Vega VEGASWING 66 Safety Manual
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Vega VEGASWING 66 Safety Manual

Relay vibrating level switch for liquids, two-wire 8/16 ma, with sil qualification
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Safety Manual
VEGASWING 66
Two-wire (8/16 mA)
With SIL qualification
Document ID: 45309

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Summary of Contents for Vega VEGASWING 66

  • Page 1 Safety Manual VEGASWING 66 Two-wire (8/16 mA) With SIL qualification Document ID: 45309...

  • Page 2: Table Of Contents

    Behaviour in case of failure .................... 10 Repair ..........................10 Proof test General information ......................11 7.2 Test 1 - without filling or dismounting the sensor ............11 7.3 Test 2 - with filling or dismounting of the sensor ............. 12 Appendix A - Test report 9 Appendix B - Term definitions 10 Supplement C - SIL conformity Editing status: 2013-07-22 VEGASWING 66 • Two-wire (8/16 mA)

  • Page 3: Document Language

    The current Safety Manual for Functional Safety is available in German, English, French and Russian language. Le présent Safety Manual de sécurité fonctionnelle est disponible dans les langues suivantes: allemand, anglais, français et russe. Данное руководство по функциональной безопасности Safety Manual имеется на немецком, английском, французском и русском языках. VEGASWING 66 • Two-wire (8/16 mA)

  • Page 4: Scope

    2 Scope Scope Instrument version This safety manual applies to point level sensors VEGASWING 66 - Two-wire (8/16 mA) with SIL qualification Electronics module: • SG60HT-L Valid versions: • from HW Ver 1.0.0 • from SW Ver 1.1.0 The version "remote housing" is excluded!

  • Page 5: Planning

    ≤ 3.6 mA ("fail low") • > 21 mA ("fail high") Prerequisites for operation • Instructions and restric- The measuring system should be used appropriately taking pres- tions sure, temperature, density and chemical properties of the medium into account. The application-specific limits must be maintained. VEGASWING 66 • Two-wire (8/16 mA)
  • Page 6 • The instructions in chapter "Safety-related characteristics", para- graph "Supplementary information" must be noted • All parts of the measuring chain must correspond to the planned "Safety Integrity Level (SIL)" VEGASWING 66 • Two-wire (8/16 mA)

  • Page 7: Safety-Related Characteristics

    Time during which all internal diagnoses are carried out at least once Time between the occurrence of the event and the output of a fault signal. ISO 13849-1 was not part of the certification of the instrument. VEGASWING 66 • Two-wire (8/16 mA)
  • Page 8 The safety-related characteristics must be calculated especially for the selected structure of the measuring chain using the stated failure rates. In doing this, a suitable Common Cause Factor must be consid- ered (see IEC 61508-6, appendix D). VEGASWING 66 • Two-wire (8/16 mA)

  • Page 9: Setup

    During parameter adjustment, the safety function must be considered Instructions as unreliable! If necessary, you must take other measures to maintain the safety function. The sensor must be protected against inadvertent or unauthorized modification! VEGASWING 66 • Two-wire (8/16 mA)

  • Page 10: Diagnostics And Service

    The manufacturer must be informed of the occurrence of a danger- ous, undetected error (incl. fault description). Electronics exchange The procedure is described in the operating instructions manual. Note the instructions for parameter adjustment and setup. VEGASWING 66 • Two-wire (8/16 mA)

  • Page 11: Proof Test

    Fault message - Empty signal - Full signal (see operating instruc- tions). Afterwards, the output signal corresponds to the level. to 2: Output signal changes status Coverage of the test Remaining dangerous, undetected failures: 12 FIT (PTC = 61 %) VEGASWING 66 • Two-wire (8/16 mA)

  • Page 12: Test 2 - With Filling Or Dismounting Of The Sensor

    Fault message - Empty signal - Full signal (see operating instruc- tions). Afterwards, the output signal corresponds to the level. to 2: Output signal changes status to 3: Output signal corresponds to the modified level Remaining dangerous, undetected failures: 2 FIT (PTC = 95 %) Coverage of the test VEGASWING 66 • Two-wire (8/16 mA)

  • Page 13: Appendix A - Test Report

    Date, last function test Test reason/Test scope Setup without "filling or dismounting the sensor" Setup with "filling or dismounting the sensor" Proof test without "filling or dismounting the sensor" Proof test with "filling or dismounting the sensor" Mode Overflow protection Dry run protection Sensitivity ≥ 0.7 g/cm³ (0.025 lbs/in³) ≥ 0.5 g/cm³ (0.018 lbs/in³) Test result (if necessary) Test step Level Expected measured Real value Test result value Confirmation Date: Signature: VEGASWING 66 • Two-wire (8/16 mA)

  • Page 14: Appendix B - Term Definitions

    Proof Test Coverage Proof Test Interval Life Time MTBF Mean Time Between Failure MTTF Mean Time To Failure MTTR Mean Time To Restoration (Ed.2) MTTF Mean Time To dangerous Failure (ISO 13849-1) Performance Level (ISO 13849-1) VEGASWING 66 • Two-wire (8/16 mA)

  • Page 15: 10 Supplement C - Sil Conformity

    10 Supplement C - SIL conformity 10 Supplement C - SIL conformity VEGASWING 66 • Two-wire (8/16 mA)
  • Page 16 Subject to change without prior notice © VEGA Grieshaber KG, Schiltach/Germany 2013 Phone +49 7836 50-0 VEGA Grieshaber KG Am Hohenstein 113...

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