Operating Instructions VEGACAP 27
Contents
1. 85 6 VEGACAP 27 Relay DPDT 9 4 Mounting VEGA Suitability for the process conditions Switching point Welding work Handling Moisture Transport 4 Mounting 4 1 General instructions Make sure that all parts of the instrument coming in direct contact with the process especially the sensor element process seal and process fitting are suitable for the existing process conditions such as process pressure process temperature as well as the chemical properties of the medium You can find the specifications in chapter Technical data and on the nameplate In general the level switch can be mounted in any position The instru ment must be mounted in such a way that the probe is at the height of the requested switching point Before beginning the welding work remove the electronics module from the sensor By doing this you avoid damage to the electronics through inductive coupling With threaded versions the housing must not be used to screw in the instrument Applying tightening forces on the housing can damage its internal parts Use the hexagon for screwing in Use the recommended cables see chapter Connecting to power supply and tighten the cable gland You can give your VEGACAP 27 additional protection against mois ture penetration by leading the connection cable downward in front of the cable entry Rain and condensation water can thus drain off This applies mainly to o2. Relay output DPDT 2 floating spdts 10 mV 253 V AC 253V DC With circuits 150 V AC DC the relay contacts must be in the same circuit VEGACAP 27 Relay DPDT 23 9 Supplement Switching current Min Max Breaking capacity Min Max Potential separation Contact material relay contacts Modes switchable Switching delay When immersed When laid bare n case of failure Ambient conditions Ambient temperature on the housing Storage and transport temperature Process conditions Process pressure Process temperature 10 pA 3A AC 1 ADC 50 mW 750 VA AC 54W DC If inductive loads or stronger currents are switched through the gold plating on the relay contact surface will be permanently damaged The contact is then no longer suitable for switching low level signal circuits gt 500 V DC AgNi Au plated or AgSnO Au plated A overfill protection B dry run protection 0 7s 0 7s 1s 40 80 C 40 176 F 40 80 C 40 176 F 1 63 bar 100 6300 kPa 14 5 914 psig See following diagram See following diagram 24 VEGACAP 27 Relay DPDT 9160 L N3 8S7 33758 EN 130916 VEGA 9 Supplement 63 bar 914psi 0 C 32 F 10 C 14 F 100 C 212 F 200 C 392 F p Fig 22 Process pressure Process temperature VEGACAP 27 with process fitting
3. there is a contacting error in the adapter plate or the resistor is defective No fault If yo u cannot find a fault in the probe then exchange the electronics module by a similar replacement electronics if available If the fault is eliminated after inserting the new electronics module then you have to carry out a fresh adjustment with the new electron ics module because electronics modules have certain manufacturing tolerances If the fault still exists or if no replacement electronics module is avail able then you have to return the probe for repair Contact 3 screen against contact 1 middle pin The resistor must be 2 MQ In case of lower values the electrode insulation is defective or mois ture is penetrated into the housing In case of higher values there is a contacting error in the adapter plate or the resistor is defective Reaction after fault recti Depending on the reason for the fault and the measures taken the fication Steps described in chapter Set up may have to be carried out again 7 3 If iti Exchanging the electronics module s necessary to exchange the electronics module you should use an electronics module type CAP E31R Proceed as follows 1 2 Switch off power supply Loosen the four screws of the housing cover with a Phillips screw driver Remove the housing cover Loosen the screws of the terminals with a Allen wrench Pull the connection cables out of the ter
4. N3 8S7 33758 EN 130916 VEGA 9 Supplement 9 Supplement 9 1 Technical data General data Material 316L corresponds to 1 4404 or 1 4435 Materials wetted parts Process fitting thread Process fitting Tri Clamp Process fitting bolting DN 50 Process seal insulation fully insulated Probe rod PTFE fully insulated 16 mm 0 63 in Materials non wetted parts Housing Seal between housing and housing cover Temperature adapter optional Ground terminal Process fittings Pipe thread cylindrical DIN 3852 A American pipe thread conical ASME B1 20 1 hygienic fittings Weight Instrument weight depending on process fitting Rod weight 20 mm 0 787 in Sensor length L Active tip LA Max lateral load Max torque process fitting thread Measuring frequency Output variable Output Switching voltage Min Max 316L 316Ti or Aluminium 316Ti 31611 Klingersil C 4400 PTFE 316L or 316Ti Plastic PBT polyester Alu die casting powder coated Silicone Aluminium plastic housing 316Ti 316L G1 A G1 2A 1 NPT 1 2 NPT Bolting DN 50 Clamp 1 2 PN 16 DIN 32676 ISO 2852 316L Clamp 2 PN 16 64 mm DIN 32676 ISO 2852 316L 0 8 4 kg 0 18 8 82 Ibs 1100 g m 12 oz ft 250 4000 mm 9 843 157 48 in 50 150 mm 1 968 5 9 in 10 Nm 7 4 Ibf ft 100 Nm 74 Ibf ft 430 kHz
