In a previous article about QR code settings, a colleague expressed concerns about the accuracy of PLC time. When there is a PC in the system, the NTP time synchronization feature can be used. Below, we will introduce the settings for NTP. This article has been saved in PDF format, and the link is provided … Read more
Finally, just download the hardware configuration.
Click on the “Programmer Technical Expert” above, follow and select “Set as Star” Reply with “Join Group” to get qualification for group discussions! In a modern distributed system, “time accuracy” is the underlying cornerstone of all computations, yet it is often the most overlooked foundational capability. From log alignment, monitoring alerts, transaction consistency, to container … Read more
Linux Time Synchronization In today’s digital age, time synchronization is a critical technology in Linux system management. It ensures that server clocks are accurate and consistent, preventing log confusion, certificate expiration, or failures in distributed systems due to time discrepancies. According to the NTP Foundation, over 90% of servers worldwide rely on time synchronization services. … Read more
The client provides you with an intranet clock address, requesting that “the server time must match it exactly!” Don’t panic, this step-by-step tutorial will help you synchronize with the client’s clock with zero error in just 5 minutes. 1. First, clarify: What did the client provide? The address provided by the client, similar to <span>10.x.x.x</span>, … Read more
In-Depth Guide to ESP32 Real-Time Clock (RTC) Applications 1. ESP32 Clock System Architecture ESP32 Time Management Components The time management system of the ESP32 consists of three core components: Main CPU Clock typically operates at 80MHz or 240MHz for processor core calculations. Built-in RTC Module based on a low-power 32.768kHz crystal oscillator, operates independently. Time … Read more
Why Do Devices Need Accurate Time? The importance of time synchronization in the IoT ecosystem is self-evident: • Data Timestamping Guarantee: Sensor data must have accurate timestamps for correct analysis and processing. • Security Authentication Mechanisms: Security mechanisms such as TLS certificate validation and JWT tokens rely on accurate time. • Logging and Debugging: Accurate … Read more
In Linux operations, time synchronization is a crucial yet often overlooked aspect. Accurate time is essential for logging, task scheduling, security auditing, and the proper functioning of distributed systems. This article will detail the concepts, tools, configurations, troubleshooting, and optimization strategies for time synchronization in Linux systems, helping you achieve efficient time management. 1. Overview … Read more
Dear Automation Experts, today we will unveil how to keep your PLC clock accurate, as reliable as a Swiss watch! Are you ready? Let’s embark on this journey of time synchronization. NTP Server Synchronization The Network Time Protocol (NTP) is one of the most commonly used time synchronization methods. Implementation Steps: a) Ensure the PLC … Read more
Welcome to subscribe to my paid column “Zhang Handong’s Rust Channel” on Mowen Dongxi, where I take you deep into understanding everything related to the Rust language, its ecosystem, and applications in the commercial field. This article is an excerpt from it. “ The purpose of this article is not to praise Rust, but to … Read more