CAPVEL-LP : User Manual & Datasheet Contact level
Contents
1. Supply amp Output Loop Powered Figure 9 Electrical TOP Panel SAPCON Instruments Pvt Ltd User Manual amp Datasheet i Wiring Diagram for Power Supply CAPVEL LP comes with DC Power Supply Range of 24 50 VDC As this is a two wire system the same terminal will be used for getting 4 20mA out put Refer figure 10 Follow the steps mentioned below for connection 1 Connect the available DC supply from PLC or external supply to PUT 1 and 2 for respective positive V and negative V 2 If available you can connect multimeter or out put source in series with same loop as It will carry the output 4 20mA also SENSOR 4 20mA O P SUPPLY 24 50 V DC 800 Ohm Figure 10 Input Supply Connections y Wiring Diagram for 4 20 mA Output CAPVEL LP can be connected with only active PLCs as it require supply source from the same device Kindly follow the steps mentioned below FOR ACTIVE PLC 1 Connect the PLC s and to PUT 1 and 2 respectively Refer fig 11 2 You can also connect a Multimeter or a Digital indicator in series with the PLC for display 8 Calibration Procedure CAPVEL LP is not measuring level directly its basic element is to measure two different level as HIGH and LOW between this the device is giving the output Current output is proportional to the capacitance level percentage 4mA is assigned to the 0 capacitance percentage low level 20mA is assi2. Figure 5 Incorrect Method of Mounting STILL WELL TUBE H HEIGHT STIRRER Figure 6 In Agitator Tank tube Please ensure a matching socket is available to tighten threads in the tank To install CAPVEL LP insert the thread end of probe into the aperture at the top of the tank Refer Figure 7 SAPCON Instruments Pvt Ltd Figure 7 Threaded Connection Y Flange Mountings CAPVEL LP is also available with a flange connection as per your requirement The material is of MS SS is available The flange size is available from 1 1 2 to various sizes depending on the tank construction Refer Figure 8 Figure 8 Flange Connection User Manual amp Datasheet NOTE e When Installing threaded connection please ensure to have matching socket avallable at site When Installing a threaded flange ensure that it matches the mounting threads of the sensor unit Tighten the thread by RELEVANT TOOL When tightening the thread hold the upper part of the unit and make sure that the seal is leak proof Electrical Connections There are 02 PUTs available including supply output and ground connection in CAPVEL LP As this is a loop powered model there is no seperate terminals required for external power supply Refer figure 9 for details NOTE Please refer to the connection diagram for your model before connecting the device Sa e LED1 LED2 Calibration settings buttons
3. For Turbulance SCA For Scale calibration Follow the below steps for DIS PLAY SETTING 1 Press textbfEN TER key going to programming mode The Icd display will show textbfCAL Then press DOWN key 2 You will see the menu dis on LCD screen 3 Press ENTER to see the sub menu 4 Here you will get two different options as AMP and PER this shows the readings to be display in m or in percentage SAPCON Instruments Pvt Ltd 11 User Manual amp Datasheet 5 Press ENTER on the option you want con troller will save the command and exit auto matically Now for CAPVEL LP LCD display Communica tion setting please follow the below steps 1 Press ENTER key to see the submenu when Icd show COM 2 Here you will get three submenu like id Flo and dur You can set these submenu as per your requirement Similarly for Turbulence Settings follow the be low steps 1 Press ENTER to see the submenu when lcd shows trb 2 Here you will get tbl tb9 3 You can set the turbulence value from i to 9 In case of turbulence 4 It limits the output fluctuation and gives the average value of current fluctuation CAPVEL LP is also available with a feature of SCAL FACTOR which means you can set you desire level at any point by giving the percentage value as per your need For eg you want a perticular level at 80 of total span you can set it by SCAL H Similarly you can set a semi low level limit b
