The implementation of the IoT gateway enables seamless connection between PLC and the cloud, enhancing production efficiency and remote monitoring capabilities, which is a core technological support for Industry 4.0. 1. Communication Network Architecture 1.1. Fieldbus Selection In the IoT gateway control system, selecting the appropriate fieldbus is crucial. For Siemens PLC systems, commonly used … Read more
In the modern technology field, embedded system interfaces play an indispensable role as the core hub for information exchange. Various interfaces achieve efficient data transmission and intelligent collaboration between devices through standardized communication protocols and specifications. As one of the core technologies in embedded development, a deep understanding and proficient use of interfaces directly determine … Read more
The three low-speed communication protocols IIC, SPI, and UART are widely used in our actual designs. Common communications between various ICs and between PCBs and external serial ports often utilize these protocols. Today, we will specifically share the similarities and differences among these three low-speed communication methods. Communication Name SPI IIC UART Synchronization/Asynchronous Communication Synchronization … Read more
Industrial IoT Data Acquisition is a core technology for smart factories, enabling Siemens PLC to achieve production transparency and intelligent decision-making, helping enterprises reduce costs and increase efficiency. 1. Communication Network Architecture 1.1. Fieldbus Selection In the Siemens PLC environment, the choice of communication network directly affects the stability and response speed of the system. … Read more
Click the blue text / to follow us Serial Communication and Parallel Communication In communication and computer science, serial communication is a general concept that refers to all serial communication protocols, such as RS232, RS422, RS485, USB, I2C, SPI, etc. Serial communication refers to a communication method that transmits data bit by bit using only … Read more
Free for commercial use! A low-code visual development platform for industrial web with over 1500 components. Provocative question!!! Can a host computer replace a PLC? Revealing the efficiency boost once DCS is online? In modern industrial automation systems, PLC (Programmable Logic Controller) and DCS (Distributed Control System) are two common yet distinct control architectures. So, … Read more
JZGKCHINAIndustrial Control Technology Sharing Platform With the continuous development of industrial automation and information technology, PLC (Programmable Logic Controller) has become an indispensable key device in the field of industrial automation. As a powerful programming language, Python is increasingly favored by engineers for communication with PLCs. Python excels in scientific computing, data processing, and visualization, … Read more
Click the blue text for more exciting information Remote Monitoring Solutions for Industrial Automation Driven by PLC Function Block Diagrams Just two days ago, I received a call; Old Li’s paper mill had another problem. He insisted on using that cheap domestic RTU for protocol conversion last time, and now, well, it keeps dropping connections … Read more
1. Independent Chip Select (Standard Multi-Slave Mode) Solution Description: Each slave device is assigned an independent SS (chip select) line, and the master device activates the target slave by pulling down the corresponding SS line.Advantages: Each slave is independently controlled, and communication does not interfere with each other. Supports full-duplex high-speed transmission.Disadvantages: The number of … Read more
Hello everyone, I am Lin, an embedded software developer with many years of experience. Today, I will share the essential I2C protocol interview questions that you should master, hoping to help you. Click below to follow me Follow Introduction: The interviewer asked some I2C questions, and I couldn’t answer them. As an embedded engineer, is … Read more