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Understanding the Differences Between SCADA and HMI

PLC /

In the realm of industrial automation and control systems, two key components often come into focus: SCADA (Supervisory Control and Data Acquisition) and HMI (Human-Machine Interface). While these systems are interconnected and sometimes overlap in functionality, they serve distinct purposes within industrial operations. Understanding their differences is essential for implementing efficient and effective control systems. […]

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Five Reasons Why a Neutral Wire May Carry Voltage

Instrumentation /

When a neutral wire carries voltage, it poses risks such as electric shock, equipment damage, and other hazards that can disrupt daily life and production. Understanding the causes behind this phenomenon is crucial for identifying and addressing the issue effectively. Let’s explore the five main reasons why a neutral wire might carry voltage. 1. Neutral

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The difference between pressure transmitter and temperature transmitter

Temperature transmitter /

Sometimes, users confuse pressure transmitters and temperature transmitters. Although they look similar, there are still big differences in performance and structure. The following editor will introduce the difference between pressure transmitters and temperature transmitters in detail. 1. Definition – Pressure transmitter: a device used to measure the pressure of liquid, gas or steam and convert

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Precautions for Signal Enforcement and Protection

Instrumentation /

Engagement/Disengagement Signal enforcement and protection engagement/disengagement are critical procedures in industrial systems, automation control, and specialized equipment operations. These processes ensure system stability and operational safety. Any mishandling during these operations can lead to catastrophic failures, operational downtime, or safety hazards. This article outlines the critical considerations and best practices for these procedures in greater

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Liquid Natural Gas (LNG) Storage Tank Level Measurement Systems

Tank /

Liquid Natural Gas (LNG) storage tanks are critical infrastructure in the energy industry, designed to safely store LNG at extremely low temperatures. To ensure the safe and efficient operation of these tanks, accurate and reliable liquid level measurement systems are essential. Proper liquid level monitoring prevents overfilling, detects leaks, and ensures operational efficiency. This article

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Key Considerations in Pipeline Design

Pipeline /

Pipeline design is a critical engineering task that ensures the efficient, safe, reliable, and economical transportation of fluids. It integrates principles from mechanical, hydraulic, and structural engineering, making it a multidisciplinary challenge. Industries such as chemical processing, oil and gas, power generation, and water treatment rely heavily on well-designed pipeline systems to maximize production efficiency,

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Analysis on the application of radar current meter in hydropower station

Current meter /

In the operation of hydropower stations, accurate measurement of water flow velocity is crucial. It is not only related to the optimization of power generation efficiency, but also involves dam safety and rational use of water resources.  As a modern velocity measurement device, radar current meter has been widely used in hydropower stations due to

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The Essentials of Emergency Stop Systems: Lifesaving Knowledge for Critical Moments

PLC /

Introduction An Emergency Stop (E-Stop) is a critical safety mechanism in programmable logic controller (PLC) systems. It halts ongoing actions by disconnecting the control circuit via relays or contactors. E-Stops are indispensable in industrial automation, ensuring equipment and personnel safety during emergencies. This article explores the concept, application, and best practices of using E-Stops in

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Material Selection for Instruments: Corrosion Resistance of Common Materials

Instrumentation /

1. Metallic Materials Stainless Steel Common types include 304 and 316 stainless steel. 304 Stainless Steel: Offers excellent corrosion resistance in atmospheric conditions, water, and weak acids or alkalis. However, it is vulnerable to concentrated acids, alkalis, and strong oxidizing agents. 316 Stainless Steel: Enhanced with molybdenum, it provides superior corrosion resistance, particularly against chloride

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Factors Influencing the Corrosion Resistance of Instruments

Instrumentation /

Corrosion resistance is a critical property for instruments used in various industrial and environmental conditions. The ability of materials and designs to withstand corrosive environments directly impacts the longevity and reliability of instruments. This article provides a comprehensive analysis of the factors affecting the corrosion resistance of instruments, categorized into material factors, environmental factors, and

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