5. can also be used problem free in corrosive products Probe measured product and vessel wall form an electrical capacitor The capacitance is influenced by three main factors Fig 2 Functional principle Plate capacitor 1 Distance between the electrode surfaces 2 Sizeofthe electrode surfaces S3 Type of dielectric between the electrodes The probe and the vessel wall are the capacitor plates The measured product is the dielectric Due to the higher dielectric constant of the product compared to air the capacitance increases as the probe is gradually covered The capacitance change is converted by the electronics module into a switching command VEGACAP 27 is a compact instrument i e it can be operated without external evaluation system The integrated electronics evaluates the level signal and outputs a switching signal With this switching signal VEGACAP 27 Relay DPDT 9160 L N3 8S7 33758 EN 130916 3 Product description Packaging Transport Transport inspection Storage Storage and transport temperature a connected device can be operated directly e g a warning system a pump etc The data for power supply are specified in chapter Technical data 3 3 Operation The probe can be adapted to the dielectric constant of the product directly on the electronics module A switching command can be triggered when the probe is covered or laid bare On the electronics modu
6. e Technical data Article numbers documentation With the serial number you can access the delivery data of the instru ment via www vega com VEGA Tools and serial number search In addition to the type label outside you can also find the serial num ber on the inside of the instrument VEGACAP 27 Relay DPDT 7 3 Product description VEGA Area of application Functional principle Voltage supply 3 2 Principle of operation VEGACAP 27 is a point level sensor with fully insulated capacitive electrode with screen segment and active tip for level detection VEGACAP 27 is very rugged and maintenance free and can be used in all areas of industrial process technology Typical applications are overfill and dry run protection Setup of the instrument is very easy because an adjustment is not necessary This means that changing products with different dielectric values such as e g water and oil or conductive and non conductive products do not influence the settings on the instrument and their Switching accuracy Fully insulated probes with screen segment like VEGACAP 27 are preferably used in conductive very adhesive liquids Due to the mechanical constructions of the screen segment and the active tip buildup on the probe can be compensated The capacitive measuring principle places no special requirements on installation Hence many different applications can be equipped with VEGACAP 27 The instrument
7. the marked plug connections See the fol lowing instructions Electronics de fective Press the mode switch A B If the in strument then changes the mode the instrument may be mechanically dam aged Should the switching function in the correct mode still be faulty return the probe for repair Push the mode switch If the probe then does not change the mode the electronics module may be defective Exchange the electronics module Remove the electronics module Check the resistance between the two plug connections There must no longer be a connection high impedance If there is still a connection exchange the instrument or return it for repair 18 VEGACAP 27 Relay DPDT 9160 L N3 8S7 33758 EN 130916 7 Maintenance and fault rectification Fig 21 Check the resistance in the probe 1 Contact 1 middle pin 2 Variable capacitor phase 3 Capacitor Measure the resistance values between the following contacts with an ohmmeter range MQ Contact 4 against contact 1 middle pin The resistor must be 2 MO If the resistor is lower this means moisture in the housing or a fault in the electrode insulation A possible reason could be also a non insu lated electrode which is used in a conductive humid medium If the r
