Offer SIL Certification, SIL Grading, and other consulting services - Shenzhen ZhongNuo Inspection Technology Co., Ltd.
SIL functional safety certification is one of the crucial certifications for modern enterprises. In the modern industrial production that relies heavily on machinery, while instruments and machines enhance production efficiency, the complexity of production processes and the precision of equipment often lead to uncontrollable variables and factors during mechanized production. For instance, equipment failures, instrument short circuits, and system malfunctions can cause explosions, fires, and toxic gas leaks, posing severe threats to people's lives, property safety, and the environment, and even leading to catastrophic consequences.
How can we minimize or keep this series of disasters and consequences within an acceptable range?
Therefore, the SIL certification was born.
In fact, equipment failures occur at various stages of the product lifecycle, with varying probabilities. SIL certification involves intervening from the outset of product design, implementing manageable control over the entire lifecycle of the product according to specific standards and mature regulations, thereby reducing the likelihood of failures. This aims to control risks effectively.

SIL Certification Level Preliminary Assessment Submission Document List
Product User Manual
2. Product Safety Feature List
3. Product Safety Manual
4. Failure Mode and Effects Analysis (FMEDA) Excel File
5. Quality Management System Certificate (ISO 9001)
6. Product Photos (including front and side views of representative models)
7. Product Design Documents (drawings, material reports, calculation sheets, etc.)
8. Additional Information

The SIL assessment content includes:
1. System Evaluation
Risk Analysis, categorized with reference to the risk chart (ASIL/SIL/PL)
Review of specifications and safety requirements
Concept and Design Analysis
– Verification and Confirmation
2. Software and Tool Assessment
– Testing of development tools and other communication protocols
Structural Analysis
3. Hardware Evaluation
Probability Analysis
Failure Analysis
4. SIL Certification
Component and System SIL Certification
- Safety Process SIL Certification
- Authorization of systems, semiconductor, development tools, and process testing badges
5. Additional Services
Risk Tolerance and Risk Analysis
Test and evaluate hardware and software for security during the development process
Conceptual Assessment (Initial Inspection)
Function and Safety Management (FSM)
Safety, reliability, and availability analysis
Qualified Assessment Meeting Relevant Safety Standards
These services are aimed at manufacturers of components, sub-systems, and systems for the automotive industry (including electric vehicles), elevators, power plants, machinery, and process sectors. They support the fulfillment of due diligence obligations and ensure the correct application of the standard, contributing to increased safety levels and helping to minimize residual risks. Standards IEC61508 and the aforementioned others can be integrated into existing quality management systems in a beneficial manner. The implementation of regulations and provisions contained in the standards provides a reliable basis for decision-making, particularly regarding safety structures, testing procedures, and tools. Development outputs can be validated at an early stage, while also reducing development time and costs. Additionally, certification enhances the company's image and strengthens its competitive position in the market.

SIL certification, also known as functional safety certification, focuses on the safety functions of a product. Obtaining SIL certification is to verify whether these safety functions can be reliably and safely implemented.
For instance, with a lighting fixture, we're concerned with its lighting function, whether its light intensity can reliably and safely meet our requirements.
SIL certification is a third-party assessment, verification, and certification process based on standards such as IEC 61508 (GB/T 20438), IEC 61511 (GB/T 21109), IEC 61513, IEC 13849-1, IEC 62061, and IEC 61800-5-2, which evaluate and confirm the Safety Integrity Level (SIL) or Performance Level (PL) of safety equipment. Functional safety certification primarily involves document management (FSM) assessments for the development process of safety equipment, hardware reliability calculations and evaluations, software assessments, environmental testing, and EMC electromagnetic compatibility testing. SIL certification is divided into four levels: SIL1, SIL2, SIL3, and SIL4, encompassing both product and system levels, with SIL4 being the most stringent.