User Manual & Datasheet V 2.3
Contents
1. 9 10 Figure 5 Electrical Top panel acid based pastes etc Coat Endure needs to be calibrated with the application material This will make the instrument specific to the application ma terial i e if the application material is changed cal ibration should be repeated Note Calibration in air is specfic to the tank if the tank changes the instrument needs to be calibrated again 7 1 Calibration for non conductive materials Coat Endure needs to be calibrated inside the empty process tank i e only air no material Calibrating the in strument outside the tank can cause malfunctions Once calibrated inside the empty tank Coat Endure can oper ate with a wide range of application materials without the need of changing its default senstivity settings 1 Make sure that all DIP switches are in the Open position 2 To start with the calibration set the CALIB switch to close position Close is opposite of OPEN for DIP switch 3 Make sure that the Status LED is not blinking A blinking LED here indicates Error 4 Then press ENTER the Status LED will blink once in RED color 5 Now set the CALIB switch back to OPEN position 6 Air calibration for Coat Endure is now complete Now test the calibration by filling in the material or draining it out from the tank Repeat the filling and draining to confirm proper operation of the device Note For certain application materials Coat Endure might need2. compact silos and packaging machines where material has a tendency to stick on the probe 2 Operating Principle Coat Endure is an improvement over traditional principle of admittance The ring type probe has an alternating active and an inactive region which collectively help the controller to calculate the extent of coating on the probe In effect the device is able to identify the differential coating between the sense and the shield by measuring their individual capacitances As the coating immunity is controlled by the on board microcontroller the extent of coating immunity can be set easily 3 Features e Universal Power Supply of 18 55 V DC amp 90 265 V AC on the same terminal e Compact and customizable probe size e Passive shielding compensation with adjustable coating immunity e Output options Relay PNP amp Analog e High temperature probe suitable for applications up to 200 Deg C e Self diagnosis for probe and electronics e Popular with a wide range of materials low to high dielectric conductive materials 4 Dimesional Layout Dimensional drawing for a probe length of 100 mm is shown in Figure 1 The dimensions shown in Figure 1 can vary depending on the probe length and the mounting arrangment A dimensional draw ing for your order can be made avaliable on request 5 Technical Specifications 5 1 Electrical Specifications For electrical specfications please refer to Table 2 5 2 Mechanical Sp
3. instrument will change with the models Please refer to Figure 4 and the pre cautions mentioned below before connecting the device Precautions for connecting Coat Endure e Power Supply Rating Make sure the power supplied to the instrument is within the specified range mentioned in Table 2 e Connect Earth When supplying AC power please make sure that the grounding screw on the housing and the earth terminal are all connected to the plant s earth e Power Supply Fluctuations amp Noise External noise or flucating power supplies could af fect performace and shorten the life of the instru ment Use external line suppressors and fuse wires to contain the risk of damage to the circuit 7 Calibration amp Settings The DIP switches for calibration and settings can be accesed by opening the top aluminium cover Refer to Figure 5 for information on DIP swtiches Procedure for calibration Coat Endure depends on the conductivity of the application material e Calibration for non conductive materials Calibration should be done without the application material Once calibrated in the empty tank the de vice can be used with a wide range of non conductive materials e Calibration for conductive materials For applications using conductive materials water User Manual amp Datasheet V 2 3 Coat Endure APCON COVER UNCOV CALIBRATE NCO 2d Ve FAILSAFE VDC REAGE 90 265 INC C NO OUT VCe 1 2 3 415 6 718
4. OVER Dalay ae ee ee ee a ESP m EMR Ee Gee eS 9 7 5 UNCOVER Delay a woe hee AREA 9 7 6 Fail safe Selection a a 9 LI Error TROICACION lt gt co eke ER ORES EE HERE EEO KEES 9 Ae AE 10 m Sapcon Instruments Pvt Ltd 2 r Why gt v W z Ll Coat Endure User Manual amp Datasheet V 2 3 List of Figures Dimensional Layout Front View Dimensional Layout Top Mounting Dimensional Layout Side Mounting Electrical Top panel Electrical Connections By Ol GTN rR l IN IN fo List of Tables 2 Electrical Specifications 6 3 Mechanical Specifcations 6 4 Switching Sensitivity 9 5 Error Indications ir bose 4 HS 10 Sapcon Instruments Pvt Ltd Coat Endure User Manual amp Datasheet V 2 3 Revision History Revision Date Author s Description 10 E 12 2 0 2 1 2 2 i 3 25 Apr 2014 RNDI 10 May 2014 RND1 Conductive Coat Endure 2 23 April 2015 RND2 Connection Diagrams updated as per Omni box insert em Sapcon Instruments Pvt Ltd 4 17 f v Coat Endure User Manual amp Datasheet V 2 3 1 Introduction Coat Endure is a microcontroller based compact coat immune capacitance level limit switch It is a compact level switch which is suitable for sticky solids pastes and slurries The device is specially suited for