8. Operating Instructions Capacitive rod electrode for level detection VEGACAP 27 Relay DPDT Cli Document ID 33758 Contents VEGA Contents 1 About this document IDEM I ei e 4 Moules 4 T1 3 Symbolism Used e bes rp beet eon debe ecd edd eb Het Eee ads 4 2 For your safety 24 Authorised persotnel 2 erre eee ctr cose ntu nies ka ee NAESER E iate PEDE RR n Seca eru e avis 2 2 Appropriate lise lesse cecus teet us aas ce Eos EAE ecu Edd 2 3 Warning about incorrect use 2 4 General Safety instructions eerte entries 2 5 Safetylabelonihe instrument eret ene asina E seen aedes eas 6 2 6 CE conformity 2 7 Safety instructions for Ex areas ssssssssssssssseseeeeeen nennen nennen netten 6 2 8 Environmental MStruCtonS sie croi tre tnr re ves bccdaststblecoacbestsntasts ssi ta LEER EHo ERE AR UL cave 6 3 Product description 3 1 ConfiguraliOni eese rrr etm ep rete eirean DAREA naaa Pn hoa HERES RARE DRE PS eR EE ERE HERE P ERR ees vinciecs 7 3 2 Principle of operation ssessssssssssseseeeeee seen enen nennen nennen nent etnn net n nennen nter enne 8 3 3 Operation 3 4 Storage and transport sssssssssssssssseeee enne eene nennen nenne ene enne 9 4 Mounting 41 Gereraliristrucliohs n iade ei e bte ah d aie dece Hd ie ase eden 10 42 MOUNTING INSTRUCTIONS oic iori Felice ne tears Fez te opa n beb
9. ces 6 2 Adjustment elements Fig 6 Oscillator with relay output Type plate Connection terminals Tensile proving ring Control lamp DIL switch for mode adjustment Potentiometer for switching point adaptation OO AGI The switching status of the electronics can be checked with closed housing only plastic housing see Function chart Note When placing the housing cover make sure that the inspection glass is above the signal lamp LED of the electronics module VEGACAP 27 Relay DPDT 18 6 Setup VEGA Switching point adapta tion 6 Mode adjustment 5 Signal lamp 4 Switching point adjust ment Exceptions Fresh adjustment To adjust VEGACAP 27 loosen first of all the four screws on the up per side of the instrument with a screwdriver and remove the housing cover You can adapt the switching point to the solid with the potentiometer The electronics is adjustment free and an adaption is only necessry in exceptions See Exceptions With the mode switch you can change the switching condition of the relay You can set the required mode A max detection or overfill protection B min detection or dry run protection We recommend connecting according to the quiescent current princi ple relay contact deenergizes when the switching point is reached because the relay always takes on the same safe condition if a failure is detected or in case of mains failur
10. d guidelines The instrument must only be operated in a technically flawless and reliable condition The operator is responsible for the trouble free operation of the instrument During the entire duration of use the user is obliged to determine the compliance of the necessary occupational safety measures with the current valid rules and regulations and also take note of new regula tions The safety instructions in this operating instructions manual the na tional installation standards as well as the valid safety regulations and accident prevention rules must be observed by the user For safety and warranty reasons any invasive work on the device beyond that described in the operating instructions manual may be carried out only by personnel authorised by the manufacturer Arbi trary conversions or modifications are explicitly forbidden The safety approval markings and safety tips on the device must also be observed VEGACAP 27 Relay DPDT 5 2 For your safety VEGA 2 5 Safety label on the instrument The safety approval markings and safety tips on the device must be observed 2 6 CE conformity This device fulfills the legal requirements of the applicable EC guide lines By attaching the CE mark VEGA provides a confirmation of successful testing You can find the CE conformity declaration in the download area of www vega com 2 7 Safety instructions for Ex areas Please note the Ex specific safety infor
11. e Control lamp for indication of the switching status e Control lamp on Relay deenergised The measuring system is immediately ready for operation The switching point must no longer be set with VEGACAP 27 The probe has an active tip and a screen segment Thanks to the Screen segment the so called standing capacitance caused by the vessel after installation of the probe is mainly compensated As a default setting the electronics module is adjusted to the basic capacitance of the probe The relay output switching when the active tip is covered active tip 50 150 mm 2 5 9 in of the electrode Changing dielectric values of the products such as e g caused in mixing vessels are no problem for the switching accuracy