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 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 ...