Modbus TCP connections pose many benefits over RTU RS-485 alternatives. Image: PV Tech. In the last couple of years, the market has seen a few commercial and industrial (C&I) inverter models and ...

ICP DAS USA, Inc. introduces tGW-715i, a compact isolated Modbus TCP to Modbus RTU/ ASCII Gateway with Power over Ethernet option and 1 RS-422/RS-485 port. The tGW ...

这篇文章是接上一篇Modbus协议简介，主要介绍Modbus实际项目应用—libmodbus驱动库的使用，断断续续写了近一周时间。 上一篇文章，我们介绍了Modbus协议物理层和协议层，我们知道了Modbus是一种总线协议，它可以基于串口或网口，以基于串口的Modbus-RTU为例，我们 ...

今天来总结一下Modbus-RTU协议，原本想把实现思路也一起发出来，但是感觉太长了，就拆开了。 前世今生 照例简单说下这个协议的历时，Modicon公司于1979年制定了Modbus协议标准，并用在其PLC产品上。后来Modicon公司被施耐德收购。已成为一种事实标准协议，同时也 ...

The new Anybus BACnet to Modbus gateway makes it possible to connect Modbus devices to a BACnet network. The gateway handles conversion between Modbus (RTU, ASCII, and TCP) and BACnet/IP and makes ...

Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...