within the active pin The selection of the electrode length is hence very impor tant because the length of the electrode determines the switching point This switching point cannot be shifted on the electrode In exceptions e g in pipelines or if the probe is mounted very close to the vessel wall it can happen ath the probe signals already overfilling covering in uncovered condition In this case the switching point must be re adjusted For adjustment the vessel must not be filled and the switching point adjustment is also possible in dismounted condition A fresh adjustment is necessary in the following cases e for probes with a length of more than 3 m 9 8 ft e in narrow space installation cond
12. e end of the rod If the instrument is mounted in the filling stream unwanted false measurement signals can be generated For this reason mount the instrument at a position in the vessel where no disturbances e g from filling openings agitators etc can occur This applies particularly to instrument versions with a longer probe Fig 4 Inflowing medium VEGACAP 27 Relay DPDT 11 5 Connecting to power supply VEGA Note safety instructions Voltage supply Connection cable Wiring plan 5 Connecting to power supply 5 1 Preparing the connection Always keep in mind the following safety instructions e Connect only in the complete absence of line voltage Connect the operating voltage according to the following connection diagrams The electronics module CAP E31R is designed in protec tion class 1 To maintain this protection class it is absolutely neces sary that the ground conductor be connected to the internal ground terminal Take note of the general installation regulations The data for power supply are specified in chapter Technical data The instrument is connected with standard three wire cable without screen If electromagnetic interference is expected which is above the test values of EN 61326 for industrial areas screened cable should be used Use cable with round cross section A cable outer diameter of 5 9 mm 0 2 0 35 in ensures the seal effect of the cable gland I
13. e tp bp 11 5 Connecting to power supply 5 1 Preparing the Connection ueniet reete oe eei ipee eb deer rds ese robo ius 12 5 2 Wiring plan single chamber housing 1 i rione reete ek ci iacere eese o 12 6 Setup 61 General infoMann te etri For ee cri t et eva 13 6 2 Adjustmentelemotrils i imr re coiere tit rer erii cc nt e cat de 13 6 3 Furictionichart uere rr dn er ne nere rte i an t 15 7 Maintenance and fault rectification l Mainteriareea cierta caida ep eee ee XE Foch ERR as EV ARRH LUE EYEERR HE eevee GR ERR CES DER Ta SBeclyTaullsu cn hacerte t etc teca itte ee ec eesume eet dau ESEE ben 7 3 Exchanging the electronics module m 7 4 How to proceed in case of repair esses eene nennen enne enne tnn 8 Dismounting Gel 3Bismolnttig Steps ccce eric to cereo re Ere t Ee raaraa ee EIE EEan eaa apaa 22 2 DISPOSE RE ERU EC A EE E 22 9 Supplement 9 1 Technical data inm enn enm rr c inm ra n ren 23 9 2 DIMENSIONS m ess 27 2 VEGACAP 27 e Relay DPDT 9160 L N3 8S7 33758 EN 130916 Contents buo Supplementary documentation Information Supplementary documents appropriate to the ordered version come with the delivery You can find them listed in chapter Product descrip tion Instructions manuals for accessories and replacement parts Tip To ensure reliable setup and operation of your VEGACAP 27 we offer accessories and
14. esistor is higher or if the connection is interrupted the reason is mostly a contact error in the adapter plate or a defective resistor due to strong electrostatic arking In both cases the probe must be repaired in our premises Contact 4 against vessel The electrical connection between contact 4 and metal vessel not the mounting boss or probe flange should good Measure the resist ance value between contact 4 and vessel with an ohmmeter range very small e Shortcircuit 0 3 Q optimum connection e Resistor 3 O bad connection VEGACAP 27 Relay DPDT 19 7 Maintenance and fault rectification VEGA If the resistance value is gt 3 Q this can be due to corrosion on the thread or flange or the thread was covered e g with teflon tape Che ck the connection to the vessel If there is no connection you can connect a cable from the outer ground terminal to the vessel Kee p in mind that coated flanges must always be connected via the ground terminal to the vessel Contact 7 against contact 1 middle pin The resistor must be infinite gt 10 MQ If the resistor is lower then moisture can be penetrated or the com pensation capacitor or variable capacitor phase is defective Contact 3 screen against contact 4 The resistor must be 2 MQ In case of lower values the electrode insulation is defective or mois ture is penetrated into the housing In case of higher values
