Long press the QR code to learn about the course Jicheng Training Network Jicheng Training Network is a brand dedicated to remote education in the manufacturing industry. Focusing for 12 years, the professional courses cover electrical basics, PLC, frequency converters, servos, human-machine interfaces, mechanical drawing, CNC, robotics, and other high-quality courses, aiming to create a … Read more
Click on the blue text to follow me! The motor is the most common driving power device in our production and daily life. For example, common toys, fans, water pumps, etc., all have motors. Apart from those that are obviously burnt out, sometimes the motor’s exterior does not show visible damage. How can we determine … Read more
Abstract:This paper introduces the main technical performance requirements of RS-485 bus cables for communication in the 90 ℃ tower solar photothermal power generation mirror field. It elaborates on the material selection and production process control of heat-resistant, cross-linked polyethylene insulated RS-485 bus cables used in the 90 ℃ tower solar photothermal power generation mirror field. … Read more
Siemens Comprehensive + TIA Portal + EPLAN Electrical Design Video Recordings Available at Low Package Prices! Chuangkong Education Siemens Comprehensive Class Course Introduction RS232 and RS485 are common interfaces in low-voltage applications. Many friends mention the differences between them, so today let’s learn about them together. 1. Physical Structure of the Interface 1. RS232 Interface: … Read more
Search on WeChat Technical Training The RS485 bus has advantages such as simple structure, long communication distance, fast communication speed, and low cost. It is widely used in industrial communication, power monitoring, instrumentation, and other industries. Due to the harsh industrial control environment, there is more interference coupling in the communication lines, which affects the … Read more
Click↑↑Technical Training, follow and pinto subscribe for free long-term 190,000+Industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos RS232 and RS485 are common interfaces in low-voltage applications. Many friends mention the differences between them, so today let’s learn about them together. 1. Physical Structure of Interfaces 1. RS232 Interface: One … Read more
Development of PROFIBUS DP data bus cable WANG Hai-ling1, ZHANG Hong-yan2 (1. Anhui Xinke Cable Group Co., Ltd., Wuwei 238300, China; 2. Anhui Zongheng HI-TECH Cables Co., Ltd., Hefei 230051, China) [Abstract]: With the continuous deepening and development of the domestic industrialization process, the demand for industrial automation networks is increasingly extensive. Especially since the … Read more
Siemens All-Subject + TIA Portal + EPLAN Electrical Drawing Video Recordings for Sale at Low Prices! Chuangkong Education Siemens All-Subject Course Introduction When it comes to Siemens communication, we must mention PROFIBUS. Do you know what it is? How to use it? PROFIBUS supports master-slave mode and multi-master multi-slave mode. In the multi-master mode, the … Read more
The group standard T/CES 251-2023 “Hardware-in-the-Loop Testing Specification for Grid-Connected Performance of Energy Storage System Inverters” was proposed by the China Electrical Engineering Society and drafted by the Electric Power Research Institute of State Grid Henan Electric Power Company and other units. This standard specifies the technical requirements for preparation, testing platform, testing items and … Read more
A multimeter can be used to measure current, and when measuring current with a multimeter, it is important to distinguish between direct current (DC) and alternating current (AC). Below is an explanation using the Victory digital multimeter: If you are repairing electronic circuit boards, you will mostly be measuring DC current, and most of it … Read more