Originally Posted by
foreigneRS
his requirement seems quite clear to me
he wants to control the speed of a couple of 240V motors with a PID loop so that they maintain a speed necessary to achieve an output on some kind of 0-5V sensor
Nick, you have it spot on
I want to use this sensor
http://www.freescale.com/webapp/sps/...6&fromPage=tax
With a feed back loop to auto set my fixed depression on a flow bench to 28" WC (7 ish kpa, 1 ish psi) by controlling the vacuum motors.