What is a Setpoint?
A setpoint is the target or desired value entered into a control system. The system then attempts to reach and maintain this value through a control loop.
The setpoint is often used for process variables such as temperature, pressure, speed, or level. The control loop continuously compares the measured value (process value) with the setpoint and adjusts the process if there are deviations.
🧠 Example
Imagine an oven that must remain at 180 °C:
- The setpoint is 180 °C
- The measured temperature is, for example, 175 °C
- The control loop increases the heat output until the temperature reaches the setpoint
📌 In summary
A setpoint is the desired value to which a process is regulated. It is an essential part of any control loop, as it determines what the system aims to achieve.