PLC

In industrial process control, achieving optimal system performance often depends on the use of advanced control methods. Two widely used techniques are PID (Proportional-Integral-Derivative) control and APC (Advanced Process Control). Each has its unique principles, applications, and advantages, making them suitable for different operational scenarios. This article delves into the details of PID and APC […]

Introduction Water level control is a critical process in industrial applications, particularly in boiler systems, where maintaining an optimal water level is essential for efficiency and safety. Among the various control strategies, Single-Element Control and Three-Element Control are two commonly used techniques. This article provides a detailed comparison of these control methods, their working principles,

1. AI Signal (Analog Input) Definition: AI stands for Analog Input, which refers to continuous signals that represent varying physical quantities in industrial control systems. Characteristics and Sources: Analog signals are continuously varying electrical signals, commonly in the form of current (4-20mA) or voltage (0-10V, 1-5V). These signals originate from various field devices, such as:

Introduction Programmable Logic Controllers (PLCs) are critical in modern industrial automation. They control machinery, processes, and other automated systems. Mastering PLCs requires a combination of theoretical understanding and hands-on experience. This guide provides a detailed roadmap to help you learn, master, and excel in PLC technology. 1. Building a Strong Foundation 1.1 Electrical Engineering Basics

Abstract In the field of industrial automation, Programmable Logic Controllers (PLC), Distributed Control Systems (DCS), and Supervisory Control and Data Acquisition (SCADA) systems are three pivotal technologies. While they share some overlapping functions, their technical characteristics and application scopes differ significantly. This article provides an in-depth comparison of these systems, highlighting their unique features, advantages,

1. Project Overview A Distributed Control System (DCS) is an essential automation control system widely used in process industries for real-time data acquisition, monitoring, and control. This general installation and commissioning plan is designed to ensure the DCS system operates smoothly and reliably after deployment. 2. Preparation for Installation 2.1 Equipment and Material Preparation Verify

In chemical processing, distillation columns such as de-lightening columns are vital for separating light components from products. These columns often feature configurations with total reflux, where top light components exit as non-condensable gases and condensed liquid is fully returned. Examples include stabilizing columns, stripping towers, desorption towers, and de-lightening columns. This article focuses on de-lightening

Introduction Profinet, a leading industrial Ethernet standard, has become an integral part of modern industrial automation. With the increasing demand for flexibility, mobility, and scalability in industrial environments, Profinet Wireless (Profinet over Wireless) has emerged as a crucial technology to address these needs. By leveraging wireless communication technologies such as Wi-Fi, 5G, and Bluetooth, Profinet

In industrial process control and safety systems, proper configuration of alarm and interlock setpoints is crucial for ensuring operational safety, equipment protection, and efficient production. A common design principle is that alarm setpoints should be set lower than interlock setpoints to provide early warning before automatic protective actions occur. However, is it always unreasonable for

In complex and precise industrial system architectures, Safety Integrity (SI) serves as the cornerstone for safeguarding personnel, assets, and the environment. The concept of “failure” within this context is a critical node that demands comprehensive and in-depth understanding. Accurate identification and detailed classification of failures not only facilitate the stable operation of systems but also