Operating Instructions - VEGABAR 74 - 4 ? 20 mA/HART
Contents
1. 20 kPa 0 1 bar O 100 kPa 20 bar 2000 kPa 35 bar 3500 kPa 0 4 bar 40 kPa 0 4 bar 0 40 kPa 30 bar 3000 kPa 0 8 bar 80 kPa 1 bar 100 kPa 50 bar 5000 kPa 1 bar 100 kPa 5 bar 0 500 kPa 65 bar 6500 kPa 1 bar 100 kPa 10 bar 0 1000 kPa 90 bar 9000 kPa 1 bar 100 kPa 25 bar 0 2500 kPa 130 bar 13000 kPa 1 bar 100 kPa O 0 2 5 bar 0 250 kPa 0 0 O 0 60 bar 0 6000 kPa 1 0 bar 100 0 kPa 1 1 5 bar 100 150 kPa 1 5 bar 100 500 kPa 200 bar 20000 kPa 35 bar 3500 kPa 50 bar 5000 kPa 65 bar 6500 kPa 1 bar 100 kPa 1 bar 100 kPa 1 bar 100 kPa 1 bar 100 kPa 1 10 bar 100 1000 kPa 90 bar 9000 kPa 1 bar 100 kPa 1 25 bar 100 2500 kPa 130 bar 13000 kPa 1 bar 100 kPa 1 60 bar 100 6000 kPa 300 bar 30000 kPa 1 bar 100 kPa 0 05 0 05 bar 5 5 kPa 0 1 0 1 bar 10 10 kPa 15 bar 1500 kPa 20 bar 2000 kPa 0 2 bar 20 kPa 0 4 bar 40 kPa Limited to 200 bar according to the pressure device directive 28 VEGABAR 74 4 20 mA HART 8170720 N3 cE v 8c 28432 EN 070718 VERA Supplement Nominal range Overload max pres Overload min pressure sure6 0 2 0 2 bar 20 20 kPa 30 bar 3000 kPa 0 8 bar 80 kPa 0 5 0 5 bar 50 50 kPa 35 bar 352. 23 7 3 Parameter adjustment with PACTware 24 7 4 Parameter adjustment with AMS and PDM 24 7 5 Saving the parameter adjustment data 24 2 VEGABAR 74 4 20 mA HART 817070 N3 cE v 8c 28432 EN 070718 pue pue Contents 8 Maintenance and fault rectification 81 Maintenance lee 25 8 2 Faultclearance 25 8 3 Instrument repair 26 9 Dismounting 9 4 Dismounting steps 27 92 Disposal aies ea edet RRRRIDA SI SEL 27 10 Supplement 10 1 Technical data 28 10 2 Dimensions 35 10 3 Industrial property rights 41 10 4 Trademark ieee iii at a a ee 41 Supplementary documentation Information Depending on the ordered version supplementary documen tation belongs to the scope of delivery You find this documentation in chapter Product description Instructions manuals for accessories and replacement parts Tip To ensure reliable setup and operation of your VEGABAR 74 we offer accessories and replacement parts The associated documents are e Supplementary instructions manual 32036 Welded socket and seals e Operating instructions manual 32798 Breather housing VEGABOX 02 e Operating instructions manual 20591 External indicating and adjustment unit VEGADIS 12 VEGABAR 74 4 20 mA HART About this document ASIA 1 About
3. this operating instructions manual Test certificate for pressure transmitters Ex specific Safety instructions with Ex versions if necessary further certificates l l l l VEGABAR 74 consists of the following components e Process fitting with measuring cell e Housing with electronics e Connection cable direct cable outlet The components are available in different versions DR id 1 Example of a VEGABAR 74 with process fitting G11 A Connection cable _ Housing with electronics 3 Process fitting with measuring cell VEGABAR 74 4 20 mA HART 817070 N3 cETv 8c 28432 EN 070718 VEGA Product description Area of application Functional principle Supply 3 2 Principle of operation VEGABAR 74 is a pressure transmitter for use in the paper food processing and pharmaceutical industry Thanks to the high protection class IP 68 IP 69K it is particularly suitable for use in humid environment Depending on the version it is used for level gauge pressure absolute pressure or vacuum measurements Measured products are gases vapours and liquids also with abrasive contents The sensor element is the CERTEC measuring cell with flush abrasion resistant ceramic diaphragm The hydrostatic pressure of the medium or the process pressure causes a capacitance change in the measuring cell via the diaphragm This change is converted into
4. 28432 EN 070718 Velm Connecting to power supply Connection via VEGADIS 12 LJ ven L TRANSMITTER OPERATE VE fea VAPA GE 5 e222 2222 L222 4 I 3M5ISI7I8 Hn Irt os r ef NOT USED don J VEGADIS 12 A I LA es s gnere Pg I I l I p Lo stss d I Fig 6 Terminal assignment VEGADIS 12 1 Topower supply or the processing system 2 Control instrument 4 20 mA measurement 3 Screen 4 Breather capillaries 5 Suspension cable Wire number Wire colour Polarity Terminal VEGADIS 12 1 brown 1 2 blue 2 3 Yellow 3 5 Connect screen to ground terminal Connect ground terminal on the outside of the housing as prescribed The two terminals are galvanically connected VEGABAR 74 4 20 mA HART 17 Set up EEA Adjustment volume Adjustment system Adjustment steps adjustment 6 Set up 6 1 Setup steps without VEGADIS 12 After mounting and electrical connection VEGABAR 74 is ready for operation gt Switch on voltage The electronics now carries out a self check for approx 2 seconds Then VEGABAR 74 delivers a current of 4 20 mA according to the actual level 6 2 Setup steps with VEGADIS 12 e zero measuring range begin e span measuring range end e ti Integration time TRANSMITTER D OPERATE e VEEA
