Operation of PLC  Following are the major stages of normal operation of PLC    Read inputs - The input memory is updated with the status o...

 The error is mainly due to noise in input or output levels. It changes the performance of internal and external parameters. The transduce...

  In the recorder, one physical quantity is used as a function of another physical quantity.  It is similar to a strip chart recorder, but i...

  Thermocouples are temperature sensors that work based on the principle of the Seebeck effect. They consist of two different metal wires jo...

  In C language, some statements are used in which a conditional expression is not used, yet the control of the program goes from one part t...