[导读]Modbus协议是工业自动化领域应用为广泛的通信协议之一，由Modicon公司(现施耐德电气)于1979年为可编程逻辑控制器(PLC)通信而开发，如今已成为工业设备间通信的业界标准^。 一、Modbus协议基础认知 Modbus协议是工业自动化领域应用为广泛的通信协议之一，由 ...

在设备数据采集、PLC联网、仪表接入、工业物联网项目中，Modbus TCP 和 Modbus RTU 是最常见的两种通信方式。很多项目在前期都会碰到同一个问题：现场到底该选 TCP，还是继续用 RTU？ 如果是新项目、网络条件允许、设备也支持以太网，通常更适合优先考虑 Modbus TCP ...

可将仪表的RS485通讯端口转换为以太网接口，RS485通讯端可以连接*多达36台AI系列仪表，使得AI 系列仪表能直接连接到工业以太 ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Waveshare has launched the 8-Channel RS485 TO ETH (B) and 8-Channel RS485 TO POE ETH (B) industrial Ethernet serial servers designed for bi-directional transparent data transmission between RS485 and ...

US-based Altech Corp has recently announced the DO-1 universal monitor for Modbus devices to enable companies to easily monitor, collect, and analyze their equipment and process data such as ...

PEAKnx, a manufacturer of innovative solutions for future-proof home and building automation based in Darmstadt, Germany, has launched the new KNX Modbus Gateway TCP secure – an intelligent interface ...

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This online book, “A comprehensible guide to industrial Ethernet” by Wilfried Voss, explains the basics of various protocols, such as Ethernet/IP, Modbus/TCP, EtherCAT, Ethernet Powerlink, ProfiNet ...