As Text Displays for simple message display or as Operator Panels for operator control and monitoring with membrane keyboard the SIEMENS TPs are the best Touch Panels in their class..
With pixel-graphics display for realistic representation of sequences (also in color), either as Touch Panels (TPs) with touch-sensitive display, Operator Panels (OPs) with membrane keyboard or as combined Touch/Key on the OP 177B the Siemen's Touch Panels will fulfill every desire you might possibly need according to your own specifications.
SIEMENS MPs - Siemens Simatic Multi Panels
Siemens MPs (Multi Panels) are like Panels for operator control and monitoring. Multi Panels are available with touchscreens or membrane keyboards. In addition, the Siemens Multi Panels (MPs) permit installation of additional applications and thus allow integration of several automation tasks on a single platform with the PLC WinAC MP software.