instrumentation and control

What is Fieldbus in Industrial Communication Networks?

Fieldbus can be defined as a digital, serial, multidrop, data bus for communication with industrial control and instrumentation devices such…

5 years ago

The Conditioning of Thermocouple Sensor Voltages

Consider the circuit below: Figure 1(a) thermocouple signal amplifying circuit From the figure above, the sensing junction and reference junction…

5 years ago

Features of HART Communication Protocol

HART is an acronym for (High Addressable Remote Transducer). HART is implemented in two ways in industrial instrumentation networks: Point…

5 years ago

How to Connect a DP (Differential Pressure) Flow Sensor to a DP Transmitter

The DP Transmitter should be mounted with a manifold block as illustrated in the figure 1(a) below to allow for…

5 years ago

Instrumentation Sensors and Transducers – Multiple Choice Questions & Answers (MCQ4)

The Answers have been provided at the end of the Questions: Q1. Which of the following sensors is used to…

5 years ago

How Signal Processing Circuits are protected from high currents & voltages

Protection against high currents and voltages is a very important requirement for signal processing circuits. A high current can be…

5 years ago

How to Tune the PID Controller

Before we discuss how to tune the PID controller, let’s look at some basic facts about PID Controller. Basic Facts…

5 years ago

Methods of Protecting Instruments from Explosive Atmospheres

The protection method used in a specific hazardous location depends on the application, the technology available and the specific explosive…

5 years ago

Functional Safety in Instrumentation Systems (SIS, SIF & SIL)

Functional safety is the risk reduction provided by the functions implemented to ensure the safe operations of the process. The…

5 years ago

4-20 mA Transmitters (2-wire, 3-wire and 4-wire Types)

Background of 4-20 mA Signal Transmission Initially signal transmission was dominated by pneumatics before the advent of 4-20 mA signal…

5 years ago