Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6AV2123-2JB03-0AX0 |
| Manufacturer | Siemens (Digital Industries / Factory Automation) |
| Product Type | HMI Basic Panel (Key/Touch) |
| Product Series | SIMATIC HMI KTP900 Basic (6AV2123 family) |
| Display Type | 9″ TFT widescreen, LED backlight |
| Resolution | 800 × 480 pixels |
| Colors | 65,536 |
| Function Keys | 8 (non-illuminated) + onscreen numeric/alphanumeric keyboard |
| Touch Operation | Resistive touchscreen |
| Supply Voltage | 24 V DC (19.2 – 28.8 V DC range) |
| Current Consumption (rated) | 230 mA |
| Power Consumption (typ.) | 5.5 W |
| User Memory | 10 MB |
| Interface | 1 × PROFINET RJ-45, 1 × USB host |
| Configuration Software | WinCC Basic V13 / STEP 7 Basic V13 (TIA Portal) |
| Front / Rear Protection | IP65 front (plastic bezel), IP20 rear |
| Housing Dimensions (W × H × D) | 267 × 182 × 55 mm |
| Cutout Dimensions (W × H) | 251 × 166 mm |
| Mounting | Portrait or landscape, cabinet cut-out |
Main Features and Advantages
The 6AV2123-2JB03-0AX0 hits a very deliberate price-performance slot: it gives you the 9-inch widescreen and PROFINET integration of much pricier Comfort panels, but stays inside the “Basic” license bracket that is included with STEP 7 Basic / TIA Portal Base — no separate WinCC license to buy, no Comfort-specific project migration headache. For OEMs shipping 20–200 identical machines a year, that delta adds up fast, and the 6AV2123-2JB03-0AX0 is the panel that captures exactly that budget tier.The KTP hybrid (keys + touch) is the second differentiator. Eight physical function keys let you hard-map “Start,” “Stop,” “Reset,” “Manual/Auto,” and “Ack” as tactile, glove-proof actions — critical in food & beverage, cold-chain, and outdoor skids where resistive touch alone can feel sluggish or gets triggered by spray/wipe. At the same time the resistive touch overlay handles navigation, recipe browsing, trend zoom, and parameter entry via the onscreen numeric/alphanumeric pop-ups. The 6AV2123-2JB03-0AX0 therefore works for both operator archetypes: the gloved line tech who wants muscle-memory keys, and the setup tech who wants to drill into tag tables.Display-wise, 9 inches at 800 × 480 with 65 K colors is the sweet spot for machine-level duty. It fits a 10–15 tag trend strip, a small navigational button grid (6–8 objects), and a couple of I/O fields on the same screen without crowding. The LED backlight is rated 20,000 hours at 25 °C — easily 5–7 years in a two-shift plant — and is dimmable through the HMI project, useful for night-shift glare control. Portrait mounting is officially supported, which matters on narrow conveyor-side doors where a landscape 9-inch panel would overhang the cutout; the 6AV2123-2JB03-0AX0 rotates in software and bezel without extra hardware.Connectivity is deliberately minimal: one PROFINET port to the S7-1200/S7-1500 CPU (or SINAMICS G120 via PLC proxy), and one USB host for service. No Ethernet switch built in, no PROFIBUS, no SD-card — those are Comfort-tier features. What the 6AV2123-2JB03-0AX0 keeps is the essentials: clean integration into TIA Portal tag tables (drag-and-drop from PLC symbols), alarm buffer, recipe storage in the 10 MB user area, and ProSave-based backup/restore so a replacement panel can be cloned from a USB stick in five minutes on the floor. For spare-strategy buyers, one 6AV2123-2JB03-0AX0 on the shelf covers every KTP900 Basic slot in the plant — and the 6AV2123 family shares cut-out dimensions across sizes, so field-upsize to KTP1200 later only needs a larger bezel cut.
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