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1,223 Results Found
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What Is the Value of Standards-Based Cybersecurity Conformity Assessments for Industrial Automation and Control Systems?
The industrial automation and control system (IACS) community must recognize the value of the ISA/IEC 62443 IACS family of cybersecurity standards. -
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 -
![Self-Powered Wireless High Temperature Electrochemical Sensors [Technical]](/documents/d/acom/self-powered-wireless-high-temperature-electrochemical-sensors.jpg)
Self-Powered Wireless High Temperature Electrochemical Sensors [Technical]
Reliable wireless high temperature electrochemical sensor technology is needed to provide in situ corrosion information for optimal predictive maintenance to ensure a high level of operational effecti -
IO-Link Connects Intelligent Sensors and Actuators in the Process Industries
IO-Link is being used in a wide range of applications as an open standard for smart sensor I/O, primarily for discrete devices. IO-Link is a point-to-point network communications standard and protocol -
AutoQuiz: What Is the Cause of Cavitation in a Liquid Flow Stream?
When fluid drops below a liquid's vapor pressure, a gas is formed. As fluid moves downstream to where the fluid pressure is greater than the vapor pressure, it "collapses" back into a liquid. -
Webinar Recording: How to Avoid the Most Common Mistakes in Field Calibration
Instrument calibration in the process industries requires the proper process, tools and parameters for each instrument application to ensure valid results. If one of the three are lacking, your result -
What Are the Obstacles to Commercial, Off-The-Shelf Systems for the Process Industries?
Industry sectors with critical real-time control requirements are constantly integrating commercial off-the-shelf technologies into their automation systems. Industrial automation end users are demand -
AutoQuiz: How to Read a Gauge Pressure Transmitter
At zero gauge pressure in the steam line, you are essentially suppressing (pushing) the transmitter output back down to zero after the system reaches equilibrium. The transmitter will read that impuls -
Can Risk Analysis Really Be Reduced to a Simple Procedure?
Geographically diverse systems using integrated technology are inherently complex. A structured way of analyzing them can be very helpful. -
How to Permanently Reduce Operating Costs in Your Maintenance Department
Most managers in the process industries still look at maintenance only as a cost center, reducing operational costs in the maintenance department is often the first thing on their list. That puts a lo -
AutoQuiz: Failures of Complex Systems in SIS Design and SIL Selection
A fault tree analysis begins with the "top event," which is the result of a number of basic events that contribute to, or initiate, the system failure. -
ISA Executive Board Approves New Vision and Mission Statements
ISA’s new vision is to create a better world through automation. The organization's new mission statement is to advance technical competence by connecting the automation community to achieve operation -
![Using OPC Technology to Support the Study of Advanced Process Control [Technical]](/documents/d/acom/using-opc-technology-support-study-advanced-process-control.jpg)
Using OPC Technology to Support the Study of Advanced Process Control [Technical]
A nonlinear boiler model is simulated as OPC server and OPC client is used for closed loop model identification, and to design a model predictive controller (MPC). The MPC is able to control the NOx e -
AutoQuiz: Loop Tuning Terminology for Change in Amplitude
The common method of judging tuning is known as the "quarter wave decay" method. It has been shown if a loop is tuned so the oscillation decays with each wave being one quarter of the previous wave, i -
Top 5 Upfront Project Considerations for Effective Risk Management
Done properly, risk management allows project goals to be met and supports success. Consideration for project risk means that both parties, dthe client and the integrator, will look back on the projec -
How Much Risk Can Safety Alarms Reduce?
When implementing ANSI/ISA-18.2, Management of Alarm Systems for the Process Industries, engineers should consider all alarms, including basic process control, safety instrumented systems, fire and ga -
AutoQuiz: Industrial Applications for Nonincendive-Rated Field Wiring
Nonincendive is allowed in Class 1, Division 2; Class 1, Zone 2, and Non-hazardous rated areas. Use in higher hazard areas, such as Division 1, Zone 1, or Zone 0 areas, is not allowed. -
![How to Detect Defects in Rolling Element Bearings Used in Manufacturing Processes [Technical]](/documents/d/acom/how-to-detect-defects-in-rolling-element-bearings-used-in-manufacturing-processes.jpg)
How to Detect Defects in Rolling Element Bearings Used in Manufacturing Processes [Technical]
Rolling element bearings are common components in rotating machinery. Defects in bearings during manufacturing can cause vibration, noise, and even system failure. Defects in bearings must be found at -
Webinar Recording: Temperature Measurement and Control
Temperature is the most important common measurement that is critical for process efficiency and capacity. -
AutoQuiz: Standard Wiring Color for Type K Thermocouple
Type K (chromel–alumel) is the most common general purpose thermocouple with a sensitivity of approximately 41 µV/°C.
![Self-Powered Wireless High Temperature Electrochemical Sensors [Technical]](/o/adaptive-media/image/7928932/small-576/Self-Powered-Wireless-High-Temperature-Electrochemical-Sensors.jpg?t=1772474634271)
![Using OPC Technology to Support the Study of Advanced Process Control [Technical]](/o/adaptive-media/image/7874415/small-576/Using-OPC-Technology-Support-Study-Advanced-Process-Control.jpg?t=1772461365493)
![How to Detect Defects in Rolling Element Bearings Used in Manufacturing Processes [Technical]](/o/adaptive-media/image/7901135/small-576/How-to-Detect-Defects-in-Rolling-Element-Bearings-Used-in-Manufacturing-Processes.jpg?t=1772465430828)
