Programmable Logic Controller

Programmable Logic Controller
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Programmable Logic Controller

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Publisher: KHANNA PUBLISHERS
ISBN: 9788174092281
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Preface This is truly the age of automation. In India new industries are coming with automatic systems modern plants. The old industries are going for automation, modernizing their plants and devices. For industrial automation PLC, SCADA, VFD and DCS systems are widely used. PLC is a small sized electronic device used for industrial automation. Day by day the range of PLC applications is becoming wider, starts from tea coffee vending machines to big industry like fertilizer. In India the PLC annual sale is reached to crores of rupees. PLCs are widely used in process industries such as cement, chemical, steel, petroleum, power stations etc. PLC controls Input-Output devices directly. SCADA is a network of PLC. SCADA is a information management system for the plant. It is used small large scale industries for automation. SCADA is widely used in pipeline control, water distribution, water treatment, refinery applications. SCADA is advance technology used for monitoring and control of processes machines. Variable frequency drive VFD is a digital system used for a.c. d.c. motor driving. VFDs are controlled by PLC. They are used in automatic control system. AC DC motor operations smoothly controlled by drive. In India, tremendous job and business opportunities are available in automation area. The PLC, SCADA, VFD training need is increasing at all levels in, it is Industrial Training Institutes, Polytechnics, Engineering Colleges and Industry. In India, the students are getting the job after completing a short duration course may be 80 hours on Automation. This book is written for Students Engineers Technicians just beginning their study of PLC, SCADA, VFD. No previous formal training in this subject is assumed. Highlights of this book The book is divided in 22 chapters and Appendices The material in this book is arranged in logical and sequential order.
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PLC instructions are explained in depth. Many applications of PLC are explained in detail. Whenever necessary the photos of systems devices are incorporated. Many diagrams are provided to illustrate the concepts introduced. Chapter review questions are provided at the end of each chapter.