5. an adjustment to its settings Refer to Section Sensitivity Adjustment for more details 7 2 Calibration for conductive materials Fill the tank with the application material such that the probe is completely covered with the material Sapcon Instruments Pvt Ltd Coat Endure User Manual amp Datasheet V 2 3 HL Nel kohe NO eses 90 TO 265VAC 24 TO 55VDC Line Neutral Earth Earth a Powering the device ponen 150 Z 0 emer A Above applies irrespective of falisafe Alarm position for covd in high failsafe 4 Alarm sei for uncov in low failsafe RED ALARM Pole C GREEN NORMAL High failsafe FAILSAFE switch open Low failsafe FAILSAFE switch closed NC b Relay Connections E RELI PNP C TNO JouT RS485 67 819 10 GREEN PNP collector output can drive loads upto 90mA at 24V PNP Output Internally Isolated EA c PNP isolated output connections Figure 4 Electrical Connections Connection Diagrams for different outputs are mentioned above As per your model select a connection diagram and connect the device 1 Make sure that all DIP switches are in the Open position 2 To start with the calibration set the CALIB and COVER switches to close position Close is opposite of OPEN for DIP switch 3 Make sure that the Status LED is not blinking a blinking LED here
6. brate the instrument make sure that the probe is calibrated in an empty metal body tank Moisture deposition in the probe connector Clean the connector and use the in strument Remove the electronic in sert from the housing and check the cable connections of the probe 3 times GREEN Illegal Key combina Switch all DIP switches to Blinking amp one Red tion Blink 3 times RED Blink Circuit Error ing amp one GREEN Blink open position Use only le gal combination of keys Contact the Customer Sup port department at Sapcon Table 5 Error Indications Error Indication On error the Status LED starts blink ing RED and GREEN alternately at a faster rate Normal LED blinks are always at the rate of 1 blink per second in either RED or GREEN colour In some cases a GREEN or a RED blinking could indicate an error Refer to Table 5 for a list of errors and their indication Nature of error 1 Incomplete calibration 2 Low capacitance To avoid errors 1 Always complete the calibration by putting the CALIB switch back to OPEN position This can be done within 2 minutes of releasing ENTER for the last time for calibration purpose 2 Always complete the delay settings by putting the DELAY switches back to OPEN position This can be done within 2 minutes of releasing the ENTER for DELAY setting purpose 3 Make sure that only 1 one switch is at the CLOSE position amongst the CALIB COVER and UNCOV
7. e the probe from the material until the other switch point is acheived The Status LED will start blinking GREEN to indicate that the uncover switch point is reached It will blink for the number of seconds for which the uncover delay is set 7 0 Fail safe Selection In Coat Endure fail safe is applied as soon as its DIP switch is set for the required fail safe operation When fail safe is set to HIGH default Fail safe switch is OPEN 1 Relay ON When not in contact with the material LED turns RED 2 Relay OFF When in contact with the material LED turns GREEN When fail safe is set to LOW The operation is re versed Fail safe switch is CLOSED 1 Relay ON When in contact with the material LED turns RED 2 Relay OFF When not in contact with the material LED turns GREEN Irrespective of the fail safe value the color of the blink ing LED when the cover and uncover delays are SET will be e RED Cover Delay e GREEN Uncover Delay 7 7 Error Indication In Coat Endure errors are indicative of operators mis handling of the instrument These are provided to ensure proper setting and protection of the instrument em Sapcon Instruments Pvt Ltd 17 f v Coat Endure User Manual amp Datasheet V 2 3 LED Error Indica Troubleshooting tion RED GREEN Blink Calibration Error ing RED blinking GREEN Blinking Probe short circuit Probe Open Recali
