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  1. H

    DCS has an unused AI channel

    what the answer for > A DCS has an unused AI channel set up for a 2 wire transmitter, (meaning nothing is connected to it). What would have to be done if the two terminals from this channel were shorted? A) Change fuse B) Reset controller C) Nothing D) Replace I/O board
  2. H

    actuator & electronic positioner

    I am confused between full open and full close even AI they get confused
  3. H

    actuator & electronic positioner

    Thanks for explaining so clearly—that’s what I was thinking too I have an exam coming up soon, and I wish I could get your help with a couple of questions so I can get a good explanation
  4. H

    actuator & electronic positioner

    A control valve is fitted with an actuator & electronic positioner. The valve fails closed on loss of air. The positioner is calibrated 4ma open, 20 ma closed. What position would you find the valve with loss of ma signal? A) Fully open B) Fully closed C) As was before loss of signal D)...
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