Once again it all boils down to what you need in "real time" performance.
If you are looking to close a valve on a test rig after the timer times out
then.....OK
If you are looking to dump the fire suppressant (i.e. water, HALON, foam, etc)
into the grain silo 1 msec after detecting ignition then I wouldn't count on NT.
A year or so ago I ran into a "whitepaper" written by the Rockwell (Allen
Bradley?) dudes on using NT40 as an RTOS (at least in the spectrum of response
similar to a PLC's performance). Their conclusion gave the OS a performance
rating equal to a PLC with an average 8 to 16 mSec scan time.
Just my 2 cents.
Regards,
Ray Minich
Dresser Equipment Group
(Typical disclaimer on opinions not those of my employer, etc., etc., etc......)
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For more information on Real-Time Linux see:
http://www.rtlinux.org/rtlinux/
