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September 5, 2006

This Edition Sponsored by Metso Automation

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Issue Highlights
- The battle of the motion networks
- Why users need one twisted-pair fieldbus
- EDDL enhancements added to smart field devices

Welcome to the Bus Wars, Part Tres
You may not be aware, but a new bus war is being waged in your plant — the battle of the motion networks. The bad news is that one Ethernet-based motion network is almost never compatible with the next, and modifying Ethernet-based motion networks to improve performance can yield non-standard Ethernet hardware. Read why.

Why users need one twisted-pair bus
Is the two-wire hurdle going to hold back wide applicability of discrete devices in fieldbus? New contributing editor John Rezabek, a well-known fieldbus expert and process control specialist, takes over the On the Bus column on and recommends that as you consider candidates for your fieldbus projects, you need to encourage your suppliers to strive for the robust two-wire technology you happily apply everywhere else.

An interview with AquaSensors' Bruce Bathurst
In another in's series of audio podcast interviews, CONTROL Editor in Chief Walt Boyes interviews Bruce Bathurst about the company's unique and innovative series of all-digital, fieldbus-equipped wet chemistry parametric sensors. The company, under the leadership of Bathurst, recently won a Wisconsin Governor's award for entrepreneurial innovation that came with a $100,000 prize.

Survey: The Impact of OPC on the Process Industries
Help us learn how Object Linking and Embedding (OLE) for Process Control (OPC) and the newly released OPC Unified Architecture (OPC-UA) are helping your process applications. The survey takes only a few minutes to complete. We'll award an Apple iPod to one randomly selected respondent for every 100 that complete the survey. Results will be published in Control Magazine and on

Emerson, Siemens declare Fieldbus War over

EDDL enhancements added to smart field devices

Use of wireless in manufacturing to grow 26% annually


I/O modules collect and transfer signals over a fieldbus

Valve manifolds include flexible fieldbus connections

Industry Events

Get information on all these events here

MatrikonOPC User Group
September 11-14, Houston, TX

Iconics Worldwide Customer Summit
September 25-27, Boston, MA

Emerson Global Users Exchange
October 2-6, Nashville, TN

ISA Expo 2006
October 17-19, Houston, TX

October 21-25, Dallas, TX

Automation Fair
October 25-26, Baltimore, MD

Yokogawa Tech Fair & User Conference
Nov. 29-Dec. 1, Houston, TX

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