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Siemens IK PI · 2015

Industrial Wireless Communication

WirelessHART

IE/WSN-PA LINK

■

Overview

• The IE/WSN-PA LINK is a network transition for the connection

of WirelessHART field devices (HART V7.1) to Industrial

Ethernet, as an alternative or supplement to the wired

connection.

• Connection of up to 100 WirelessHART devices

• Approved for operation in hazardous areas in Zone 2

• Open TCP/IP communication and Modbus TCP via the

Ethernet interface

• Can be used with HART-OPC servers of the HART Communi-

cation Foundation

Note:

A general introduction to WirelessHART and information

on the WirelessHART adapter and the WirelessHART field

devices can be found in Catalog FI 01 or on the Internet at

http://www.siemens.com/wirelesshart

■

Benefits

• Extended possible solutions for connecting process industry

field devices by means of alternative or supplementary

WirelessHART communication

• Reliable data transmission using intermeshed network

technology; the self-organizing network with alternative paths

enables radio obstacles to be bypassed

• Reduction of cabling costs under difficult installation condi-

tions, e.g. if the field devices are located on inaccessible plant

components or are only required temporarily

• To improve process monitoring and for maintenance tasks,

sensors can be retrofitted

• Existing transmitters can be integrated wirelessly into mainte-

nance and diagnostics systems by means of WirelessHART

adapters

• Without additional software, restricted monitoring is possible

via web services and the integrated web server of the

IE/WSN-PA LINK.

■

Application

The IE/WSN-PA LINK connects wireless HART field devices by

radio to the Ethernet. On the radio side, the IE/WSN-PA LINK

supports the WirelessHART standard and on the Ethernet side

the TCP/IP and Modbus TCP communication.

The IE/WSN-PA LINK thus enables wireless diagnostics,

maintenance and process monitoring.

Monitoring

WirelessHART is particularly suitable for use in plant sections

that are to be included in monitoring, but which do not have any

existing MSR cabling, e.g. external tank stores or other installa-

tions where high cabling costs are anticipated. Data for the

visualization can be retrieved from the IE/WSN-PA link via

Industrial Ethernet or Modbus TCP.

Monitoring of process states via WirelessHART

SIMATIC

system

SIMATIC ET 200

with HART support

ES OS MS

IE/WSN-

PA LINK

SITRANS

AW200

SITRANS

TF280

SITRANS

P280

DP/PA

LINK

Industrial Ethernet

PROFIBUS

Wireless

HART

PROFIBUS PA

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