Looking at the photo of the back of the panel, there doesn't look to be any sort of logic there (not surprising) so all the comments about hooking it up to some sort of emulator are somewhat moot.
The MPC240 24-inch medical grade panel computer uses an Intel 4 th generation Core i7/i5/i3/Pentium CPU (Socket G3) and has a 10-point capacitive touchscreen. Its front panel has a spill-proof design ...
The AR-P190FLDC-D52 panel PC features a 19” touch screen, IP65 front panel rating, and fan-less operation. It uses an Atom D525 dual core CPU with 2 Gbytes of DDR3 memory and a 320 Gbyte 2.5 inch HDD.