MP277-8, 6AV6643-0DB01-1AX1 is a Siemens SIMATIC MP 277 8-inch Key Multi Panel with a 7.5-inch TFT display and retentive memory. It provides 6 MB of configuration memory.
The key-operated panel supports 65,536 colors at 640 x 480 pixels and is configurable with WinCC flexible 2005 Standard SP1. Its hardware combines HMI visualization and physical operator keys.
Siemens cancelled the product in 2023. The V2 service successor is 6AV6643-0DB01-1AX2, while KP900 Comfort 6AV2124-1JC01-0AX0 is the later functional migration platform.
It is used for machine visualization, alarms, operator commands and data handling where physical function keys are required.
It is compatible with WinCC flexible projects configured for the MP 277 8-inch Key. Hardware version, operating system image and project backup must match.
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Important Notice: Accessories, software, cables, licenses and calibration records are supplied only when specifically stated in the quotation or stock description.
The panel uses a 7.5-inch color TFT and a key-operated membrane front. Confirm the mounting cutout, key labels and project backup before exchanging the device.
It is used for machine visualization, alarms, operator commands and data handling where physical function keys are required.
It is compatible with WinCC flexible projects configured for the MP 277 8-inch Key. Hardware version, operating system image and project backup must match.
Use 6AV6643-0DB01-1AX2 for the V2 service path where applicable. KP900 Comfort 6AV2124-1JC01-0AX0 is the later migration platform and requires project and installation review.
Back up the HMI project, verify the 338 x 206 mm cutout, 61 mm depth, 24 V supply and communication settings before replacement.
The MP 277 8-inch Key Multi Panel uses a 7.5-inch 640 x 480 TFT display, membrane keyboard and 6 MB project memory for WinCC flexible applications. Siemens identifies 6AV6643-0DB01-1AX2 as the V2 service successor and KP900 Comfort as the later migration platform.
Before commissioning, verify the complete order number MP277-8, 6AV6643-0DB01-1AX1, physical interface, engineering software or firmware requirements, and the configuration of the existing Siemens system.
Siemens lists 6AV6643-0DB01-1AX1 as PM410 Product Cancellation. The service successor is 6AV6643-0DB01-1AX2, and KP900 Comfort 6AV2124-1JC01-0AX0 is the later migration platform; Moore Automated supplies quality Siemens HMI spares to reduce downtime.
Moore Automated supports customers with order-code verification, condition confirmation and sourcing of Siemens replacement modules or compatible spare parts for this exact configuration.
For discontinued products, the documented successor or migration path should be checked against the installed hardware, software and field wiring before replacement. This supply and verification approach helps shorten maintenance decisions and reduce unplanned downtime.
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