5. VEGABAR 74 4 20 mA HART 29 Supplement ASIAN Deviation with absolute pressure measuring range 0 1 bar Turn down 1 1 up to 5 1 0 25 x TD Turn down up to 10 1 0 05 x TD Influence of the product or ambient temperature Applies to digital HART interface as well as to analogue current output 4 20 mA Specifications refer to the set span Turn down TD nominal measuring range set span Average temperature coefficient of the zero signal In the compensated temperature range of 0 100 C 212 F reference temperature 20 C 68 F Average temperature coefficient of the zero signal Turn down 1 1 0 05 96 10 K Turn down 1 1 up to 5 1 0 1 96 10 K Turn down up to 10 1 0 15 96 10 K Outside the compensated temperature range Average temperature coefficient of the zero signal Turn down 1 1 typ 0 05 10 K Thermal change of the current output Applies also to the analogue 4 20 mA current output and refers to the set span Thermal change current output 0 15 at 40 80 C 40 176 F Long term stability similar to DIN 16086 DINV 19259 1 and IEC 60770 1 Applies to digital HART interface as well as to analogue current output 4 20 mA Specifications refer to the set span Turn down TD nominal measuring range set span Long term drift of the zero signal 0 1 96 x TD 1 year Total deviation similar to DIN 16086 The total de
6. ring must completely encircle the cable Connect the supply cable according to steps 3 to 8 10 Screw the housing cover back on The electrical connection is finished 2 The connection cable is already preconfectioned After shortening the ca ble fasten the type plate with support again to the cable VEGABAR 74 4 20 mA HART 15 Connecting to power supply EEA Direct connection Connection via VEGABOX 02 5 3 Wiring plan Fig 4 Wire assignment connection cable 1 brown to power supply or to the processing system 2 blue to power supply or to the processing system 3 yellow is only required with VEGADIS 12 otherwise connect to minus or with VEGABOX 01 to terminal 39 4 Screen 5 Breather capillaries with filter element SGSGGSG S ol 9 ol dig SISISSISIS S O S Fig 5 Terminal assignment VEGABAR 74 1 To power supply or the processing system 2 Screen Wire number Wire colour Polarity VEGABAR 74 terminal 1 brown 1 2 blue 2 3 Yellow 2 Screen Ground 3 For customer specific versions already connected with blue when being shipped Connect screen to ground terminal Connect ground terminal on the outside of the housing as prescribed The two terminals are galvanically connected 16 VEGABAR 74 4 20 mA HART 817020 N3 cE T 8c
7. A J a N E Zy amp E ES qi E E In on g 270mm 1 2 3 4 150 mm 5 29 32 3 25 64 AB SD SE Fig 14 VEGABAR 74 KA KH cone DN 40 AA DRD SD SE Anderson 3 long short fitting 36 VEGABAR 74 4 20 mA HART 817020 N3 cE Tv 8c 28432 EN 070718 i Wz BA Supplement VEGABAR 74 flange connection A LI g amp 941 6 mm E 1 41 64 x N 9 d2 Em Tr Lis an i d d4 TONO RETURN D EA FB FE FQ FH FI d5 TV TS DN PN D b k d2 d4 f RL d5 EA 40 40 529 32 45 64 4 21 84 4x 45 64 3 15 32 1 8 FB 50 40 61 2 25 50 459 g4 4x 45 64 4 ga 1 8 E FE 80 40 77 15 16 6 1964 8x0 45 64 57he Ve i gt Ibs D b k d2 d4 f RL d5 FQ 1 150 5 11 46 3 14 46 4x0 5 8 27s 1 8 FH 2 150 6 34 434 4xoS g 35g t g Fl 3 150 7 12 3 4 6 4x0 5 6 6 1 8 i z 9 DN PN D b k d2 d4 f RL d5 TV 50 40 6 v 2502 45964 Axa 4564 4 Ua te 4 142 TS 80 40 77 15 16 6 1 64 8x 45 64 5 7he 1 8 1 1 2 Fig 15 VEGABAR 74 flange connection 1 Flange connection according to DIN 2501 2 Flange fitting according to ANSI B16 5 3 Flange with extension 4 Order specific
8. an appropriate output signal and outputted as measured value The CERTEC measuring cell is also equipped with a temperature sensor The temperature value can be processed via the signal output Two wire electronics 4 20 mA HART for power supply and measured value transmission over the same cable The supply voltage range can differ depending on the instrument version The data for power supply are stated in chapter Technical data in the Supplement 3 3 Operation VEGABAR 744 20 mA HART can be adjusted with different adjustment media e with external adjustment indication VEGADIS 12 e an adjustment software according to FDT DTM standard e g PACTware and PC e with a HART handheld The kind of adjustment and the adjustment options depend on the selected adjustment component The entered parameters are generally saved in the respecitive sensor when adjusting with PACTware and PC optionally also in the PC VEGABAR 74 4 20 mA HART Product description ASIA Packaging Transport Transport inspection Storage Storage and transport tem perature 3 4 Packaging transport and storage Your instrument was protected by packaging during transport Its capacity to handle normal loads during transport is assured by a test according to DIN EN 24180 The packaging of standard instruments consists of environ ment friendly recyclable cardboard For special versions PE foam or PE fo
