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Construction Tech Review | Wednesday, January 06, 2021
Except for a handful of thermostats, controllers, and HVAC assets, the most conventional BMS lack the scalability required to accommodate granular feedback sensors and extend functionality.
FREMONT, CA: As a property owner or facility manager, one might assume that if the facility is still running and there are no significant flaws, why bother to improve it? The Building Automation System (BMS) works the way it should—precisely as it did a few decades back when it was first commissioned. So, will an upgrade not add unnecessary costs?
While these issues can be understandable, people are losing out on a modernized smart house's immense cost savings and efficiency opportunities. It is not without justification that one study forecasts that the construction automation market will see the fastest increase in the Internet of Things (IoT) and the adoption of connected devices in the coming days. There is a lot more to IoT for BMS than a mere technical update. It deals with unprecedented insights into the various construction facets of holistic, intuitive, and strategic facilities management.
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Have a brief look at the present status of legacy BMS and why it falls short.
[vendor_logo_first]BMS at a Glance
Building management systems, also known as building control systems, have played a vital role in the energy management of commercial and industrial installations for a long time. The BMS architecture was first developed in the late 1800s and has undergone several significant changes, especially from pneumatic systems to computer-based control systems. However, much of the BMS we see today do have the same role as initially intended – streamlined maintenance of essential building functions, particularly heating, air conditioning, and ventilation (HVAC) equipment.
Why the Traditional BMS Is No More Robust?
In terms of its relevance, old-school BMS has become increasingly outdated in light of today's rapid technological advances. In the modern era, wire-driven building automation networks quickly hit their limits by providing adequate and timely building data—considering high costs and complexities. Except for a handful of thermostats, controllers, and HVAC assets, the most conventional BMS lack the scalability required to accommodate granular feedback sensors and extend functionality.
Due to restricted inputs, complex shifts, and indoor temperature differences in discreet buildings, areas are frequently ignored in HVAC regulations. This aspect introduces a lot of energy waste, particularly when it comes to large-scale installations. In comparison, a significant number of current BMS do not have power usage data beyond the whole house. So, even though one may define building-level use variations, it is hard to pinpoint the root causes.
Beyond HVAC control, lighting automation, protection, and fire safety technologies are increasingly being used to improve building functionality. However, these networks are frequently isolated from each other and the central BMS. Even with the introduction of open protocols, the wiring infrastructure's modification or extension is inherently capital and labor-intensive, making BMS integration projects a costly undertaking.
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