8. ecifications p Please refer to Table 3 for mechanical specifications lMininmum switching time could vary depending on the dielec tric constant of the application material TIA NEOPRENE SEAL 135 MM Cable Entry 2x BSP lt SC Gland Brass NEOPRENE SEAL MOUNTING BUSH 53 304 MOUNTING THREADS 1 BSP GROUNDING SS SHIELD SS SENSE 35 Figure 1 Dimensional Layout Front View 6 Installation Guidlines 6 1 Procedure for Installation For quick and easy installation follow the steps in the order mentioned below 1 Testing Electrical Connections Before mounting the device on the tank understand and test the con nections outside the tank for at least one piece For details on connections refer to Figure 4 before con necting the device to outputs and power supply 2 Mouting the Device Correct mounting of the in strument is critical to the operation of the instru ment Please refer to Tank Mounting Installation to mount the instrument in the tank silo or hop per Coat Endure is designed to work properly in metal body tanks only e g MS SS or Aluminium tanks Performance in plastic tanks might not be satisfactory 3 Electrical Connections Perform the electrical con nections as mentioned earlier in Step 1 4 Calibration and Settings e For non conductive materials Coat Endure can be calibrated in an empty process tank without the application material e f the application material
9. indicates Error 4 Then press ENTER the Status LED will blink once in RED color 5 Now set the CALIB and COVER switch back to OPEN position 6 Calibration for Coat Endure is now complete Now test the calibration by filling in the material or draining it out from the tank Repeat the filling and draining to confirm proper operation of the device Note For certain conductive application mate rials Coat Endure might need an adjustment to its settings Refer to Section Sentivity Adjust ment for more details 7 3 Sensitivity Adjustment The instrument has 5 point sensitivity level to suit a wider range of application materials Sensitivity value should be decided with respect to the dielectric constant and coating thickness of the application material Refer to Table 4 for selecting a suitable value By default the sensitivity is set to 3 to suit a wide range of materials Traverse the following steps to set the sensitivity of Coat Endure 1 Select a sensitivity value for the instrument as per Table 4 2 Set the CALIB switch to CLOSE position 3 Also switch the UNCV switch to CLOSE position 4 PRESS and HOLD the ENTER key the status LED will start blinking 5 The first blink leaves the sensitivity value un changed 6 Start counting from the next blink upto the selected sensitivity value 7 Set the CALIB and UNCV switches back to OPEN position 8 Check operation of Coat Endure by filling in a
10. is conductive Coat Endure has to be calibrated with the material Time delay and fail safe selection should be done afer this stage Section Calibration and Settings covers settings in more detail Sapcon Instruments Pvt Ltd Coat Endure Parameter Value 18 55V DC 90 265V AC on same terminal Input Power Supply Output any one Relay SPDT e Relay DPDT e Open Collector PNP output e Analog 8 16 mA Single point level switching Switching Indication Bi color LED e Red for Alarm e Green for Normal 50mA max at 18V DC with load Fail safe Field selectable safe low max high Covered and Uncovered Delays 1 25 sec min fail fail safe Delay Setting Relay Rating Table 2 Electrical Specifications 5 Trial Run Perform a trail run of the application process with the application material In case of er rors or unsatisfactory output refer to Section Error Indications 6 Finishing the Installation Tighten the lid and the cable entries on the instrument so that no moisture seeps into the instrument 6 2 Tank Mounting Installations e Coat Endure is designed to work in metal body tanks only e g MS SS or Aluminium tanks Performance in plastic tanks might not be satisfactory e The Coat Endure probe see figure 1 can be installed in the vessel in both horizontal side mounting and vertical top mounting positions Please refer to Figures 2 and 3 e To prevent
11. nd draining out the material 9 If the instrument does not switch when covered fully with the material try again with a higher value of sensitivity 10 If the instrument switches when covered fully with the material but does not switch back to normal state when uncovered try again with a lower sensi tivity value Factory Reset To reset time delays and sensitivity values to default values follow the following steps Sapcon Instruments Pvt Ltd 17 Coat Endure User Manual amp Datasheet V 2 3 Application Material Properties Sensitivity Value Dielectric Coating Const Thickness Table 4 Switching Sensitivity 1 Set the CALIB COV and UNCOV switches to CLOSE position 2 PRESS and HOLD the ENTER key until the status LED blinks 3 Switch the CALIB COV and UNCOV switches back to OPEN position 4 This will set the time delay to O and the sensitivity level to 3 7 4 COVER Delay When material covers the Coat Endure probe the changeover of the output can be delayed by a pre determined time This time is called COVER Delay Fol low the steps mentioned below to set the COVER delay to 2 seconds 1 To set the cover delay set the COVER switch to close position 2 Make sure that the Status LED is not blinking for Error 3 Then press ENTER and keep it pressed The Status LED will Blink 4 Count the blinks of the LED To Set a delay two sec onds two blinks
