Petruzella, Frank D.  <br/><br/>
Programmable logic controllers  
/ Frank D. Petruzella. 
 - 3rd ed.. 
 - Boston  McGraw-Hill Higher Education  2005. 
 - ix, 468p.  col., ill.  29cm 
<br/><br/> Includes index p.453 - 468 
<br/><br/><label>ISBN: </label>0078298520  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers
<br/><br/><label>Dewey Class. No.: </label>629.89 PET 2005