Test 1: Without checking the process variable ..............13 Test 2: With check of the process variable ..............14 Appendix A: Test report 9 Appendix B: Term definitions 10 Supplement C: SIL conformity Editing status: 2017-04-06 VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...
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. VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...
• from SW Ver 1.0.0 Probe types: • Only original probes of VEGA Grieshaber KG must be used! For versions with Ex-d-ia/XP-AIS approval the separe safety-related characteristics are valid (see chapter Safety-related characteristics)! Corresponding type code: VEGAFLEX FX8*(*).*D/I/V/P****A***** Area of application...
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2 Scope The certificate is valid for the entire service life of all instruments that were sold before the certificate expired! VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...
• 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)" VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...
Including errors outside the safety function. Time during which all internal diagnoses are carried out at least once. See section "Proof test". ISO 13849-1 was not part of the certification of the instrument. VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...
Including errors outside the safety function. Time during which all internal diagnoses are carried out at least once. See section "Proof test". ISO 13849-1 was not part of the certification of the instrument. VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...
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 (CCF) must be considered (see IEC 61508-6, appendix D). VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...
Parameter adjustment proceeds according to the following steps: • Unlock adjustment • Change parameters • Lock adjustment and verify modified parameters VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...
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If necessary, you must take other measures to maintain the safety function. Warning: Instrument reset In case a reset to "Delivery status" or "Basic adjustment" is carried out, all safety-relevant parameters must be checked or set anew. VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...
The procedure is described in the operating instructions manual. Note the instructions for parameter adjustment and setup. Software update The procedure is described in the operating instructions manual. Note the instructions for parameter adjustment and setup. VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...
Expected result Step 1: Output signal corresponds to the assigned process variable and the device status in the menu Diagnosis is "OK" Step 2: Adjustment unit signals "Test successful" VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...
Step 1: Output signal corresponds to the assigned process variable and the device status in the menu Diagnosis is "OK" Step 2: Adjustment unit signals "Test successful" Step 3: Successful function test Proof Test Coverage See Safety-related characteristics VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...
Test point Process variable Expected measured Real value Test result value Value 1 Value 2 Value 3 Value 4 Value 5 Confirmation Date: Signature: e.g.: limit level, level, interface, pressure, flow, density VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...
MTBF Mean Time Between Failure MTTF Mean Time To Failure MTTR Mean Time To Restoration (Ed.2) Mean Repair Time Mean Time To dangerous Failure (ISO 13849-1) MTTF Performance Level (ISO 13849-1) VEGAFLEX 80 series • Two-wire 4 … 20 mA/HART...