Product Overview
The Siemens 6AV6642-0DC01-1AX1 SIMATIC OP177B is a robust 6-inch human-machine interface (HMI) designed for demanding industrial automation environments. Featuring a 5.7" STN display with four blue levels and a resolution of 320 x 240 pixels, this operator panel combines resistive touch operation with a membrane keyboard of 32 programmable function keys (26 with LEDs). It supports MPI/PROFIBUS-DP protocols via RS485/RS422 and includes a USB interface, printer interface, and a slot for MM-Card configuration with WinCC Flexible 2005. The Siemens 6AV6642-0DC01-1AX1 delivers reliable performance with a backlight MTBF of approximately 50,000 hours at 25°C, reducing total cost of ownership through extended service intervals and minimal downtime.
Key Technical Specifications
| Parameter |
Value |
| Display Type |
STN, 4 blue levels, 5.7" diagonal (120 mm x 90 mm) |
| Resolution |
320 x 240 pixels |
| Backlight MTBF |
~50,000 hours at 25°C |
| Control Elements |
Membrane keyboard + resistive touch; 32 function keys, 26 with LEDs |
| Supply Voltage |
24 V DC; rated current 0.24 A; inrush current 0.5 A²s |
| Processor |
ARM, 200 MHz |
| Memory |
Flash/RAM; 2048 KB usable user data |
| Interfaces |
RS232 (optional), 1 x RS422, 1 x RS485 (max. 12 Mbit/s), 1 x USB, MM-Card slot |
| Protection |
Front IP65, NEMA 4x/12; rear IP20 |
| Certifications |
CE, GL, ABS, BV, DNV, LRS, FM Class I Div. 2, UL, CSA, cULus, EX Zone 2/22, C-TICK |
| Operating System |
Windows CE |
| Weight |
1 kg |
| Dimensions (WxH) |
243 mm x 212 mm (front enclosure) |
Industrial Applications
The Siemens 6AV6642-0DC01-1AX1 excels in machine control, process visualization, and data acquisition across sectors like automotive, packaging, and chemical processing. Its rugged front (IP65/NEMA 4x) and ability to operate in Ex Zone 2/22 environments make it suitable for harsh manufacturing floors. For example, in a bottling plant, this HMI can manage line speed monitoring, alarm logging (up to 2000 messages), and recipe management (100 recipes, 200 data records each) while communicating via PROFIBUS-DP with Siemens S7-300/400 controllers. The long backlight life and low power consumption (0.24 A) contribute to reduced maintenance costs—aligning with the angle of cost-benefit and ROI.
Compatibility and Integration
This Siemens 6AV6642-0DC01-1AX1 communicates with a wide range of controllers: Siemens S5, S7-200, S7-300/400, Win AC, SINUMERIK, SIMOTION, plus Allen Bradley (DF1), Mitsubishi (FX), Telemecanique, Modicon (Modbus), and more. It supports MPI, PROFIBUS DP, and serial transfer (RS422/485). Configuration is performed via WinCC Flexible Compact/Standard/Advanced (version 2005 or higher) and is also compatible with WinCC Comfort/Advanced/Professional (TIA Portal). The HMI can be integrated into existing networks using the built-in Sm@rtServer functionality, enabling remote access and diagnostics without additional hardware.
Selection and Purchasing Guide
Before ordering the Siemens 6AV6642-0DC01-1AX1, verify your system voltage (24 V DC) and interface requirements (RS485 or PROFIBUS-DP). Confirm the availability of WinCC Flexible software for configuration (not included). For applications needing multiple HMIs or remote monitoring, ensure your network supports PROFIBUS DP. PLC Source PRO (ubest101) offers this part with fast shipping and technical support. Contact us if you need assistance selecting compatible cables, MM-Cards, or mounting accessories.