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Operating Instructions
VEGAWELL 72
4 ... 20 mA/HART PT 100
p
Process pressure/
Hydrostatic

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Summary of Contents for Vega VEGAWELL 72

  • Page 1 Operating Instructions VEGAWELL 72 4 … 20 mA/HART PT 100 Process pressure/ Hydrostatic...
  • Page 2: Table Of Contents

    Maintenance ......26 Remove interferences ....26 VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 3 "Product description". Instructions manuals for accessories and replacement parts Tip: To ensure reliable setup and operation of your VEGAWELL 72, we offer accessories and replacement parts. The associated documents are: 32798 - VEGABOX 02 VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 4: About This Document

    List The dot set in front indicates a list with no implied sequence. à Action This arrow indicates a single action. Sequence Numbers set in front indicate successive steps in a procedure. VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 5: For Your Safety

    During work on and with the device the required personal protection equipment must always be worn. 2.2 Appropriate use VEGAWELL 72 is a suspension pressure transmitter for level and gauge measurement. You can find detailed information on the application range in chapter "Product description".
  • Page 6: Safety Approval Markings And Safety Tips

    The range of available functions depends on the respective software version of the individual components. The software version of the instrument can be read out via PACTware. VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 7: Safety Instructions For Ex Areas

    2 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.
  • Page 8: Product Description

    Documentation - this operating instructions manual - test certificate - Ex-specific "Safety instructions" (with Ex-versions) - if necessary, further certificates VEGAWELL 72 with suspension cable consists of the following Components components: Transmitter suspension cable (optionally available with plastic housing) VEGAWELL 72 with connection tube consists of the following...
  • Page 9 3 Product description Fig. 1: Example of a VEGAWELL 72 with screwed connection Transmitter Suspension cable Threaded fitting Protective cap The type label contains the most important data for identi- Type label fication and use of the instrument: Article number...
  • Page 10: Principle Of Operation

    Its capacity to handle normal loads during transport is assured by a test according to DIN EN 24180. For use in closed vessels under vacuum, VEGAWELL 72 is available with absolute pressure measuring ranges. VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 11 Not exposed to corrosive media Protected against solar radiation Avoiding mechanical shock and vibration Storage and transport temperature see "Supplement - Storage and transport temperature Technical data - Ambient conditions" Relative humidity 20 … 85 % VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 12: Mounting

    Mounting position location. Sideways movements of the transmitter can cause measurement errors à Therefore, mount VEGAWELL 72 in a calm area or in a suitable protective tube Information: We recommend the measuring instrument holder from the VEGA line of accessories (article no. BARMONT.B) for fastening VEGAWELL 72.
  • Page 13: Mounting Steps With Straining Clamp

    4 Mounting Fig. 2: Mounting example: Application in pump shaft 4.2 Mounting steps with straining clamp Fig. 3: Straining clamp Suspension cable Suspension opening Clamping jaws VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 14: Mounting Steps With Screwed Connection

    Mount VEGAWELL 72 with screwed connection as follows: 1 Weld the welded socket into the vessel top 2 Lower VEGAWELL 72 to the requested height by means on the welded socket G1½ A or 1½ NPT on the vessel side...
  • Page 15: Mounting Steps With Threaded Connection Or Housing

    Housing Seal Thread Mount VEGAWELL 72 as follows: Mount into the vessel 1 Weld the welded socket G1½ A or 1½ NPT to the vessel 2 Shift transmitter through the mounting boss VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 16 1 Fasten the mounting bracket at the suitable height on the basin wall Information: We recommend articles from the line of VEGA accessories: Mounting angle of stainless steel Counter nut of PP 2 Lead the transmitter through the opening of the mounting...
  • Page 17: Connecting To Power Supply

    If overvoltage surges are expected, overvoltage arresters should be installed Tip: We recommend the following VEGA overvoltage arresters: B63-48 (use in plastic housing of VEGAWELL 72) ÜSB 62-36G.X (use in a separate housing) In hazardous areas you should take note of the appropriate Take note of regulations, conformity and type approval certificates of the...
  • Page 18 We generally recommend the use of screened cable for HART multidrop mode. Fig. 6: Connect VEGAWELL 72 to power supply Direct connection Connection via VEGABOX 02 Connection via housing...
  • Page 19: Connection Procedure

    Proceed as follows: Via the housing 1 Unscrew the housing cover The connection cable is already preconfectioned. After shortening the ca- ble, fasten the type plate with support again to the cable. VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 20: Wiring Plan

