Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6AV2124-1MC01-0AX0 |
| Manufacturer | Siemens |
| Product Type | HMI Comfort Panel, Key Operation (KP1200 Comfort) |
| Display | 12.1″ widescreen TFT, 16.7 M colors |
| Resolution | 1280 × 800 pixels |
| Touch Screen | No (key-operation only) |
| Number of Keys | 62 total (34 LED function keys, numeric + alphanumeric) |
| Processor | X86, 500 MHz |
| Configuration Memory | 12 MB |
| Operating System | Windows CE 6.0 |
| Supply Voltage | 24 V DC (19.2 … 28.8 V) |
| Current Consumption | 0.85 A (typ.) |
| Power Dissipation | ~20 W |
| PROFINET Interface | 1 × PN IO (2-port built-in switch) |
| PROFIBUS / MPI | 1 × MPI/PROFIBUS DP, 12 Mbps |
| Serial Interface | 1 × RS422/485 |
| USB | 2 × USB 2.0 host + 1 × USB mini-B (engineering) |
| Card Slots | 2 × SD (HMI storage card) |
| Audio | 1 × audio out (speaker + beeper) |
| Front / Rear Protection | IP65 / IP20 |
| Mounting | Vertical, landscape only, 35° max tilt |
| Dimensions (W × H) | 454 × 289 mm (cutout: 432 × 265 mm) |
| Backlight Lifetime | 80,000 h @ 25 °C |
| RTC Buffer | ~6 weeks |
| Configurable From | WinCC Comfort V11+ (TIA Portal) |
| Successor | 6AV2128-3MB06-0AX0 (Unified Comfort KP1200) |
| PLC Lifecycle Status | PM400 – Phase-out announced (31 Jan 2026) |
Main Features and Advantages
Key operation with 34 LED function keys mapped as S7 peripherals
The defining edge of the Siemens 6AV2124-1MC01-0AX0 over any touch panel is its 62-key mechanical matrix, of which 34 are function keys with individual LEDs and can operate as DP-direct S7 input/output peripherals. On a bottling filler or pharmaceutical vial inspector, an operator can press F1–F34 and have those edges light or reflect PLC outputs without the HMI script even cycling — the 6AV2124-1MC01-0AX0 passes them as DP telegrams. Each key is rated 2 million actuations, and the alphanumeric pad mimics mobile-phone text entry for recipe/batch ID input under glove. For food & beverage or chemical dosing skids where gloves, moisture, or vibrating catwalks make capacitive touch unreliable, the KP1200 format is often the only Siemens Comfort option.
Widescreen 12.1″ TFT with 40% more viewing area vs. legacy 12″ 4:3
Although the diagonal reads “12 inch” like the older MP270/MP370 12″ units, the Siemens 6AV2124-1MC01-0AX0 uses a 16:10 widescreen (1280 × 800) that yields roughly 40% more pixel area than the legacy 640×480/800×600 12″ panels. In practice this lets a WinCC Comfort screen carry a trend, alarm banner, nav bar, and 6–8 I/O faceplates simultaneously without overlay toggling. The 16.7 M color depth and 80,000 h LED backlight (0–100% PROFIenergy-dimmable) mean the 6AV2124-1MC01-0AX0 stays readable on sunlit shop floors and can be darkened for night shifts to cut cabinet heat.
Dual-fieldbus + rich peripheral set in a single 454 mm wide cutout
A single Siemens 6AV2124-1MC01-0AX0 drops onto a S7-1500/1200/300/400 via PROFINET (2-port switch lets it inline between PLC and a drive node) or legacy MPI/PROFIBUS DP at 12 Mbps — useful when a KP1200 must talk to an S7-300 on MPI while also joining a new PN IO ring. Two USB 2.0 hosts accept barcode scanners, printers, or USB stick for recipe/archive offload; two SD slots hold the HMI project + logs; RS422/485 covers a weigh-scale or third-party serial device; audio out drives a local speaker for alarm buzzer escalation. The 6AV2124-1MC01-0AX0 also runs Sm@rtServer, so a remote engineer can VNC into the panel over the plant network without added hardware.
Certifications and ruggedness for harsh environments
The die-cast aluminium front and IP65 face mean the Siemens 6AV2124-1MC01-0AX0 survives daily hose-down when the cabinet door seals properly, and the unit carries ATEX Zone 2/22 and multiple marine-class approvals — relevant for offshore skids, shipboard automation, and explosive-dust zones where a plastic-bezel Basic Panel wouldn’t pass spec. OPC UA client/server is baked in, so the 6AV2124-1MC01-0AX0 can push tag data upward to an MES/SCADA without the PLC acting as middleman, a point that matters on lines where the S7-1500 already runs hot on scan.
