SIL Verification Tools

SILcet is a powerful tool designed for SIL Verification of Safety Instrumented Functions (SIFs), complying with IEC 61508, IEC 61511, and ISA TR84.00.02 standards. It is available in two versions:

  • SILcet Cloud – A web-based version with a modern, user-friendly interface where calculations are performed on secure cloud servers.
  • SILcet Pro Plus – An Excel-based version that runs locally on Windows PCs, utilizing Excel macros for calculations.

Stand-alone PC application for converting SILcet Pro Plus projects to SILcet Cloud.

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Key Features

  • Both versions provide identical calculation results.
  • SILcet Cloud provides two types of databases for sensor, actuator, and logic solver subsystems. The User Database offers full flexibility, allowing users to add their own devices and customize data as needed. The SILcet Database includes a comprehensive selection of predefined devices, featuring generic entries for commonly used components such as transmitters, valves, and actuators, etc. SILcet Pro Plus provides a User Database, including a few devices.
  • Flexible Data Management: Users can export all data from SILcet Cloud to Excel and import it back, making it highly convenient for those who prefer to enter all SIF data in their own Excel workbook first and later transfer it to SILcet Cloud.
  • Both versions allow the generation of different types of reports in multiple languages. These include SIF list reports, summary result reports, and detailed reports featuring results, charts, architecture diagrams, and data tables.
  • System Requirements
  • SILcet Cloud – Requires an internet connection and Microsoft Excel 2013 or later (or compatible software that supports .xlsx files).
  • SILcet Pro Plus – Requires Windows 7 or later and Microsoft Excel 2013 or later.

Technical Features

  • Supports both low demand and high demand SIFs, considering all three IEC requirements: systematic capability, probability of failure, and architectural constraints.
  • Architecture Selection: Users can select simple architectures (e.g., 1oo1, 1oo2, 2oo2, 2oo3, 1oo3, … MooN) and configure complex architectures as needed.
  • Main Calculation Parameters:
  • Failure rates (SD, SU, DD, DU)
  • Type of element (A or B)
  • Cpt, TI, LT, Beta, MTTR, Startup Time, and more.
  • Calculates key safety metrics, including:
  • SIL (Safety Integrity Level)
  • PFDavg / PFH (Probability of failure)
  • RRF (Risk Reduction Factor)
  • MTTFS (Mean Time to Fail Safe)
  • Additional Features:
  • Compare different SIFs.
  • Evaluate costs of different architectures.
  • Test SIFs when target values are not met.

Discover our two powerful SIL Verification tools, both built on the same robust calculation engine to ensure maximum efficiency, accuracy, and ease of use. Whether you’re dealing with simple architectures or complex systems, you’ll enjoy a seamless and reliable experience that supports compliance with the highest functional safety standards.

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