9. ensured for VEGABAR 74 Bear in mind the following factors regarding supply voltage e Output voltage of the power supply unit can be lower under nominal load with a sensor current of 20 5 mA or 22 mA in case of fault message e Influence of additional instruments in the circuit see load values in chapter Technical data VEGABAR 74 is connected with standard two wire cable without screen An outer cable diameter of 5 9 mm ensures the seal effect of the cable gland when connecting via VEGABOX 02 or VEGADIS 12 If electromagnetic interference is expected which is above the test values of EN 61326 for VEGABAR 74 4 20 mA HART 13 Connecting to power supply EEA Cable screening and ground ing Select connection cable for Ex applica tions industrial areas screened cable should be used For HART multidrop operation we recommend as standard practice the use of screened cable Fig 3 Connection of VEGABAR 74 1 Direct connection 2 Connection via VEGABOX 02 or VEGADIS 12 If screened cable is necessary connect the cable screen on both ends to ground potential In the VEGABOX 02 or VEGADIS 12 the screen must be connected directly to the internal ground terminal The ground terminal on the outside of the housing must be connected to the potential equalisation low impedance If potential equalisation currents are expected the connecti
10. reliable condition The operator is responsible for trouble free operation of the instrument VEGABAR 74 4 20 mA HART For your safety EEA During the entire duration of use the user is obliged to determine the compliance of the required occupational safety measures with the current valid rules and regulations and also take note of new regulations 2 5 Safety approval markings and safety tips The safety approval markings and safety tips on the device must be observed 2 6 CE conformity VEGABAR 74 is in CE conformity with EMC 89 336 EWG fulfils NAMUR recommendation NE 21 and is in CE conformity with LVD 73 23 EWG Conformity has been judged according to the following standards e EMC Emission EN 61326 2004 class B Susceptibility EN 61326 2004 including supplement A e LVD EN 61010 1 2001 VEGABAR 74 is not subject to the pressure device guideline 2 7 Fulfilling NAMUR recommendations VEGABAR 74 fulfills the following NAMUR recommendations e NE 21 interference resistane and emitted interference e NE 43 signal level for failure information e NE 53 compatibility sensor and indicating adjustment components VEGA instruments are generally upward and downward compatible e Sensor software to DTM VEGABAR 74 HART e DTM VEGABAR 74 for adjustment software PACTware The parameter adjustment of the basic sensor functions is independent of the software version The range of av
11. 00 kPa 1 bar 100 kPa Absolute pressure 0 0 1 bar 0 10 kPa 15 bar 1500 kPa 0 1 bar 0 100 kPa 35 bar 3500 kPa 0 2 5 bar 0 250 kPa 50 bar 5000 kPa 0 5 bar 0 500 kPa 65 bar 6500 kPa 0 10 bar 0 1000 kPa 90 bar 9000 kPa 0 25 bar 0 2500 kPa 130 bar 13000 kPa 0 60 bar 0 6000 kPa 200 bar 20000 kPa Reference conditions and influencing variables similar to DIN EN 60770 1 Reference conditions according to DIN EN 61298 1 Temperature 15 25 C 59 77 F Relative humidity 45 75 96 Air pressure 860 1060 mbar 86 106 kPa 12 5 15 4 psi Determination of characteristics Limit point adjustment according to IEC 61298 2 Characteristics linear Reference installation position upright diaphragm points downward Influence of the installation position 0 2 mbar 20 Pa 0 003 psi Deviation determined according to the limit point method according to IEC 60770 Applies to digital HART interface as well as to analogue current output 4 20 mA Specifications refer to the set span Turn down TD nominal measuring range set span Deviation Turn down 1 1 up to 5 1 0 075 96 Turn down up to 10 1 0 015 x TD Deviation with absolutely flush process fittings EV FT Turn down 1 1 up to 5 1 0 05 Turn down up to 10 1 0 01 x TD 7 ncl non linearity hysteresis and non repeatability
12. 7836 50 201 E mail info de vega com www vega com O cce All statements concerning scope of delivery application practical use and operating conditions of the sensors and processing systems correspond to the information avail able at the time of printing VEGA Grieshaber KG Schiltach Germany 2007 Subject to change without prior notice 28432 EN 070718
13. A Fig 7 Adjustment elements of VEGADIS 12 1 Rotary switch choose the requested function 2 key change value rising 3 key change value falling e With the rotary switch the requested function is selected e With the and keys the signal current or the integration time are adjusted e Finally the rotary switch is set to position OPERATE The set values are transmitted to the EEPROM memory and remain there even in case of voltage loss Proceed as follows for adjustment with VEGADIS 12 1 Open housing cover 2 Connect hand multimeter to terminals 10 and 12 3 Meas range begin Set rotary switch to zero 18 VEGABAR 74 4 20 mA HART 817020 N3 cE v 8c 28432 EN 070718 Set up Adjustment steps integration time Adjustment steps scaling Empty the vessel or reduce process pressure Set a current of 4 mA with the and keys Meas range end Set rotary switch to span Fill the vessel or increase process pressure Set a current of 20 mA with the and keys 9 Operation Set rotary switch to OPERATE 10 Close housing cover The adjustment data are effective the output current 4 20 mA corresponds to the actual level o O OQ Proceed as follows for the adjustment of the integration time with VEGADIS 12 1 Open housing cover 2 Set rotary switch to ti 3 By pushing the key 10 times make sure that the integra
