North China Industrial Control has always aimed to “empower industrial control and serve an intelligent society,” actively promoting the intelligent and digital transformation of various industries. With the rapidly expanding wind power market and strong demand for wind power equipment status monitoring, it is continuously enhancing the innovative research and development and practical application of … Read more
Introduction Recently, there have been two competing lines of thought in the field of industrial control. Some argue that PC can be effectively used for control, while others claim that PC is never suitable for factory environments. Today, these competitors easily accept the current status of PC machines being used for many industrial production controls, … Read more
In industrial applications, there are many bus application scenarios, such as the conversion between RS-232 and RS-485 with bidirectional isolation, and the sharing of RS-485 and RS-422 interfaces. This article will introduce solutions for such applications that are not only simple and convenient but also improve communication reliability. High-Performance RS-232 to RS-485 Bidirectional Conversion Circuit … Read more
Click on the “Technical Training” above, select “Top Official Account“ Over 160,000 industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos Methods for Mitsubishi PLC to Control Mitsubishi Inverter: Use the PLC’s digital output to control the inverter (i.e., connect the PLC’s digital output directly to the inverter’s digital input, … Read more
Click↑↑Technical Training, follow and pinto subscribe for free long-term 180,000+Industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos After establishing RS-485 communication between the inverter and PLC, commands sent by the PLC via the communication cable can be received. If multiple inverters are connected to the PLC via RS-485, each … Read more
Profibus is an important fieldbus widely used in industrial control. This article analyzes the common problems that occur in Profibus networks, discusses their causes, provides several diagnostic methods, compares the advantages and disadvantages of these methods, and summarizes interference prevention and handling measures. Since the 1990s, the rapid development of 4C technology in the information … Read more
Click the arrow and the “blue text” to follow us! In industrial control, communication plays a very important role. Any control is based on correct, reliable, and efficient communication. Let’s learn about Siemens’ Profibus DP communication. The Profibus DP communication of Siemens is mainly divided into the following three forms. 1. Communication between the master … Read more
Free FANUC/Yaskawa Industrial Robot Materials, Interested? (Click on the red text above to receive the materials for free) PROFIBUS is an open digital communication system with a wide range of applications, representing a significant breakthrough in the transition from centralized automation systems to decentralized automation systems. Since its inception, PROFIBUS has focused on system integration … Read more
S7-1200 acts as a DP Master during communication. When a DP slave is lost, the CPU does not stop, nor is it necessary to download an organization block to the CPU. For fault diagnosis of PROFIBUS DP, there are several methods: 1. Through the Indicator Lights on the Module The DIAG light on the front … Read more
(1) Overview of PROFIBUS PA Bus PROFIBUS is the abbreviation for “Process FieldBus”, which officially became the international standard for fieldbus in 1989. It currently dominates various automation fields and consists of three parts: PROFIBUS DP PROFIBUS PA PROFIBUS FMS PROFIBUS PA is suitable for process automation design, applying intrinsically safe transmission technology (Manchester coding, … Read more