Siemens 6AV6647-0AA11-3AX0 is a SIMATIC HMI KTP400 Basic mono PN operator panel with combined key and touch operation. The manufacturer describes a 4-inch monochrome STN display with four gray levels and a PROFINET interface. It can be configured with the Siemens engineering versions listed for this generation, including WinCC flexible 2008 SP2 Compact, WinCC Basic V10.5 and STEP 7 Basic V10.5.
Siemens classifies this order number as a cancelled spare-part product and identifies 6AV6647-0AA11-3AX1 as the successor. A replacement decision should still consider the existing project file, firmware, communication setup, panel cutout and installed accessories.
Factory New / New Surplus options may be quoted. Packaging, revision, firmware and nameplate details are confirmed in the quotation. Typical stocked-item dispatch is 1–3 business days. A 12-month limited AMIKONG warranty may apply, subject to the quotation and eligibility.
The KTP400 Basic mono PN is an operator interface for machine and process visualization in SIMATIC applications. Its exact order number is important because display type, network interface and engineering-software support vary across KTP400 versions. Siemens lists product cancellation effective 2022-02-22.
Suitable for replacement in installed SIMATIC machine panels and compact visualization stations that were engineered for this exact KTP400 Basic mono PN order number. It may support maintenance of an existing HMI project where the original communication and panel layout must be preserved.
Before replacement, export or secure the current HMI project and record the panel firmware, IP settings, cable connections, mounting cutout and any memory or accessory components. Do not assume the successor is a drop-in replacement without checking project conversion, firmware support and physical dimensions. Use Siemens installation and migration documentation for the installed software version.

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