Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6AV3503-1DB10 |
| Manufacturer | Siemens |
| Product Type | OP3 Operator Panel (Text HMI) |
| Display | 2 lines × 20 characters, monochrome LC, LED backlight |
| Backlight MTBF (25 °C) | 200,000 h |
| Function Keys | 5 programmable membrane keys |
| Power Supply | 24 V DC, rated current 0.07 A (typical ~160 mA) |
| User Memory | 128 KB Flash/RAM |
| Interfaces | 1 × RS232 (PG/PC config), 1 × RS485 MPI/PPI (max 1.5 Mbit/s) |
| Front Protection | IP65 |
| Rear Protection | IP20 |
| Operating System | RMOS |
| Configuration Software | ProTool/Lite V2.51 or higher |
| Dimensions (W × H × D) | 148 × 76 × 25 mm (cut-out 138 × 68 mm) |
| Weight | approx. 0.25 kg |
| Certifications | CE, GL, DNV, LRS, PRS, FM Class I Div. 2, UL, CSA, cULus |
| Ambient Storage Temp. | –20 °C to +60 °C |
| Relative Humidity (operating) | max. 85 % |
Main Features and Advantages
Exceptional backlight longevity for low-maintenance operation. The 6AV3503-1DB10 features a backlight MTBF of 200,000 hours at 25 °C — equivalent to more than 22 years of continuous 24/7 operation. This far exceeds the typical 50,000-hour rating of most contemporary HMI backlights, making the panel especially valuable in applications where panel access is difficult or costly: offshore platforms, remote pumping stations, conveyor lines in confined machinery spaces, and mobile equipment. Reduced backlight failure directly translates to fewer unplanned stops and lower lifecycle cost.
Compact footprint with rugged environmental rating. At only 148 × 76 mm front profile and 25 mm depth, the 6AV3503-1DB10 fits into tight control cabinet door cut-outs (138 × 68 mm standard) and machine-side enclosures where larger graphical panels cannot be accommodated. The IP65-rated front face resists dust, cooling-oil mist, and water spray typical of shop-floor environments, while the membrane keyboard with five programmable function keys delivers tactile, gloved-hand operation even in humid or oily conditions.
Broad certification portfolio for marine and hazardous areas. Few compact text panels carry the breadth of approvals found on the 6AV3503-1DB10: GL, DNV, LRS, and PRS for shipboard deployment (engine-room monitoring, ballast control, deck machinery); FM Class I Div. 2, UL, CSA, and cULus for oil & gas, chemical, and refinery zones where flammable vapor presence demands certified hardware. This dual-domain certification makes the panel a rare “one-SKU-fits-many” spare across mixed industrial fleets.
Complete cable kit in every box. Unlike many Siemens HMI spares that ship as panel-only SKUs requiring separate cable procurement, the 6AV3503-1DB10 is packaged as a spare-part set that includes the SIMATIC S7 connection cable, the serial configuration cable for PG/PC download, and the power supply cable. For maintenance teams performing emergency swaps on legacy lines, this eliminates the risk of discovering mid-install that the correct MPI cable or power pigtail is missing.
Native S5/S7 integration via MPI/PPI. The RS485 interface runs MPI/PPI at up to 1.5 Mbit/s, connecting directly to SIMATIC S7-300, S7-400, and (via adapter) S5 controllers without additional gateway hardware. The RS232 side services firmware downloads and ProTool project transfer. For plants standardised on Siemens PLCs, the 6AV3503-1DB10 slots in without protocol converters or middleware.
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