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NEW PRODUCT FLASH: E-Mon LonWorks Option

Written by Heidi Schwartz. Posted in Energy, New Product Flash, Technology

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Published on October 27, 2009 with No Comments

E-Mon, LLC, manufacturer of the electric submetering E-Mon D-Mon® product line, has announced the availability of a new LonWorks communication option (specify Option LTP) for converting electrical submeter data into the LonWorks communications format for building automation systems (BAS) and equipment control applications, including lighting, security, and HVAC systems.

Now, any E-Mon D-Mon Class 3000 Advanced, Class 5000 meter, or Interval Data Recorder (IDR) equipped with Option LTP can communicate up to 40 meter data parameters to any BAS employing the LonWorks protocol. Like E-Mon’s other communication options, the LonWorks version provides similar electrical measurements, including:

  • Energy and reactive energy, delivered and received (kWh);
  • Real power (kW), total and by phase;
  • Reactive (kVAR) and apparent (kVA) power, total and by phase;
  • Power factor (percent), total and by phase; and
  • Current (A), voltage (V) and phase angle (degrees) by phase.

“This communication option greatly extends E-Mon’s reach into the Building Automation and Controls market by increasing the granularity of electrical measurements that can talk to BAS via twisted pair, power line carrier, wireless and other LonWorks-compatible media,” said Don Millstein, president and CEO of E-Mon. “With the addition of the LonWorks option, E-Mon’s complete line of communication options opens the door to deploying submeters in more than 80 percent of new and installed BAS control applications, including those using Modbus RTU and BACnet MS/TP and Ethernet-based protocols like Modbus TCP and BACnet IP.”

The LonWorks communication option is currently available for the following E-Mon D-Mon submetering equipment: Class 3000 Advanced; Class 5000; and Interval Data Recorder (IDR).

About Heidi Schwartz

Heidi Schwartz

Schwartz joined Group C Media in April 1989 as managing editor of Today's Facility Manager (TFM) magazine (formerly Business Interiors) where she was subsequently promoted to editor/co-publisher of the monthly trade magazine for facility management professionals. In September 2012, she took over the newly created position of internet director for TFM's parent company, Group C Media, where she is charged with developing content and creating online strategies for TFM and its sister publication, Business Facilities. Schwartz can be reached at

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