15. f you are using cable with a different diameter or cross section exchange the seal or use a suitable cable gland Note When placing the housing cover make sure that the inspection glass is above the signal lamp of the electronics module 5 2 Wiring plan single chamber housing We recommend connecting VEGACAP 27 in such a way that the switching circuit is open when there is a level signal line break or failure safe condition The relays are always shown in non operative condition The two relays DPDT work synchronously Hence it is possible to control also e g a horn and a magnet valve IN AARAA 3 4 5 6 7 mi L Fig 5 Wiring plan 1 Relay output 2 Relay output 3 Voltage supply 12 VEGACAP 27 Relay DPDT 9160 L N3 8S 33758 EN 130916 6 Setup Function Configuration zo be 6 Setup 6 1 General information The figures in brackets refer to the following illustrations On the electronics module you will find the following display and adjustment elements e Potentiometer for switching point adaptation DIL switch for mode adjustment A B e Control lamp Note As a rule always set the mode with the mode switch 5 before start ing setup VEGACAP 27 The switching output will change if you set the mode switch 5 afterwards This could possibly trigger other con nected instruments or devi
16. itions with high standing capaci tance e g in tubes etc e after exchange of the electronics module Proceed as follows for a fresh adjustment 1 Make sure that the probe is uncovered 2 Pierce the cover of the potentiometer 6 with a screwdriver 14 VEGACAP 27 Relay DPDT 9160 L N3 8S 33758 EN 130916 6 Setup bale 3 Turn the below potentiometer 6 first of all anticlockwise max 20 turns until the control lamp signals covered Mode A overfill protection control lamp lights Mode B dry run protection control lamp extinguishes If this condition is already reached you can continue with the next step 4 Turn the potentiometer 6 very slowly due to the damping clock wise until the control lamp signals uncovered Mode A overfill protection control lamp extinguishes Mode B dry run protection control lamp lights 5 Turn the potentiometer 6 clockwise according to the following chart 6 The probe is now ready for operation Sensitivity Standard very sensitive additional turns Dielectric constant gt 2 Dielectric constant gt 1 5 2 turns 1 turn Tab 1 Number of additional turns for the potentiometer 6 Note With the measurement of products with very low dielectric values the number of turns can be reduced up to 1 according to the chart This setting is too sensitive with conductive adhesive products Note When placing
17. le you will find the following display and adjustment elements e Control lamp for indication of the switching status e Potentiometer for switching point adaptation covered e DIL switch for mode adjustment 3 4 Storage and transport Your instrument was protected by packaging during transport Its capacity to handle normal loads during transport is assured by a test based on ISO 4180 The packaging of standard instruments consists of environment friendly recyclable cardboard For special versions PE foam or PE foil is also used Dispose of the packaging material via specialised recycling companies Transport must be carried out in due consideration of the notes on the transport packaging Nonobservance of these instructions can cause damage to the device The delivery must be checked for completeness and possible transit damage immediately at receipt Ascertained transit damage or con cealed defects must be appropriately dealt with Up to the time of installation the packages must be left closed and stored according to the orientation and storage markings on the outside Unless otherwise indicated the packages must be stored only under the following conditions e Notin the open Dry and dust free Not exposed to corrosive media Protected against solar radiation Avoiding mechanical shock and vibration Storage and transport temperature see chapter Supplement Technical data Ambient conditions e Relative humidity 20
