Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6AV6542-0BB15-2AX0 |
| Manufacturer | Siemens |
| Product Type | SIMATIC OP 170B Operator Panel (Text/Graphic HMI) |
| Display | 5.7″ STN, 4 blue levels |
| Resolution | 320 × 240 pixels (QVGA) |
| Control Elements | Membrane keyboard, 24 programmable F-keys (18 with LEDs) |
| Processor | 32-bit RISC, 66 MHz |
| User Memory | 768 KB Flash/RAM |
| CF Card Slot | Yes (recipe & data log expansion) |
| Communication Interfaces | 1 × MPI/PROFIBUS DP (12 Mbit/s), 1 × RS232, 1 × RS422, 1 × RS485 |
| Supply Voltage | 24 V DC (18–30 V range) |
| Current Consumption | 0.25 A |
| Power Consumption | ~6 W (typ.) |
| Printer Interface | Yes (ESC/P2, PCL3/PCL6) |
| Front / Rear Protection | IP65 / IP20 |
| Operating Temperature | 0 °C to +50 °C |
| Dimensions (W × H × D) | 240 × 252 × 45 mm |
| Panel Cutout (W × H) | 186 × 138 mm |
| Weight | ~0.9 kg |
| Configuration Software | ProTool/Lite V5.2 SP2+ / WinCC flexible Compact 2004+ |
| Online Languages | 5 |
| Certifications | CE, UL, cULus, CSA, FM Class I Div. 2 |
| Lifecycle Status | Discontinued (PM490, Apr 2017) |
Main Features and Advantages
The Siemens 6AV6542-0BB15-2AX0 occupies a very specific niche that newer Basic/Comfort panels don’t quite replicate — which is why plants still hunt for NOS (new-old-stock) units years after discontinuation.Tactile function keys with LEDs — the defining OP 170B trait. Twenty-four membrane F-keys (18 LED-backlit) give operators muscle-memory shortcuts that a pure touch panel can’t match, especially with gloved hands in cold rooms, food lines, or oily assembly cells. The 6AV6542-0BB15-2AX0 maps these to screen shifts, alarm ack, mode select, or bit toggles directly in ProTool/WinCC flexible — no onscreen keyboard hunting. For retrofit from even older OP 7 / OP 17 pendants, this key layout feels familiar to veteran operators.Blue-mode STN that just works. Four-level blue (monochrome) sounds dated until you’re on a packaging line where the spec is “show 8 alarm lines, 4 process values, and 6 softkeys” — the Siemens 6AV6542-0BB15-2AX0 renders that crisply at 320×240 with 50,000-hour backlight life. No color calibration drift, no backlight dimming complaints after 5 years, and power draw stays around 6 W.Native MPI/PROFIBUS DP at 12 Mbit/s. The 9-pin Sub-D on the 6AV6542-0BB15-2AX0 plugs straight into S7-300/400 MPI or onto a DP slave segment alongside distributed I/O and drives — no gateway, no protocol converter. For S7-200 and S5, the same port carries PPI/MPI variants. RS232/422/485 round out the rear: printer output (ESC/P2 or PCL), barcode scanner, or upstream telemetry to a third-party SCADA over Modbus on RS485.CF card for recipes and logging. The onboard 768 KB is enough for 100 screens and 2,000 messages, but recipe-heavy machines (batch blending, filling skids) hit that ceiling fast. The Siemens 6AV6542-0BB15-2AX0 adds a CF slot so recipes, batch logs, and alarm archives spill to removable media — a lifesaver for FDA-traceability cells that can’t jump to a full SCADA node.Project protection. Any plant that standardized on OP 170B in 2005–2012 has ProTool or WinCC flexible projects that still compile cleanly on the 6AV6542-0BB15-2AX0. No TIA Portal migration, no rescreening, no requalification — just swap the hardware and carry the CF card over.
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