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 ...

以前写过一篇文章是关于modbus协议的，只是简单地做了一下介绍，这次对于modbus RTU协议进行了深入的学习。 modbus 是OSI模型第七层上的应用层报文传输协议，OSI定义了开放系统的层次结构、层次之间的相互关系以及各层所包括的可能的任务，作为一个框架来协调 ...

Continuing its Industrial IoT (IIoT) theme – following the release of the Arduino PLC IDE – Arduino has announced the Arduino Opta, which it describes as an “easy-to-use micro PLC with Industrial IoT ...

While the Arduino organisation has been making industrial single-board computers for a while, it has finally taken the plunge and produced a complete industrial product – and industrial controller ...

“Secure and durable by design, it supports OTA firmware updates and ensures data security from the hardware to the Cloud thanks to the onboard secure element and X.509 Standard compliance. All while ...

At the core of the Arduino PLC Starter Kit lies the Arduino Opta mini PLC, a state-of-the-art microcontroller that serves as the brain of your automation projects. This powerful device boasts seamless ...