level or zero default value Used to enter a new value Press Action gt e gt Display YES Explanation To save the new value press on 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 E when standing on the far left digit 205 Configuring 20mA Current Output The Pr05 function enables you to enter values to be used as the 20mA mark for remote monitoring gt To enter 20mA values Press Action Display Explanation y Pr OS Required menu selection For example Last saved 20mA level or OS 00 default value maximum value in range Used to enter a new value as described on page 26 YES To save the new value press C when standing on the far right digit After YES is displayed the display returns to the OR functions menu Press Action Display Explanation esc To return to the main menu without saving press when standing on the far left di
18. ostituir strumenti difettosi con pezzi nuovi Se dopo ripetuti sforzi VALCOM S r l non si dimostrer in grado di riportare il prodotto ad un buon livello di funzionamento essa potr a sua discrezione rimborsare il prezzo di acquisto o sostituire il prodotto con un nuovo avente le stesse caratteristiche 3 ESCLUSIONI Sono esclusi dai servizi di assistenza in garanzia 3 1 strumenti soggetti ad usura 3 2 difetti risultanti da normale usura 3 3 difetti risultanti da operazioni che non rientrano nei parametri d uso descritti nei manuali d uso 3 4 difetti risultanti dal mancato rispetto delle avvertenze generiche 3 5 difetti risultanti da applicazione prelievo di segnali fuori dai massimi limiti ammessi 3 6 malfunzionamento causato da danni anche se accidentali 4 RESPONSABILITA L utente non ha altre rivendicazioni di garanzia o di risarcimento verso VALCOM S r l che quelle poste in questo documento VALCOM S r l non responsabile per danni incidentali o consequenziali di qualsiasi natura e forma n di alcun tipo di costo aggiuntivo da parte di chiunque per i prodotti ceduti al committente VALCOM S r l non sar responsabile per alcun danno provocato anche per negligenza durante le riparazioni VALCOM S r l e i suoi tecnici di assistenza non saranno responsabili n per danni n per la perdita di eventuali programmazioni introdotte negli strumenti inviati per assistenza 5 COSTI La riparazione
19. r 03 Pr 04 Pr 05 Pr 06 Pr 07 Pr 08 Pr 09 NOTE GPM 1U01 or M Hr 1E01 Sbd 00 00 E000 Tank Height default Resets all interfering signals Solid Liquid device LOOO 00 00 or Flow device F000 00 00 Solid Liquid device Tank Height Pr 02 Flow device 55500 M Hr or 244400 GPM SE 0 Liquid amp Flow Tank Height Pr 02 d000 01 00 S 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 gt To restore the default settings Press Action Display Explanation gt gt Pr 10 Required menu selection DELE YES Reverts all settings to default factory settings 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 fit the pipe nuzzle length to eliminate false echoes and to provide accurate and stable measurement readings gt To shift the blocking distance y y y Follow the directions given for Entering the Tank Height Value page 26 Instead of entering the tank height value enter 00 01 and continue as follows Press Action Explanation Insert this code to enter the Blocking Distance area Shd This message will flash for a few seconds indicating an eh entry to
20. r several efforts VALCOM S r l will not be able to bring the instruments to a good functioning level the company itself could at his own discretion pay back purchase price or replace the product with a new one having same characteristics 3 EXCLUSIONS VALCOM S r l warranty servicing does not cover 3 1 Instruments suffering deterioration 3 2 defects caused by normal deterioration 3 3 defects caused by operations not in accordance to working parameters described in operative manual 3 4 defects caused by not respect of generic warnings 3 5 defects caused by application taking of signal out of max limits admitted 3 6 malfunctioning caused by damages even if accidental 4 RESPONSABILITY User can claim against VALCOM S r l only warranty or compensation conditions stated in this document VALCOM S r l is not responsible of any kind of incidental or consequential damage and is not responsible of any additional cost claimed by anybody for products delivered to the customer VALCOM S r l is not responsible of any damage caused also by negligence during repairs VALCOM S r l and his servicing technicians are not responsible of damages neither for lost of eventual programs introduced in instruments sent for servicing 5 COSTS Instruments for repair have to be shipped carriage free VALCOM Srl factory of Terranova P LO Instruments repaired will be returned Fob VALCOM factory goods travel at buyer
