SIEMENS 6AV6647-0AA11-3AX0
SIMATIC HMI KTP400 Basic mono PN, Basic Panel, key/touch operation, 4" STN display, 4 gray levels, PROFINET interface, configurable as of WinCC flexible 2008 SP2 Compact/ WinCC Basic V10.5/ STEP 7 Basic V10.5, contains open-source software