New Year Gift for 2020, reply 【2】 in the background to receive the New Year gift With the continuous rise and development of wireless networks, the application fields of WiFi modules are quite extensive, extending greatly from indoor to outdoor spaces. Currently, the WiFi modules developed and produced by SKYLAB can be roughly divided into … Read more
What is the difference between gateways and routers? They are both network communication devices that serve the purpose of information transmission, and they seem quite similar, but there are indeed some differences. A gateway, also known as an inter-network connector or protocol converter, implements network interconnection above the network layer. It is the most complex … Read more
This article focuses on specific business aspects identified by QCI, such as base station-level QCI settings or cell-level QCI settings. This can lead to different QCI business switching parameter group IDs, DRX parameter group IDs, inter-system policy configuration group IDs, RLC PDCP parameter group IDs, logical channel priorities, etc. This article only introduces relevant commands; … Read more
JZGKCHINA Industrial Control Technology Sharing Platform 1 Introduction: RS-485 is a standard protocol for transmitting data that can be used to establish a reliable, high-speed, real-time, multi-node data communication network connection. RS-485 is also known as TIA-485. RS-485 defines the electrical characteristics of drivers and receivers used in serial communication systems. RS-485 is widely used … Read more
RS-485 Bus Overview When the communication distance is required to be from tens to thousands of meters, the RS-485 serial bus standard is widely used. RS-485 uses balanced transmission and differential reception, thus it has the ability to suppress common-mode interference. Additionally, the bus transceiver has high sensitivity and can detect voltages as low as … Read more
To pass the time, I will provide a detailed explanation of the previously written MQTT protocol code implementation; mainly focusing on the analysis and implementation of the MQTT network communication protocol, which specifically involves the splitting and processing of network data streams. Therefore, much of the content involves specific code functionalities. If you are interested … Read more
A64 EtherCAT Installation Guide Industrial Systems EtherCAT is an industrial Ethernet system that uses standard frames and physical layers defined in the Ethernet standard IEEE 802.3. This document is for educational use only Excerpt from EtherCAT Installation Guide If you need related materials, you can reply in the public account backend: 202309153 to obtain it. … Read more
Free FANUC/Yaskawa Industrial Robot Materials, Interested? (Click on the red text above to receive the materials for free) PROFIBUS is an open digital communication system with a wide range of applications, representing a significant breakthrough in the transition from centralized automation systems to decentralized automation systems. Since its inception, PROFIBUS has focused on system integration … Read more
Profibus DP Networking Key Points In industrial sites, one of the most troublesome issues for engineers is communication. Often, they feel that all their settings are correct, yet communication fails, leaving them confused. Below, we will specifically introduce how to set up a Profibus DP network for normal and stable operation. The setup of a … Read more
When mentioning Siemens’ communication, we must talk about PROFIBUS. Are you familiar with it? PROFIBUS is used in what ways? PROFIBUS supports master-slave mode as well as multi-master and multi-slave operating modes. In a multi-master environment, the control of the bus is determined by a token-passing method among the masters; once control is obtained, the … Read more