Automation System
A process controller:

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

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Automation System
Ergonomics refers to:

the human aspect of the environment around the workstation as well as the workstation itself
the cost relationship of the workstation versus productivity
None of these
the technology involved in the workstation itself
the level of involvement the operator has with the workstation

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