Re: [foxboro] FDSI driver AB CSP or FDSI Driver Ethernet/IP
- From: "Johnson, David" <David.Johnson@xxxxxxxxxxxxxxxxxx>
- To: "foxboro@xxxxxxxxxxxxx" <foxboro@xxxxxxxxxxxxx>
- Date: Thu, 30 Sep 2010 09:39:00 -0500
Hahahahahahahaha that's the sound the FDSI development team made when asked if
they had actually looked at what the AB Integrator 30s did. We've been down
this road more than once and the answer is ugly work around after ugly work
around. When someone has enough time and money we have rebuilt whole sections
(displays, icc connections, etc.) to use the new FDSIs effectively. And good
luck if you had intentionally place a MCOUT in manual and used it as a mailbox
to the PLC, that's going to be a re-write.
We get to do a lot of these as retrofits, and people did the most amazing
things with the Integrator 30's quirks. They would double read registers as
MCINs and AINS, or read and write the same address, often in different
compounds. Now maybe they shouldn't have done any of that, but they did, and
the new FDSI won't, so it's always an adventure.
I can't believe that the bit ordering, or being able to read the I:XXX and
O:XXX registers as packed bits is too difficult to do. It's either laziness,
or sloppiness on the part of the development team. I do like being able to use
Ethernet/IP to the CLX though.
Come on Invensys, tighten up.
Regards,
David
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