1. Electro-Pneumatic Pinball ELM 4702 ELM Project SPRING 2003

2. Will Fisher Problem Develop an academic trainer for programming electro-pneumatic control systems : Develop an academic trainer for programming electro-pneumatic control systems : –Capable of interfacing with a microcontroller trainer or a PLC. –Provide an interactive demonstration for functions. –Raise the students' interest in the course. –Provide control labs that build from push button interface to closed loop position control.

3. Will Fisher Solution A shot on goal Style pinball machine. –Boxed in playing field. –Pneumatic actuators. –Universal PLC, micro controller communication bus. –Goalie blocking through ball detection.

4. Will Fisher System Overview PC Solenoids Sensors Air PLC68HC11 Signal Converter Electro-pneumatic Pinball 908QT Valves

5. Will Fisher Electrical Overview Power Converter 24 12 5 PC Solenoids Sensors PLC68HC11 Signal Converter 908QT 120

6. Will Fisher Power Overview Power Converter 24 12 5 PC Solenoids Sensors PLC68HC11 Signal Converter 908QT 120 VAC

7. Will Fisher Signal Overview Power Supply DC 24 12 5 PC Solenoids Sensors PLC68HC11 Signal Converter 908QT 120 VAC

8. Will Fisher Signal Converter Overview Signal Converter 24V DC Power 5V Signals 24V Signals

9. Will Fisher Signal Converter Schematic

10. Will Fisher Signal Converter Detail

11. Will Fisher Schedule