14. A GN 1 NPT GM G1 A 70 mm GR 16 NPT inner NPT 34 VEGABAR 74 4 20 mA HART 812020 NA cErse 28432 EN 070718 VEE Supplement VEGABAR 74 hygienic fitting 1 gt 9 41 6 mm 1 41 54 111 5 mm 4 25 64 217 mm 8 35 64 217 mm 8 35 64 218 5 mm 8 39 64 2 1 4 2 33 64 CC CA s Hj E L E E E ro ro N N SW 46 mm m sw46mm 278mm 992mm 3 5 16 2 19 30 3 5 64 3 5 8 TA TB RA RB Fig 13 VEGABAR 74 hygienic fitting CC Tri Clamp 174 CA Tri Clamp 2 LA hygienic fitting with compression nut F40 TA Tuchenhagen Varivent DN 32 TB Tuchenhagen Varivent DN 25 RA RB bolting DN 40 DN 50 according to DIN 11851 VEGABAR 74 4 20 mA HART 35 Supplement EEN VEGABAR 74 hygienic fitting 2 T 3 E E Li 9 41 6 mm m e 1 41 54 ri 5 ce E E N N N 8 8 SW 75 mm 2 61 64 G1A KA 266mm 2 23 4 2 19 52 295mm 105 mm 3 47 64 4 9 64 KH AA
15. Configuration four wires one suspension cable one breather capillary screen braiding metal foil mantle Wire cross section 0 5 mm AWG no 20 wire resistance 0 036 Ohm m 0 011 Ohm ft Standard length 6 m 19 685 ft max length with VEGADIS 12 200 m 656 168 ft 8 Tested according to the regulations of German Lloyd GL directive 2 9 Tested according to EN 60068 2 27 VEGABAR 74 4 20 mA HART 31 Supplement EEA Min bending radius at 25 C 77 F Diameter 25 mm 0 985 in approx 8 mm 0 315 in Colour standard PE Black Colour standard PUR Blue Colour Ex version Blue Voltage supply Supply voltage Non Ex instrument 12 36 V DC EEx ia instrument 12 29 V DC Permissible residual ripple lt 100 Hz Uss lt 1 V 100Hz 10 kHz Uss lt 10 mV Load see diagram Q 1000 710 500 T 250 T T T 28 29 30 32 34 36 V Fig 10 Voltage diagram VEGABAR 74 HART load Voltage limit Ex instrument Voltage limit non Ex instrument Voltage supply Q N Load in conjunction with VEGADIS 12 see diagram 32 VEGABAR 74 4 20 mA HART 812020 NA cErse 28432 EN 070718 Supplement Fig 11 Vollage diagram VEGABAR 74 with VEGADIS 12 HART loaq Voltage limit Ex instrument Voltage limit non Ex instrument Voltage supply O N Integrated over
16. Operating Instructions VEGABAR 74 4 20 mA HART Process pressure Hydrostatic N o Contents ASIAN Contents 1 About this document LE EUBCUOD s nado bos Men EE E t 5 12 Targetgroup 5 1 3 Symbolism used 5 2 For your safety 2 1 Authorised personnel 6 2 2 Appropriateuse 6 23 Warning about misuse 6 2 4 General safety instructions 6 2 5 Safety approval markings and safety tips 7 2 6 CE conformily 7 2 7 Fulfilling NAMUR recommendations 7 28 Safety instructions for Ex areas 8 2 9 Environmental instructions 8 3 Product description 3 4 Configuration 9 3 2 Principle of operation 10 3 3 Operation y wat etary sabes b cha S 10 3 4 Packaging transport and storage 11 4 Mounting 4 14 Generalinstructions 12 42 Mountingsteps 13 5 Connecting to power supply 5 1 Preparing the connection 14 5 2 Connection procedure 16 5 3 Wiringplan 17 6 Setup 6 1 Setup steps without VEGADIS 12 19 6 2 Setup steps with VEGADIS 12 19 7 Setup with PACTware 7 1 Connect the PC with VEGACONNECT 3 22 7 2 Connect the PC with VEGACONNECT 4
17. VEGABAR 74 4 20 mA HART 37 Supplement EEA VEGABAR 74 threaded fitting for paper industry 215 5mm 8 31 64 41 6mm 1 41 64 qm BA BB OSWA46 M44x1 25 174mm 6 27 32 64 5mm 2 35 64 Fig 16 VEGABAR 74 connection for paper industry BA BB M44x1 25 38 VEGABAR 74 4 20 mA HART 812020 NA cErse 28432 EN 070718 VEE Supplement VEGABAR 74 extension fitting for paper industry 645mm _ 2 35 64 s 41 6 mm jo pee san x E 1 41 64 3 E 2 85 mm 3 11 52 2 EIZ jo 14 mm 85 64 i m am m m FL Lp 1 I i I 1 ES EIR 5 o8 48 mm 1 57 64 115mm 4 17 32 FT EV T E 41 6 mm 1 41 64 geja Els o m e 115mm 4 17 32 d 238mm 1 1 2 EG Fig 17 VEGABAR 74 extension fitting for paper industry EV FT absolutely flush for pulper EV 2 times flattened EG extension for ball valve fitting L order specific VEGABAR 74 4 20 mA HART 39 Supplement ASIA 10 3 Industrial property rights 10 4 Tra
18. ailable functions depends on the respective software version of the individual components The software version of VEGABAR 74 HART can be read out via PACTware M Due to the flush diaphragm no own pressure compartment is formed VEGABAR 74 4 20 mA HART 8170720 N3 cE Tv 8c 28432 EN 070718 For your safety You can view all software histories on our website www vega com Make use of this advantage and get registered for update information via e mail 2 8 Safety instructions for Ex areas Please note the Ex specific safety information for installation and operation in Ex areas These safety instructions are part of the operating instructions manual and come with the Ex approved instruments 2 9 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 protection The environment man agement system is certified according to DIN EN ISO 14001 Please help us fulfil this obligation by observing the environ mental instructions in this manual e Chapter Packaging transport and storage e Chapter Disposal VEGABAR 74 4 20 mA HART Product description EEA Scope of delivery Components 3 Product description 3 1 Configuration The scope of delivery encompasses e VEGABAR 74 pressure transmitter e Documentation
