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

From: perfb (perfb_at_yahoo.com)
Date: 07/22/04 

Date: 22 Jul 2004 16:18:59 -0700

no doubt this is a FAQ oft beat to death, but, assuming
one wanted to control a network of about 10 i/o modules each
with maybe 100 i/o digital/analog points, at maybe a 100Hz
maximum rate (e.g. an automatic industrial processing machine of some kind)
...

which control network would be, ahem, for lack of a better word, 'best'?

(i.e. in terms of price/node, support, ease of development, availability
of second-sources, availability of developers etc.?)

Personally, being somewhat naive and ignorant of the field,
I would go for ethernet, for sheer availability of tools and
peripherals. But would I be making a gross faux-pas in doing so?

is ethernet gaining ground as a general-purpose control network
over e.g. CAN etc.?

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