Siemens SIMATIC HMI KTP600 Basic DP Modules: 6AV6647-0AE11-3AX0

Technical Dossier

Product Details And Specifications

Siemens SIMATIC HMI KTP600 Basic DP Series Technical Notes

The Siemens SIMATIC HMI KTP600 Basic DP series occupies a well-established position in global heavy industry HMI deployments. Installed across chemical processing plants, petroleum refineries, nuclear auxiliary systems, water treatment facilities, and discrete manufacturing lines, the KTP600 Basic DP represents Siemens' entry-level PROFIBUS DP-connected operator panel platform. Its 5.7-inch STN display, 6 function keys, and PROFIBUS DP interface made it the standard visualization node for S7-300 and S7-400 PLC architectures throughout the 2000s and 2010s. The panel operates on WinCC flexible Compact runtime and is configured exclusively via WinCC flexible 2008 SP4 or earlier. As of 2023, Siemens has officially classified the KTP600 Basic DP as a discontinued product, with no direct successor sharing the same PROFIBUS DP interface in the Basic Panel line — the replacement path leads to the KTP700 Basic PN (PROFINET only). This lifecycle status makes long-term spare parts sourcing a critical operational concern for any plant still running PROFIBUS DP backbones.

The Evolution of KTP600 Basic DP Architecture

The KTP600 Basic DP belongs to Siemens' first-generation Basic Panel family, introduced under the WinCC flexible Compact ecosystem. Its architecture is defined by three fixed constraints: a PROFIBUS DP slave interface (MPI/DP combined port), a non-touch STN color display (320×240 resolution), and a membrane keypad with 6 configurable function keys. This design was intentional — targeting cost-sensitive machine-level HMI applications where touch was unnecessary and PROFIBUS DP was the dominant fieldbus.

The panel's firmware is non-upgradeable beyond the factory-installed WinCC flexible Compact runtime version. Configuration is performed offline via WinCC flexible 2008 on a Windows XP/7 engineering station and transferred via MPI/DP cable or USB. There is no Ethernet port, no web server, and no OPC UA capability — all features that define its successor generations.

Compatibility constraints are significant: the KTP600 Basic DP cannot be integrated into TIA Portal projects without a migration step using the Panel Migration Tool, which converts WinCC flexible projects to Basic Panels (2nd Gen) format. However, the hardware itself is not TIA Portal-compatible. Plants upgrading to TIA Portal V13 or later must replace the physical panel with a 2nd Gen Basic Panel (e.g., KTP700 Basic PN, 6AV2123-2GB03-0AX0) and migrate the PROFIBUS DP network to PROFINET — a significant infrastructure investment that many facilities defer, sustaining demand for original KTP600 Basic DP spare units.

KTP600 Basic DP Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified product range within the Siemens SIMATIC HMI KTP600 Basic DP and closely related Basic Panel family. SKUs are classified by interface and display type.

KTP600 Basic DP — PROFIBUS DP Interface, 5.7" STN Display

• 6AV6647-0AE11-3AX0: KTP600 Basic DP, 5.7" STN color, 6 function keys, PROFIBUS DP/MPI, WinCC flexible Compact
• 6AV6647-0AB11-3AX0: KTP600 Basic Mono DP, 5.7" STN monochrome, 6 function keys, PROFIBUS DP/MPI interface

KTP400 Basic DP — PROFIBUS DP Interface, 3.8" Display

• 6AV6647-0AA11-3AX0: KTP400 Basic Mono DP, 3.8" monochrome display, 4 function keys, PROFIBUS DP/MPI

KTP1000 Basic DP — PROFIBUS DP Interface, 10.4" Display

• 6AV6647-0AF11-3AX0: KTP1000 Basic Color DP, 10.4" TFT color, 8 function keys, PROFIBUS DP/MPI

KTP600 Basic PN — PROFINET Interface, 5.7" Display (Parallel Generation)

• 6AV6647-0AD11-3AX0: KTP600 Basic Color PN, 5.7" TFT color, 6 function keys, PROFINET interface
• 6AV6647-0AC11-3AX0: KTP600 Basic Mono PN, 5.7" STN monochrome, 6 function keys, PROFINET interface

KTP400 Basic PN — PROFINET Interface, 3.8" Display

• 6AV6647-0AA11-3AX0: KTP400 Basic Mono PN, 3.8" monochrome, 4 function keys, PROFINET interface

KTP700 Basic PN — 2nd Generation Successor, PROFINET

• 6AV2123-2GB03-0AX0: KTP700 Basic PN, 7" widescreen TFT, TIA Portal V13+, PROFINET, successor platform

KTP900 Basic PN — 2nd Generation, PROFINET

• 6AV2123-2JB03-0AX0: KTP900 Basic PN, 9" widescreen TFT, TIA Portal V13+, PROFINET interface

KTP1200 Basic PN — 2nd Generation, PROFINET

• 6AV2123-2MB03-0AX0: KTP1200 Basic PN, 12.1" widescreen TFT, TIA Portal V13+, PROFINET interface

TP177B DP — Predecessor Platform, PROFIBUS DP

• 6AV6642-0BC01-1AX1: TP177B 4" DP, touch panel, PROFIBUS DP, WinCC flexible 2005 and later
• 6AV6642-0DC01-1AX1: TP177B 6" DP, touch panel, PROFIBUS DP, predecessor to KTP600 Basic DP

OP177B DP — Predecessor Operator Panel, PROFIBUS DP

• 6AV6642-0EA01-3AX0: OP177B DP, key-operated panel, PROFIBUS DP/MPI, predecessor keypad HMI

MP177 — Mobile Panel Predecessor

• 6AV6645-0AB01-0AX0: Mobile Panel 177 DP, portable PROFIBUS DP HMI, predecessor mobile platform

KP300 Basic Mono PN — Compact Keypad Panel

• 6AV6647-0AG11-3AX0: KP300 Basic Mono PN, 3.8" monochrome, keypad-only, PROFINET interface

Spare & Accessory Parts

• 6AV6671-5AE00-0AX0: WinCC flexible 2008 Compact/Standard/Advanced — engineering software for KTP600 Basic DP configuration
• 6ES7901-0BF00-0AA0: PC/MPI adapter USB for programming cable, required for KTP600 Basic DP project transfer

Quality Control for the KTP600 Basic DP Range

The KTP600 Basic DP presents specific test requirements due to its combined MPI/PROFIBUS DP physical layer and its STN display assembly. DriveKNMS applies the following verification protocol to all KTP600 Basic DP units prior to dispatch:

• PROFIBUS DP/MPI Interface Test: Each unit is connected to a live PROFIBUS DP segment using a Siemens S7-300 CPU as master. Slave address assignment, GSD file recognition, and cyclic data exchange are verified at 187.5 kbps and 1.5 Mbps baud rates.
• Display Integrity Check: STN panel is driven through full color palette and pixel-level test patterns to identify dead pixels, backlight degradation, and contrast uniformity deviations.
• Function Key Actuation Test: All 6 membrane function keys are tested for actuation force, contact resistance, and debounce response using a calibrated key press fixture.
• WinCC Flexible Runtime Boot Test: A standard test project is loaded via MPI cable. Panel boot sequence, project load time, and screen navigation are verified against baseline performance parameters.
• Power Supply Stability Test: Unit is operated at 24V DC nominal with ±10% voltage variation for 30 minutes. Current draw is logged and compared against Siemens datasheet specifications (typical: 200mA at 24V DC).
• Housing and Connector Inspection: Front bezel, membrane overlay, and Sub-D9 PROFIBUS connector are inspected for mechanical damage, pin integrity, and IP65 front-face seal condition.