19. cess temperatures often mean also higher ambient temperatures Make sure that the upper temperature limits stated in chapter Technical data for the environment of the electronics housing and connection cable are not exceeded Fig 2 Temperature ranges 1 Process temperature 2 Ambient temperature e The connection cable has a capillary for atmospheric pressure compensation gt Lead the cable end into a dry space or into a suitable terminal housing Information VEGA recommends the breather housing VEGABOX 02 or the indication adjustment VEGADIS 12 Both contain terminals and a ventilation filter for pressure compensation For mounting outdoors a suitable protective cover is available VEGABAR 74 4 20 mA HART 11 Mounting EEA Sealing Screwing in threaded versions Sealing Screwing in flange versions Sealing Screwing in hygienic fittings 4 2 Mounting steps Seal the thread with teflon hemp or a similar resistant seal material on the process fitting thread 1 NPT gt Screw VEGABAR 74 into the welded socket Tighten the hexagon on the process fitting with a suitable wrench Wrench size see chapter Dimensions Seal the flange connections according to DIN ANSI with a suitable resistant seal and mount VEGABAR 74 with suitable screws Use the seal suitable for the respective process fitting You can find the components in the line of VEGA accessories in the supplementary instr
20. demark VEGA product lines are global protected by industrial property rights Further information see http www vega com Only in U S A Further information see patent label at the sensor housing VEGA Produktfamilien sind weltweit gesch tzt durch gewerbliche Schutzrechte N here Informationen unter http www vega com Les lignes de produits VEGA sont globalement prot g es par des droits de propri t intellectuelle Pour plus d informations on pourra se r f rer au site http www vega com VEGA lineas de productos est n protegidas por los derechos en el campo de la propiedad industrial Para mayor informaci n revise la pagina web http www vega com Jinnnn npoaykuun bupMbi BETA sauujarorca no Bcemy Mupy npaBaMM Ha MHTeJITIeKTyanIbHyto CO CTBeHHOCTE Hanbre uuiyio uucpopvauyro cvoTpuTe Ha ca rTe http www vega com VEGA BI MELRE BARE MAP Xt 2548 BB S TM wh lt http www vega com gt All brands used as well as trade and company names are property of their lawful proprietor originator 40 VEGABAR 74 4 20 mA HART 817020 N3 cE Tv 8c 28432 EN 070718 Supplement VEGABAR 74 4 20 mA HART 41 Supplement EEA 42 VEGABAR 74 4 20 mA HART 817020 N3 cE Tv 8c 28432 EN 070718 Supplement VEGABAR 74 4 20 mA HART 43 VEBA VEGA Grieshaber KG Am Hohenstein 113 77761 Schiltach Germany Phone 49 7836 50 0 Fax 49
21. e indicating and adjustment module The procedure is described below Further comprehensive diagnostics can be carried out on a PC with the software PACTware and the suitable DTM In many cases the causes can be determined in this way and faults can be rectified However if these measures are not successful call the VEGA service hotline in urgent cases 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 Connect a handheld multimeter in the suitable measuring range according to the wiring plan 4 20 mA signal not stable e Level fluctuations gt Adjust integration time via PACTware e no atmospheric pressure compensation gt Check the capillaries and cut them clean 24 VEGABAR 74 4 20 mA HART 817070 N3 cETv 8c 28432 EN 070718 Maintenance and fault rectification Reaction after fault rectifica tion V Check the pressure compensation in the housing and clean the filter element if necessary 20 mA signal missing Wrong connection to power supply Check connection according to chapter Connection steps and if necessary correct according to chapter Wiring plan No voltage supply Check cables for breaks repair if necessary supply voltage too low or load
22. ecting to power supply and carry out the listed steps in reverse order 9 2 Disposal The instrument consists of materials which can be recycled by specialised recycling companies We use recyclable materials and have designed the electronics 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 in Germany e g ElektroG Pass the instrument directly on to a specialised 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 to persons and environment and ensures recycling of useful raw materials Materials see chapter Technical data If you cannot dispose of the instrument properly please contact us about disposal methods or return 26 VEGABAR 74 4 20 mA HART 817020 N3 cE Tv 8c 28432 EN 070718 WEE Supplement 10 Supplement 10 1 Technical data General data Manufacturer VEGA Grieshaber KG D 77761 Schiltach Type name VEGABAR 74 Parameter pressure Gauge pressure absolute pressure vacuum Measuring principle Ceramic capacitive dry measuring cell Communication interface None Materials and weights Material 316L corresponds to 1 4404 or 1 4435 Materials wetted parts Process fitting 316L Diaphragm sapphire ceramic 99 9 96 oxide ceramic Sea
