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Vega VEGAFLEX 80 series Safety Manual

Manual is about: Guided Wave Radar Level Transmitter/Two-wire 4 20 mA/HART With SIL qualification

Summary of VEGAFLEX 80 series

  • Page 1

    Safety manual vegaflex 80 series two-wire 4 … 20 ma/hart with sil qualification document id: 42960

  • Page 2: Contents

    2 contents vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 contents 1 document language 2 scope 2.1 instrument version ............................................................................................................ 4 2.2 area of application ....................................

  • Page 3: 1  Document Language

    3 1 document language vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 1 document language de das vorliegende safety manual für funktionale sicherheit ist verfügbar in den sprachen deutsch, englisch, französisch und russisch. En the current safety manual for functional safety is availabl...

  • Page 4: 2 Scope

    4 2 scope vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 2 scope 2.1 instrument version this safety manual applies to tdr sensors vegaflex 81, 82, 83, 86 electronics types: • two-wire 4 … 20 ma/hart with sil qualification • two-wire 4 … 20 ma/hart with sil qualification and supplemen- ...

  • Page 5

    5 2 scope vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 the certificate is valid for the entire service life of all instruments that were sold before the certificate expired!.

  • Page 6: 3 Planning

    6 3 planning vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 3 planning 3.1 safety function the sensor generates on its current output a signal between 3.8 ma and 20.5 ma corresponding to the process variable. This analogue signal is fed to a connected processing system to monitor the f...

  • Page 7

    7 4 safety-related characteristics vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 4 safety-related characteristics 4.1 characteristics acc. To iec 61508 parameter value safety integrity level sil2 in single-channel architecture sil3 in multiple channel architecture 3) hardware fault to...

  • Page 8

    8 4 safety-related characteristics vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 4.3 characteristics acc. To iec 61508 for versions with approval ex-d-ia/xp-ais parameter value safety integrity level sil2 in single-channel architecture sil3 in multiple channel architecture 8) hardware...

  • Page 9

    9 4 safety-related characteristics vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 4.5 supplementary information the failure rates of the instruments were determined by an fmeda according to iec 61508. The calculations are based on failure rates of the components according to sn 29500: ...

  • Page 10: 5 Setup

    10 5 setup vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 5 setup 5.1 general information take note of the mounting and installation instructions in the operating instructions manual. Setup must be carried out under process conditions. When locking the adjustment, the instrument checks...

  • Page 11

    11 5 setup vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 the exact process is described in the operating instructions. The instrument is shipped in locked condition! For verification, all modified, safety-relevant and non safety-relevant parameters are shown. The verification texts ar...

  • Page 12

    12 6 diagnostics and servicing vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 6 diagnostics and servicing 6.1 behaviour in case of failure the instrument permanently monitored by an internal diagnostic system. If a malfunction is detected, a failure signal will be outputted on the safe...

  • Page 13: 7  Proof Test

    13 7 proof test vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 7 proof test 7.1 general information to identify possible dangerous, undetected failures, the safety func- tion must be checked by a proof test at adequate intervals. It is the user's responsibility to choose the type of te...

  • Page 14

    14 7 proof test vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 see safety-related characteristics 7.3 test 2: with check of the process variable • instrument can remain in installed condition • output signal corresponds to the assigned process variable • device status in the menu diagn...

  • Page 15

    15 8 appendix a: test report vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 8 appendix a: test report identification company/tester plant/instrument tag meas. Loop tag instrument type/order code instrument serial number date, setup date of the last proof test test reason/test scope set...

  • Page 16: 9 Appendixb:termdefinitions

    16 9 appendix b: term definitions vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 9 appendixb:termdefinitions sil safety integrity level (sil1, sil2, sil3, sil4) sc systematic capability (sc1, sc2, sc3, sc4) hft hardware fault tolerance sff safe failure fraction pfd avg average probabil...

  • Page 17

    17 10 supplement c: sil conformity vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410 10 supplement c: sil conformity.

  • Page 18

    18 10 supplement c: sil conformity vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410

  • Page 19

    19 notes vegaflex 80 series • two-wire 4 … 20 ma/hart 42960-en-170410

  • Page 20

    Printing date: vega grieshaber kg am hohenstein 113 77761 schiltach germany 42960-en-170410 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. Subjec...