Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6AV6647-0AE11-3AX0 |
| Manufacturer | Siemens |
| Product Type | HMI Basic Panel, Key + Touch (KTP1000 Basic Color DP) |
| Display | 10.4″ TFT, 256 colors |
| Resolution | 640 × 480 pixels (VGA) |
| Touch Screen | Resistive, with on-screen numeric/alphanumeric keyboard |
| Function Keys | 8 (no LEDs) |
| Supply Voltage | 24 V DC (19.2 … 28.8 V) |
| Current Consumption | 0.6 A (rated) |
| Power Dissipation | 15 W (typical) |
| Processor | 32-bit ARM RISC |
| User Memory | 2 MB (flash/RAM) |
| Project Capacity | 500 tags / 200 messages / 50 screens / 5 recipes / 5 online langs |
| Communication Interfaces | 1 × MPI/PROFIBUS DP (configurable), 1 × RS422 |
| Supported Protocols | PROFIBUS DP, MPI, MODBUS (RS422), DF1 (Allen-Bradley) |
| USB / SD / Ethernet | None |
| Real-Time Clock | Software clock only (no HW RTC, sync from PLC) |
| Configurable From | WinCC Flexible 2008 SP2 Compact / WinCC Basic V11+ (TIA Portal) |
| Front / Rear Protection | IP65 / IP20 |
| Housing Material (Front) | Plastic |
| Dimensions (W × H × D) | 335 × 275 × 60 mm |
| Mounting Cutout (W × H) | 310 × 248 mm |
| Weight | 2.65 kg |
| Backlight Lifetime | 50,000 h @ 25 °C (not dimmable) |
| Operating Temperature | 0 … +50 °C (vertical), 0 … +40 °C (max 35° tilt) |
| Lifecycle Status | PM410 – Discontinued (successor: 6AV2123-2MA03-0AX0 KTP1200 Basic DP) |
Main Features and Advantages
10.4″ TFT with 8 F-keys and gloved-operation touch
The Siemens 6AV6647-0AE11-3AX0 splits its operator surface between a 10.4″ 640 × 480 TFT and 8 mechanical function keys below the screen, with an on-screen numeric and alphanumeric keyboard invoked by the keys or touch. For packaging aux-stations, conveyor junction boxes, and skid-local panels where operators wear gloves or need tactile “home/jog/reset” without hunting a soft-button on a dimmed screen, the 8 F-keys on the 6AV6647-0AE11-3AX0 are the differentiator over a pure touch Basic (KTP600/TP1500). The keys themselves carry no LEDs (unlike Comfort KP models), but the on-screen button states + F-key legend text in WinCC Flex compensate — acceptable for non-safety stations.
MPI + PROFIBUS DP in one port — the S7-200 / S7-300 bridge
A key reason plants hoard the 6AV6647-0AE11-3AX0 is the dual personality of its 9-pin sub-D: it autonegotiates as MPI (to talk S7-200, S7-300, LOGO!, old SINUMERIK) or as PROFIBUS DP-V1 master (to S7-1200/1500 + ET 200 remote I/O + drives). This makes the 6AV6647-0AE11-3AX0 the cheapest Siemens HMI that can sit on an S7-200 MPI bus (up to 187.5 kbps) and also serve as a DP panel on a newer S7-1500 DP-Master skid — no PN infrastructure needed. RS422 on a second sub-D adds MODBUS RTU or DF1 (Allen-Bradley) for third-party skid components. For plants that never adopted PROFINET on the low-end (still common on S7-300 retrofits and S7-200 legacy lines), the 6AV6647-0AE11-3AX0 is the native fit.
WinCC Flexible 2008 + TIA V11 dual-path (last of its kind)
The Siemens 6AV6647-0AE11-3AX0 is among the last Siemens HMI models configurable in WinCC Flexible 2008 SP2 Compact — Siemens’ pre-TIA Windows-toolchain that many 2008–2012 vintage lines never migrated off because re-validation (pharma/food) or re-commissioning cost exceeded the benefit. At the same time, the 6AV6647-0AE11-3AX0 also opens in WinCC Basic V11/V12 inside TIA Portal, so a plant that upgrades its S7-1200/1500 project to TIA can still drop this panel in without a full HMI re-write. 2 MB / 500 tags / 200 alarms / 50 screens is tight by modern standards but ample for a single skid or zone panel — the 6AV6647-0AE11-3AX0 was never meant to be a plant-wide SCADA face.
Constraints worth knowing before specifying
The Siemens 6AV6647-0AE11-3AX0 has no USB, no SD, no Ethernet — project download MUST go over MPI/DP via a PC Adapter USB or a CP card on the engineering PC. There is no offline clone path (no SD to carry the compiled project), so spares strategy requires either keeping a bench-preloaded spare or archiving the .pd/.ap13 project file + re-downloading on swap — which takes 5–10 minutes over 1.5 Mbps MPI, longer over 187.5 kbps. There is no hardware RTC; the 6AV6647-0AE11-3AX0 runs a software clock synced from the PLC’s system clock at runtime — if the PLC drops off, alarm timestamps drift until re-sync. Backlight is not dimmable (PROFIenergy not present on Basic gen1), so 50,000 h is a hard countdown — at 24/7 that’s ~5.7 years before visible dim, plan spare accordingly. Plastic front (not cast aluminum like Comfort) means IP65 is fine for light washdown but not chemical-rated hose-down that Comfort handles.