23. il is also used Dispose of the packaging material via specialised recycling companies Transport must be carried out under consideration of the notes on the transport packaging Nonobservance of these instruc tions can cause damage to the device The delivery must be checked for completeness and possible transit damage immediately at receipt Ascertained transit damage or concealed 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 Not in 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 Supplement Technical data Ambient conditions e Relative humidity 20 85 10 VEGABAR 74 4 20 mA HART 817020 N3 cE Tv 8c 28432 EN 070718 Mounting Materials wetted parts Temperature limits Connection pue 4 Mounting 4 1 General instructions Make sure that the wetted parts of VEGABAR 74 especially the seal and process fitting are suitable for the existing process conditions such as pressure temperature etc as well as the chemical properties of the medium You can find the specifications in chapter Technical data in the Supplement Higher pro
24. ing Power supply unit or processing system Note With power supply units with integrated HART resistance internal resistance approx 250 Ohm an additional external resistance is not necessary This applies e g to the VEGA instruments VEGATRENN 149A VEGADIS 371 VEGAMET 381 Also usual Ex separators are most of the time equipped with a sufficient current limitation resistor In such cases VEGACONNECT 4 can be connected parallel to the 4 20 mA cable 22 VEGABAR 74 4 20 mA HART 817020 N3 cE Tv 8c 28432 EN 070718 Setup with PACTware pue 7 3 Parameter adjustment with PACTware Further setup steps are described in the operating instructions manual DTM Collection PACTware attached to each CD and which can also be downloaded from our homepage A detailed description is available in the online help of PACTware and the VEGA DTMs Note Keep in mind that for setup of VEGABAR 74 DTM Collection in the actual version must be used All currently available VEGA DTMs are provided in the DTM Collection on CD and can be obtained from the responsible VEGA agency for a token fee This CD includes also the up to date PACTware version The basic version of this DTM Collection incl PACTware is also available as a free of charge download from the Internet Go via www vega com and Downloads to the item Soft ware 7 4 Parameter adjustment with AMS and PDM For VEGA sensors in
25. l FKM e g Viton Kalrez 6375 EPDM Chem raz 535 Seal process fitting thread G A Klingersil C 4400 G11 A Materials non wetted parts Housing 316L Ground terminal 316Ti 316L Connection cable PUR FEP PE type label support on cable PE HART Weight 0 8 8 kg 1 8 17 6 Ibs depending on process fitting Output variable Output signal 4 20 mA HART Failure signal 22 mA 3 6 mA adjustable Max output current 22 5 mA Damping 63 96 of the input variable 0 10 s adjustable Step response or adjustment time 70 ms ti O s 0 63 96 Fulfilled NAMUR recommendations NE 43 Additional output parameter temperature Processing is made via HART Multidrop VEGABAR 74 4 20 mA HART 27 EEA Supplement Range 50 150 C 58 302 F Resolution 1 C 1 8 F Accuracy inthe range of 0 100 C 3 K 32 212 F inthe range of 50 0 C typ 4 K 58 32 F and 100 150 C 212 302 F Input variable Adjustment Zero adjustable Span adjustable Recommended max turn down 20 95 of the nominal measuring range 3 3 120 of the nominal measuring range 10 1 Nominal measuring ranges and overload resistance Nominal range Overload max pressure Overload min pressure Gauge pressure 0 1 bar 0 10 kPa 15 bar 1500 kPa 0 2 bar 20 kPa 0 0 0 2 bar 0
26. o the signal cable Fig 8 Connecting the PC to the signal cable 1 HRS232 connection with VEGACONNECT 3 or USB connection with VEGACONNECT 4 2 VEGABAR 74 3 HART adapter cable 4 HART resistance 250 Ohm optional depending on the processing Necessary components e VEGABAR 74 e PC with PACTware and suitable VEGA DTM e VEGACONNECT 3 or 4 with HART adapter cable art no 2 25397 e HART resistance approx 250 Ohm e Power supply unit Note With power supply units with integrated HART resistance internal resistance approx 250 Ohm an additional external resistance is not necessary e g VEGATRENN 149A VEGA DIS 371 VEGAMET 381 624 625 VEGASCAN 693 In such cases VEGACONNECT 3 can be connected parallel to the 4 20 mA cable pue VEGABAR 74 4 20 mA HART 21 Setup with PACTware AS EYA Connection via HART 7 2 Connect the PC with VEGACONNECT 4 ne EN Fig 9 Connecting the PC via HART to the signal cable AROMA VEGABAR 74 HART resistance 250 Ohm optional depending on the processing Connection cable with 2 mm pins and terminals Processing system PLC Voltage supply Necessary components VEGABAR 74 PC with PACTware and suitable VEGA DTM VEGACONNECT 4 HART resistance 250 Ohm optional depending on the process
