Product Overview
The Siemens 6AV6642-0AA11-0AX1 SIMATIC TP 177A is a 5.7-inch monochrome touch panel designed for industrial human-machine interface applications. As part of the Siemens SIMATIC series, this module offers a reliable STN display with blue mode, providing two color levels. It is configurable via WinCC flexible 2004 Compact HSP and includes open source software on the enclosed CD. The 6AV6642-0AA11-0AX1 is a spare part suitable for upgrading older HMI systems or replacing failed units in existing installations.
Technical Specifications
The 6AV6642-0AA11-0AX1 features a robust set of technical parameters tailored for industrial environments. Below is a summary of key specifications:
| Parameter |
Value |
| Display Type |
STN (passive matrix) |
| Screen Diagonal |
5.7 inches |
| Resolution |
320 x 240 pixels |
| Colors |
2 (blue levels) |
| Backlight MTBF |
50,000 hours at 25°C |
| Processor |
ARM |
| User Memory |
512 kbytes Flash/RAM |
| Interfaces |
1x RS 422, 1x RS 485 (max. 1.5 Mbps) |
| Supply Voltage |
24 V DC |
| Current Consumption |
0.24 A |
| Power Input |
6 W typ. |
| Protection Rating |
IP65 (front), IP20 (rear) |
| Operating Temperature |
0°C to 50°C |
| Weight |
0.75 kg |
Applications and Use Cases
The Siemens 6AV6642-0AA11-0AX1 is ideal for upgrading older HMI panels in applications such as machine control, packaging lines, and process monitoring. Its PROFIBUS DP interface enables seamless integration with S7-200 and S7-300/400 controllers. The 512 KB user memory supports up to 250 configurable images and 1000 messages, making it suitable for medium-complexity operator interfaces. When replacing outdated TP 170 or TP 177 models, the 6AV6642-0AA11-0AX1 provides a direct drop-in solution with improved backlight life and software compatibility.
Installation and Setup Guidance
Mount the 6AV6642-0AA11-0AX1 vertically with the front panel accessible. The recommended mounting cutout is 198 mm x 142 mm, and the overall depth is 44 mm. For proper cooling, ensure the ambient temperature stays within 0°C to 50°C. Connect the 24 V DC supply to the power terminals; the module draws 0.24 A typical. Use the RS 485 interface for PROFIBUS DP communication at up to 1.5 Mbps. The touch screen is analog resistive and requires no calibration. Configure the panel using WinCC flexible Compact (Version 2004 SP1 or higher) available separately.
Compatibility and Integration
The Siemens 6AV6642-0AA11-0AX1 supports PROFIBUS DP and MPI protocols, allowing direct connection to S7-200, S7-300, and S7-400 PLCs. It also offers PPI point-to-point and PPI network modes for S7-200. The panel does not support Ethernet, PROFINET, or Modbus. For recipe management, it stores up to 5 recipes with 20 data records each in 32 KB integrated Flash. The module is certified for marine (GL, ABS, BV, DNV, LRS) and hazardous areas (ATEX Zone 2/22, FM Class I Div. 2).
Selection Guide and Purchasing Advice
Before purchasing the 6AV6642-0AA11-0AX1, verify your system controller compatibility. This panel works only with Siemens S7-200/300/400 via PROFIBUS DP or MPI. Ensure you have the correct WinCC flexible Compact license for configuration. For reliable supply of this spare part, order from PLC Source PRO (visit ubest101.myshopify.com). The panel comes with the original CD containing open source software and documentation.