Common Valve Abbreviations in US Engineering Drawings
Familiarize yourself with frequently used valve abbreviations in US engineering drawings for engineers and technicians in process industries.
NO vs NC Contact
NO and NC contacts are a part of switches and relays. Some have single NO and NC contact, while some may have multiple contacts.
Incident Investigation: Motor Operated Valve Lesson
The Motor-operated valve (MOV) had a frequent issue of getting jammed. A maintenance job was performed by the Instrument team.
Product Sticker Machine with Weighing PLC Program
Learn how to program a Product Sticker Machine with weighing function using PLC. Perfect for students and novice PLC programmers.
How to Program a Star-Delta System using 1 Button in PLC?
Master PLC programming with this easy-to-follow guide on building a Star-Delta system using a single button.
Motor Control Signal Interface
In this electrical automation tutorials, learn the motor control signals and their interface philosophy in the control systems like PLC, DCS.
Studio 5000 Tutorial: PLC Programming for Digital Alarms
Learn how to develop digital alarms for PLC programming using a functional block diagram in Studio 5000 based on process interlocks.
What is Automatic Circuit Recloser? Principle and Types
An Automatic Circuit Recloser (ACR) is a device that automatically restores power after temporarily cutting it off during a fault.
What is Variable Air Volume Controller in HVAC?
A Variable Air Volume Controller (VAV) in HVAC adjusts the airflow to maintain desired temperature levels in different zones.
Why is HV Testing important in Electrical Panels?
HV testing in electrical panels is important to ensure insulation strength and prevents electrical failures and enhances safety.