Stenerson, Jon <br/><br/>
Fundamentals Of Programmable Logic Controllers, Sensors, And Communications 
Jon Stenerson 
 - 3rd.ed. 
 - Upper Saddle River, New Jersey  Pearson/ Prentice Hall  2004 
 - xvii, 654p.  ill.  23cm.  +cd rom 
<br/><br/> includes index : p. 651 - 654 
<br/><br/><label>ISBN: </label>013061890x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers<br/>Telecommunication systems