Classic PLC Case Studies

1. Basic Knowledge of PLC A Programmable Logic Controller (PLC) is a digital computer control device specifically designed for industrial environments. It uses programmable memory to store instructions for executing logical operations, sequential control, timing, counting, and arithmetic operations, controlling various types of machinery or production processes through digital or analog input/output. 1.1 Working Principle … Read more

PLC Energy Saving Transformation: Upgrade Solutions for Old Equipment with Immediate Energy Efficiency Results!

“PLC Energy Saving Transformation: Upgrade Solutions for Old Equipment with Immediate Energy Efficiency Results!” Hello everyone! Today, let’s talk about a topic that factory owners both love and hate—electricity bills! Looking at those “old buddies” working hard in the workshop, do you often find yourself worrying about the electric meter? Don’t worry, I have a … Read more

Siemens S7-1500: New Technology in Industrial IoT Data Acquisition

Industrial IoT Data Acquisition: Practical Experience Sharing on S7-1500 Hello everyone, I am an engineer with 15 years of experience in industrial automation, mainly responsible for projects related to industrial IoT and data acquisition. Today, I would like to share my practical experience in using the Siemens S7-1500 PLC for data acquisition. Why Focus on … Read more

A Step-by-Step Guide to Implementing Streamable HTTP Type MCP Protocol for Server and Client

Introduction In the digital age, the efficiency and stability of data transmission are key drivers of technological advancement. The MCP (Model Context Protocol), as an important part of the AI ecosystem, introduces a Streamable HTTP transmission mechanism that brings revolutionary changes to data interaction. This article will delve into the Streamable HTTP of the MCP … Read more

How to Configure HTTP Request Headers in Locust

Configuring HTTP request headers in Locust is very simple. You can achieve this by passing the headers parameter when calling the appropriate method of the client object. Below, we will detail how to add custom request headers for different types of HTTP requests. How to Set Request Headers for HTTP Requests in Locust 1. Basic … Read more

Can HTTP/2 + SSE Completely Replace WebSocket?

Hello everyone, it’s great to see you again, I am “Frontend Technology Advancement“, and I will guide everyone to pay attention to the cutting-edge of frontend technology and delve into the underlying technologies, let’s progress together. Also, feel free to follow, like, bookmark, and share! 1. What is SSE (Server-Sent Events) Server-Sent Events (SSE) is … Read more

How MQTT Protocol Revolutionizes Industrial Data Acquisition for Cost Reduction and Efficiency Improvement

How MQTT Protocol Revolutionizes My Industrial Data Acquisition Practices From Traditional Gateways to Protocol Integration: My Technical Transformation Journey As a system integration engineer in the field of industrial automation, I have experienced the transition of industrial data acquisition technology from traditional edge gateways to protocol integration. Over a decade of experience, I have deeply … Read more

Detailed Analysis of Common IT Terms (Part Four) | MQTT, PdM, Ping, NetFlow

MQTT (Message Queuing Telemetry Transport) MQTT stands for Message Queuing Telemetry Transport. It is a lightweight messaging protocol suitable for situations where clients require a small code footprint and need to connect to unreliable networks or networks with limited bandwidth resources. It is primarily used for machine-to-machine (M2M) communication or Internet of Things (IoT) type … Read more

Bridging Industrial Islands: Integrating Modbus with MQTT in One Minute

Free for commercial use! A low-code visual development platform for industrial web with over 1500 components. Essential knowledge!!! Understand Modbus time synchronization in 3 minutes. Where does HTTP fall short? Why is IoT relying on MQTT!!! In the Industrial Internet of Things (IIoT), Modbus and MQTT are two common communication protocols, each with its own … Read more

Understanding the MQTT Publish/Subscribe Architecture

When introducing communication protocols, understanding their communication architecture is crucial for a clear understanding of their working principles and mechanisms. Just as OPC UA follows the Server and Client framework of OPC, what framework does MQTT follow? MQTT Publish / Subscribe Architecture The MQTT protocol operates based on the publish/subscribe model. In traditional network communication, … Read more