Siemens 6AV6640-0CA11-0AX1 HMI Touch Panel TP177

The Siemens 6AV6640-0CA11-0AX1 TP177 HMI touch panel is a 5.7-inch TFT operator interface designed for SIMATIC S7 PLC-based control systems. It delivers real-time monitoring and operator input through a 320 × 240-pixel display in 256 colors and a touchscreen interface, and it communicates via MPI/PROFIBUS DP for integration with industrial networks. Powered by 24 V DC, it includes about 4 MB of user memory and runs WinCC Flexible for visualization, alarms, and process monitoring in machine control panels, packaging equipment, and automation lines. The TP177 mounts in a panel as a panel-mount device and features front IP65 protection (rear IP20), with an operating temperature range of 0°C to 50°C and a weight of roughly 0.7 kg. This product is discontinued / legacy, and common replacements include Siemens 6AV2123-2DB03-0AX0, 6AV2123-2GB03-0AX0, and 6AV2124-0GC01-0AX0.