exSILentia 2025: Comprehensive Functional Safety Lifecycle Software

exSILentia is exida's flagship software suite for functional safety lifecycle management, supporting Process Hazard Analysis (PHA), Layer of Protection Analysis (LOPA), Safety Integrity Level (SIL) verification, and cybersecurity risk assessment. The 2025 releases include version 4.15.1 with significant feature enhancements and the continued evolution of the SILstat operational data management module .

Key New Features in exSILentia 4.15.1

User-Defined Custom Checklists

• Flexible Template Creation: Create custom checklist templates for any module within the safety or cybersecurity lifecycle (e.g., PHA, LOPA)

• Cross-Module Linking: Link checklists across different project tasks for consistent workflow management

• Workflow Standardization: Enforce company-specific procedures and best practices across all projects

Enhanced Cybersecurity Risk Assessment

• Separated Risk Modules: Cyber PHA functionality split into two distinct modules:

  • High-Level Risk Assessment (HLRA) for initial screening

  • Detailed Level Risk Assessment (DLRA) for in-depth analysis

• Improved Workflow: Clearer distinction between hackable and non-hackable countermeasures

• Rigor and Structure: Enhanced methodology for cyber safety analysis compliance

Multilingual Support

• French and Spanish: Full application support for French and Spanish languages, expanding accessibility for global teams

SILstat Integration

• Seamless Data Transfer: Import exSILentia project data directly into SILstat to build operational databases

• Hierarchical Structure: Maintain plant, unit, equipment, and device relationships during transfer

• Data Consistency: Preserve SIF structures, initiating events, protection layers, and conditional modifiers between tools

SILstat 2025: Operational Data Management

SILstat, exida's operational data management module, received significant updates in 2025:

Redesigned Platform

• SaaS Solution: Now offered as Software as a Service (SaaS) on an annual subscription basis

• Redesigned UI/UX: Completely overhauled web-based interface for improved usability

• Digital Transformation: Purpose-built for managing safety system lifecycle operation and maintenance data

Core Capabilities

• Event Recorder: Simplify recording of safety-critical events during SIS operation and maintenance

• Assumption Validation: Validate design-phase assumptions against actual operational data

• Data Integration: Exchange data with third-party systems for comprehensive manufacturing facility data management