Magnetrol Eclipse 705 Functional Safety Manual
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Magnetrol Eclipse 705 Functional Safety Manual

Sil safety manual (hart) guided wave radar overfill
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Download this manual See also: Operating Manual
Functional Safety Manual
SIL Safety Manual for
Enhanced Model 705
Guided Wave Radar
Level Transmitter
This manual complements and is intended to be used with
the Enhanced Model 705 Installation and Operating manual
(Bulletin 57-600 dated ugust 2005 or later).
Application
The Enhanced Model 705 (HART
Radar Overfill protection level transmitter can be
applied in most process or storage vessels, bridles, and
bypass chambers up to the probe's rated temperature
and pressure. The Enhanced Model 705 can be used in
liquids, slurries or solids with a dielectric constant in the
range 1.4–100 to meet the safety system requirements of
IEC 61508/IEC 61511-1.
Benefits
The Magnetrol
®
Model 705 (HART) provides the
following benefits to your operation:
• Overfill protection up to SIL 2 (Safe Failure Fraction
= 91%) as independently assessed (hardware assess-
ment) by exida.com as per IEC 61508/ IEC 61511-1.
• Ability to measure reliably to the very top of the vessel.
Meets TÜV: WHG 19 overfill specifications when
used with Model 7xD, 7xR, and 7xS probes.
• Probe designs to +800 ° F (+427° C),
6250 psig (430 bar) and full vacuum
• Cryogenic applications to -320° F (-190° C)
• IS, XP and Non-Incendive approvals
• Quick connect / disconnect probe coupling.
Software v3.x
) Guided Wave
®

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Summary of Contents for Magnetrol Eclipse 705

  • Page 1 1.4–100 to meet the safety system requirements of IEC 61508/IEC 61511-1. Benefits The Magnetrol ® Model 705 (HART) provides the following benefits to your operation: • Overfill protection up to SIL 2 (Safe Failure Fraction = 91%) as independently assessed (hardware assess- ment) by exida.com as per IEC 61508/ IEC 61511-1.

  • Page 2: Table Of Contents

    Eclipse Enhanced Model 705 Guided Wave Radar Level Transmitter ® SIL 1/SIL 2 Versions Table of Contents 1.0 Introduction ..............3 5.6.1 General............7 1.1 Product Description ..........3 5.6.2 Configuration..........7 1.2 Theory of Operation..........3 5.6.3 Write Protecting / Locking ......7 1.3 Determining Safety Integrity Level......3 5.6.4 Write Enabling / Unlocking ......8 2.0 Level Measuring System ..........4 5.7 Site Acceptance Testing ..........8...

  • Page 3: Introduction

    Introduction Product Description The Eclipse Enhanced Model 705 Guided Wave Radar ® Level Transmitter is a loop-powered, 24 VDC level trans- mitter, based on Guided Wave Radar (GWR) technology. For Safety Instrumented Systems usage it is assumed that Table 1 the 4–20 mA output is used as the primary safety variable.

  • Page 4: Level Measuring System

    The only unsafe mode is when the unit is reading an incor- rect level within the 4-20mA range (> ±2% deviation). MAGNETROL defines a safe failure as one in which the 4-20 mA current is driven out of range (i.e., less than 3.8 Eclipse ®...

  • Page 5: Overvoltage

    2.2.2 Overvoltage The MAGNETROL Model 705 has over-voltage protection per CE requirements. When considering Hi-pot, Fast Transients and Surge, this protection is to 1000 volts. Therefore, there should be no unsafe failure modes up to 1 KV. Overvoltage Category II is a local level, covering appliances, portable equipment, etc., with smaller transient overvoltages...

  • Page 6: Environmental

    Careful selection of probe design and materials for a specific application will minimize media buildup on the probe. See Section 3.3.3 of Installation and Operating Manual 57-600 for more detailed application information and limitations. 5.1.2 Environmental See Sect. 3.6.1 of Installation and Operating Manual 57-600 for Environmental limitations.

  • Page 7: Configuration

    Logic Solver. Configuration 5.6.1 General The MAGNETROL Model 705 can be configured via the local display, or via HART compatible handheld terminal or personal computer. 5.6.2 Configuration Ensure the parameters have been properly configured for the application and probe.

  • Page 8: Write Enabling / Unlocking

    Output current will be driven to 3.6 or 22mA (customer dependent) upon detection of a Fault. 5.9.2 Troubleshooting Report all failures to MAGNETROL. Refer to Section 3.3 of the ECLIPSE Enhanced Model 705 Installation and Operating Manual Bulletin 57-600 for troubleshooting device errors.

  • Page 9: Recurrent Function Tests

    Recurrent Function Tests Proof Testing 6.1.1 Introduction Following are the procedures utilized to detect Dangerous Undetected (DU) failures. The procedure will detect approximately 97% of possible DU failures in the Model 705-510*-*** and 94% of failures in the Model 705-51A*-***. 6.1.2 Interval To maintain the Safety Integrity Level of a Safety Instrumented System, it is imperative that the entire system...

  • Page 10: Proof Test Procedure

    6.1.4 Proof Test Procedure A suggested proof test is described below. This test will detect approximately 97% of possible DU failures in Model 705-510*-*** of the ECLIPSE Enhanced Model 705 Guided Wave Radar Level Transmitter. The test will detect approximately 94% of possible DU failures in Model 705-51A*-*** of the ECLIPSE Enhanced Model 705.

  • Page 11: Appendices

    Appendices SIL Declaration of Conformity Functional safety according to IEC 61508/IEC 61511 Magnetrol International, Incorporated 5300 Belmont Road, Downers Grove, Illinois 60515 declares as the manufacturer, that the level transmitter: Guided Wave Radar (4-20 mA) Model 705-51x-xxx is suitable for the use in safety instrumented systems accord-...

  • Page 12: Fmeda Report- Management Summary

    FMEDA Report: Exida Management Summary 57-650 Eclipse ® SIL Functional Safety Manual...
  • Page 13 57-650 Eclipse ® SIL Functional Safety Manual...

  • Page 14: Specific Model 705-5 Values

    Specific Model 705 Values Specific Model 705 Eclipse ® Eclipse ® Eclipse ® Model 705-51Ax-xxx Model 705-510x-xxx Model 705-51-xx-xxx SIL 2 SIL 1 91.0% 84.5% PFD avg 4.69E-04 8.06E-04 Proof Test Interval Annually Annually (refer to table below for (refer to table below for other periods) other periods) Proof Test Interval...

  • Page 15: Report- Lifetime Of Critical Components

    Report: Lifetime of Critical Components Although a constant failure rate is assumed by the proba- bilistic estimation method, this only applies provided that the useful lifetime of components is not exceeded. Beyond their useful lifetime the result of the probabilistic calculation method is therefore meaningless, as the probability of failure significantly increases with time., The useful lifetime is highly dependent on the component itself and its operating...
  • Page 16 61511-1 Mod) – Informative” Disclaimer The SIL values in this document are based on an FMEDA analysis using exida’s SILVER Tool. MAGNETROL accepts no liability whatsoever for the use of these numbers of for the correctness of the standards on which the general calculation methods are based.

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