Machine-translated by Google. Questions are authored in English.
Top

Discussion

A process controller commanding a drive's speed reference means the drive is

  • A.operating entirely in open loop
  • B.under manual control from the operator's desk
  • C.independent of the process it serves
  • D.the actuator in a larger control loop

Answer: D

The drive holds whatever speed it is told, and the process loop decides what that speed should be from a measurement of flow, pressure, temperature or tension. Separating the two loops in bandwidth is what keeps the arrangement stable.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.