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What are the four basic parts of a SCADA system. How can you classify the Programmable logic controllers? Why solenoid is used in almost all industrial applications?

Understanding Motor Controls

4th Edition

ISBN:9781337798686

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter38: Programmable Logic Controllers

Section: Chapter Questions

Problem 1RQ: What industry first started using programmable logic controllers?

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