| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a set value from becoming different from an intended value due to chattering generated when a setting change switch is operated. <P>SOLUTION: When it is detected that the setting change switch 51 which is a contact switch changes from an ON state to an OFF state, an invalidity timer 125 starts time measurement of prescribed time determined beforehand. During the time measurement of the invalidity timer 125, the detection state of the setting change switch 51 becomes invalid, and even when the switch is turned to the OFF state while the operation continues for the setting change switch 51, the set value is not updated, by the fact that the setting change switch 51 changes from the OFF state to the ON state, during the prescribed time. <P>COPYRIGHT: (C)2013,JPO&INPIT |
