Alerton’s new VLCA-1688 controller saves time and costs - and adds flexibility - in a variety of building automation installations

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Redmond, WA (April 21, 2010)—Building automation pioneer Alerton (www.alerton.com) today debuted the VLCA-1688, an advanced application controller and the latest hardware addition to the company’s industry leading building automation solutions. The VLCA-1688 includes a high resolution 12-bit A/D; D/A converter and new, 32-bit processor and real-time clock that supports its own schedules, trendlogs and alarms. The controller also features monitored on-board Hand-Off-Auto (HOA) switches, Ethernet or MS/TP connectivity, and additional math functions beyond a standard unitary controller. It also leverages new DDC Function blocks such as a sunrise/sunset calculator and wet bulb calculator.

“The VLCA-1688 is ideal for installations featuring large air handling units, motor control centers, small central plants, or virtually any system with numerous, interdependent control points,” said Mike Timmerman, Alerton’s manager of engineering. “It’s a most economic solution because it can do the job of multiple unitary controllers while also providing additional features that enhance the usability of the installed system.”

Six additional advanced math functions and four addition analog functions provide flexibility in meeting the need for increased functionality and complexity in DDC applications as well as the ability to develop a wide range of applications. The MS/TP communication option allows the VLCA-1688 to coexist with unitary controllers on the MS/TP trunk. Connectivity using BACnet/Ethernet or BACnet/IP allows flexibility and provides an increased connection speed option.

[an error occurred while processing this directive] Alerton’s VLCA-1688 is ideal in a variety of applications including air handling units, where it supports additional sensors and enables local control; retrofits, where the VLCA-1688 enables you to reuse existing sensors; and central plants, where the increased DDC code space, analog values (AVs), binary values (BVs), and new DDC functions can be used to full advantage.

The VLCA-1688 is available now through authorized Alerton dealers. For more information, contact your local Alerton dealer, or visit www.alerton.com.

About Alerton

Founded in 1981, Alerton is a leading manufacturer and pioneer of building automation systems for heating, ventilation and air conditioning (HVAC) equipment. Alerton advanced the industry in 1996 with its introduction of Alerton BACtalk, the first product line based on BACnet, the building industry’s standard for open system interoperability. Alerton products are found in thousands of structures, including high-rise office buildings, government facilities, university campuses, airports, hotels, school districts and hospitals around the world. BACnet is a trademark of the American Society of Heating, Refrigeration and Air-Conditioning Engineers (ASHRAE, www.ashrae.org); BACtalk and Alerton are trademarks of Honeywell International. All other product names used herein are property of their respective owners
 

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