| 摘要 |
PURPOSE:To rewrite a program during control by controlling a controlled system in a mode of a changeover switch according to a specific program on the basis of detection data from the controlled system. CONSTITUTION:A temperature controller 1 is provided with a set key 2 for setting a control step of temperature, etc., a key 3 for intermitting a control output, and a display device 4 for displaying control parameters, etc. The temperature of the controlled system 5 is detected by a sensor 6 and supplied to a central arithmetic device 8 through an A/D converter 7 to perform programmed control over the controlled system 5 according to an arithmetic processing procedure stored in a memory 9. The key 3 is a switch for switching between an operation and a stop mode; when this is set at the run mode position, the controlled system 5 is driven and when at the stop mode position, control output processing is completed. Interruption processing, e.g. program input and alteration of contents are performed during the processing when the set key 2, etc., is depressed. |
