The book uses training equipment of antomatic production line as implementation carrier, through the integrated application of S7 200PLC, Siemens MM420 inverter, stepping motor and its drive technology, pneumatic application technology, sensor technology,etc., developing the automatic detection technology, pneumatic technology, programmable controller programming, network formation, electrical control, inverter use and set the motor drive and position control, mechanical installation and commissioning, maintenance and repair, touch-screen configuration technology application capabilities of students.