Control Systems:
AC Input : The, ac input modules that are commonly available work with 24, 48, 110 and 220 V. It …
Basis of PLC Programming : 1.Processor Memory Organisation:The term processor memory organization refers to how certain areas of memory in …
Cascade Control : Cascade Control with Digital Controllers: A simplified system to control the temperature of a process employing a gas burner …
Choice of Electronic Signal Transmission : The range of air pressure used for Signal Transmission in pneumatic system is limited …
DC Inputs : The, dc inputs modules commonly available will work with 5, 12, 24 and 48 volts. The DC Inputs …
DCS System : A DCS System is preferred over a central computer system for the following reasons. Central Computer System (CCS) …
Digital Process Control : A digital process Control Systems functionally needs to operate in much the same way as a conventional …
Direct Digital Control : Developments in digital electronics have led to many industrial processes being computer controlled. The first system …
Distributed Control System : Distributed Control System – Since the beginning of process control in late 1970s, it has made …
Master Control : Master control can be considered the emergency stop switches. An emergency stop switch typically is a big …
Microprocessor Based DCS : Microprocessor Based DCS – Modern plants nowadays are very complex, large scale systems with a very …
PLC Applications : The PLC Applications takes a certain amount of time to react to changes. The total response time of …
PLC Basic Process : A PLC Basic Process is basically made up of the following sections, each of which has …
PLC Components : A PLC is a solid state device designed to perform logic functions previously accomplished by electro-magnetic relays. …
PLC Definition : (Programmable Logic Controller or Programmable Controller): PLC Definition – Programmable Logic Controller (PLC) or commonly simply called a …
PLC Hardware : PLC hardware falls into the following physical configuration: 1. Fixed Input/ Output (I/O) and 2. Modular I/O. 1.Fixed 1/0 PLCs A …
PLC Hardware Components : PLC Hardware Components – The input and output interface modules consists of an I/0 rack and …
PLC Operation : To understand the PLC Operation, consider the simple process shown in Fig. 21.63 In this process a …
PLC Programming Languages : The term PLC programming languages refers to the method by which the user communicates information to …
PLC Register : Let us consider a simple example and compare the ladder diagram with its real …
PLC Structure : The PLC Structure mainly consists of a CPU, memory areas, and appropriate circuits to receive input/output data …
PLC System Operation : A PLC System Operation works by continually scanning a program. This scan cycle can be considered …
Relays Definition : The main purpose of a PLC is to replace real world relays. A Relays Definition is basically an …
Symbol Counter : Symbol Counter – A counter is a simple device used for counting. There are different types of …
TDC 3000 Architecture : 1. Hiway Based Distributed Control: The building block concept of TDC 3000 Architecture Control Systems design, with distributed …
Temperature Controls : Temperature Controls using an Analog Electronic Controller: A Temperature Control Systems scheme using an Analog Electronic Controller of Fig. 21.14 is as …
Timer : Timer is an instruction that waits a set amount of time before doing something. The different kinds of …