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 ...

Modbus是施耐德电气于1979年为使用PLC通信而发表的一种串行通信协议。 现在它已经成为工业领域通信协议的业界标准，并且是工业电子设备之间常用的连接方式。Modbus被广泛使用的原因主要有三个： Modbus通信协议作用在OSI模型的物理层（1层）、数据链路层（2层 ...

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 ...

The IXARX Rotary Encoders from Posital-Fraba are available in a wide range of mechanical configurations. Position and motion sensor specialist Posital has announced that it has expanded its range of ...

Along developing exciting new products, Posital continuously updates its established product portfolio to improve performance and meet emerging needs. A recent example has been the expansion of the ...