To check if the water pump motor coil is burned out using a multimeter, you need to measurethe continuity between the coil windings,short circuit conditions, andinsulation resistance. First, determine whether the motor is a three-phase or single-phase motor. The resistance values of the three-phase motor windings are the same, while the resistance values of the … Read more
Search on WeChat Technical Training RS485 interfaces are composed of half-duplex networks, generally using two-wire systems, often employing shielded twisted pairs for transmission. This wiring method allows for a bus topology structure, which can connect up to 32 nodes on the same bus. Initially, data was output as analog signals for simple process quantities, and … Read more
Electrical Engineering Learning Network: www.diangon.com Follow the official WeChat account of Electrical Engineering Learning Network “Electrical Engineering and Electrical Learning” for more experience and knowledge. The “Self-Learning Manual for Servo Control Technology” focuses on servo control technology, introducing the basic concepts of servo motors and their drives; the structural characteristics, testing/experimental methods, and selection techniques … Read more
With the rapid development of the times, PCB and high-speed PCB design have become essential design skills that contemporary electronic engineers must master. It is also necessary to understand PCB manufacturing processes and PCB simulation methods. Today, we will discuss and analyze the classification and characteristics of PCBs. Generally speaking, printed circuit boards can be … Read more
“The PLC hasn’t arrived yet, but the manager wants the program online?” Don’t panic! Last night, I used the built-in simulator of TIA Portal V19 to run an 800-step 3D warehouse program overnight, with 0 errors and 0 crashes. Today, I am sharing this “no physical debugging secret”; just follow these steps, and you can … Read more
Click the blue text aboveto intuitively learn about machinery and subscribe to us for long-term updates In the process of learning PLC, in addition to mastering the essential theoretical knowledge, it is also necessary to personally design circuits for practice. When starting to learn PLC programming, one can begin with small circuits and simple programs, … Read more
The animated schematic diagrams of PLCs and sensors present the workflow of complex systems in a dynamic and intuitive manner, significantly enhancing learning efficiency and practical application capabilities. Below are their core advantages and typical application scenarios:PLC Sequential ControlPLC Forward and Reverse ControlButton SwitchPunching ProcessingPower-off Delay Timer RelayMulti-point ControlRoller-type Limit SwitchTraffic Signal LightRobot ArmAC ContactorThermal … Read more
As an experienced electrical engineer, I want to share some core insights on PLC control cabinet design. Whether you are a newcomer to the field or a seasoned professional looking to refine your skills, this content is worth saving for future reference—it might come in handy during your next wiring project!🔧 First, engrave the “Wiring … Read more
Click↑↑for technical training, follow and pin to subscribe for free long-term 190,000+ industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos Many industrial control personnel are familiar with PLC control. We all know that PLC control requires pre-written PLC programs; only when the program is set can the PLC execute … Read more
When it comes to actors, many people’s first reaction is: professional training? But there is one name that completely breaks this prejudice. He is a science and engineering graduate with a major in electrical engineering, yet he can bring characters to life in historical dramas; his height of 190cm was once mocked as “like a … Read more