BA, BMS, and IBMS are several main system integration modes commonly used in various types of buildings in recent years. They are integration methods adopted based on the nature and function of the building and the needs of Party A. Let’s talk about the connections and differences between them? Keywords: BABA (BAS) building automation system is a relatively common form at present. It mainly integrates cold and heat sources, HVAC, ventilation, water supply and drainage, lighting, power transformation and distribution, elevators and other equipment. The commonly referred to as "building automation" mostly refers to this integration model of BA. Of course, comprehensive security (SA) and fire protection (FA) are also two relatively independent system integration modes. If these 3A systems are integrated through the information network platform, it is generally called BMS integration. The implementation methods of these two technical means are generally the same. Both BA, SA and FA are relatively closed and independent systems. Most of them are dedicated networks developed by various brands and do not have cross-system openness. Therefore, system integration Capabilities are limited to a certain extent. This type of system integration is now very common in most construction projects. Keywords: BMSBMS is an automatic control system based on maintaining the normal operation of the building, integrating information from all parties, and providing services for the management and operation of the building. Mainly with BA as the core, through the information network platform and through the various layers of media of information communication, protocol conversion and control modules, the operating data of each subsystem is transmitted to the central monitoring computer through the LAN inside the building in the form of a browser, thereby achieving control. Monitoring and management of the entire building. Because it can provide a complete and complete operation interface in terms of necessary database sets and applications, it can realize unified monitoring of security equipment, fire protection equipment, electromechanical equipment, etc. that are integrated into the system. This model (commonly known as 3A) The implementation method is relatively simple, cost-effective, and the systems can be well linked. It is an integration model that is relatively widely used in system integration at present. It has obvious advantages in terms of safety, reliability, economy, and interconnectivity, and strengthens the report recording, energy management, and statistical decision-making of unified property management; the internal coordination of different professional management work and various subsystems The information exchange between them all has an efficient effect. Keywords: IBM IBMS (Intelligent Building Management System) intelligent building management system is a building integrated management system based on BAS that further integrates communication networks and information networks to achieve a higher level. As mentioned before, BMS is based on 3A, then IBMS is a higher-level system integration model based on 5A integration. IBMS integration (commonly known as integrated construction) generally consists of three parts: an integrated network platform with Web functions, a monitoring server, and a gateway that implements protocol conversion. And it is also a powerful development platform that can establish relatively stable and complex application systems that can be integrated with the enterprise's ERP (resource planning system) to complete the integration of monitoring, control, and management. The more prominent aspect of IBMS is its management function, that is, how to achieve the goals of optimized control and management, environmental safety, energy saving, consumption reduction, efficiency, comfort, and intelligence. It can be said that whether a building has IBMS system integration is an important criterion for judging whether it has the characteristics of an intelligent building. Another important condition is that while doing a good job in construction projects, we cannot ignore the simultaneous construction of information projects. A successful IBMS can exert its obvious economic advantages in many management aspects. Of course, this also has a lot to do with the user's technical quality. In the current environment of vigorously promoting energy conservation, environmental protection, and green buildings, different business formats and levels of construction content of smart buildings will be implemented in building construction projects on a regular basis in the future. Are you ready for the future of smart buildings?

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