Siemens 6AV6640-0CA11-0AX1 is the SIMATIC TP177micro 5.7" operator panel for the S7-200 PLC family. It uses a blue-mode STN display with 320 × 240 pixel resolution on a 5.7-inch diagonal and four blue levels, and it provides a touchscreen input surface with no programmable function keys. Configuration is from WinCC Flexible 2004 Micro HSP, and the package includes open-source software delivered on a CD. Listed as a spare-part TP177micro, it also carries a backlight MTBF of about 50,000 hours at 25 °C, suitable for compact HMI tasks where space is at a premium.
