Control Valve Sizing
Control valve over-sizing is a common problem in the industry, often created by future planning for expanded process flow. “If we buy a large valve now,” so the reasoning goes, “we won’t have to …
Split-Range Control | Basic Principles of Control Valves and …
There are many process control applications in the industry where it is desirable to have multiple control valves respond to the output of a common controller. Control valves configured to …
Cascade Control | Basic Process Control Strategies and Control …
Thus, a cascade control system consists of two feedback control loops, one nested inside the other: A very common example of cascade control is a valve positioner, which receives a …
DCS vs. SCADA: What’s the Difference? - Technical Articles
3 Aib 2024 · Controlling and optimizing plant processes is the goal of most control systems. It can be a challenge to distinguish between different types of control: a DCS or a high-level …
Industrial Control Panel Design Standards and Best Practices
27 MFómh 2022 · Industrial control panels are at the heart of control systems. Learn about the standards and regulations that dictate industrial control panel design for safety and efficiency, …
Contactors versus Relays - Differences and Applications
13 Beal 2022 · Although the are similarities in operating theory, relays and contactors are used in industrial circuits for different specific applications, and should not be used interchangeably.
Understanding the Basics of Pulse Width Modulation (PWM)
23 Márta 2022 · Power delivered to devices can be changed by raising or lowering the voltage and current. But this method does not always produce intended results. Pulse width modulation (or …
Understanding NPN vs. PNP for 3-Wire Sensors - Control.com
15 DFómh 2022 · Every control system needs some sort of connection to the environment and conditions in the physical process around it. These devices are most commonly called ‘I/O’ …
Relay Circuits and Ladder Diagrams - Control.com
The beauty of ladder-logic programming is that it translates the technician’s understanding of traditional relay control circuits into a virtual form where contacts and coils interact to perform …
Automation & Control Engineering Technical Articles
Read the latest technical educational articles covering industrial and control automation products and industries