18. mation for installation and op eration in Ex areas These safety instructions are part of the operating instructions manual and come with the Ex approved instruments 2 8 Environmental instructions Protection of the environment is one of our most important duties That is why we have introduced an environment management system with the goal of continuously improving company environmental pro tection The environment management system is certified according to DIN EN ISO 14001 Please help us fulfill this obligation by observing the environmental instructions in this manual e Chapter Packaging transport and storage e Chapter Disposal VEGACAP 27 Relay DPDT 9160 L N3 8S7 33758 EN 130916 VEGA 3 Product description Scope of delivery Constituent parts Type plate 3 Product description 3 1 Configuration The scope of delivery encompasses e VEGACAP 27 point level switch e Documentation this operating instructions manual if necessary further documents The VEGACAP 27 consists of the components e Housing cover e Housing with electronics e Process fitting with electrode Fig 1 VEGACAP 27 with plastic housing Housing cover Housing with electronics Process fitting active screen segment active probe O amp O The nameplate contains the most important data for identification and use of the instrument e Article number e Serial number
19. minals 20 VEGACAP 27 Relay DPDT 9160 L N3 8S7 33758 EN 130916 7 Maintenance and fault rectification 9 10 11 12 13 14 15 16 Loosen the two screws with a Torx screwdriver Open the tensile ring on the old electronics module and pull out the old electronics module Compare the new electronics module with the old one The type label of the electronics module must correspond to that of the old electronics module Insert the new electronics module Screw in and tighten the two screws with a Torx screwdriver Lead the connection cable through the cable gland Insert the wire ends into the open terminals according to the wir ing plan and tighten them Check the hold of the wires in the terminals by lightly pulling on them Tighten cable gland and check on tightness The seal ring must completely encircle the cable Carry out a fresh adjustment See chapter Set up new adjust ment Screw the housing cover back on The electronics exchange is now finished 7 4 How to proceed in case of repair You can find a repair form as well as detailed information on how to proceed under www vega com downloads and Forms and certifi cates By doing this you help us carry out the repair quickly and without hav ing to call back for needed information If a repair is necessary please proceed as follows Print and fill out one form per instrument Clean the instrumen
20. of 316L 1 Process pressure 2 Processtemperature 3 Temperature range with temperature adapter 200 C 392 F Fig 23 Process pressure Process temperature VEGACAP 27 with process fitting of 316Ti 1 Process pressure 2 Process temperature 3 Temperature range with temperature adapter Dielectric constant 21 5 Electromechanical data Cable entry plug dependent on the version VEGACAP 27 Relay DPDT 25 9 Supplement VEGA Single chamber housing Screw terminals Adjustment elements Mode switch A B Potentiometer Voltage supply Operating voltage Power consumption Electrical protective measures Protection rating Overvoltage category Protection class Approvals 1 x cable entry M20 x 1 5 cable 5 9 mm 1x blind plug M20 x 1 5 attached 1 x cable entry M20 x 1 5 or 1x cable entry 12 NPT 1 x blind plug Ye NPT 1 x cable entry Ve NPT or 1x plug M12 x 1 1 x blind plug M20 x 1 5 for wire cross section up to 1 5 mm AWG 16 Min detection or dry run protection Max detection or overflow protection Switching point adaptation 20 253 V AC 50 60 Hz 20 72 V DC at U gt 60 V DC the ambient temperature can be max 50 C 122 F 1 9 VA AC approximately 1 5 W DC IP 66 IP 67 11 Instruments with approvals can have different technical data depending on the version For that reason the associated appr
21. opri t intellec tuelle Pour plus d informations on pourra se r f rer au site www vega com VEGA lineas de productos est n protegidas por los derechos en el campo de la propiedad indus trial Para mayor informaci n revise la pagina web www vega com Jluuna npogykynn cbupmb BETA 3augujarorcs no BceMy Mupy npaBaMM Ha MHTeTITIEKTyaTIBHyIlO co6crBeHHOCTb JanbHe iuryro wHcpopwauyro cvorpure Ha catre www vega com VEGAJX amp JI MELREA ARF SUP o 3t 548 Sie 2 TL Mh lt www vega com gt 9 4 Trademark All the brands as well as trade and company names used are property of their lawful proprietor originator VEGACAP 27 Relay DPDT 29 Notes 30 VEGACAP 27 Relay DPDT 9160 L N3 8S7 33758 EN 130916 Notes VEGACAP 27 Relay DPDT 31 Printing date VEGA All statements concerning scope of delivery application practical use and operat ing conditions of the sensors and processing systems correspond to the information available at the time of printing Subject to change without prior notice C 33758 EN 130916 VEGA Grieshaber KG Schiltach Germany 2013 VEGA Grieshaber KG Phone 49 7836 50 0 Am Hohenstein 113 Fax 49 7836 50 201 77761 Schiltach E mail info de vega com Germany www vega com
