According to an aspect, there is provided an elevator communication system. The system comprises an Ethernet bus, a safety master node communicatively connected to the Ethernet bus and configured to communicate via the Ethernet bus, and safety slave nodes communicatively connected to the Ethernet bus and configured to communicate via the Ethernet bus. The safety master node and the safety slave nodes are configured to communicate by using a time-triggered communication protocol. In the time-triggered communication protocol, the safety master node is configured to send a polling diagnostic request message to the safety slave nodes by using a predetermined polling cycle.
根据一方面,提供了一种电梯通信系统。该电梯通信系统包括:以太网总线、通信地连接到以太网总线并配置为经由以太网总线进行通信的安全主节点,以及通信地连接到以太网总线并配置为通过以太网总线进行通信的安全从节点。安全主节点和安全从节点被配置为通过使用时间触发的通信协议进行通信。在时间触发的通信协议中,安全主节点被配置为通过使用预定的轮询周期向安全从节点发送轮询诊断请求消息。
Safety communication in elevator communication system
电梯通信系统中的安全通信
02.11.2021
Patent
Elektronische Ressource
Chinesisch
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