Filer, Robert Programmable controllers using Allen-Bradley SLC 500 and Control Logix / Robert Filer, George Leinonen. - Upper Saddle River, N. J. : Prentice Hall, c2002. - xv, 320p. : ill. ; 24 cm. Glossary : p. 307 - 314. Includes index. ISBN: 013025603X Subjects--Topical Terms: Programmable controllers.Logic design.