The Evolution of BAS - CS3 - Premistar

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BAS Past, Present and Future

The Building Automation Industry continues to evolve and develop with the primary drivers being INFORMATION MANAGEMENT and COMMUNICATION TECHNOLOGIES. Many automation companies have tried to create methods to “tether” customers to their products, while some are promoting and integrating diverse systems and products via OPEN PROTOCOLS, PRODUCT DEVELOPMENT and UNLIMITED INTEGRATION to deliver true interoperability to satisfy customer needs.

In the past, building owners had few if any alternatives available via proprietary systems to achieve operational efficiencies, adopt new technologies or evaluate competitive upgrades/modifications to existing BAS systems. Proprietary systems are still the mainstay for vendors and dominate the marketplace even though most automation companies tout “BACnet or LON” solutions. Some companies have offered to publish their own standards or protocols but this has not been a feasible option for true “OPEN” interoperability. Some open standards such as OPC and MODBUS were used sparingly in HVAC applications, but have failed to gain widespread acceptance and everyday use even though they offer a powerful integration method.

In the HVAC industry two “open technologies or protocols” have gained popularity. BACnet, developed and promoted by ASHRAE and LonWorks developed and promoted by Echelon Corporation. Most automation companies, driven by competitive pressure and customer demands have developed and offered products that use some form of these communication technologies in an attempt to remain competitive and viable, while maintaining and promoting proprietary products, and strategies in the same system.

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