
Robust SIL Calculation Engine
I’ve finally found a compliant SIL engine that is easy to use and seamlessly communicates with all of my process safety documentation. Leveraging templates minimizes design costs regardless of complexity.
-SIS Design Engineer
Embedded and Easy-To-Use
Design SIFs quickly and easily with aeShield ®. When aeShield is coupled with our Quick Start Library ™, you can hit the ground running with a generic set of equipment definitions including failure rate data. Additionally, common SIF templates are provided for immediate instantiation making SIL calculations simple.

SIL calculations are made simple and lifecycle-enabled while ensuring IEC 61511 / ISA 84 compliance by:
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LOPA Targets from aeFacilitator ® or External Imports
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Easy SIF Library Creation via Quick Start Library
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Promote Existing SIFs to Library
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Create SIFs from Library or Existing SIF
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Package IPLs into Equipment Under Control
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Reuse or Clone any Level of SIF Architecture
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Robustness: Multiple Layers of Voting, and Common Cause Factors | Partial Stroke Testing | Multiple Logic Solvers | Accounts for Architectural Constraints
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Calculate PFDavg | MTTFs | STR for Entire SIF, Inputs, Logic Solver(s), and Outputs
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Simultaneous Sensitivity Analysis on Multiple SIFs
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Integrate with (single place for data entry):
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Safety Requirements Specification
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Design Verification Report
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Functional Test Procedures
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Cause & Effect Intersections
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Manually Enter Calcs at any Level of SIF Architecture
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Manage Multiple Failure Rate Data Sets
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Attach External Drawings and Make Comments
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Manage User Permissions for Approval Process
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Real-time SIL Calculations based on Testing Records
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Rigorous Testing and Quality Control on Algorithms per Voting Combinations and MoCs when Required