12. o SE lt lt lt lt A APCON Grown to meet challenges 30 years in Process Control Instrumentation User Manual amp Datasheet Version 2 3 P C M M Coat Endure Compact Admittance Level Sensor User Manual amp Datasheet Version 2 3 O AAA Ll SAPCON INSTRUMENTS PVT LTD An ISO 22000 company 131 Palshikar Colony Indore Madhya Pradesh PIN 452004 India 91 731 4757575 100 lines Fax 91 731 2475475 www sapconinstruments com www sapcon in Email sales sapcon in 1 Coat Endure User Manual amp Datasheet V 2 3 Contents Revision ely a ee hehe Ok PER RRR ERA Ree eR RAS a 4 Lee AE 5 2 Operating Principle sones aaa a esas 5 A IT TT NAAA 5 4 Dimesional Layout a a a a 5 5 Technical Specifications 22h ne b4G sas ase 5 5 1 Electrical Speciicatlons lt lt 6 lt s 54662446444 enad ee be eee eS ee ESSERE GEES D 5 2 Mechanical Specifications oaoa a a a a a a a a 5 O Installation Guidlines 000000000000 00 2 5 6 1 Procedure for Installation 2 2 020202 a 000000000000 2 5 6 2 Tank Mounting Installations 4 45546 aaa SOSH See De HESS 6 6 3 Electrical connections en son dis resorts as Y T Calibration amp SUM ee eae ee eo ee RRM Re ee Ge ew wt 1 7 1 Calibration for non conductive materials o oa a a a a a a 00000000 a a a T 1 2 Calibration for conductive materials o a o si a a a a OS 7 7 3 Sensitivity Adjustment 1 a 8 TAC
13. switches Fail safe switch can be OPEN or CLOSE and is not a source of error Resetting Error 1 Bring the CALIB COVER and UNCOV switches to OPEN position 2 Press the ENTER key 3 LED alternate color blinking will STOP 7 8 Maintanence The electronics of this instrument needs no mainte nance When cleaning and checking the vessel free the tuning probe from deposits If the material has a ten dency to form a hard sticky deposit then the instrument must be checked more often Make sure that the cable ducts and the lid are tightly sealed so that no moisture seeps into the instrument em Sapcon Instruments Pvt Ltd 17 f v 10
14. the ingress of moisture and water seepage in side mounting position the cable entries should always point downwards e Weatherproofness of enclosure is guaranteed only if the cover is in place and glands are adequately tight ened Damage due to accidental entry of water can be avoided if the instrument is installed in a rain shade If the ambient temperature is high the instrument should not be installed to receive direct sunlight In case such a position of shade is not available a User Manual amp Datasheet V 2 3 Parameter Value Housing Pressure Die Cast alu minium Cable Entry 2x 1 2 BSP NPT PG 13 5 Operating Temprature 0 C to 60 C Electronics High Temperature 100 C for probe e 200 C for probe with standoff pipe Operating Pressure Up to 10 bar Mounting 1 BSP NPT Threaded Flange mouting as per user specification Refer to GA Drawing Part PTFE Full PTFE standard Table 3 Mechanical Specifcations heat shield should be fitted above the instrument especially if the operating temperature lies between 60 C and 80 C e Grounding part SS material of the probe should be exposed at least 20mm inside the hopper after threading nozzle Figure 2 Dimensional Layout Top Mounting Sapcon Instruments Pvt Ltd 17 Coat Endure Figure 3 Dimensional Layout Side Mounting 6 3 Electrical connections Electrical connections for the
15. will be required After two blinks release the ENTER key 5 Delay is entered but not saved 6 To save and test the cover delay set the cover switch back to open position 7 To test dip the probe into the material until the switching point is reached Coat Endure will start blinking RED if the switch point is reached It will blink for the number of seconds for which the cover delay is set 1 Blink is equal to 1 second during switching maximum of 25 seconds can be set 7 5 UNCOVER Delay When the material uncovers the Coat Endure probe the changeover of the output can be delayed by a pre determined time This time is called the UNCOVER De lay Follow the steps mentioned below to set the UN COVER delay to 2 seconds 1 To set the uncover delay set the UNCOV switch to close position 2 Make sure that the status LED is not blinking for Error Then press ENTER and keep it pressed 3 The Status LED will blink Count the number of blinks of the LED To Set a delay pf two seconds two Blinks will be required After two blinks release the ENTER key 4 Uncover Delay is entered but not saved To save and test the uncover delay set the cover switch back to open position 5 To test dip the probe into the material until the switching point is achieved 6 Coat Endure will start blinking RED if the switch point is reached It will blink for the number of seconds for which the uncover delay is set 7 Now remov
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