21. rohibited When installing ensure that it is Mounted above the dead zone area NOTE If the device enters the blocking distance dead zone it will not measure correctly Positioned at least 0 5 m 1 64 ft away from the tank walls Perpendicular to the surface of the target Even the slightest difference in angle may affect echo quality i Placed as far as possible from noisy A y 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 Installing on Threaded Flange Thread Free Flange ULG is available in two thread types 2 BSP or 2 NPT ULG can be installed with threaded flange mounting or with thread free flange mounting as shown below Figure 3 Threaded Flange Thread Free Flange Mounting NOTES When installing a thread free flange mounted unit you will need a 2 locking nut to secure the unit inside the tank When installing a threaded flange ensure that it matches the ULG threads gt To install 1 Insert the threaded end of ULG into the aperture at the top of the tank or pipe 2 Bolt ULG into place in one of the following ways Threaded flange mounting Screw the unit into a flange with a threaded 2 hole Thread free mounting Place ULG in the flange and bolt it from within the tank with a 2 locking nut Installing ULG via Extension Pipe
22. s If the level of the measured surface falls within the dead zone area you should use an extension pipe to mount ULG When using an extension pipe ensure that The sensor is positioned in the center of the pipe j The pipe extension is parallel to the side tank walls The internal pipe diameter is at least 3 wide When installing the ULG with extension pipes follow these specifications Pipe Length Internal Pipe Diameter 0 50 m 1 64 ft Sy NOTE It is always recommended to use interference signal feature Pr 03 to locate interfering signals when using an extension pipe Connecting the ULG to a Power Cable Using a connector 1 Remove the retaining screw from the electrical connector Remove the male part Separate the plastic electrical connector shell from the wiring block Connect the 24V wire to Terminal 1 connect the 24V wire to Terminal 2 on the Wiring Block Snap the electrical connector wiring block back into the electrical connector shell Pull the electrical connector to the socket plug and fasten with the retaining screw provided Figure 4 Connector Front View S NOTE The cable for the mating connector must be at least 6 mm in diameter Using a conduit 1 Remove the four retaining screws from the conduit adapter cover 2 Pull the electrical wires through the 1 2 NPT M20 conduit connection 3 Connect the 24V wire to Terminal 1 connect the 24V
23. s total risk and charge Instruments sent for servicing under warranty which should appear correctly functioning will be charged with a cost of Euro 50 00 for checking and management cost Instruments not covered by warranty will be technically verified evaluation costs will be formalized and sent to the Client by Repair Acknowledgement Form Mod CDR In case of non acceptance of quotation instruments will be charged with a cost of min Euro 50 00 up to a max of Euro 250 00 depending on type of apparatus for checking technical test and management 6 MODALITA OPERATIVE DI ASSISTENZA 6 1 Modulo NAR Procedere all imballo e alla spedizione del materiale in porto franco Il materiale deve essere accompagnato dal documento di trasporto Al ricevimento della merce VALCOM Srl assegner un numero di identificazione al reso numero NAR e lo comunicher al cliente Nel caso gli strumenti siano venuti in contatto con sostanze tossiche e o nocive ci deve essere comunicato tempestivamente alla VALCOM Srl al fine di tutelare il personale tecnico addetto alla riparazione 6 2 Solleciti Eventuali solleciti dovranno essere riferiti al numero NAR 7 CONTROVERSIE Qualsiasi controversia dovesse insorgere tra Fornitore e Cliente sar devoluta in via esclusiva alla competenza del Foro di Milano con rinuncia espressa a qualsiasi altra sede di competenza anche in caso di chiamate in garanzia di connessione o continenza di causa
24. tenzione appropriata E pertanto necessario affidare l apparecchiatura a persone che abbiano esperienza con il montaggio la messa in servizio ed il funzionamento e che siano in possesso dei titoli per svolgere la loro attivit con riferimento agli Standard di Sicurezza La Societ si riserva il diritto di modificare il contenuto di questo manuale senza preavviso Introduction This manual does not contain information concerning all type of transmitters or all different installation and or working and mounting solutions For more information or for particular problems not considered in this manual please address to our technical office The warranty period is the one contemplated in our general servicing conditions This warranty is neither increased nor restricted by the contents of this manual Attention This instrument has to be installed and used only by qualified persons who have first checked the correctness of supply voltage so that both in standard working conditions and in presence of damages of the plant or of any part of it no dangerous voltage can reach the instrument As the instrument can be utilized both with high pressure values and with aggressive media it must be considered that an incorrect use of it could bring even serious damages to people and things A correct and safe working needs an adequate transport stock and mounting other than an appropriate maintenance service So it is necessary for th
