ISO 16484-1:2024
Building automation and control systems (BACS) — Part 1: Project specification and implementation

Standard No.

ISO 16484-1:2024

Release Date

2024

Published By

International Organization for Standardization (ISO)  IX  /  ISO

Latest

ISO 16484-1:2024

Introduction

Analysis of the core content of the standard

As the core standard of building automation control systems (BACS), ISO 16484-1:2024 builds a complete implementation framework from project planning to acceptance.

• Added network security protection requirements (reference IEC/TS 62443-1-1)
• Improved wireless communication technical specifications
• Optimized the term definition system
• Strengthened system integration management clauses

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Comparison of project implementation stages

Stages	Key tasks	Output results	Quality control points
Design stage	Requirements analysis, technical specification formulation, contract signing	Project requirements document, technical specifications	System integration interface definition
Engineering stage	Hardware configuration, control strategy programming, system testing	Control logic diagram, point list	Functional test coverage
Installation phase	Equipment installation, on-site commissioning	Debugging record report	EMC/LEMP protection
Acceptance phase	System demonstration, operation training	Completion documents, training records	Performance acceptance criteria

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Key technical requirements

1. System integration specifications

The standard specifies four types of integration requirements:

1. Implementation integration: division of responsibilities, version compatibility management
2. Operation and maintenance integration: data point naming rules, unified human-machine interface
3. Function integration: cross-system linkage (such as fire protection and HVAC systems)
4. Infrastructure integration: network topology, communication protocol standardization

2. Network security measures

New clause requirements:

• Use VPN for remote access
• Network segmentation and firewall configuration
• User authority hierarchical management
• Electromagnetic pulse (EMP) protection

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Implementation recommendations

Document management

The standard requires the establishment of a complete project documentation system, including:

• User documentation: operation manual, training materials
• Technical documentation: network topology diagram, control logic description
• Maintenance documentation: spare parts list, preventive maintenance plan

Typical implementation process

1. Complete the preparation of the BACS function list during the requirements analysis phase
2. Perform controller redundancy testing during the engineering phase
3. Verify the alarm routing function during the debugging phase
4. Perform Witness Testing during the acceptance phase

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Value of standard application

The implementation of this standard can bring:

Benefit dimensions	Specific performance
Energy efficiency improvement	Energy saving of 15-30% through standardized control strategies
Operation and maintenance optimization	Unified document system reduces maintenance costs
Risk control	Clear stage acceptance nodes avoid project risks

ISO 16484-1:2024 Referenced Document

• ISO 16484-2 Building automation and control systems (BACS) — Part 2: Hardware*， 2025-01-28 Update
• ISO 16484-5 Building automation and control systems (BACS) — Part 5: Data communication protocol
• ISO 16484-6 Building automation and control systems (BACS) - Part 6: Data communication conformance testing*， 2026-02-01 Update
• ISO/IEC 14763-2 Information technology - Implementation and operation of customer premises cabling - Part 2: Planning and installation

ISO 16484-1:2024 history

• 2024 ISO 16484-1:2024 Building automation and control systems (BACS) — Part 1: Project specification and implementation
• 2023 ISO 16484-1:2023 Building automation and control systems (BACS)
• 2010 ISO 16484-1:2010 Building automation and control systems (BACS) - Part 1: Project specification and implementation

Standard and Specification