Situation:

Computer link touch screen and PLC at the same time, PLC and touch screen by wiring together, computers have gone through MX COMPONENT (c #) control to communication with PLC,

But only through a touch screen computer software GT DESIGNER to touch screen instead of communication/control programming,

Question 1: how to control the touch screen computer? Have a START button for touch screen (for boot device), how to through the computer to press that button?
Question 2: how to directly read data in the mitsubishi touch screen? (alarm data, recipe data)