—a gray, unassuming box that promised to replace miles of copper wiring with a few lines of code.
The book touches upon the interface between the operator and the machine, discussing how graphical panels allow operators to monitor system status and input commands. —a gray, unassuming box that promised to replace
John W. Webb (with Ronald A. Reis in later editions) Publisher: Pearson / Prentice Hall Subject: Industrial Automation, Control Systems, and PLC Programming and PLC Programming