4. Keys has been described in table 6 Enter To enter in to PROGRAMMING ENS MODE orto Save the Setting Esc To EXIT from programming mode P crane with saving te date To set HIGH CALIBRATION point P Serling temen To set LOW CALIBRATION point DOM Serling tete Table 6 Key Operations for CAPVEL LP LCD dis play e 4mA output current Direct assignment to the minimum 0 level SAPCON Instruments Pvt Ltd 10 WA Programming Features For LCD Display User Manual amp Datasheet e 20mA output current Direct assignment to the maximum 100 level e 4 mA output current indirect assignment to the minimum 0 level by means of an in termediate level lt is defined by SCALE CALIB option e Through SCALE CALIB feature you can set 20 mA output current Indirect assignment to the maximum 100 level by means of an interme diate level e Fault indication by current output 21mA e Reset to the Factory Default After connecting power supply LCD will ON and it will show CAP LP VER or else it will show CALIB Error If LCD is running properly it means device has got sufficient power to run then it will come on Normal mode Programming Procedure As CAPVEL LP is two wire system it has now included with LCD display with minimum power consumtion Now you can look in to the LCD display for various calibration settings Programming Steps CAPVEL LP can be easily programmed by the two po
5. rod without reference grounding tube is sufficient if the material is of high dielectric constant In case of oil diesel Material of low dielec tric and tank diameter is big keep the distance of sensing rod closer to tank wall For Regular Non Meatallic tanks In case of non metallic lined tanks there is always a need of reference elecrode lt can be in form of reference probe or still well grounding tube Reference probe is generally recommended for corrosive liquids while still well tube will be suitable to avoid turbulance of liquid It will help to provide better readings SAPCON Instruments Pvt Ltd User Manual amp Datasheet INLET HS CAST AL HOUSING i METALLIC TANK SENSE PROBE H HEIGHT Figure 3 Mounting Regular Metallic Tanks SICAST AL HOUSING NON METALLIC TANK RCC SYNTEX GROUNDING STILL WELL TUBE H HEIGHT Figure 4 For Non Metallic Tanks Tanks contain Stirrer or Agitator If the agitator is present in the tank preferably mount the sensor in centre between agitator blade and side wall Always prefer to have sensor with still well rod to avoid turbulance Refer Figure 6 Mounting with Process connections DAN Threaded Mountings CAPVEL LP is available with BSP NPT threaded connection of various size Generally 1 1 2 BSP consider as a standard mounting size with still well 1 Infront of the Inlet 2 Not Perpendicular to Liquid
6. s are healthy 3 Programming Procedure As CAPVEL LP is two wire system it does not include any display because of the power consumtion limitations You can look in to the LED s status to find the calibration settings 1 Programming Steps CAPVEL LP can be easily programmed by the two point calibration settings Although the device is factory set but it is always recommended to cal ibrate the instrument in the original service material Follow the below steps to calibrate CAPVEL LP over a required span 1 Press ENTER key up to 5 sec to go in to pro grammming mode 2 Now For low level calibration set the material level at desired set point and press DOWN key 3 The right LED will blink to save 4mA count 4 Immediately both the LEDs will blink and sen sor will exit from programming mode AUTO EXIT FUNCTION 5 Similarly for HIGH LEVEL CALIBRATION fill the material at desired high level point 6 Press ENTER for 5 seconds to go in to pro gramming mode 7 Press UP key once the LEFT key will blink to save the 20mA count 8 Both the LED will blink and sensor will exit from programming mode 9 You can press ESC key any where if you do not want to save the mA count 10 11 Sensor will exit from programming mode with out saving the mA counts Now the CAPVEL LP has been calibrated over a required SPAN A HIGH LEVEL LOW LEVEL H HEIGHT Figure 12 Low Level Calibration A HI
