9 control systems for extruder equipment consisting of monochrome CRT screens, color screens, keypad interfacing, touch screen interfacing, light beams, joy sticks, thumb wheel interfacing, PLC systems for logic coordination and control, computers for data acquistion, reporting historical trending and related data manipuation, software and related graphs for physical process and machine depiction, cable and communication interface hardware, and componentry for temperature, speed, speed coordination, pressure monitoring and alarm, start up sequencing, shutdown, and safety interlocking feedback