22. oval documents of these instruments have to be carefully noted They are part of the delivery or can be downloaded under www vega com via VEGA Tools and serial number search as well as via Downloads and Approvals 26 VEGACAP 27 Relay DPDT 9160 L N3 8S7 33758 EN 130916 VEGA 9 Supplement 9 2 Dimensions 585 mm 3 11 32 76 mm 2 63 64 3 8 g E s SW 60 2 23 64 I TVPNPT S EIT 3 e aje fo 20 mm e 25 32 5 Fig 24 VEGACAP 27 threaded version G174 A ISO 228 T1 L Sensor length see chapter Technical data LA active tip see chapter Technical data 27 VEGACAP 27 Relay DPDT 9 Supplement 200 mm 7 87 90 mm 3 54 SW 60 mm 2 36 SW 60 mm 2 36 Fig 25 Temperature adapter optional 316L 316Ti 28 VEGACAP 27 Relay DPDT 9160 L N3 8S7 33758 EN 130916 VELA 9 Supplement 9 3 Industrial property rights VEGA product lines are global protected by industrial property rights Further information see www vega com Only in U S A Further information see patent label at the sensor housing VEGA Produktfamilien sind weltweit geschutzt durch gewerbliche Schutzrechte Nahere Informationen unter www vega com Les lignes de produits VEGA sont globalement prot g es par des droits de pr
23. posal This symbol indicates special information about the disposal of bat teries and accumulators VEGACAP 27 Relay DPDT 9L60EL N3 8SZEE 33758 EN 130916 2 For your safety 2 For your safety 2 1 Authorised personnel All operations described in this operating instructions manual must be carried out only by trained specialist personnel authorised by the plant operator During work on and with the device the required personal protective equipment must always be worn 2 2 Appropriate use The VEGACAP 27 is a sensor for point level detection You can find detailed information on the application range in chapter Product description Operational reliability is ensured only if the instrument is properly used according to the specifications in the operating instructions manual as well as possible supplementary instructions For safety and warranty reasons any invasive work on the device beyond that described in the operating instructions manual may be carried out only by personnel authorised by the manufacturer Arbi trary conversions or modifications are explicitly forbidden 2 3 Warning about incorrect use Inappropriate or incorrect use of the instrument can give rise to application specific hazards e g vessel overfill or damage to system components through incorrect mounting or adjustment 2 4 General safety instructions This is a state of the art instrument complying with all prevailing regulations an
24. replacement parts The corresponding documenta tions are e 33761 Oscillator CAP E31R Editing status 2013 08 21 VEGACAP 27 Relay DPDT 3 1 About this document VEGA gt me 1 About this document 1 4 Function This operating instructions manual provides all the information you need for mounting connection and setup as well as important instruc tions for maintenance and fault rectification Please read this informa tion before putting the instrument into operation and keep this manual accessible in the immediate vicinity of the device 1 2 Target group This operating instructions manual is directed to trained specialist personnel The contents of this manual should be made available to these personnel and put into practice by them 1 3 Symbolism used Information tip note This symbol indicates helpful additional information Caution If this warning is ignored faults or malfunctions can result Warning If this warning is ignored injury to persons and or serious damage to the instrument can result Danger If this warning is ignored serious injury to persons and or destruction of the instrument can result Ex applications This symbol indicates special instructions for Ex applications List The dot set in front indicates a list with no implied sequence Action This arrow indicates a single action Sequence of actions Numbers set in front indicate successive steps in a procedure Battery dis
25. t and pack it damage proof Attach the completed form and if need be also a safety data sheet outside on the packaging Please contact for the return shipment the agency serving you You can find the agency on our home page www vega com VEGACAP 27 Relay DPDT 21 8 Dismounting 8 Dismounting 8 1 Dismounting steps Warning Before dismounting be aware of dangerous process conditions such 85 e g pressure in the vessel high temperatures corrosive or toxic products etc Take note of chapters Mounting and Connecting to power supply and carry out the listed steps in reverse order 8 2 Disposal The instrument consists of materials which can be recycled by spe cialised recycling companies We use recyclable materials and have designed the parts to be easily separable WEEE directive 2002 96 EG This instrument is not subject to the WEEE directive 2002 96 EG and the respective national laws Pass the instrument directly on to a spe cialised recycling company and do not use the municipal collecting points These may be used only for privately used products according to the WEEE directive Correct disposal avoids negative effects on humans and the environ ment and ensures recycling of useful raw materials Materials see chapter Technical data If you have no way to dispose of the old instrument properly please contact us concerning return and disposal 22 VEGACAP 27 Relay DPDT 9160 L
