Product Overview: 6AV6643-0BA01-1AX0
The Siemens 6AV6643-0BA01-1AX0 is a **SIMATIC OP 277** Operator Panel. Featuring a **5.7-inch TFT Color Display**, this legacy HMI is widely used for operating and monitoring machines based on the S7-300/400 architecture.
Technical Specifications
| Display | 5.7″ TFT (256 Colors) |
| Resolution | 320 x 240 pixels (QVGA) |
| Interfaces | MPI / PROFIBUS DP / USB / Ethernet |
| Memory | 4 MB User Memory |
Lifecycle & Replacement
Since the OP 277 is a discontinued product, sourcing a working unit is vital for maintaining legacy systems without upgrading the entire engineering project to TIA Portal. It supports WinCC flexible 2005 SP1 and higher. This unit includes non-volatile memory for recipe management without a battery.
