SAMWONTECH
1st Edition of TEMP880S IM : Sep. 21. 2005 Page 32 / 101
▶ Auto tuning is a function for automatically adjusting P, I, D parameter to the optimal condition
▶ suitable for a system for controlling a heat shock tester.
▶ Auto tuning can be performed only when thermal shock tester is running, and be done for a
▶ aboratory currently operated. For example, when auto tuning is operated during the operation
▶ of the present high temperature room. When auto tuning is completed, P, I, D values
▶ automatically calculated by auto tuning are automatically set in P, I, D parameter of high
▶ temperature part of laboratory and of high temperature room.
Diagram 2-22. Example of Auto Tuning Operation
▶ It is impossible to perform auto tuning or auto tuning is forced to be terminated under the
▶ following conditions.
→ When a thermal shock tester stops running
→ When a sensor burns out
→ When a user manually stops auto tuning before the automatic termination after the
→ operation of auto tuning
▶ A manufacturing company sets P, I, D parameters so that a thermal shock tester can make
▶ optimal control through experiment during the production of the tester. When performing auto
▶ tuning, P, I, D parameters related to control initially set up are changed. Therefore, controlling
▶ features of a thermal shock tester can be changed. Accordingly, when you intend to operate
▶ auto tuning, please discuss it with a heat shock tetster manufacturing company without fail.
AUTO TUNING
Caution for Auto Tuning
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AT end
AT start
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