With the 12.1 and 15-inch TPC-1251T/1551T touch panel PCs from AMC, two thin client panels are available for machine and system automation. Equipped with a TrueFlat display, the fanless devices offer a display that is easy to read in sunlight, a working temperature range of -20 to +60 °C and IP66 protection on the front. They are equipped with an Intel Atom E3827 1.75 GHz processor, support 'iDoor' technology and have I/O ports such as RS 232, RS 232/422/485, 2× GB Ethernet, USB 3.0 and CFast memory slot as standard. If additional I/O ports and memory are required, the Panel PCs can be upgraded with an expansion kit that provides additional space for hard disk or solid-state disk storage and iDoor modules.