Can anyone suggest or point me in the direction of some data aquisition software that I can input analog signals, ie; gpm, speed, kW etc., and have the software plot a spreadsheet?
http://www.crouzet.com/corporate/m2/uk/index.cfm
http://www.mitsubishi-automation.com/
http://www.idec.com/usa/index.html
These are a few Smart Relay manufacturers that feature function block programming
ABB makes a decent drive. The ACH 401 series is geared toward the HVAC market, and has pump and fan macros on board. I've had very good luck with them.
http://bwcecom.belden.com/college/PDF/VFD_Flyer.pdf
http://www.nema.org/index_nema.cfm/1427/0DDF742A-8790-4A21-88D139CFC069648B/
Application Guide for AC Adjustable Speed Drive Systems