SIEMENS 6AV6647-0AE11-3AX0 – KTP400 Basic DP Touch Panel | SIMATIC HMI Basic Series
Engineering Background
The SIMATIC HMI Basic Panel family was engineered by Siemens to deliver reliable, cost-effective human-machine interface solutions for entry-level to mid-range automation systems. The KTP400 Basic DP (6AV6647-0AE11-3AX0) is the PROFIBUS DP variant of the 4″ widescreen series, purpose-built for integration with SIMATIC S7-300/400 PLCs and compatible controllers via the MPI/PROFIBUS interface. It is the preferred choice for machine builders and OEM panel designers who require a compact, rugged HMI with deterministic fieldbus communication.
Product Positioning
Positioned as a field-proven, entry-level HMI for discrete manufacturing, packaging, and process skid applications, the 6AV6647-0AE11-3AX0 bridges the gap between simple operator panels and full-featured SCADA terminals. Its 4″ TFT display, key-and-touch hybrid input, and PROFIBUS DP connectivity make it the go-to selection for engineers upgrading legacy OP/TP panels or designing new compact control cabinets.
Complete Technical Specifications
| Parameter | Value |
|---|---|
| Order Number (MLFB) | 6AV6647-0AE11-3AX0 |
| Product Family | SIMATIC HMI KTP400 Basic DP |
| Display Size | 4″ (3.8″ active) Widescreen TFT |
| Display Resolution | 480 × 272 px |
| Color Depth | 64K colors (16-bit) |
| Backlight | LED, non-replaceable |
| Input Method | Touch (resistive) + 4 function keys |
| Communication Interface | PROFIBUS DP (RS-485, 9-pin Sub-D) |
| MPI Support | Yes (via PROFIBUS DP port) |
| Configuration Software | WinCC flexible 2008 SP3 / TIA Portal V11+ |
| User Memory | 10 MB |
| Power Supply | 24 V DC (20.4–28.8 V) |
| Power Consumption | Typ. 4.5 W |
| Operating Temperature | 0 °C to +50 °C |
| Storage Temperature | −20 °C to +60 °C |
| Degree of Protection (Front) | IP65 |
| Degree of Protection (Rear) | IP20 |
| Mounting | Panel cut-out, portrait or landscape |
| Panel Cut-Out (W × H) | 122 × 90 mm |
| Dimensions (W × H × D) | 130 × 98 × 38 mm |
| Weight | Approx. 0.35 kg |
| Certifications | CE, UL, cULus, ATEX Zone 2 (optional) |
| Firmware | Updateable via USB (Type A, host) |
| Recipe Management | Yes (up to 500 records) |
| Alarm Management | Yes (up to 200 alarms) |
| Trend Display | Yes |
| Multi-language Support | Up to 5 languages (runtime switchable) |
Proven Application Environments
- Discrete Manufacturing: Machine tool status monitoring, conveyor control panels, and press line HMI stations.
- Packaging Machinery: Line speed setpoint entry, batch counter display, and fault acknowledgment on filling/sealing machines.
- Water & Wastewater: Pump station local control panels with PROFIBUS DP integration to S7-300 PLCs.
- Building Automation: HVAC skid local operator stations requiring compact form factor and IP65 front protection.
- OEM Panel Builders: Standardized HMI platform across product lines to reduce engineering and spare-parts overhead.
- Legacy Panel Upgrades: Direct replacement for OP77B and TP177B DP panels with compatible PROFIBUS addressing.
Engineering Advantages
- Hybrid Input: Resistive touch combined with 4 dedicated function keys ensures reliable operation even with gloved hands in industrial environments.
- PROFIBUS DP Native: Eliminates the need for Ethernet infrastructure in brownfield installations; supports baud rates up to 12 Mbit/s.
- TIA Portal Integration: Fully supported in TIA Portal V11 and later, enabling unified engineering with SIMATIC S7-1200/1500 via PN/DP coupler configurations.
- Compact Footprint: 122 × 90 mm panel cut-out fits standard DIN-rail enclosures and compact machine doors.
- IP65 Front Seal: Rated for wash-down and dusty environments without additional protective covers.
- Low Power Draw: 4.5 W typical consumption reduces thermal load inside sealed enclosures.
- Long Service Life: LED backlight with >50,000-hour rated lifetime minimizes planned maintenance intervals.
System Architecture & Signal Flow
The 6AV6647-0AE11-3AX0 connects to the PROFIBUS DP network via its 9-pin Sub-D female connector. In a typical architecture:
- PLC Master: SIMATIC S7-300/400 CPU with integrated DP master port (e.g., CPU 315-2 DP).
- HMI as DP Slave: The KTP400 Basic DP is configured as a DP slave (GSD file: SIEM80C3.GSD) with a station address set via WinCC flexible or TIA Portal.
- Data Exchange: Process variables (tags) are mapped directly to PLC data blocks (DBs) or memory areas (M, I, Q) via the DP communication driver.
- Topology: Supports linear bus topology with termination resistors at both ends; maximum segment length 1,200 m at 93.75 kbit/s.
- Power: 24 V DC supplied via 2-pin push-in terminal block on the rear; isolated from the PROFIBUS signal ground.
Sourcing & Quality Verification
- Origin: Genuine Siemens AG manufactured product; sourced through authorized distribution and verified secondary market channels.
- Inspection Protocol: Each unit undergoes visual inspection, label verification (MLFB, date code, serial number), and power-on functional test prior to shipment.
- Firmware Verification: Firmware version confirmed against Siemens Industry Online Support (SIOS) release notes.
- Packaging: Ships in original or equivalent ESD-safe packaging with protective foam inserts; weight approx. 2.3 kg shipped.
- Documentation: Siemens product datasheet and operating instructions available upon request.
- Warranty: 12-month Konmask operational warranty covering defects in materials and workmanship.
Procurement Process
- Inquiry: Submit your BOM or part number to support@konmask.com or via the product page inquiry form.
- Quotation: Receive a formal quotation with unit price, lead time, and shipping options within 1 business day.
- Order Confirmation: Purchase order accepted via email; proforma invoice issued for prepayment or net-term accounts.
- Inspection & Dispatch: Unit inspected, tested, and dispatched within 2–5 business days; tracking number provided.
- After-Sales Support: Technical support available via email and phone for integration, configuration, and warranty claims.
Technical FAQ
Q: Can the 6AV6647-0AE11-3AX0 communicate with a SIMATIC S7-1200 or S7-1500?
A: Yes, via a PN/DP coupler (e.g., 6GK1415-2AA10) or by using the S7-1200/1500 CM 1243-5 PROFIBUS master module. Direct PROFINET connection is not supported on this variant.
Q: What is the difference between the KTP400 Basic DP and the KTP400 Basic PN?
A: The DP variant (6AV6647-0AE11-3AX0) uses PROFIBUS DP; the PN variant (6AV2123-2DB03-0AX0) uses PROFINET. Choose DP for existing PROFIBUS networks and PN for Ethernet-based architectures.
Q: Is WinCC flexible still supported for this panel?
A: WinCC flexible 2008 SP3 is the last version supporting this panel. Siemens recommends migrating projects to TIA Portal V13 SP1 or later using the migration wizard.
Q: What is the maximum number of tags (variables) supported?
A: Up to 500 tags (process variables) in the runtime project.
Q: Can I replace the backlight?
A: No. The LED backlight is integrated and non-replaceable. Panel replacement is required at end of backlight life (>50,000 hours typical).
Q: What panel cut-out dimensions are required?
A: 122 mm (W) × 90 mm (H), with a minimum panel thickness of 1.5 mm and maximum of 6 mm for proper gasket sealing.
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