Siemens SIMATIC HMI KTP600 Basic Modules: 6AV6643-0BA01-1AX0

Technical Dossier

Product Details And Specifications

Siemens SIMATIC HMI KTP600 Basic Series Technical Notes

The Siemens SIMATIC HMI KTP600 Basic series is a standardized line of key-and-touch operator panels deployed across global heavy industry sectors including petrochemical plants, nuclear power facilities, offshore platforms, and continuous-process refineries. The KTP600 Basic panels interface directly with Siemens S7-300, S7-400, S7-1200, and S7-1500 PLCs via PROFINET IO or MPI/PROFIBUS DP, making them a structural component in distributed control system (DCS) architectures worldwide. The 6AV6643-0BA01-1AX0 is the canonical 6-inch monochrome variant of this series, featuring a 320×240 STN display, 6 function keys, and integrated PROFIBUS DP connectivity. Its compact form factor and low power consumption make it the standard choice for machine-level HMI in panel-mount enclosures.

The Evolution of SIMATIC HMI KTP600 Architecture

The SIMATIC HMI product line originated with the OP (Operator Panel) and TD (Text Display) families introduced in the early 1990s, communicating exclusively via MPI and PROFIBUS DP. The KTP (Key and Touch Panel) designation emerged as Siemens consolidated its HMI portfolio under the WinCC flexible runtime environment, replacing the earlier ProTool configuration software. The KTP600 Basic represents the second-generation Basic panel architecture, introduced alongside the SIMATIC Basic Panel family circa 2009–2012, which standardized on the TIA Portal (Totally Integrated Automation Portal) engineering framework.

Key architectural transitions in this lineage: OP7 / OP17 (MPI-only, character-based display) → OP77B (PROFIBUS DP, graphical STN) → KTP600 Basic PN/DP (dual PROFINET + PROFIBUS, TIA Portal) → KTP700 Basic (7-inch widescreen, PROFINET-only, current generation). Compatibility constraints exist at the firmware and project migration level: projects created in WinCC flexible 2008 SP3 require migration via TIA Portal V13 or later before deployment on current KTP hardware. Backplane bus protocols are not interchangeable between Basic and Comfort panel families.

SIMATIC HMI KTP600 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked models within the Siemens SIMATIC HMI KTP600 Basic and adjacent Basic Panel series. Each entry reflects a distinct hardware configuration.

Key-and-Touch Basic Panels – 6-Inch Class

• 6AV6643-0AA01-1AX0: KTP600 Basic DP – 6" STN mono, 6 function keys, PROFIBUS DP interface, 320×240 px
• 6AV6643-0BA01-1AX0: KTP600 Basic PN – 6" STN mono, 6 function keys, PROFINET IO interface, 320×240 px
• 6AV6643-0CB01-1AX1: KTP600 Basic color PN – 6" TFT color, 6 function keys, PROFINET IO, 320×240 px
• 6AV6643-0DB01-1AX1: KTP600 Basic color DP – 6" TFT color, 6 function keys, PROFIBUS DP, 320×240 px

Key-and-Touch Basic Panels – 4-Inch Class (KTP400)

• 6AV6647-0AA11-3AX0: KTP400 Basic PN – 4" WQVGA TFT color, 4 function keys, PROFINET IO

Key-and-Touch Basic Panels – 7-Inch Class (KTP700)

• 6AV2123-2GB03-0AX0: KTP700 Basic PN – 7" WVGA TFT color, 8 function keys, PROFINET IO, 800×480 px
• 6AV2123-2GB03-0AX0: KTP700 Basic DP – 7" WVGA TFT color, 8 function keys, PROFIBUS DP

Key-and-Touch Basic Panels – 9-Inch Class (KTP900)

• 6AV2123-2JB03-0AX0: KTP900 Basic PN – 9" WVGA TFT color, 8 function keys, PROFINET IO

Key-and-Touch Basic Panels – 12-Inch Class (KTP1200)

• 6AV2123-2MB03-0AX0: KTP1200 Basic PN – 12.1" WXGA TFT color, 10 function keys, PROFINET IO
• 6AV2123-2MB03-0AX0: KTP1200 Basic DP – 12.1" WXGA TFT color, 10 function keys, PROFIBUS DP

Mobile Basic Panels

• 6AV2125-2AE13-0AX0: KTP400F Mobile – 4" WQVGA, failsafe, PROFINET IO, IP65, emergency stop integrated
• 6AV2125-2JE13-0AX0: KTP900F Mobile – 9" WVGA, failsafe, PROFINET IO, IP65

Legacy OP/TP Series (Predecessor Models – Obsolete)

• 6AV6545-0BA15-2AX0: OP 77B – 3.8" STN mono, PROFIBUS DP/MPI, WinCC flexible runtime
• 6AV6545-0CA10-0AX0: TP 177B 4" – 4" TFT color, PROFIBUS DP/MPI, touch-only
• 6AV6642-0BA01-1AX1: OP 77A – 4-line text display, PROFIBUS DP, predecessor to KTP600 DP
• 6AV6647-0AB11-3AX0: KTP400 Basic mono PN – 4" STN mono, PROFINET IO, 4 function keys

Quality Control for the SIMATIC HMI KTP600 Range

Each KTP600 Basic unit processed by DriveKNMS undergoes a structured inspection protocol specific to the panel's hardware architecture. The STN/TFT display assembly is tested for pixel uniformity, backlight luminance decay, and touch calibration accuracy across the full active area. The PROFIBUS DP and PROFINET IO ports are verified using protocol analyzers to confirm correct telegram framing, station address response, and cyclic data exchange at rated baud rates (up to 12 Mbit/s for PROFIBUS DP).

Internal flash memory integrity is validated by loading a reference WinCC flexible or TIA Portal project and confirming runtime execution without fault codes. The 24 VDC power input circuit is load-tested at rated current draw. Membrane keypad actuation force and contact resistance are measured for all 6 function keys. Units exhibiting display delamination, corrupted firmware partitions, or communication port faults are quarantined and listed separately as parts-only inventory.