25. terfering signals false echoes in the memory to avoid having obstructions such as a tank agitator or sidewall interfere with the measurement of the contents Defining interfering signals is done while the tank is empty Echo amplitude Memory stored interferences Real echo Distance Figure 12 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 following values will not be saved NOTES Sy The reading of the actual target height may not be exact for example a target height of 6 m may give a reading in the range 5 98 6 02 The displayed values are in distance units gt gt gt gt gt gt To define interfering signals Press Action Display Pr 03 Sr CH or Bfr After a brief pause ga 3 227 For example Explanation Required menu selection Select Search to locate acoustic interferences or Clear to delete stored interferences Displayed after the selection for 3 seconds and then the menu returns to Pr 03 Temporary display while ULG 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 Press Action Display Explanation
26. the Blocking Distance area For Example Shifts the blocking distance on to 0 75 2 46 ft D ma one YES Saves this entry and returns to Pr 02 Or LE Sy NOTES Shifting of the Blocking Distance is limited to 1 5m 4 9ft The value entered to the Sbd incorporates the Dead Zone Value Pr 10 Clear reverts the blocking distance to its default Echo received from the defined Blocking Distance area will be ignored by the UL nd the measurement result will be based on the next echo When installing via extension pipe add approx 15 cm 5 9 in to the SBD length i e the extension pipe length Make sure that this addition would not overlap with the maximal height of substance being measured Verifying the Version Number In addition to the functions described you can verify the ULG version number gt To verify the version number Follow the directions given for Entering the Tank Height Value page 26 Instead of entering the tank height value enter 00 17 and continue as follows Press Action Display Explanation a YES gt After a brief Addr pause gt Displays the version number Defining 22mA Signal Error Messages ULG allows you to define if the following signal error indications Near Zone and Lost Echo will be active when the current output reaches 22mA The ULG default setting enables 22mA analog current and error messages to appear on its LCD display Near Zone when
27. und 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 ULG 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 gt To enter a gas compensation factor Press Action Display gt Pr 09 CP 0100 Is oa n a For example Or Q NOTES Explanation Required menu selection Default screen Default value Choose a factor from the Gas Factor Table Appendix A Page 75 This is the factor for Ethanol Saves the chosen gas factor S 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 Pre Restoring the Default Settings The Pr10 function allows clearing all user defined settings and reverting to the default factory settings Default factory settings are Pr 00 Pr 02 P
28. uously updated measurement readings The display screen is also used to view menu options function settings and data values accessed by using the function buttons The picture below shows the upper part of ULG LCD display Next button Enter button Back button Escape button Figure 11 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 Selecting functions Progressing to the next step of a function Moving from left to right between displayed digits see note on the following page Saving changes to data Accessing the functions menu when pressed simultaneously with a Exiting the functions menu to restore the distance reading Moving from right to left between displayed digits see note on following page Exiting a function without saving changes Clearing error messages Scrolling through the functions menu Scrolling through available data values in functions NEXT button only Recording interfering signals S 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 for example 15 00 In this case the ENT and ESC buttons enable you to move between the digits Each flashing digit can be modifie
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