核聚变装置EAST极向场电源控制系统由三层网络组成：WINDOWS监测层、QNX实时控制层、现场总线执行层。
The poloidal field power supply control system of the nuclear fusion device-EAST is constituted of three layer networks: WINDOWS monitor layer, QNX realtime control layer, Fieldbus layer.
控制系统电源、控制器和网络均采用冗余配置。
The system control power, controller and network all apply redundant allocation.
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