摘要 |
PURPOSE:To raise an economical property and a function of a system for using annunciators by constituting so that three states of operation, abnormality and pause of an apparatus can be displayed by one lamp by receiving a normal operation signal of the apparatus. CONSTITUTION:An apparatus start contact is set as a contact SG2 an apparatus abnormality contact is set as a contact SG1, and the contents are displayed by an intensity of turn-on, and turn-off of a lamp. That it to say, an operation is displayed by a weak turn-on, and at the time of abnormality, the abnormality is informed by an intense turn-on + a flicker + a buzzer, and the flicker and the buzzer are stopped by a buzzer stop button. Also, at the time of pause of the apparatus, it is displayed in a shape of turn-off that the apparatus is in pause. In this way, a state of the apparatus can be displayed in three ways by one lamp, and an economical property and a function of an annunciator are raised in a system for using many annunciators. |