The terminal resistance of the CAN bus is generally 120 ohms. In fact, during the design phase, it consists of two 60 ohm resistors connected in series. There are typically two 120Ω nodes on the bus, which is a basic understanding for anyone who knows a little about CAN bus.However, as a struggling student, I … Read more
Analysis of Anti-Interference Technologies in Drone Self-Organizing Network Systems A MESH self-organizing network system composed of multiple drones and ground stations is a decentralized wireless communication network. The system consists of multiple airborne and ground communication terminals, with the core feature being “no fixed center,” adopting a decentralized architecture where all nodes are equal. In … Read more
Practical tips for daily applications of PLCs, hoping to assist everyone in their routine use of PLCs.1Grounding Issues The grounding requirements for PLC systems are quite strict; it is best to have a dedicated grounding system, and attention should also be paid to ensuring that other devices related to the PLC are reliably grounded. When … Read more
As an innovator in the field of industrial communication, Naisun Automation provides high-reliability communication solutions for core industries such as global manufacturing, chemical, energy, and water treatment with its Profibus fiber optic module series. Its core value is reflected in three dimensions: protocol compatibility, anti-interference capability, and long-distance transmission, precisely matching the stringent requirements of … Read more
Long-distance link transmission in the Internet of Things (IoT) typically refers to wireless transmission technologies with single-hop transmission distances reaching kilometers or even over ten kilometers. With the increasing demand for widespread coverage in IoT, long-distance link transmission has become an important research direction. It holds significant application value in practical scenarios such as ocean … Read more
With the rapid development of the Internet of Things (IoT), the strategic value of Low Power Wide Area Network (LPWAN) in wireless communication has significantly increased. LoRaWAN (Long Range Wide Area Network) is the core technology of LPWAN, widely used in agriculture, industry, and consumer sectors due to its advantages of “low power consumption, wide … Read more
In the vast realm of PLC engineering practice, projects often resemble complex mazes, with numerous input and output points acting as checkpoints within the maze. Have you ever been troubled by a sudden failure of a physical point in your PLC? When such situations arise, if the program is directly bound to the actual I/O … Read more
In the vast realm of PLC engineering practice, projects often resemble complex mazes, with numerous input and output points acting as checkpoints within the maze. Have you ever been troubled by a sudden failure of a physical point in your PLC? When such situations arise, if the program is directly bound to the actual I/O … Read more
Some screenshots of electronic books 【Complete Set of Hardware Learning Materials Collection】
Analysis and Solutions for Interference Issues in PLC Distribution Cabinets The interference issues within PLC distribution cabinets mainly stem from electromagnetic interference, poor grounding, power fluctuations, and improper cable layout, which can lead to PLC malfunctions, data anomalies, and even system failures. Solutions should focus on suppressing interference sources, blocking transmission paths, and protecting sensitive … Read more