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Basic process of SIL certification

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| 2020-06-22|Return

SIL (Safety Integrity Level) certification - Safety Integrity Level certification

SIL certification is a third-party evaluation, verification, and certification based on standards such as IEC 61508 (GB/T 20438), IEC 61511 (GB/T 21109), IEC 61513, IEC 13849-1, IEC 62061, IEC 61800-5-2, to evaluate and confirm the Safety Integrity Level (SIL) or Performance Level (PL) of safety equipment. Functional safety certification is often referred to as SIL certification. Functional safety certification mainly involves document management (FSM) evaluation for the development process of safety equipment, hardware reliability calculation and evaluation, software evaluation, environmental testing, EMC electromagnetic compatibility testing, and other contents.


The SIL technical standard was first promulgated and formulated by the International Electrotechnical Commission (IEC), and is implemented under the jurisdiction of IEC/TC65. SIL (Safety Integrity Level) - Safety Integrity Level. SIL certification is divided into four levels, SIL1, SIL2, SIL3, and SIL4, including two levels for products and systems. Among them, SIL4 has the highest requirement

Basic process of SIL certification

1. The customer provides product information (product manual) and SIL level to Zhongnuo Testing for preliminary evaluation and quotation

2. The customer accepts the quotation,SIL certificationProject confirmation

3Zhongnuo TestingAssign engineers to the factory to assist in improving product drawing design to meet SIL level requirements

4. Make samples based on the improved drawings and commission Zhongnuo Testing Laboratory for testing

5. After passing the test, issue a Functional Safety Report (FSA Report)

6. On site review

7. Qualified review and issuance of SIL certificate

For more information on SIL certification, please contact Zhongnuo Testing directly

Service hotline: 18924609560 (same WeChat account)

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