    Yellow: for processing of the integrated Pt 100 (measurement) Red: for processing of the integrated Pt 100 (measurement) Black: for processing of the integrated Pt 100 (power supply) Shielding Breather capillaries with filter element VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 21 The two terminals are galvanically connected. Connect screen to ground terminal. Connect ground terminal on the outside of the housing as prescribed. The two terminals are galvanically connected. VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 22 Power supply Pt 100 White Measurement Pt 100 Yellow Measurement Pt 100 Connect screen to ground terminal. Connect ground terminal on the outside of the housing as prescribed. The two terminals are galvanically connected. VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 23: Switch On Phase

    Power supply Pt 100 Black 5.4 Switch on phase After connecting VEGAWELL 72 to power supply or after a voltage recurrence, the instrument carries out a self-check: Internal check of the electronics 4 … 20 mA output jumps to the failure signal The insturment delivers after this run-up period a current of 4 …...
  • Page 24: Setup With Pactware

    Connecting the PC to the signal cable Fig. 11: Connection of the PC to VEGABOX 02 or communication resistor PC with PACTware RS232 interface (with VEGACONNECT 3), USB interface (with VEGA- CONNECT 4) VEGACONNECT 3 or 4 Communication resistor 250 Ω...
  • Page 25: Parameter Adjustment With Pactware

    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.
  • Page 26: Maintenance And Fault Rectification

    However, should these measures not be successful, call the 24 hour service hotline 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.
  • Page 27: Shorten Suspension Cable

    3 Hold the hexagon on the screwed socket with SW 46 and loosen with seal screw SW 22 Caution: Seal screw is secured with Loctide pink, mote breakaway torque! VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 28 4 Pull the suspension cable out of the screwed socket, remove the pressure screw, cone sleeve and seal cone from the cable 5 Remove the filter adapter from the transparent capillary line VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 29: Instrument Repair

    You can download a return form (23 KB) from our Internet 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. VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 30 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" VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 31: Dismounting

    Materials: see chapter "Technical data" If you have no possibility to dispose of the old instrument professionally, please contact us concerning return and disposal. VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 32: Supplement

    - transport protection net Weight approx. - Basic weight 0.8 kg (1.764 lbs) - Suspension cable 0.1 kg/m (0.07 lbs/ft) - Straining clamp 0.2 kg (0.441 lbs) 0.4 kg (0.882 lbs) - Threaded fitting VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 33 0 … 35 psig 700 psig -15 psig 0 … 70 psig 950 psig -15 psig 0 … 150 psig 1300 psig -15 psig 0 … 350 psig 1900 psig -15 psig VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 34 (12.5 … 15.4 psig) Determination of characteristics Limit point adjustment according to IEC 61298-2 Characteristics curve linear Reference installation position upright, diaphragm points downward Influence of the installation position < 0.2 mbar/20 Pa (0.003 psig) VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 35 Specifications refer to the set span. Turn down (TD) is the relation nominal measuring range/set span. Long-term drift of the zero signal < (0.1 % x TD)/year Incl. non-linearity, hysteresis and non-repeatability. VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 36 -20 … +80 °C (-4 … +176 °F) -20 … +80 °C (-4 … +176 °F) FFKM -10 … +80 °C (+14 … +176 °F) FFKM Limited by the overpressure resistance of the measuring cell. VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 37 Permissible residual ripple - < 100 Hz < 1 V - 100 Hz … 10 kHz < 10 mV see diagram Load Tested according to the regulations of German Lloyd, GL directive 2. VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 38 - ATEX IEC Ex ia IIC T6 - IEC Ex-Zone 2 - PTB - Ship approvals GL, LRS, ABS, CCS, RINA, DNV - Others Deviating data in Ex applications: see separate safety instructions. VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 39: Dimensions

    Deep well version with unassembled threaded fitting G1½ A (1½ NPT) and closing cap with PE plastic coating Transmitter with screwed connection of PVDF with thread G1½ A (1½ NPT) and plastic housing VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 40: Industrial Property Rights

    9 Supplement 9.3 Industrial property rights 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 geschützt durch gewerbliche Schutzrechte.
  • Page 41 9 Supplement VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 42 9 Supplement VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 43 9 Supplement VEGAWELL 72 • 4 … 20 mA/HART PT...
  • Page 44 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 2008 Subject to change without prior notice 34360-EN-080806...

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