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OPC Unified Architecture and Message Queuing Telemetry Transport
OPC UA or MQTT, do they work together, or is one better than the other? -
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Leveraging Big Data at Manufacturing Plants in Real Time
Changing the paradigm from inspect and reject to predict and prevent is the focus of big data. -
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How to Prevent Impulse Line Blockages Due to Temperature Variability
Closely monitor the temperature of liquids in impulse lines, and always check the viscosity to ensure it is within acceptable operating limits. -
News
ISA Celebrates 75 Years: A Practical History
In honor of ISA's 75th anniversary, an ISA Fellow comments about the past and future of measurement, communication, standards, automation, and control. -
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How Do You Convert Tuning Settings of an Independent PID?
Considerable confusion exists on how the PID Form affects tuning settings. Lack of understanding of Form & units of settings can lead to disastrous results. -
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Legacy Equipment and IIoT: Can You Teach an Old Dog New Tricks?
How do you upgrade legacy equipment to accommodate digital transformation strategies for Industry 4.0? -
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Concentration Measurements of Bubbles in a Water Column Using an Optical Tomography System
Concentration Measurements of Bubbles in a Water Column Using an Optical Tomography System -
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Automatic Subsea Blowout Preventer Stack Control System Using PLC-based SCADA
An extremely reliable remote control system for subsea blowout preventer stack is developed based on the off-the-shelf triple modular redundancy system. -
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Part 2: Integrating Analyzers with Automation Systems in Life Sciences
Part 2: Integrating Analyzers with Automation Systems in Life Sciences -
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AutoQuiz: How Do Differential Pressure Transmitters Measure Level?
One can measure (infer) a liquid level by measuring a differential pressure (d/p) caused by the weight of the fluid column in a vessel balanced against a reference. -
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Advancing Technology in the New Work Scenario
The speed of technological change today, especially during the COVID-19 pandemic, requires a mental evolution for which not everyone is prepared. -
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AutoQuiz: Characteristics of a Full-Wave Bridge Rectifier Circuit
A bridge rectifier consists of diodes in a bridge circuit configuration. It features the same output polarity for either input polarity, and is used for converting an alternating current (AC) input in -
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How to Capture Business-Critical Performance Information with a Data Historian
Data historians are key to capturing a facility’s business-critical performance information & are a driving force behind the Industrial Internet of Things. -
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Energy in Fluid Mechanics
A common issue in a lot of pipeline work is ensuring the physical line data and operating data are consistent. -
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What Factors Affect Your Salary in the Automation Industry?
What Factors Affect Your Salary in the Automation Industry? -
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ISA-95 and IIoT: Power is Nothing Without Control
Applying the ANSI/ISA-95 standard to IoT, IIoT, and all things internet. -
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AutoQuiz: How Do You Calculate Capacitance?
Capacitance is defined as the ability of a dielectric to store electrical charge. -
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Separating Hype from the True Value of Industrial Big Data Analytics
Perhaps no other new technology comes with more promise to manufacturing executives than big data analytics for manufacturing and the process industries.



