7. CAPVEL LP User Manual amp Datasheet Contact level transmitter based on capacitance measurement SAPCON Grown to meet challenges SAPCON Instruments Pvt Ltd ISO 9001 2008 ISO 14001 and ISO 22000 Certified Company Address 131 Palshikar Colony Indore 452004 India Phone 91 731 4757575 Fax 91 731 2475475 email salesOsapcon in web www sapconinstruments com User Manual amp Datasheet Contents LL IMERSCUCUON eat Gk Aare a ee eR RRR RHEE EEE ee eRe Ee A 2 Operating Printipl se sesa bo ede ee wd he ee eee eee ee i SPECIES sa aries os as ee ow ae oe ee eh ee ee eG Pope CICANONS oa baw oer bh oa Ch eee ee eae eer awd eee ene Gage aS ee Ge 4 1 General Specifications 4444 use dee a Re REE Be RE HORE EE 4 2 Mechanical Specifications 2 a a a a 4 3 Electrical Specifications lt 0 lt 6 ieee aw we Pee BED Pe ewe ee Ke 4 4 Output Specifications 2 a a a a 5 Application Note ewn bee dhage ee weER sas ERE ED 6 Dimensional Layout 22 eck ack aee dae eH SARESEREREEHE a T Guidelines e e sbaderwtdeescibbecteo bid eevee a FL Tank Mounting Installations 2 2285 iee 44 4b ee bb be a 7 1 1 For Regular Metallic Tank e 7 1 2 For Regular Non Meatallic tanks 2 e 7 1 3 Tanks contain Stirrer or Agitator 2 aa a a a 7 2 Mounting with Process connections a e 1 2 1 Threaded Mountings lt e eres ras P22 Flange Mountings 2 w ne ke ewe eh ee R
8. GH LEVEL CALIBRATION mA SPAN LOW LEVEL HEIGHT H Figure 13 High Level Calibration SAPCON Instruments Pvt Ltd User Manual amp Datasheet p Indirect Calibration If the tank is partially filled there is a provision in CAPVEL LP of INDIRECT ASSIGNMENT of minimum and maximum level to the output current with partially filled tanks mA by x 16 x 100 4 Indirect assignment requires the output current to be measured with higher accuracy A current meter should be inserted in the 4 20 mA loop before starting calibration Assuming a tank filled up to 15 approximately and the task is to accomplish indirect assignment of low level to 4 mA the proce dure is the following Since the current output at the level of 20 is lout 16 mA x 0 20 4 mA 7 2 mA the current output should be changed with the keys up Down until the value of 7 2 appears on the current meter This procedure should be repeated with another higher level for indirect assignment of 20 mA to the maximum level Obviously for the sake of greater accuracy it is not even sure whether the assumption of 20 is correct the direct assignment should be carried out as soon as possible Please follow the below steps to set Partial Low Level for partially filled tanks 1 Press DOWN key and keep it pressed there will not be any change in LED s state 2 Press ESC key and keep it pressed then release both the keys 3 R
9. IGHT LED will blink Now CAPVEL LP is in Indirect Programming mode 4 Set output current with UP and DOWN keys to the required values 5 Please note that the current meter should be inserted in 4 20mA loop 6 Press ENTER key Right LED will blink to save the 4mA count 7 Both the LED will blink and device will exit from programming mode Now follow the below steps to set Partial High Level for partially filled tanks 1 Press UP key and keep it pressed there will not be any change in LED s state 2 Press ESC key and keep it pressed then release both the keys 3 LEFT LED will blink Now CAPVEL LP is in Indirect Programming mode 4 Set output current with UP and DOWN keys to the required values 5 Please note that the current meter should be inserted in 4 20mA loop 6 Press ENTER key Left LED will blink to save the 20mA count 7 Both the LED will blink and device will exit from programming mode 9 Calibration Procedure with LCD Display CAPVEL LP is available in display also The similar two wire system has been established with an additional feature of LCD display to show the readings on display Current output is proportional to the capacitance level percentage 4mA is assigned to the O capacitance percentage low level 20mA is assigned to 100 capacitance High Level Current output of the fault indication is 21mA with a delay of 5 seconds 1 Key Operations General usage of
