HART Communication Protocol Enhanced

September 11, 2012 - The HART Communication Foundation announces five enhancements to the HART Communication Protocol standard. When implemented in new HART-enabled products, these enhancements will give users a simple device status notification and easy access to WirelessHART network performance. The enhancements also provide a basis for future device and system supplier innovation. 

The enhancements are: Condensed Device Status Indicators; Key Performance Indicators (KPI’s) for wireless networks; HART Communication over Internet Protocol standardization; Discrete “on/off” functionality for devices; and an Infrared device communication option.

“Industry users requested a simple ‘green light-red light’ status report capability as well as key health and reliability indicators for WirelessHART networks. We listened and have added these important enhancements,” says Ron Helson, Foundation Executive Director. “The Foundation, with the support of our member companies, works to help users maximize the value of their HART-enabled instrumentation investments by enhancing the HART Protocol to meet industry needs now and in the future.”

New enhancements to the HART Protocol described:

  • Condensed Device Status Indicators – provides new commands and standardized support for NAMUR NE107 diagnostics for clear and simple operator notification of device status – Failure, Out of Specification, Function Check or Maintenance Required.
  • Key Performance Indicators (KPI’s) - additional standardized commands to support NAMUR NE124 for host access to WirelessHART networks performance indicators including network health and reliability data. .
  • HART Over Internet Protocol – specifies and standardizes the protocol between remote I/O systems, multiplexers and gateways and host systems.
  • Discrete Functionality - new commands enable enhanced support of several types of discrete and “on/off” type devices with diagnostics.
  • Infrared Device Access – new wireless interface option for device configuration and maintenance that eliminates the need to open the device housing in hazardous areas.

The HART Communication Foundation is an independent, not-for-profit membership organization that provides global support for the application of HART technology. The Foundation is the technology owner, standards setting body and central authority on the HART Communication Protocol, establishing and controlling new technology developments and enhancements that support the needs of the process automation industry. Founded in 1993, Foundation membership includes more than 280 companies worldwide. The HART Protocol is the leading communication technology for smart process instruments with more than 35 million devices installed worldwide.
 

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