Can’t we all work together?

The components of today’s complex building systems, whether in a small or large facility, require interoperability. But how you achieve communication among devices from different manufacturers depends on what kind of information you need from each device. Once you determine this, interoperability can be achieved by several methods, according to Building Operating Management magazine.

Hard-wiring two components together, such as a vent control to a fire alarm, is the most direct way to connect them. But such connections, while fast and relatively simple, can become costly as you add more and more devices to the loop. Also, a lack of space often precludes this option.

Using drivers–software that permits different devices to talk to computer systems–to connect components avoids many of the problems associated with hard-wiring; however, drivers are software- and device-specific, which can present future problems. When you want to upgrade a component or a building system connected to that component, you’ll probably need to purchase new drivers. Also, drivers don’t exist for every combination of components. A systems integrator can develop custom software for your installation–at a much higher price.

Of course, getting every component to work happily as one well-oiled system–even in a small facility–may be an elusive goal. Identify what your high-priority interoperability needs are, leave room for future expansion and changes, factor in your budget, and build a network that meets these standards.

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