10. R ee RG ek me es T 3 Electrical Connections as s 24 pea Ge ba eee dirada bb teenie bandas wes 7 3 1 Wiring Diagram for Power Supply 2 2 0 2 2 a 7 3 2 Wiring Diagram for 4 20 mA Output 2 2 a 8 Calibration Procedure eo ea ye Gaede SEDER ORES D ee SRE sa Oot Wer OPerationS lt s s ss das orar AAA dass 0 2 Programming Features cion 464445 e8e45 5 ss 8 3 Programming Procedure aa 8 3 1 Programming STEPS a rd sra ss A ewe Pw 9 8 3 2 Indirect Calibration a 10 9 Calibration Procedure with LCD Display 2 0 0 0 0 00 2 10 0 1 Key Operations 2 2 6224 5 et6 5 ee eRe Ewe De bee we e 10 9 2 Programming Features For LCD Display 2 2 0 00 ee 10 9 3 Programming Procedure sciences sa se eee ERE oe Ee Eo Os 11 9 3 1 Programming Steps aoaaa a ete eb RE REE YO ERE EERE Ree REE GS 11 10 Error Indication amp Remedies 2 1 2 2 a a a a a 12 11 Handling Precaution oaoa a a 12 FALCO dedos aa eee ke ee eee hee ee E E E E E S 16 13 Customer service Ake aaa a a 16 O 0 00 00 00 00 N N OACAOAOAAAA 0 0o OA A A A A Ps a SAPCON Instruments Pvt Ltd 2 User Manual amp Datasheet List of Figures CAPVEL LP Back View CAPVEL LP Side View Mounting Regular Metallic Tanks For Non Metallic Tanks Incorrect Method of Mounting In Agitator Tank 2 Threaded Connection Flange Connection Electrical TOP Panel Input Su
11. ault in mAmp output 21 Fault in mAmp output 21 Table 8 Error Display amp Remeady for CAPVEL LP LCD display SAPCON Instruments Pvt Ltd 14 CODE ERROR Descrip LED Blinking tion Alternatively LED 1 and LED 2 two times Blinking Probes are OPEN LED 1 and circuited LED2 Blinking in 1 sec LED i LED2 continue ON LED i Two Times Blinking with 300ms Delay LED2 times then delay LED times then Delay LED2 times then delay Alternate LED and LED2 blinking in seconds Calibration Error Probes are SHORT Circuited OVER tance Capaci Under TANCE CAPACI TWO blinking 500ms Thee blinking 500ms Internal Reference got open circuited three blinking 500ms Internal Reference got short circuited Hardware Failure 4 d Current Out put 2imA 2imA User Manual amp Datasheet Error on SERIAL ECAL TROUBLE SHOOTING Calibration IS wrong please re calibrate correctly Check the probes with multimeter Check the probes with Multi Meter Tank and Probe Dimensions are not matched Tank and Probe Dimensions are not macthed in Internal Fault sensor Internal Fault in sensor Contact services Table 9 Error Indications amp Remedies for CAPVEL LP LED Indication SAPCON Instruments Pvt Ltd 15 12 Warranty Instrument is manufactured as per the purchase order specification Standard guarantee for twelve months
12. from the date of commissioning or eighteen months from the date of supply Which ever is earlier Guarantee is against manufacturing defects We undertake to correct such defects which are due to workmanship at our expenses Instrument should be forwarded to us on freight paid basis with seals unbroken The guarantee is valid for our customer and does not extent to third parties or caused by mishandling accident or abnormal conditions User Manual amp Datasheet 13 Customer service If you require any assistance or support feel free to contact us at given below address along with fol lowing information e Instrument Model and serial no e Purchase order no and date e Problem observed SAPCON INSTRUMENTS P LIMITED 131 PALSHIKAR COLONY INDORE M P 452004 0731 4757575 sales sapcon in SAPCON Instruments Pvt Ltd 16
13. gned to 100 capacitance High Level 3 CAPVEL 2 Wire Loop Powered 5 Capacitance Level Transmitter LED1 LED2 y e m DOWN ENTER VER 1 3 capacitance 20PF 3000PF 4 20mA Supply 24 50v DC 800 Ohm Figure 11 4 20 mA Connections Active PLC Current output of the fault indication is 21mA with a delay of 5 seconds Current output can be programmed for inverse operation 4mA 100 full 20mA 0 empty 3 1 Key Operations General usage of Keys has been described in table 6 To enter in to PROGRAMMING MODE Esc To EXIT from programming mode without saving the data Enter Up To set HIGH CALIBRATION point Down To set LOW CALIBRATION point Table 5 Key Operations Programming Features e 4mA output current Direct assignment to the minimum 0 level e 20mA output current Direct assignment to the maximum 100 level e 4 mA output current indirect assignment to the minimum 0 level by means of an inter mediate level SAPCON Instruments Pvt Ltd User Manual amp Datasheet e 20 mA output current Indirect assignment to the maximum 100 level by means of an in termediate level e Fault indication by current output 21mA e Reset to the Factory Default After connecting power supply both the LED s will glow simultaneously for few microsecond lIt shows the device has got the sufficient power to run and both the LED
