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Source: www.pacontrol.com
File size: 1.28 MB
File type: pdf
Last download on:
Sat May 25, 2013 09:52:15 AM
Short Desciption:
The HART Application Guide has been created by the HART
Communication Foundation (HCF) to provide users of HART products
with the information necessary to obtain the full benefits of HART digital
instrumentation. The HART communication protocol is an open standard
owned by the more than 100 member companies in the HCF. Products that
use the HART protocol to provide both analog 4–20 mA and digital signals
provide flexibility not available with any other communication technology.
Summary:
In today’s competitive environment, all companies seek to reduce operation
costs, deliver products rapidly, and improve product quality. The HART®
(highway addressable remote transducer) protocol directly contributes to
these business goals by providing cost savings in:
q Commissioning and installation
q Plant operations and improved quality
q Maintenance
The HART Application Guide has been created by the HART
Communication Foundation (HCF) to provide users of HART products
with the information necessary to obtain the full benefits of HART digital
instrumentation. The HART communication protocol is an open standard
owned by the more than 100 member companies in the HCF. Products that
use the HART protocol to provide both analog 4–20 mA and digital signals
provide flexibility not available with any other communication technology.
The following four sections provide you with an understanding of how the
HART technology works, insight on how to apply various features of the
technology, and specific examples of applications implemented by HART
protocol users around the world:
- Theory of Operation
- Benefits of HART Communication
- Getting the Most from HART Systems
- Industry Applications
The following sections explain the basic principles behind the operation of
HART instruments and networks:
- Communication Modes
- Frequency Shift Keying
- HART Networks
- HART Commands
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