26. the housing cover make sure that the inspection glass is above the signal lamp of the electronics module 6 3 Function chart The following chart provides an overview of the switching conditions depending on the set mode and the level Level Switching status Control lamp Mode A J Overflow protec i 3 c Oo tion 0 8 Relay energized Mode A in i Overflow protec 4 Bee tion 0 8 Relay deener gized VEGACAP 27 Relay DPDT 15 VEGA 6 Setup Level Switching status Control lamp Mode B Dry run protection a ae O 6 7 8 Uu 6 7 8 Relay energized Mode B gt vv Dry run protection 22 g 7 8 Relay deener gized Failure of the sup any ply voltage 3 4 5 O mode A B 6 7 8 Relay deener gized 16 VEGACAP 27 e Relay DPDT 9160 L N3 8S7 33758 EN 130916 7 Maintenance and fault rectification Reaction when malfunc tions occur Reaction when malfunc tions occur Failure reasons Fault rectification 24 hour service hotline 7 Maintenance and fault rectification 7 1 Maintenance If the instrument is used properly no special maintenance is required in normal operation 7 2 Rectify faults The operator of the system is responsible for taking suitable meas ures to rectify faults The operator of the system is responsible for taking suitable meas ures
27. to rectify faults VEGACAP 27 offers maximum reliability Nevertheless faults can oc cur during operation These may be caused by the following e g e Sensor e Process e Voltage supply e Signal processing The first measure to be taken is to check the output signal In many cases the causes can be determined this way and the faults rectified Should these measures not be successful please call in urgent cases the VEGA service hotline under the phone no 49 1805 858550 The hotline is available to you 7 days a week round the clock Since we offer this service world wide the support is only available in the English language The service is free of charge only the standard telephone costs will be charged VEGACAP 27 Relay DPDT 17 7 Maintenance and fault rectification VEGA Checking the switching signal Check the resistance in the probe Error Cause Rectification The instrument signals covered without cover ing with the medium The instrument signals covered with cover ing with the medium Wrong mode se lected Set the correct mode on the mode switch A overflow protection B dry run protection Wiring should be car ried out according to the quiescent current principle Operating voltage too low Check operating voltage Shortcircuit in the probe e g be cause of moisture in the housing Remove the electronics module Check the resistance between
28. utdoor mounting as well as installation in areas where high humidity is expected e g through cleaning processes or on cooled or heated vessels 6 59 Fig 3 Measures against moisture penetration Do not hold VEGACAP 27 on the probe Especially with heavy flange versions or long rod versions the sensor can be damaged simply by the weight of the instrument 10 VEGACAP 27 Relay DPDT 9160 L N3 8S 33758 EN 130916 VEGA 4 Mounting Pressure Vacuum Agitators and fluidization Inflowing medium The process fitting must be sealed if there is gauge or low pressure in the vessel Before use check if the seal material is resistant against the measured product and the process temperature The max permissible pressure is specified in chapter Technical data or on the type label of the sensor 4 2 Mounting instructions Due to the effects of agitators equipment vibration or similar the level switch can be subjected to strong lateral forces For this reason do not use an overly long electrode for VEGACAP 27 but check if you can mount a short level switch on the side of the vessel in horizontal position Extreme vibration caused by the system e g due to agitators or turbulence in the vessel from fluidisation can cause the probe of VEGACAP 27 to vibrate in resonance If a longer rod version is neces Sary you can secure the probe by fastening a suitable brace or guy directly above th
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