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Unformatted text preview: ladder diagrams? Ladder Logic – “OR” Operation a house the doorbell should sound if; either the In a house the doorbell should sound if; either the front or rear door button is pushed. Ladder logic – a branching, OR circuit. Ladder Logic – “OR” Operation example What are the rung outputs, in the following ladder diagrams? t i l I t l d D i t i Proportional, Integral and Derivative (PID), Control Proportional gain: control over a wide range, based on magnitude of an error. Integral gain: control small error (offset) over time, based on error multiply by time persisted. Derivative gain: is responsive to rate of i h f t A diagram of a process, controlled by a ID t ll change in error, how fast error changes. Helps damp the overshoot. PID controller....
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This note was uploaded on 09/27/2010 for the course 6511 5487 taught by Professor Chaohue during the Spring '10 term at Mackenzie.
 Spring '10
 ChaoHue

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