4–20 mA Process Control Loops
In electrical signalling an analog current loop is used where a device must be monitored or controlled remotely over a pair of conductors. Only one current level can be present
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Feedback Control Principle
Before we begin our discussion on process control, we must define a few key terms. First, we have what is known as the process: the physical system we wish to
DCS Controllers to Output Current Loops
The simplest form of 4-20 mA current loop is the type used to represent the output of a process controller, sending a command signal to a final control element. Here,
What is a Control Loop ?
A control loop is a process management system designed to maintain a process variable at a desired set point. Each step in the loop works in conjunction with the others
Distributed Control System Interview Questions
Instrumentation Tools assists you a complete guide which mainly targets the aspirants of Electrical, Electronics and Instrumentation Streams to crack the interview. Here’s a definitive list of Distributed Control System
Introduction to Industrial Instrumentation
Instrumentation is the science of automated measurement and control. Applications of this science abound in modern research, industry, and everyday living. From automobile engine control systems to home thermostats to