Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6AV2123-2MB03-0AX0 |
| Manufacturer | Siemens |
| Product Type | SIMATIC HMI KTP1200 Basic (2nd Gen), Key + Touch |
| Display | 12″ TFT widescreen, LED backlight, 1280 × 800 px |
| Colors | 65,536 (16-bit) |
| Touch / Keys | Resistive touch + 10 function keys, numeric onscreen keyboard |
| Interface – PROFINET | 1 × RJ45, 10/100 Mbit/s |
| Interface – USB | 1 × USB host (project transfer, mouse/keyboard/printer) |
| Configuration Software | TIA Portal WinCC Basic V13 / Step 7 Basic V13 or higher |
| Supply Voltage | 24 V DC (19.2 – 28.8 V DC range) |
| Current Consumption | 510 mA (typ.) |
| Power Loss (typ.) | 12.2 W |
| Front / Rear Protection | IP65 / IP20 |
| Operating Temperature | 0 °C to +50 °C |
| Panel Dimensions (W×H) | 332 mm × 258 mm |
| Mounting Cutout (W×H) | 322 mm × 245 mm |
| Depth | 56 mm |
| Weight | ~1.71 kg |
| Certifications | CE, UL, cULus, RCM, KC |
Main Features and Advantages
The Siemens 6AV2123-2MB03-0AX0 hits a very deliberate sweet spot — Basic-tier pricing with near-Comfort visualization headroom. Here’s where it differentiates:12″ widescreen in the Basic family. Most Basic panels stop at 9″; the KTP1200 is the only 12″ in the 2nd Gen Basic lineup. That extra diagonal translates to 1280 × 800 resolution — enough to show multi-pane screens (trends + alarms + main process graphic) without crowding, which is why OEMs putting this on packaging lines, fillers, and test stands consistently choose it over the 9″ sibling.Hybrid key + touch operation. The resistive touch handles menus and data entry; the 10 tactile function keys give operators glove-friendly, muscle-memory shortcuts for “Start/Stop/Ack/Reset” — critical on shop floors where pure touch can be fumbled with wet or gloved hands. The 6AV2123-2MB03-0AX0 also supports onscreen alphanumeric input, so you don’t lose flexibility when function keys run out.PROFINET-native, TIA Portal-integrated. Unlike the older 6AV6647 generation that carried MPI/DP, this 2nd Gen PN version connects straight to S7-1200 / S7-1500 controllers over PROFINET at 100 Mbit/s. Project download, tag binding, and alarm setup all happen inside one TIA Portal project — no third-party HMI software, no extra license hoop.USB host for peripherals and data. One USB port on the Siemens 6AV2123-2MB03-0AX0 handles project transfers (no more proprietary MPI cables), plus mice, keyboards, or barcode scanners. It also archives recipes and logs to a thumb drive — handy for batch traceability without SCADA.Industrial durability. LED backlight rated 20,000 h MTBF at 25 °C, dimmable down to 100% (useful for low-light cells), ARM processor for cool, fanless operation, and IP65 front face for washdown-adjacent zones. The panel mounts portrait or landscape, giving machine builders layout freedom.
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