| 摘要 |
<p>Controlling and self-monitoring system for an electrical device comprising three poles, each including a make coil (BF1, BF2, BF3) and a break coil (BO1, BO2, BO3), an auxiliary break contact (CAO1, CAO2, CAO3) and an auxiliary make contact (CAF1, CAF2, CAF3), characterized in that each of the poles is equipped with a microprocessor ( mu P1, mu P2, mu P3) receiving in particular the information from the auxiliary break contacts and controlling two static relays (ISO1, ISO2, ISO3, ISF1, ISF2, ISF3) in series respectively in the circuit of the break coil and in the circuit of the make coil, the microprocessors being the subscribers of a local network comprising a serial bus (B) driven by a handler (GN) and linked to a processing station (OTC) receiving the signals collected by the microprocessors and the signals (O1, O2, O3, F) dispatched by the protection devices or by the operative. <IMAGE></p> |
