To communicate with other devices in a PLC, the MODBUS function library is definitely the most commonly used. Let me share my experiences and some tips from my work~ As the “universal solution” in the field of industrial automation, the MODBUS library allows our PLC to communicate with other devices that support the MODBUS protocol. … Read more
What is Modbus? As the name suggests, it is a bus protocol. For example, serial port protocols, IIC protocols, and SPI are all communication protocols. If you are familiar with such protocols, it is likely that you are in the industrial sector or your product is used in industrial applications. What is Modbus Used For? … Read more
Modbus Communication Protocol Introduction: The ModBus network is an industrial communication system formed by connecting programmable controllers with intelligent terminals and computers via public or local dedicated lines. Its system structure includes both hardware and software. It can be applied to various data acquisition and process monitoring. The ModBus network has only one master, and … Read more
In industrial control, power communication, and smart instrumentation, data exchange often relies on serial communication. Initially, the RS232 interface was the mainstream choice; however, due to the complexity of industrial sites, various electrical devices generate electromagnetic interference that can lead to signal transmission errors. In 1979, Schneider Electric designed and launched a bus protocol specifically … Read more
Follow+Star Public Account, don’t miss wonderful content Author | strongerHuang WeChat Public Account | Embedded Column Recently, some friends asked about Modbus issues. This article briefly describes some common problems with Modbus. You may not know what Modbus is. In fact, Modbus is widely used in real life and is present in almost all industrial … Read more
Some may still be unaware of what Modbus is; in fact, Modbus is widely used in real life, and it is present in almost all industrial electronic device systems. Below, we will describe some common questions about Modbus for beginners. What is Modbus? Modbus is a communication protocol developed by Modicon (now Schneider Electric) in … Read more
At the beginning of 2020, due to the development of the novel coronavirus epidemic, major enterprises delayed their resumption of work, and universities postponed their admissions. Every moment’s news affects everyone’s heart. At this moment, in order to ensure the progress of industrial digitization and promote the continuous development of the industry, GE Digital Group … Read more
1. Types of Industrial Automation Instruments Currently, industrial automation instruments mainly include flow instruments, pressure instruments, level instruments, temperature instruments, and online process analyzers. Flow instruments are further divided based on their measurement principles, including velocity method, volumetric method flow meters, direct method, derived method mass flow meters, and various types such as rotor type, … Read more
1. What is Industrial Equipment Clouding? “Industry 4.0” is the fourth industrial revolution led by intelligent manufacturing, which has transformed the manufacturing industry into intelligence by fully utilizing information communication technology and the integration of cyber-physical systems. To realize the concept of “Industry 4.0,” the essential step is to cloud industrial equipment, aiming for intelligent … Read more
Types of Industrial Automation Instruments Currently, industrial automation instruments mainly include flow instruments, pressure instruments, level instruments, temperature instruments, and online process analyzers. Flow instruments are further divided into velocity method and volumetric flow meters based on their measurement principles, as well as direct and derived mass flow meters, and various types such as rotor … Read more