Fundamentals of Electrical Control (2nd Edition)

Familiarizes electricians with relay ladder logic, and then transitions to programmable logic controllers for similar installations. A new chapter covers heat and enclosures including information on the creation of heat in electronic devices and how it can be dissipated. Distributed by Prentice Hall. Annotation c. Book News, Inc., Portland, OR (booknews.com)

Use this practical "on-the-job" manual to guide you through the most difficult electrical control challenges.

From the logic of design to startup, operation and maintenance, this reference covers all aspects of wiring, relay logic, programmable logic controllers, and a host of electrical control applications and challenges you'll encounter on the job. Beginning with the basic principles of electrical logic, the author guides you through each step of the design of a sequencing logic system, including developing the schematic diagram, making a bill of materials, and designing component wiring diagrams. You'll learn the fundamentals of programmable logic controllers (PLCs), including numbering systems, basic memory structure, system addressing, and the common instruction set. A new chapter on heat and enclosures includes information on the creation of heat in electronic devices, and how it can be dissipated. The presentation takes you step by step through solving problems that require bailing circuits, sorting systems, and counting with relays, including encoding and decoding. The contrast between digital and analog control systems is also fully examined. Case histories are included.