List of Regulatory Standards and Websites for IVD (In Vitro Diagnostic Reagents/Devices) and MD (Medical Devices) in China, Europe, and the USA

Core Principles: Official Priority: The official websites of the regulatory authorities for drugs and medical devices in various countries/regions (NMPA, EC/EU, FDA) are the most authoritative sources for obtaining original regulations, guidelines, databases, and the latest updates. Standards Organizations: International standards organizations (ISO, IEC) and national standard organizations (such as SAC in China, ANSI in … Read more

How to Write Instrument Parameter Configuration in In Vitro Diagnostic Reagent Instructions?

In the field of in vitro diagnostics, the reagent instructions serve as a “guideline for action” that directs users on proper operation to ensure accurate and reliable test results. Among these, the description of instrument parameter configuration is a critical aspect. Today, we will delve into how to describe instrument parameter configuration in the instructions … Read more

Surge in Smart Speaker Orders Leads to Over 30% Supply Gap for MEMS Microphone Chip Manufacturers

Smart voice assistants have become extremely popular, with major international companies such as Amazon, Google, Apple, and Alibaba launching their own smart voice assistant products. Additionally, Facebook, Tencent, and Xiaomi are expected to gradually join the competition, continuously driving up global demand for smart voice assistant products. The industry estimates that demand will reach 15 … Read more

Resilient Design of S7-1200 Industrial Control Systems: Multi-Level Defense and Self-Recovery Mechanisms from Fail-Safe to Fault Tolerance

Industrial control systems are like a ship sailing in a storm; they must not only navigate normally but also remain “afloat” in the face of various unexpected events. Resilient design equips the S7-1200 with a “life jacket”, “autopilot”, and “emergency generator”, allowing the system to not only “fail safely” in the event of a fault … Read more

Research-Based Learning Promotes Growth, Practical Experience Leads to True Knowledge

Research-based learning is a compulsory course for all ordinary high school students, which is of great significance for cultivating students’ innovative spirit and practical abilities, broadening their knowledge horizons, improving their overall quality, and adapting to the future social development needs. The research-based learning course for the 2023 cohort of students at our school officially … Read more

Essential PLC Maintenance Knowledge for Equipment Managers to Reduce Downtime!

Essential PLC Maintenance Knowledge for Equipment Managers to Reduce Downtime! I remember when I first started in the industry, a packaging line at a food factory suddenly went down, and the production supervisor was as anxious as a cat on a hot tin roof. When I arrived on site, I saw several alarm lights flashing … Read more

Architectural Design: How to Plan Siemens PLC Program Structure? A Three-Tier Architecture for Clear and Maintainable Code!

Architectural Design: How to Plan Siemens PLC Program Structure? A Three-Tier Architecture for Clear and Maintainable Code! Hello everyone! In my years of experience in automation projects, I have found that many engineers write PLC programs like a “running account”—writing a segment for each requirement and adding a block for each new device. As a … Read more

A Step-by-Step Guide to Implementing Motor Sequential Start/Stop Circuits in PLCs: A Must-Read for Beginners

Today, we will discuss the story of converting a motor sequential start/stop circuit into a PLC ladder diagram, suitable for those who want to get started with PLCs. The requirement is that you must first be able to understand the circuit diagram, and then we will proceed. Here is the sequential start/stop circuit diagram: Traditional … Read more

Understanding PLC Logic Operations from 0 to 1: A Single Trick to Enhance Your Program Logic Tenfold!

[Core Knowledge] Understanding PLC Logic Operations from 0 to 1: A Single Trick to Enhance Your Program Logic Tenfold! Do you remember the first time I faced that “mysterious” control cabinet on the factory production line? That was 15 years ago, right after I graduated from school, staring at the complex wiring and that little … Read more

PLC Programming in the Automotive Industry: The Quality Management System Behind the Prohibition of M/T

PLC Programming in the Automotive Industry: The Quality Management System Behind the Prohibition of M/T The automation systems on automotive manufacturing production lines have extremely high reliability requirements; a small programming error can lead to the entire production line shutting down, resulting in significant economic losses. A common guideline in automotive industry PLC programming standards … Read more