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Characteristics of Chipless Tapping and Its Application in Vibrating Level Instruments

Level meter /

Abstract Chipless tapping, also known as extrusion tapping or roll tapping, is an internal threading process based on the principle of metal plastic deformation. This article provides a detailed explanation of the definition, advantages, and application scenarios of chipless tapping, particularly in vibrating level instruments. 1. Definition of Chipless Tapping Chipless tapping, also referred to […]

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How to Operate Analog Output in PLC: Three Common Methods Explained

PLC /

Introduction Analog output is widely used in industrial automation for controlling devices such as valves, variable frequency drives (VFDs), and actuators. In a Programmable Logic Controller (PLC), analog output represents a continuously variable signal (such as 4–20mA or 0–10V) rather than discrete ON/OFF switching. This article introduces three common methods for implementing analog output using

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Common Faults and Solutions for Electromagnetic Flowmeters

Flow meter /

Electromagnetic flowmeters are widely used in various industries for accurate flow measurement. However, they may encounter operational issues that can be broadly categorized into two types: (1) faults originating from the instrument itself, such as structural or component failures; and (2) faults caused by external factors, such as improper installation, flow changes, sedimentation, and scaling.

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A Comprehensive Guide to Safety Barriers (Intrinsically Safe Barriers) Introduction

PLC /

In industries like oil and gas, chemical processing, and pharmaceuticals, where hazardous environments with the risk of explosions are common, protecting electrical equipment from igniting such dangers is crucial. Safety barriers, also known as intrinsically safe (IS) barriers, play a key role in preventing sparks or excessive heat that could trigger explosions. These barriers work

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Causes and Preventive Measures for Instrumentation Cable Tray Cover Falling Off

Instrumentation /

In industrial environments, the integrity of instrumentation cable trays is essential for ensuring the safety and stability of control systems. A common but often overlooked safety hazard is the falling off of cable tray covers. This issue can lead to potential injury, equipment damage, or service disruptions. This article analyzes the main causes of cable

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Comprehensive Overview of the TCP/IP Protocol Stack

PLC /

The TCP/IP protocol suite (Transmission Control Protocol/Internet Protocol) is the foundational communication protocol for the modern Internet. It adopts a layered architecture to facilitate interoperability, scalability, and modular design. From bottom to top, the main layers are: Network Interface Layer, Internet Layer, Transport Layer, and Application Layer. This article offers a detailed explanation of each

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Do Five-Bolt Flanges Require Electrical Bonding? A Detailed Analysis

Flange /

Introduction In industrial piping systems, ensuring electrical continuity and safety is critical—especially in environments where flammable or explosive media are present. One frequently asked question is whether flanges connected by five bolts (or any bolted flange connection) still require bonding straps or jumpers. This article explores the technical rationale and applicable standards behind bonding requirements

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Low-Voltage Electrical Design: Comprehensive Knowledge on Push Buttons

Instrumentation /

1. Overview of Push Buttons A push button is a type of manual control switch that is actuated by applying pressure using a part of the human body—typically the finger or palm. Equipped with a built-in spring mechanism for resetting, it is one of the most commonly used control devices in industrial and electrical systems.

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