Product Overview
When maintaining legacy HMI systems, the Siemens 6AV6643-0BA01-1AX0 SIMATIC OP 277 6" Operator Panel remains a critical component for many production lines. This Industrial Automation Module offers a 5.7-inch TFT display with 256 colors and a resolution of 320 x 240 pixels, providing clear visual feedback for machine operators. The Siemens 6AV6643-0BA01-1AX0 is equipped with a membrane keyboard featuring 24 function keys (18 with LEDs) and supports configuration via WinCC flexible Standard 2005 SP1 or higher. Note that as of January 1, 2015, this model is blocked for delivery and no longer available as a new part; it is suitable as a spare for existing installations or as a reference for upgrading to a newer platform (see SIMATIC Update ID 62977695).
Technical Specifications
Below are the key technical parameters for the Siemens 6AV6643-0BA01-1AX0. All values are taken directly from the product database.
| Parameter |
Value |
| Display Technology |
TFT |
| Screen Diagonal |
5.7 in |
| Colors |
256 |
| Resolution (H x V) |
320 x 240 pixels |
| Control Elements |
Membrane Keyboard |
| User Data Memory |
4 Mbyte |
| Max Main Memory |
64 Mbyte |
| Card Slot |
1x Multimedia Card, up to 128 MB |
| Front Dimensions (WxH) |
308 mm x 204 mm |
| Mounting Cutout (WxH) |
281 mm x 177 mm |
| Depth |
59 mm |
| Weight |
1.19 kg |
| Supply Voltage |
DC |
| Front Protection |
IP65 |
| Rear Protection |
IP20 |
| Certifications |
CE, UL |
| Operating Temperature |
0 °C to 50 °C |
Installation & Mounting Guidance
The Siemens 6AV6643-0BA01-1AX0 is designed for vertical mounting. The mounting cutout measures 281 mm by 177 mm. Ensure the panel opening is clean and free of debris before installation. Secure the unit using the provided clamps or screws (not included). The overall depth of 59 mm allows for sufficient clearance behind the panel. Connect the DC supply voltage to the correct terminals; the unit requires a regulated power source. For optimal readability, position the operator panel at eye level and avoid direct sunlight on the display.
Compatibility & Integration
This Siemens 6AV6643-0BA01-1AX0 operator panel supports multiple industrial communication protocols. It includes one RS422, one RS485, and one Ethernet (RJ45) interface. The unit is compatible with PROFIBUS and PROFINET IO, and supports MODBUS over TCP/IP. It can connect to SIMATIC S7 controllers and other PLCs via these protocols. The panel is configured using WinCC flexible Standard, Comfort, or Advanced (TIA Portal) software. For new projects, consider upgrading to a current-generation HMI to ensure long-term support.
Selection & Purchasing Advice
When sourcing the Siemens 6AV6643-0BA01-1AX0, verify that the unit is intended for use as a spare in an existing system. Because the product is no longer manufactured new, you may find refurbished or new-old-stock units from reputable suppliers. Check compatibility with your current WinCC flexible version and confirm the required language packages. For a seamless upgrade path, consult the SIMATIC Update ID 62977695 provided by Siemens. At PLC Source PRO (ubest101.myshopify.com), we offer verified pre-owned and surplus automation parts. Contact our team to check availability and to ensure the unit meets your specific needs.