Automation System
How is the integral mode implemented on a digital controller?

the digital controller cannot handle integral mode
the error is divided into discrete amounts
the error signal is summed over a discrete time interval and accumulated by the controller
All of these
None of these

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Automation System
What is the difference between integral and derivative control?

derivative control responds to a change in the rate of change in the error signal
None of these
All of these
derivative control does not eliminate offset error
integral control has slower response to an error signal.

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