Control type

A control represents, in simplified terms, an operation that establishes a predetermined state. Actual and target values are compared and changes are reacted to. A number of different control types exist for different use cases, for example:

Two-point controller: (output signal: On/Off) This represents the simplest form of control. If a value deviates from the set target, switching takes place to counteract.

P-controller: (output signal: PMW) This controller regulates more smoothly than a two-point controller, by controlling down a smooth transition just before the setpoint is reached. (cool only, heat only, cool & heat)

PID-controller: (output signal: direct current) In addition to the control deviation, this controller observes the dynamics with which the actual value approaches the setpoint. If no temperature change is detected for a given control deviation, the PID controller increases the control value. This controller can react not only to existing or even permanent control deviations, but also to a control deviation that is just about to occur.

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