14. int calibration settings Although the device is factory set but it is always recommended to cal ibrate the instrument in the original service material Follow the below steps to calibrate CAPVEL LP with LCD display over a required span 1 Press ENTER key to go in to programmming mode The Icd dislpay will show CAL PGM 2sec then CAL 2 Now again press ENTER key The LCD dis play will show HI It is ready for High Calibra tion 3 For high level calibration set the material level at required set point then press ENTER key Display will show HI CAL SAVE and return to high calibration 4 For low calibration press DOWN key The LCD display will show Lo It is ready for Low cali bration 5 For low level calibration set the material level at required set point then press ENTER key The led display will how Lo CAL SAVE and return to low calibration 6 Press ESC to exit from programming mode Display Show CAL 7 Again press ESC key to exit from programming mode The Icd display show the level of the ma terial per mA 8 Now the CAPVEL LP LCD display has been calibrated over a required SPAN CAPVEL 2 Wir Capacitance Level Transmitter 4 20mA Supply 24 50V DC E 800 ohm Figure 14 Connection with PLC There are some more features which is available with CAPVEL LP Lcd display to show various types of settings like dis For display Per mA COM For communication trb
15. ling the system SAPCON Instruments Pvt Ltd 12 User Manual amp Datasheet ere CHANGE DESCRIPTION REMARK Acabion HI High Calibration Press UP key Lo Low Calibration Press DOWN key DIS Ds o Per Amp Display option PER Percent age AMP Mili m COM SoM tema the ct to Z 0 9 Seaman s cation RS 485 Network CMD Aut Flow Control CMD For com mand mode Aut Auto mode as per define duration Dur S00 S99 SUR Duration in seconds 2 for auto mode TRE TRE TB9 Turbulence immu DO IE SSI SCA ee Factor SCH H40 H99 Higher SCALE oi LEVEL must be 20 more higher than SCAL LOW LOO L60 Lower SCALE LEVEL Table 7 User Menu for CAPVEL LP LCD display SAPCON Instruments Pvt Ltd 13 User Manual amp Datasheet CODE ERROR ERROR Description Troubleshooting DISPLAY Probe are OPEN cir cuited Probe are SHORT cir Check the probes cuited with Multimeter Calibration Error Over Capacitance Under Capacitance Internal reference got O Internal Reference got AA ATA Calibration IS wrong please re caliibrate correctly Tank and probe di mensions are not matching Tank and Probe dimensions are not matching Internal sensor Internal sensor Internal sensor m mp output 21mA mAmp 21mAmp mAmp 21mAmp Check the probe with multimeter output output mAmp 21mAmp output mAmp 21mAmp output fault in mAmp output 21 f
16. pply Connections 4 20 mA Connections Active PLC Low Level Calibration High Level Calibration Connection with PLC COND OF E O NN FE e emae oO WwW Ne O e O O CO CON NN O O OF OY ON Ol E P ER List of Tables Hook WN FE General Specifications Mechanical Specifcations Electrical Specifications Output Specifications Key Operations Key Operations for CAPVEL LP LCD display 2422226464 2 User Menu for CAPVEL LP LCD dis DIY ge hee eee oe eG Error Display amp Remeady for CAPVEL LP LCD display Error Indications amp Remedies for CAPVEL LP LED Indication co A A A gt A 10 13 14 15 SAPCON Instruments Pvt Ltd User Manual amp Datasheet CAPVEL LP is a capacitance based continuous level transmitter It consist of a sensing rod and electronic insert In case of non metallic tank or tank contains turbulant liquid there is provision to give still well tube CAPVEL LP is compact and easy to install measuring device and is suitable for all conductive and non conductive liquids 3 CAPVEL LP is composed of specially developed Capacitance Change Gauging circuit It uses fast RISC based processor to perform all the complicated jobs of evaluating the Level out of the capacitance This capacitance is formed by the sense Rod and the metallic container wall Where containers are non metallic or not uniformally wide o
