A First Look at
WirelessHART
An e-book by Pepperl+Fuchs
®
So what is WirelessHART?
WirelessHART:
 Is an open & interoperable standard
 Is based on the established HART protocol
 Uses known tools and procedures for configuration,
maintenance, & diagnosis
 Requires minimal training
 Allows wireless access to existing field devices
 Can be used worldwide without any license
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A Network that works
The WirelessHART network is a mesh network where each
sensor acts as both a router and repeater. The range of the
network doesn’t depend on the location of the central gateway,
allowing set up of large distributed network structures.
sensor
gateway
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Intelligent Network Structure
If there is an interrupted communication path, the system
automatically re-routes the signal in order to maintain
uninterrupted communication.
sensor
gateway
preferred way
malfunction
alternative way
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Product Overview
WirelessHART GATEWAY



Serial RS485 & Ethernet interface
Modbus & HART protocol
Redundant power supply
The WirelessHART gateway is
the core element of a wireless
mesh network. It serves as the
interface between the mesh
network and the plant’s process
control or asset management.
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WirelessHART FIELD DEVICE ADAPTER




Upgrade installed field devices
Battery powered
Powers the transmitter
Operates as a router in a larger installations
The WirelessHART adapter can be
connected directly to the interface
of any field device. This can be a
conventional 4…20 mA or an
intelligent HART device.
WirelessHART TEMPERATURE CONVERTER




Dual-channel temperature converter
Inputs for RTD & thermocouples
Battery powered
LED & pushbuttons for status & set up
The WirelessHART Temperature
converter offers two terminals
to connect RTD or TC
temperature sensors. It is
designed to transfer
measurements directly to the
network.
Product Applications
 Tank Farms
 Oil Refineries
 Rotational Equipment
 Mobile Equipment
 Ad hoc Monitoring
 Pipelines
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Measuring & Monitoring
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Temperature
Corrosion
A simple WirelessHART
temperature sensor can be
used to detect & diagnose
problem situations long
before they result in failures
& influence plant availability.
WirelessHART monitoring
instruments can be placed at
important measurement
points along pipelines in
places that previously
couldn’t be reached.
Ideal Applications or Locations
Ideal Applications or Locations




Motors
Pumps & cooling devices
Resources that need monitors

Long pipelines located in remote
locations
Plants with moving vehicles &
changes in location
Level Control
WirelessHART makes it
easier & more cost effective
to monitor the levels in
process & storage tanks by
eliminating the need to
manually take & record the
measurements.
Ideal Applications or Locations


Storage vessels
Process tanks
Let’s Recap
We have learned that the benefits of WirelessHART are:
 WirelessHART networks are flexible, intelligent solutions for
the requirements of the process industry
 WirelessHART components eliminate wiring & integrate
conventional field devices into wireless structures
 Measuring & monitoring have never been more flexible or
efficient, especially in remote locations
 WirelessHART technology is here to stay, and those who adapt
early will reap the benefits
*To get a FREE copy of the Engineer’s Guide, click here
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Please Keep in Touch
If you have any questions or would like to discuss a potential
application:
 A team of technical experts is ready to help answer your
questions, just ask an expert.
 We also invite you to read our blog or visit our Youtube
channel
Technical White Paper:
WirelessHART Technology
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Pepperl+Fuchs, Inc.
Process Automation Division
1600 Enterprise Parkway
Twinsburg, OH 44087
Phone: 330-486-0002
Fax: 330-963-5827
e-mail: pa-info@us.pepperl-fuchs.com
© 2012 Pepperl+Fuchs, Inc.