The emergence of the Internet of Things and artificial intelligence has led to profound transformations across various industries. The technological upgrade from cloud to edge has also imposed new requirements on different sectors. According to data from the well-known organization IDC, it is estimated that by 2025, about 75% of data will be generated and … Read more
CAA Wisdom sets sail, creating the future together 1 Overview The Five-hundred-meter Aperture Spherical radio Telescope (FAST) is the world’s largest single-aperture radio telescope. As a multidisciplinary basic research platform, FAST has the capability to extend neutral hydrogen observations to the edge of the universe, observe dark matter and dark energy, and explore the origin … Read more
1. Case Control Requirements 1. Equipment Used: FX3U-PLC (with 485-BD board), Mitsubishi Inverter. Control Requirements:The PLC communicates with the Mitsubishi E800 inverter to control the inverter’s forward rotation, reverse rotation, and frequency modification. 2. Hardware Wiring Instructions Open the inverter cover, and you will see a port on the circuit board that looks like a … Read more
Course Details: The “Practical Tutorial on RS-485 Communication Module” is designed and planned by a team of professional electronic engineers from Changxue Electronics, and is recorded exclusively. This course mainly introduces the process, methods, techniques, and design concepts of developing the 51 microcontroller module through the form of module instantiation, focusing on the system design … Read more
Over 70,000 friends have followed the industrial control WeChat platform:Technical sharing,Learning exchange,Industrial control videos Solutions to RS485 Communication Port Damage in Siemens S7-200 PLC: 1. Internal RS485 Interface Circuit Diagram of S7-200 PLC: In the diagram, R1 and R2 are ordinary resistors with a resistance of 10 ohms, which serve to prevent excessive current from … Read more
To enable communication between devices, there needs to be a bridge connecting the two, which consists of the transmission path and communication protocol. The earliest interface used for device communication was RS232. However, as technology developed, RS232 began to show some limitations, which led to the emergence of new interface standards, one of which is … Read more
The bus, known in English as “BUS”, is very much like a public bus. The route of a public bus is fixed, and anyone can take the bus to any stop along its route. If we compare people to electronic signals, this is the true meaning behind why it is called “BUS” in English instead … Read more
Search on WeChat Technical Training >>>> Step One: Create a new project, enter the new project wizard, and select the model; >>>> Step Two: In the project new wizard, select “Standard I/F (RS422/485)” in the “Connection Machine Settings” under “I/F”; >>>> Step Three: Complete the touch screen settings as follows; After editing the touch screen … Read more
Click on the ” Technical Training ” above, and select “Top Official Account“ 170,000+ industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos 01 Connection Count The S7-200 SMART CPU can connect to Siemens HMI devices that support the PPI protocol either through its built-in RS485 port or signal board, … Read more
The relationship between PLC and inverter is one of inclusion, where both can execute specific commands to control electric motors. The PLC is a programmable hardware for executing programs, while the inverter is one of the devices it can control. However, the PLC’s scope is broader than that of the inverter, enabling it to control … Read more