When a process is controlled by a controller that uses sensor data to make decisions and
olc process diagram

update the results to drive actuators, as shown in view the separation of controller and process.

The process is a reality that will change over time. Actuators drive the system to new states (or modes).

This means that the controller is limited by available sensors, if entry is not available, the controller will not be able to detect a condition. (more…)

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