Automation System
A process controller:

is useful in a continuous process control application
All of these
None of these
can interface to digital and analog I/O
can solve a PID process control equation easily

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

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

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