Reply in the public account below:Interview Manual to get the three interview PDF manuals compiled by Jie Ge. According to the analysis report on the cybersecurity monitoring data of China’s internet in the first half of 2020, malicious program-controlled servers, denial of service attacks (DDoS), and other network attacks have been on the rise. To … Read more
What Is Congestion We all know that resources in computer networks are limited. When the demand for resources in the network exceeds the available portion within a certain period of time, it leads to a decrease in network performance, which is known as congestion. In simpler terms, it means that too many data packets are … Read more
Recently, I worked on a development project involving network programming. The development process went smoothly, but after completing the task, I still felt some confusion. This was mainly due to my unfamiliarity with network protocols and my lack of clarity on some concepts. Later, I spent some time understanding these network protocols, and I now … Read more
The project was completed two years ago, at a time when there wasn’t as much information about Fanuc robots available online. This project was completed through exploration, and I am writing this article based on my memory. If there are any inaccuracies, please take it lightly and consider this article as a reference idea.1. Control … Read more
↑ Click on the blue text above “ PLC Enthusiasts ” to follow us! Introduction: In the workplace, communication with other devices is often required, and the ABB robot, as one of the four major families, has extremely rich communication functions. If communication with a PLC is needed on-site, and the PLC supports the MODBUS … Read more
↑ Click the above “Smart Manufacturing Home” Follow us Source: FreeBuf COM Written in front Hello everyone, I am Xiao Zhi, the owner of Smart Manufacturing Home~ When it comes to digitization, industrial networks and data communication are topics we can never avoid~ Previously, I introduced various protocols, interfaces, etc. in industrial communication: The most … Read more
Modbus Communication Protocol 1. Overview The Modbus communication protocol is an industrial field bus protocol standard. The commonly used Modbus protocols include three types: Modbus TCP, Modbus RTU, and Modbus ASCII. The Modbus communication protocol addresses the issue of sending information between electronic devices over serial lines. This protocol implements a master/slave model within its … Read more
1. The TPC/IP protocol is a transport layer protocol, primarily addressing how data is transmitted over the network, while HTTP is an application layer protocol, mainly focused on how to package data. Regarding the relationship between TCP/IP and HTTP protocols, there is a relatively easy-to-understand introduction: “When we transmit data, we can use only the … Read more
Communicating between the KingView configuration software and S7-200 SMART PLC via Ethernet can be a bit challenging for beginners who are unsure about the configuration and communication process. Let’s go through the steps together.01 Download Driver Step 1: (Download the TCP driver file from the official KingView website) Download link: http://www.kingview.com/down_info.php?id=S7_TCP.dll Step 2: (Once downloaded, … Read more
200 SMART TCP Communication Last time, I introduced the TCP_CONNECT instruction of 200 SMART. This time, I will continue with the TCP_SEND and TCP_RECV instructions. The TCP_SEND and TCP_RECV instructions are relatively simple, so I will introduce them together. EN: Enable. For the receive instruction, it is recommended to trigger with a constant 1. Req: … Read more