Austin, TX, USA (12 May 2009)— The HART® Communication Foundation (www.hartcomm.org) announces an update to the HART Device Registration Testing Tools that includes the HART Test System, the new Wireless Test System, the Wi-Analys Network Analyzer, and the original Physical Layer Test Kit. These testing tools play a key role in the development, compliance testing and verification of HART-enabled devices, allowing Foundation member companies designing wired and/or WirelessHART devices to rigorously test them for compliance with the HART Protocol Standard (Revisions 5, 6 and 7).
To verify compliance with the HART Protocol Specification, wired and wireless devices that claim to be “HART Registered” must pass the rigorous HART Device Registration Program conducted by the Foundation. HART registration is available for all process measurement devices, interfaces such as modems, multiplexers and I/O systems, HART masters including systems and handhelds, and Device Description (EDD)-enabled host applications.
“100 percent verification tests are conducted to confirm compliance to the HART Protocol standard,” says Ed Ladd, HART Communication Foundation Director of Technology Programs. “Running the tests ourselves and independently verifying that submitted devices meet the intent of the standard ensures interoperability – reducing the risk of problems in the field.”
Devices that pass the tests earn the “HART Registered” designation, are issued a Certificate of Registration, and are allowed to display the “HART Registered” mark. The Foundation tests and registers all HART-enabled devices and all HART Device Descriptions to assure that every device submitted, whether wired and wireless, is interoperable across platforms.
The testing is complete and exhaustive. Both good and bad data are sent to see that the device responds appropriately. For example, test DLL 039 stress test involves two million messages. “Devices have to interoperate and be robust on the network,” Ladd says. “To be ‘registered’ a device can miss no more than 20 messages.”
HART users have the largest selection of device types, system solutions and vendors—more than 26 million HART devices in the field produced by over 220 different manufacturers. According to Ladd, that is why ensuring interoperability is so critical. “If you’re replacing a device at 2:00 a.m., you need to know it’s going to communicate - no matter who manufactured it. That’s what the registration process is all about. This gives users the confidence they need to invest in HART-enabled assets.”
WirelessHART standard is an evolutionary
enhancement to the HART Communication
Protocol, the leading communication technology for intelligent
process measurement and control field devices and systems with more
than 26 million devices installed worldwide. WirelessHART is backward
compatible with currently installed HART devices, is supported by
existing HART tools, and provides an additional capability to access
asset management information in both existing and new monitoring
and control applications.
The HART Communication Foundation is an international, not-for-profit, membership organization supported by more than 230 companies worldwide. Founded in 1993, the Foundation is the technology owner, standards setting body and central authority on the HART Protocol and provides global support for application of the HART technology. The Foundation establishes and controls the HART Communication standards including new developments and technology enhancements that benefit and support the needs of the industry.