PLC模块在以太网通信特点: PLC模块支持的网络协议较为广泛。 1、标准通信(standard communicaTlon) : 主要用于传输结构化数据。PLC模块是一 个符合ISO/IES9506-4的工 业以太网通信标准，其提供了开放统-的通信标准，可以连接各个厂商的产品。 2、S5兼容通信(S5-compaTlble CommunicaTlon) :该通信包括以下协议: ①ISO传输协议: PLC模块的ISO传输协议支持基于ISO的发送和接收，使得设备在I业以太网上的通信非常容易，该服务支持大数据量的数据传输，大达8KB。 ②TCP:即TCP/IP中的传输控制协议，提供数据通讯。 ③UDP:(UserDatagram Protocol,用户数据协议)提供了S5兼容通信协议，适用于简单的、交叉网络的数据传输，没有数据确认报文，但可以保证检测数据的正确性。 Characteristics of PLC module in Ethernet communication: PLC module supports a wide range of network protocols. 1. Standard communicataTlon: mainly used for transmitting structured data. The PLC module is an industrial Ethernet communication standard that complies with ISO/IES9506-4, providing an open communication standard that can connect products from various manufacturers. 2. S5 compatible communication (S5 compatTlble CommunicaTlon): This communication includes the following protocols: ① ISO transmission protocol: The ISO transmission protocol of the PLC module supports ISO based sending and receiving, making communication between devices on the I industry Ethernet very easy. This service supports large amounts of data transmission, up to 8KB. ② TCP: The transmission control protocol in TCP/IP, providing data communication. ③ UDP: (User Datagram Protocol) provides S5 compatible communication protocol, suitable for simple, cross network data transmission, without data confirmation messages, but can ensure the correctness of detection data.
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