27. on on the processing side must be made via a ceramic capacitor e g 1 nF 1500 V The low frequency potential equalisation currents are thus suppressed but the protective effect against high frequency interference signals remains Take note of the corresponding installation regulations for Ex applications In particular make sure that no potential equal isation currents flow over the cable screen In case of grounding on both sides this can be achieved by the use of a capacitor or a separate potential equalisation 14 VEGABAR 74 4 20 mA HART 817070 N3 cE v 8c 28432 EN 070718 VEGA Connecting to power supply 5 2 Connection procedure Direct connection Proceed as follows 1 Wire the connection cable up to the connection compart ment The bending radius must be at least 25 mm 2 Connect the wire ends to the screw terminals according to the wiring plan Via VEGABOX 01 or VEGADIS Proceed as follows 12 1 9 Snap connection housing onto the carrier rail or screw it to the mounting plate Loosen the cover screws and remove the cover Insert the cable through the cable entry into the connection housing housing Loosen the screws with a screwdriver Insert the wire ends into the open terminals according to the wiring plan Tighten the screws with a screwdriver Check the hold of the wires in the terminals by lightly pulling on them Tighten the compression nut of the cable entry The seal
28. rained specialist personnel authorised by the operator During work on and with the device the required personal protection equipment must always be worn 2 2 Appropriate use VEGABAR 74 is a pressure transmitter for measurement of gauge pressure absolute pressure and vacuum 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 Due to 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 Arbitrary conversions or modifications are explicitly forbidden 2 3 Warning about misuse 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 high tech instrument requiring the strict observance of standard regulations and guidelines The user must take note of the safety instructions in this operating instructions manual the country specific installation standards as well as all prevailing safety regulations and accident prevention rules The instrument must only be operated in a technically flawless and
29. resistance too high Check adapt if necessary y gt Vey Current signal 3 6 mA 22 mA e electronics module or measuring cell defective gt Exchange instrument or return instrument for repair In Ex applications the regulations for the wiring of intrinsically safe circuits must be observed Depending on the failure reason and measures taken the steps described in chapter Set up must be carried out again if necessary 8 3 Instrument repair If a repair is necessary please proceed as follows You can download a return form 23 KB from the Internet on our homepage www vega com under Downloads Forms and certificates Repair form By doing this you help us carry out the repair quickly and without having to call back for needed information e Print and fill out one form per instrument e Clean the instrument and pack it damage proof e Attach the completed form and if need be also a safety data sheet outside on the packaging e Please ask the agency serving you for the address of your return shipment You can find the respective agency on our website www vega com under Company VEGA world wide VEGABAR 74 4 20 mA HART 25 Dismounting EEA 9 Dismounting 9 1 Dismounting steps Warning Before dismounting be aware of dangerous process con ditions such as e g pressure in the vessel high temperatures corrosive or toxic products etc Take note of chapters Mounting and Conn
30. strument descriptions for the adjustment programs AMS and PDM are available as DD or EDD The instrument descriptions are already implemented in the current versions of AMS and PDM For older versions of AMS and PDM a free of charge download is available via Internet Go via www vega com and Downloads to the item Soft ware 7 5 Saving the parameter adjustment data It is recommended to document or save the parameter adjustment data They are hence available for multiple use or service purposes The VEGA DTM Collection and PACTware in the licensed professional version provide suitable tools for systematic project documentation and storage VEGABAR 74 4 20 mA HART 23 Maintenance and fault rectification EEA Reaction in case of failures Causes of malfunction Fault rectification 24 hour service hotline Checking the 4 20 mA sig nal 8 Maintenance and fault rectification 8 1 Maintenance When used as directed in normal operation VEGABAR 74 is completely maintenance free 8 2 Fault clearance The operator of the system is responsible for taken suitable measures to remove interferences VEGABAR 74 offers maximum reliability Nevertheless faults can occur during operation These may be caused by the following e g Sensor Process Supply Signal processing The first measures to be taken are to check the output signals as well as to evaluate the error messages via th
