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Using HART Technology

The HART Communication Protocol has served as the world’s leading process communication technology for smart instruments since 1989. Today, more than 30 million HART devices are installed and in service worldwide.

Industry suppliers are manufacturing and shipping HART products in record numbers -- 75% of the smart devices installed are HART-enabled. More HART products are installed in more plants around the world than any other process field communication protocol.

Using HART technology today has never been easier. Putting the full power of HART-enabled devices to work is fast, easy and cost-effective.

One of the best things about smart field devices is their intelligence. So called “Smart Devices” can make life easier for plant operators and technicians.

Most smart devices are configured using the HART Protocol. The HART Protocol provides two simultaneous communication channels – the 4-20mA analog channel and the HART-digital channel that is superimposed on the analog channel. Think of your caller ID telephone information superimposed on your phone line. The HART Data can be accessed anywhere on the 4-20mA – at the device, at the I/O termination point or at any access point on the control loop.

Putting the “smart” capabilities to work can be fairly straightforward – if guidelines concerning networks, devices, and wiring are followed. As a result of using HART Technology, you can lower your operating cost, increase plant availability and shorten expensive downtime.

For new and prospective HART users, help is on the way – and the price is hard to beat. To learn more about HART technology, new users can take the free online training course found in the Training Section.

The following topics are included in this section:

If you have questions, you can contact your local supplier or the Foundation.