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
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
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
Siemens all-subject + TIA Portal + EPLAN electrical drawing video recordings are available for low-price packaging! Chuangkong Education Siemens All-Subject Class Course Introduction 01 Connection Quantity The S7-200 SMART CPU can connect to Siemens HMI devices that support the PPI protocol either through the integrated RS485 port or signal board, or through the integrated Ethernet … Read more
As TI employees, we are often asked if there are any insights or tips we have when designing with RS-485. To this end, we have compiled a series of comprehensive tips that must be remembered when using RS-485. And usage methods…… 1) Use twisted pair cables with Zo = 120Ω or 100Ω 2) Connect bus … Read more
The 485 relay module uses the RS-485 communication protocol for data transmission, allowing independent or simultaneous control of multiple relay switch states through serial communication. This makes it easier to control multiple devices or circuits. It not only saves wiring costs but also features a compact size, strong anti-interference capability, long transmission distance, and high … Read more
Click on the above “ Technical Training ”, select “Pin to Top” 130,000+ industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos 1. Introduction In recent years, computer control has been rapidly promoted and popularized. Industrial control computers, PLCs, frequency converters, touch screens, robots, and flexible manufacturing systems are widely … Read more
This design guide discusses how to design RS-485 interface circuits. The necessity of balanced transmission line standards is discussed, along with an example of process control design. The article also discusses line load, signal attenuation, fault protection, and current isolation under various headings. 1. Why Balanced Transmission Line Standards Are Necessary The focus of this … 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
In industrial automation and monitoring systems, the stability and reliability of data transmission are crucial. RS-485 and RS-232, as two common serial communication standards, each have unique advantages and limitations. Especially in terms of long-distance cable transmission, achieving stable and efficient data communication has always been a focus for engineers. This article will delve into … Read more