CAPVEL-LP : User Manual & Datasheet Contact level
Contents
1. 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 f User Manual amp Datasheet E 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 Zi jf LJP E Figure 8 Flange Connection NOTE e When Installing threaded connection please ensure to have matching socket available at site e 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 Calibration amp error indication LEDs C2. 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 INLET A HIGH LEVEL Y_LOW LEVEL H HEIGHT Figure 12 Low Level Calibration INLET HIGH LEVEL CALIBRATION mA SPAN LOW LEVEL H HEIGHT Figure 13 High Level Calibration SAPCON Instruments Pvt Ltd User Manual amp Datasheet 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
3. 2 CAST AL HOUSING o MOUNTING FLANGE REFERENCE ROPE SENSING ROPE am E O Z al al Am O p A WEIGHT SS Yo gt Figure 1 CAPVEL LP Back View Flange Mounting Rope Construction Dimensions are in mm 85 EEE 90 CAST AL HOUSING 85 MOUNTING THREADS SENSE ROD SS 304 STILL WELL TUBE PROBE LENGTH PLUG SEAL Figure 2 CAPVEL LP Side View Threaded Mounting Rod Construction Dimensions are in mm 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 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
4. 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 assigned to 100 capacitance High Level 3 CAPVEL 2 Wire Loop Powered Capacitance Level Transmitter LED1 LED2 a 4 y ESC UP DOWN ENTER 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 5 Enter To enter in to PROGRAMMING MODE Esc To EXIT from programming mode without saving the data 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 F
5. Level Calibration 9 SAPCON Instruments Pvt Ltd 3 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 or 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 47 EDM of Fu
6. Pvt Ltd Mm gt vu is e z User Manual amp Datasheet INLET O CAST AL HOUSING 0D f METALLIC TANK E T SENSE PROBE Q x z E T Figure 3 Mounting Regular Metallic Tanks oO CAsT AL HOUSING NON METALLIC TANK RCC SYNTEX GROUNDING STILL WELL TUBE H HEIGHT Figure 4 For Non Metallic Tanks EJ 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 7 2 Mounting with Process connections YAW 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 Tank H HEIGHT 1 Infront of the Inlet 2 Not Perpendicular to Liquid Figure 5 Incorrect Method of Mounting INLET STILL WELL TUBE TANL WALL H HEIGHT STIRRER Figure 6 In Agitator Tank tube Please ensure a matching socket is available to tighten threads in the tank
7. SAPCON 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 11 11 Warranty Instrument is manufactured as per the purchase order specification Standard guarantee for twelve months 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 12 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 salesOsapcon in SAPCON Instruments Pvt Ltd 12
8. CAPVEL LP User Manual 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 LIO Cuco amas caes ar ee ae eee ERA AA 2 Operating Printipl se sesa canarias aa A 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 7 Guidelines 2 a 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 RR ee RG ek me es Lc Electrical Connections gt s s ara PRR
9. Ree eh ee bee ee eR ER oS 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 2 a 8 Calibration Proc ed re s s ss ses astia GOS RE Roe ew eee eRe wee eee ee LONDON lt s s ss dass orar AAA sd 0 2 Programming Features cion o eee een dy ss 8 3 Programming Procedure aa a 8 3 1 Programming STEPS a 244 eras e A ew Pw 9 8 3 2 Indirect Calibration a aa a 10 9 Error Indication amp Remedies a 10 10 Handling Precaution lt gt o eee roer 10 LAVAMANOS 2 ao isso eee ee we Rae ee eee eee eae eae e 12 12 Customer service kai ew te db Ow ERE RO ERE ee dadas 12 O 0 00 00 00 Y Y an Ioaonj n an aa xt Ps A fa HSH HSH HF SAPCONO Instruments Pvt Lid 2 User Manual amp Datasheet List of Figures List of Tables 1 CAPVEL LP Back View 5 1 General Specifications 4 2 CAPVEL LP Side View 5 2 Mechanical Specifcations 4 3 Mounting Regular Metallic Tanks 6 3 Electrical Specifications 4 4 For Non Metallic Tanks 6 4 Output Specifications 4 5 Incorrect Method of Mounting 6 5 Key Operations 8 6 In Agitator Tank 6 6 Error Indications amp Remedies 11 7 Threaded Connection 7 8 Flange Connection 7 9 Electrical TOP Panel 7 10 Input Supply Connections 8 11 4 20 mA Connections Active PLC 8 12 Low Level Calibration 9 13 High
10. alibration amp error indication LEDs CAPVEL fm 2 Wire Loop Powered Capacitance Level Transmitter LED1 LED2 lt 4 DOWN ENTER 4 UP SUPPLY 24V S50VDC Calibration settings Calibration settings buttons buttons Supply 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
11. ault 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 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 ad Both the LED will blink and sensor will exit from programming mode You can press ESC key any where if you do not want to save the mA count
12. ll Scale 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 24 50 V DC 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 status 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 Distilleries Utilities Vehicle tracking system 6 Dimensional Layout 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
13. 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 RIGHT 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 Error Indication amp Remedies q CAPVEL LP has some external mode of checks to identify malfunctions or incorrect operating con diti
14. ons 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 6 A e 10 Handling Precaution i gt 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 settings 6 Do not remove electronics from probe unless needed or to change it SAPCON Instruments Pvt Ltd 10 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 1 and LED2 continue ON LED 1 Two Times Blinking with 300ms Delay LED2 times then delay LED1 times then Delay LED2 times then delay Alternate LED1 and LED2 blinking in 1 seconds Calibration Error Probes are SHORT Circuited OVER tance Capaci CAPACI TWO blinking 500ms Under TANCE Thee blinking 500ms Internal Reference got open circuited three blinking 500ms Internal Reference got short circuited Hardware Failure Current Out put User Manual amp Datasheet Error on SERIAL ECAL Table 6 Error Indications amp Remedies SAPCON Instruments Pvt Ltd
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