Voices: Rezabek

Why HART and Foundation Fieldbus Don't Just Get Married

The Disparate Origins of These Protocols Mean a One-Size-Fits-All Heir Is Unlikely

By John Rezabek

How do you tell a HART device from a Foundation fieldbus (FF) device? There have been times when we've puzzled over it. Did the supplier make a mistake and send us a HART device when we ordered FF? On the surface, devices of the same heritage and generation have little beyond a subtle difference in the model number to distinguish themselves. With the merging of the HART Communication Foundation and the Fieldbus Foundation, some have wondered if there will be some new offspring, or if devices from one protocol will become conversant in the other. Foundation fieldbus and HART technologies have a lot of things in common. Why wouldn't they play nicely together some day?

Read more

More from this voice

Title

Fieldbus Protocol Foundations Merge

Two Buses, One Foundation. In 2015 Fieldbus Foundation and HART Communications Foundation Will Be One. Does This Mean You'll Be Able to Use Your HART Device for Foundation Fieldbus?

11/12/2014

Wired or Wireless Revisited

John Rezabek Wonders If the Future Automation Plant Will Be Completely Wireless or If the Copper Wires and Cables Will Be Necessary

10/15/2014

Hungry for Open Network Protocol Standards

You Just Can't Be Apple to Your Customer and Control Every Widget You Sell

09/08/2014

Measurement, Control Specialists Might Neglect End Users

Our Customer Focus is not Just the Investor Who’s Financing a Project or the Project Manager Beating the Drum to Meet Cost and Schedule

08/05/2014

Tinker with Defaults to Get Value From Smart Devices

Empower Your Staff So They Can Show Thoughtful, Proactive Use of Intelligent Devices, says Writer John Rezabek

07/24/2014

Forays into Fieldbus Technology Pay Off

Plenty of Training Resources Available to Get Team On Board

06/26/2014

BYOE: Bring Your Own (Fieldbus) Expert

End Users' EPC Firms Lack In-House Expertise, But Also Oppose the Idea of Fieldbus .

05/02/2014

Wireless Smart Devices: Unhand Me, Handheld!

Handhelds: What's Not to Love?

04/08/2014

Can Operators Hear the Fieldbus Music?

Operators May Not Care Much About How Our "Machines" Deliver Information, What They Care About Is the Devices Work Properly and Deliver the Right Information

03/06/2014

Automation Project Priorities: This Isn't Disney

How Often Is It That Project Priorities Align Favorably With Those of the Operate-and-Maintain Organization That's Expected to Run the Plant Safely, Reliably and Profitably?

02/12/2014

Fieldbus: Do Fence Me In!

Just Because You Can Put 12 Devices on Each Fieldbus Segment, Doesn't Mean You Should

01/14/2014

You Want More Foolproof Fieldbus?

Should We Shut Off All the Diagnostic Messages and Risk Missing Some Valuable Intelligence During Start-Up, or Leave Them All Enabled and Deal with the Nuances of the Configuration Later?

12/17/2013

Foolproof Fieldbus II

Sometimes Our Well-Intentioned Attempts to Make a System "Foolproof" Create as Many Hazards as We Were Aiming to Prevent

11/07/2013

They'll Make a Better Software Fool

Because We're Working With Hazardous Processes, We Have to Think Through the Consequences of Every Errant Mouse Click

10/11/2013

No KISS for Digital Integration?

If KISS ("Keep It Simple, Stupid") Is the Tactic to Survive the Combat, What's the Strategy?

09/09/2013

Wireless Measurements

A Minute to Measure It: Hazardous-Area-Capable Multiplexers and I/O Bus Extenders and Modules Can Simplify Heat Exchanger Measurements, Providing a Quicker Method Than Routing a Cable for Process Monitoring and a More Reliable Method Than Portable Measurements

08/07/2013

Is Fieldbus a Three-Beanie Copter Problem?

There Is Work Going on to Simplify Selecting and Designing Useful Fieldbus Applications. It Remains to Be Seen if We'll Ever Get to Fieldbus for Dummies

07/11/2013

Fieldbus Savings the Same in Dollars or Yuan

There's Been Too Much Hype About the Cost Savings of Fieldbus. The Same Thing Can Be Done With Remote I/O

06/11/2013

Fieldbus is Dead! Long Live Fieldbus!

The Competing Communications Technology That Presumably Will Replace All These Buses, Including Process Fieldbuses, Is Ethernet

05/02/2013

Is Field-Based Control More Secure?

If We Hide Our Controls in Field Devices, Are We More Immune From the Infections of the Higher-Level Networks?

04/03/2013