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ISA provides technical resources and standards to help industrial automation professionals advance their careers and the field. We enable automation professionals worldwide to solve problems and enhance their skills by bringing people together to create new technologies and share best practices with future automation professionals.-
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Author Profile
Joel Don
344 Results Found
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FeatureAutoQuiz: How to Install Thermocouple Extension Wires
Proper installation of thermocouple extension wires requires special terminal blocks to prevent additional junctions from being formed. -
FeatureAutoQuiz: How Are Errors Corrected in Industrial Network Data Communications?
Cyclic redundancy checking is a method of checking for errors in data that has been transmitted on a communications link. -
FeatureLessons Learned From a Forensic Analysis of the Ukrainian Power Grid Cyberattack
The Ukrainian power grid cyberattack was triggered when an employee opened an Excel spreadsheet attachment of an email. -
FeatureAutoQuiz: How to Calibrate a High-Range Electronic Pressure Transmitter
A dead-weight tester apparatus uses known traceable weights to apply pressure to a fluid for checking the accuracy of readings from a pressure gauge or pressure transmitter. -
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AutoQuiz: What Is Receipt Verification in Industrial Processes?
Receipt verification is an industrial systematic process by which a site verifies that what was specified and ordered is actually what is received. -
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AutoQuiz: What Industrial Troubleshooting Technique Can Help Replace a Bad Component?
The substitution method may reveal the component that is the cause of the problem. -
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AutoQuiz: What is a Database Record?
A database record is a single row of information in a table. -
FeatureAutoQuiz: Characteristics of an Industrial Controller
For a direct-acting controller, the resulting output movement is in the same direction as the movement of the process variable. -
FeatureAutoQuiz: When Does Cavitation Occur in Liquid Flow?
In cavitation, when the liquid drops below the vapor pressure around the vena cava, the liquid vaporizes. -
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AutoQuiz: What Happens When a Reset Action Is Added to an Industrial Controller Tuned for a Fast Control Loop?
Both gain and reset (integral action) act upon the error in the same direction, per a simplified proportional, integral, derivative (PID) control algorithm. -
FeatureAutoQuiz: What is the Risk in Using Standard ROI Ratios to Invest in an Automation System?
ROI equations do not account for lost opportunity to collect investment interest on money diverted to fund an automation project or the time value of money. -
FeatureAutoQuiz: How to Calculate Steady State Gain for a Standard Pneumatic Instrument Loop
Gain is defined in industrial control theory as the change in input divided by the change in output. -
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AutoQuiz: What Are Common Terms Used to Quantify Dangerous Industrial Failures?
Spurious trips and nuisance trips are indicative of “safe” failure modes, not “dangerous” failures. -
NewsBook Excerpt + Q&A: Situation Management for Process Control
Situation management is the competency, ability, and willingness of the human operator to properly and successfully manage the enterprise or activity under his or her charge. -
FeatureAutoQuiz: How to Measure the Resistance in a Circuit
Resistance is an electrical quantity that measures how a device or material reduces the electric current flow through it. -
FeatureAutoQuiz: How to Calculate Uptime for an Automation System
The most important measure for production equipment support is operational availability, or “uptime.” -
FeatureAutoQuiz: How to Troubleshoot a System Failure Due to a Bad Component
Troubleshooting is often an iterative process. If the proposed solution is not the correct one, further analysis and data collection are warranted. -
FeatureAutoQuiz: What Is the Purpose of a Markov Model Computation?
Systems that exhibit a Markov property are ones in which the future does not depend on the past. -
NewsBook Excerpt + Q&A: Security PHA Review for Consequence-Based Cybersecurity
In process industries, mechanical safeguards have been replaced with digital devices. Problem: They have created gr3eater risk from cyberattack. -
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AutoQuiz: Characteristics of a Loop Diagram
Instrument loop diagrams are very detailed depictions of an industrial control or process
