In push exchanges, also known as event notifications, the bus initiates the transfer of the message to some waiting application.

在push交换(也被称为事件通知)中，总线为某些等待的应用程序启动消息的传输。

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The definitions given by IEC 61850 on logical nodes (LNs), PICOM, event time, transfer time, types and performance classes of message are expounded.

阐述了IEC 61850对逻辑节点、通信信息片、事件时间、传输时间、报文的类型和性能级的定义。

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