IEC 62381:2024
Automation systems in the process industry - Factory acceptance test (FAT), site acceptance test (SAT), and site integration test (SIT)
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About This Item
IEC 62381:2024 is the technical reference for Automation systems in the process industry - Factory acceptance test (FAT), site acceptance test (SAT), and site integration test (SIT). It is relevant for organizations that need a structured basis for verifying automation systems before and after installation, especially where testing, handover, and acceptance decisions must be documented. For engineering, procurement, and compliance teams, IEC 62381:2024 helps frame a consistent technical review of verification activities and acceptance workflows.
Overview of IEC 62381:2024
This edition addresses the use of FAT, SAT, and SIT within process-industry automation projects, where system functionality and integration often need to be checked across factory and site environments. It is typically used as a compliance reference for defining test scope, roles, documentation, and evaluation criteria in a controlled way. The document supports technical validation by helping teams align specifications, test procedures, and acceptance records with a common engineering basis.
Compliance applications of IEC 62381:2024
IEC 62381:2024 is commonly relevant during project delivery for automation systems, control solutions, and associated integration activities in process facilities. It may support test planning, witnessed acceptance, commissioning preparation, and documented evaluation of system performance before operational release. Laboratories, integrators, owners, and contractors can use it to structure testing workflows, improve traceability, and support conformity assessment where multiple parties must agree on test outcomes and acceptance evidence.
Importance of compliance with IEC 62381:2024
Using IEC 62381:2024 can help reduce project risk by making acceptance testing more consistent, reviewable, and easier to audit. Clearer test expectations support safety, interoperability, and operational consistency when automation systems are transferred from design to site use. The document is also valuable for procurement and quality workflows because it can improve the clarity of technical requirements, strengthen engineering validation, and provide a more reliable basis for regulatory preparation and final handover decisions.
- Defines a structured basis for FAT, SAT, and SIT activities in process-industry automation projects
- Supports documented evaluation of system functions, integration points, and acceptance criteria
- Helps align engineering documentation with testing workflows and project handover requirements
- Useful for conformity assessment, procurement review, and quality assurance planning
- Provides a practical reference for reducing risk during commissioning and site integration
- Publication Date: 2024-07-30
- Standard Status: Original
- Publisher: IEC
- Edition: 3
- This Version: IEC 62381:2024 (2024-07-30)
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