17. r having turbulent fluid a metallic stilling well is provided The amount of capacitance is propor tional to the level of material between the sense rod and metallic wall of stilling tube or container 1 Introduction 2 Operating Principle 3 Features Power Supply 24 50 VDC e 4 20 mA Loop Powered 2 Wire Temperature Durablility Up to 60 C High Temperatur Model on demand e Internal Temeperature Compensation e Easy two point calibration setting suitable for wide range of liquids Low cabling cost 4 Specifications ss gt General Specifications Mechanical Specifications Electrical Specifications 4 2 EIV of Full Seale 0 5 of Total Span 3 sec typical Zero Table 1 General Specifications as per results obtained under standard operating conditions IP 65 Cast Aluminium Cable Entry 2 x 1 2 BSP NPT Brass Operating Suitable up to 10 bar Prose fo Mounting 1 1 2 BSP NPT Threaded Flange mounting available on de mand Refer figure 1 and 2 Gland type Single Double compression gland PG 13 5 Table 2 Mechanical Specifcations Internal Enclosure ABS plastic Supply 50 V DC 24 Operating 0 to 80 Probe Current 20mA maximum commen Table 3 Electrical Specifications 4 4 Output Specifications 4 20 mA Galvanically isolated not isolated 2 Wire Loop Power RS 485 Optional Analog Sensor Two LED s for statu
18. s indication ion Digital Data and Data With RS 485 Model Optional Table 4 Output Specifications Device is compatible with GSM GPRS system SAPCON Instruments Pvt Ltd User Manual amp Datasheet 5 Application Note CAPVEL LP is suitable for the following sets of applications e Water treatment plants e Pharmaceutical amp Dairy e Fuel level sensing Breweries amp Distilleries Utilities Vehicle tracking system 6 Dimensional L lt In figure 1 and 2 you can see dimensional layout of CAPVEL level transmitter Figure 1 and 2 are showing back view and the side view of the instrument respectively 85 ETA 2 CAST AL HOUSING A O A MOUNTING FLANGE REFERENCE ROPE T SENSING ROPE E O Z fr al Am O p A WEIGHT SS Yo gt Figure 1 CAPVEL LP Back View Flange Mounting Rope Construction Dimensions are in mm a5 Pr rc i Dm a 1 MOUNTING THREADS SENSE ROD 55 304 E STILL WELL TUBE E 4 16 pen lO EE EL o PLUG SEAL y I Figure 2 CAPVEL LP Side View Threaded Mounting Rod Construction Dimensions are in mm 7 1 Tank Mounting Installations For Regular Metallic Tank Always mount the sensor perpendicular to the liquid surface and keep the sensor rod closer to tank wall Generally for metallic tanks single sensor
19. y SCAL L Follow the below steps to use this feature 1 Press DOWN key four times and come to the option SCA 2 Press ENTER key the LCD will show SCH 3 Press ENTER again LCD will show H 80 4 Now set the desire semi high level limit say 70 H 70 5 Press ENTER to save the value 6 Now Press DOWN key to show SCL 7 Repeat the same procedure with low level set ting and press ENTER to save 10 Error Indication amp Remedies oy CAPVEL LP has some external mode of checks to identify malfunctions or incorrect operating con ditions The LED indicates the error messages as per the operating condition Also if an er ror is identified CAPVEL LP changes its analog output to 21 mA Refer Table 9 The LCD indicates the error message as per the operating condition Also if an error is identified CAPVEL LP LCD changes its analog output value to 21mA Refer Table 8 11 Handling Precaution 1 Install the instrument as per given in mounting arrangement diagrams 2 Do not Mount the instrument from side of the tank Always avoid horizontal positions 3 Mounting threads should tightened properly 4 Always choose a still well option in case of tur bulance in tank 5 Ensure the proper connection amp settings 6 Do not remove electronics from probe unless needed or to change it 7 Check the continuity between probe ground amp tank ground Metallic Tank 8 Read the instruction manual before instal
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