31. this document 1 1 Function This operating instructions manual provides all the information you need for mounting connection and setup as well as important instructions for maintenance and fault rectification Please read this information 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 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 malfunc tions 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 Numbers set in front indicate successive steps in a procedure VEGABAR 74 4 20 mA HART 812020 NA cErse 28432 EN 070718 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 t
32. tion time is set to 0 sec 4 For every 1 sec requested integration time push the key once 5 The integration time is the time required by the output current signal to reach 90 of the actual height after a sudden level change 6 Set rotary switch to OPERATE 7 Close housing cover The display outputs the current 4 20 mA as bar graph and digital value With 4 mA no segment of the bar graph appears with 20 mA all segments appear This assignment is fix You can scale the digital value to any value between 9999 9999 via the adjustment module Proceed as follows for scaling the indication of VEGADIS 12 Open housing cover Initial value Set rotary switch to zero Set the requested value e g 0 with the and keys Final value Set the rotary switch to span Set the requested value e g 1000 with the and keys Decimal point Set the rotary switch to point With the and keys you can adjust the requested value e g 8888 no decimal point O Q GQ NN VEGABAR 74 4 20 mA HART 19 Set up EEA 8 Set rotary switch to OPERATE 9 Close housing cover The adjustment data are effective the output current 4 20 mA corresponds to the actual level 20 VEGABAR 74 4 20 mA HART 817020 N3 cE Tv 8c 28432 EN 070718 VEE Setup with PACTware 7 Setup with PACTware 7 1 Connect the PC with VEGACONNECT 3 Connecting the PC t
33. uctions manual Welded socket and seals 12 VEGABAR 74 4 20 mA HART 817020 N3 cE Tv 8c 28432 EN 070718 Connecting to power supply Note safety instructions Take note of safety instructions for Ex applications Select power supply Selecting connection cable 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 e lf overvoltage surges are expected versions with inte grated overvoltage arresters should be used or external overvoltage arresters should be installed Tip We recommend the version of VEGABAR 74 with integrated overvoltage arrester or VEGA type USB62 36G X as external overvoltage arreaster In hazardous areas you should take note of the appropriate regulations conformity and type approval certificates of the sensors and power supply units Power supply and current signal are carried on the same two wire cable The voltage supply range can differ depending on the instrument version The data for power supply are stated in chapter Technical data in the Supplement Provide a reliable separation of the supply circuit from the mains circuits according to DIN VDE 0106 part 101 VEGA power supply units VEGATRENN 149AEx VEGASTAB 690 VEGADIS 371 as well as all VEGAMETS meet this requirement When using one of these instruments protection class Ill is
34. viation max practical deviation is the sum of basic accuracy and long term stability Fiotai Fpert Fstab Fpert V Fr Fia With Fiuta Total deviation Foerr Basic accuracy Fstab Long term drift 30 VEGABAR 74 4 20 mA HART 817020 N3 cE Tv 8c 28432 EN 070718 Vele Supplement F Temperature coefficient influ ence of medium or ambient tem perature Fk Deviation Ambient conditions Ambient storage and transport temperature Connection cable PE 40 60 C 40 140 F Connection cable PUR FEP 40 85 C 40 185 F Process conditions The specifications of the pressure stage are used as an overview The specifications on the type plate are applicable Pressure stage process fitting Thread 316L PN 60 Thread Alu PN 25 Hygienic fittings 316L PN 10 PN 16 PN 25 PN 40 Flange 316L flange with extension PN 40 or 150 Ibs 300 Ibs 316L Product temperature depending on the measuring cell seal FKM e g Viton 20 100 C 4 212 F EPDM 40 100 C 40 212 F 1 h 140 C 284 F cleaning temperature Kalrez 6375 FFKM 10 100 C 14 212 F Chemraz 535 30 100 C 22 212 F Vibration resistance mechanical vibrations with 4 g and 5 100 Hz9 Shock resistance Acceleration 100 g 6 ms9 Electromechanical data Connection cable
35. voltage protection Nominal leakage current 8 20 us Min response time 10 kA lt 25 ns Electrical protective measures Protection Overvoltage category Protection class IP 68 25 bar IP 69K I II Approvals ATEX ia Ship approvals Others 0 ATEX Il 1G EEx ia IIC T6 ATEX Il 2G EEx ia IIC T6 GL LRS ABS CCS RINA DNV WHG Deviating data in Ex applications see separate safety instructions VEGABAR 74 4 20 mA HART 33 Supplement ASIAN 10 2 Dimensions VEGABAR 74 threaded fitting E E 2 41 6 mm 1 41 64 AX E gt 2 9 amp E E g E e al te lO wo a A 8 SW 27mm Elo SW 46 mm TETTE E E 1 1 46 i 2 SW 27mm 1 13 46 Sm q 1 16 8 GA GYA G1 A Ec NPTT 3 mm 1 8 ES m 6 mm 15 64 2 11 64 GV GI GG GN VEN 64 5mm 2 35 64 gt Elo e E E E 5 g amp en i g Sw46mm Q 1 13 36 SW 27mm Els S 3 G1vA 1 1 46 HE Cr 1 NPT EIS 1 NPT s GG 2 11 64 S GM GR Fig 12 VEGABAR 74 threaded fitting GV G2 A manometer connection EN 837 GI G1 A inner G1 4 A GG G1
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