Re: 'best' control network? Devicenet vs Lonworks vs CAN vs Fieldbus vs Ethernet ???

From: Poul Bundgaard (poul.bundgaard_at_mail.dk)
Date: 07/23/04 

Date: Fri, 23 Jul 2004 15:51:18 +0200

j.b. miller wrote:
> Whatever system you look at, be sure it can handle broken wiring or
> loss of communication.Especially it this is a 'critical' application.
> 30 years ago we chose to do an 'in-house' design for our remote energy
> control system.Simple,reliable,lightning
> proof,bidirectional,interlaced,tri-level,hackeproof and best of all
> ran on a true single wire.This gave us a built in backup as we leased
> wires from Bell and they were always in pairs! The system is still in
> use today.

Do you have more information regarding this system ?

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