Re: [foxboro] Bus Technologies

Hi All

We decided to be "brave" at one of our older mills and stared implementing 
Profibus with AB remote I/o through the 3170pdp communication module.

It stated of easy "installing and getting the prosoft module online" there 
after our nightmare started. Being the first to use Foxboro and Profibus 
products in South Africa didn't help much as most of the vendors did not tried 
this before.

Using Commuwin and my laptop with a prosoft card worked well but I could not 
say the same after connecting the Profibus node to the Micro.

We had units hanging , not responding and failing all offer. Major bus 
instability "still".
Power and grounding differences between vendor "experts" and foxboro 
documentation. 

We had vendors blaming the Micro and host. After playing with the magnitude of 
Profibus parameters with little guide lines and help we got the bus going and 
have small hiccups now after being four months late with hot commissioning. 

Would I like to do it agin? NO! Foxboro filedbus / FBM's are stable and works 
first time. Support over different platforms and products is a problem even if 
all is Profibus certified.

Gideon von Stade
Process Software Engineer
Afprod Technical Support Group
E-Mail: gideonvs@xxxxxxxxxxxx
Tel:  +27 11 458 5204
Fax: +27 11 458 5057
Cell: +27 83 703 4605

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