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C o n tro ller B asics. Danaher Industrial Controls Group –. Process Automation, Measurement & Sensing. Temperature. Controller. Basics. Handbook
Why do we need temperature controllers?
Temperature controllers are needed in any situation requiring a given temperature be kept stable. This can be in a situation where an object is required to be heated, cooled or both and to remain at the target temperature (setpoint), regardless of the changing environment around it. There are two fundamental types of temperature control; open loop and closed loop control. Open loop is the most basic form and applies continuous heating/cooling with no regard for the actual temperature output. It is analogous to the internal heating system in a car. On a cold day, you may need to turn the heat on to full to warm the car to 75°. However, during warmer weather, the same setting would leave the inside of the car much warmer than the desired 75°.
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"Temperature Controller Basics Handbook"
Mon Mar 18, 2013 07:07:19 PM
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