The Programmable Logic Controller, PLC is basically a programmed interface in between the field input elements and the final control element. Advantages of PLC Reduced space : PLCs are completely solid state devices and hence are extremely compact in comparison to hard-wired controller where electro-mechanical...

A Programmable Logic Controller can be defined in many ways. It can be defined as a program controlled electronic equipment with a reprogrammable memory for storing a set of commands which is used for executing exact tasks like logical, arithmetic, timer, counter, and  furthermore controlling different...

Classification of instruments can be carried out in two categories: Absolute Instrument These instruments give the magnitude of the quantity under measurements in terms of physical constants of the instrument. The quantity to be measured will be given in terms of deflection and the...

Measuring instruments may be defined as device for determining the value or magnitude of quantity or variable.To know about 'Measuring instruments' in detail, visit https://electricalfundablog.com/blog/measuring-instrument/665/. Here in this post, we will learn about the methods of measurement. The methods of measurement may be broadly classified...

Null Modem Cable. A null modem cable is a form of RS-232 standard where the transmit and receive lines are cross linked. Normally a straight through serial cable is used with this kind of adapter. The adapter is pre configured with the necessary cross links....

An Interface is a common shared medium across which two different components of a computer system can exchange data or information. There are basically two types of interface: Hardware Interface Software Interface Majority of equipments which do processing of data contains a relatively restricted capability in terms of...