The Second Day of the Business Trip On the second day of Lin Hao’s business trip, the house felt particularly empty. The usually noisy home was now silent, with only me left. My name is Su Qing, and I have been married to Lin Hao for five years; our life has always been simple and … Read more
Runyue 2025-08-13 Response Related Article: Runyue Article: Critique, Commentary, and Facts Reader:In the past, when I described events and answered questions, I tried to view issues from different angles and perspectives, then synthesize them to express the state of the matter itself. However, a friend directly told me that they felt I was like an … Read more
Smart drones are an important part of the low-altitude economy, with extensive applications in disaster relief, logistics, geological surveying, environmental protection, agricultural pest control, and aerial filming. In recent years, the continuous development of smart drones has brought significant market opportunities to the low-altitude economy. According to statistics, the output value of China’s smart drones … Read more
Hello, good evening everyone~ Today we have another technical article about Siemens communication! Siemens Modbus RTU Communication: S7-200 Smart Modbus RTU Master Station Communication (√) S7-200 Smart Modbus RTU Slave Station Communication (√) RS485/232 Communication Ports and DP Connector Connection Methods (√) S7-1200 Modbus (RTU) Instruction V3 Basic Functions S7-1200 Modbus (RTU) Instruction V4 New … Read more
Click on the above “Huanghua Electronic Components” to follow us What is a termination resistor? A termination resistor is a hindrance encountered during the transmission of electronic information. When transmitting high-frequency signals, the signal wavelength is relatively short compared to the transmission line, causing reflection waves at the end of the transmission line, which interferes … Read more
Search on WeChatTechnical Training Users often encounter this problem: Why can’t my touch screen communicate with the PLC? For example, here are two issues: 1. The Weintek touch screen cannot communicate with the Siemens PLC, always prompting that the PLC is unresponsive. What settings should be made? Solution approach: Ensure that the baud rate, data … Read more
The above ☝️☝️☝️ is about a food-related public account, where each recipe has detailed steps and high-definition images, making it easy for kitchen novices to get started. Follow it to unlock more deliciousness and keep your meals surprising throughout the seasons! 1. Basic Concepts of MQTT Protocol (1) Origin of MQTT Protocol: The MQTT protocol … Read more
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1. What is MODBUS?1. Basic Concept MODBUS is a soft communication protocol first advocated by MODICON (now a brand of Schneider Electric), which has gradually been recognized as a standard communication protocol through practical applications by most companies. As long as data communication or transmission follows this protocol, different systems can communicate with each other. … Read more
A few days ago, I saw discussions in the group chat about the issue of “TTL, RS232, and RS485 transmission distances“..Today, I took some time to share related content, hoping it will be helpful to everyone. Overview Many people may not be very familiar with TTL, RS232, and RS485, so let me briefly summarize what … Read more