- Part Number: 0005‑4050‑950
- Product Line: Siemens SIMATIC HMI OP177B Operator Panel
- Type: Complete repair kit (touchscreen, membrane keypad, LCD, housing, connectors, mounting hardware)
1. Core Electrical Parameters (for OP177B Base Unit)
| Parameter | Value | Notes |
|---|---|---|
| Supply Voltage (DC) | 24 V DC | Nominal |
| Voltage Range | 19.2 – 28.8 V DC | Permissible operating range |
| Rated Input Current | 0.24 A DC | Typical at 24 V DC |
| Power Consumption | ~5.76 W | Calculated: 24 V × 0.24 A |
| Inrush Current | ≤ 0.5 A²·s | Typical starting surge |
| Isolation Voltage | 500 V AC | Between power and logic circuits |
2. Display Specifications
| Parameter | Value |
|---|---|
| Screen Size | 5.7 inch (diagonal) |
| Display Type | STN LCD (monochrome, 4 blue levels) |
| Resolution | 320 × 240 pixels |
| Backlight | CCFL |
| Backlight MTBF | 50,000 hours (at 25°C) |
| Character Size | 5 mm |
| Viewing Angle | Horizontal: ±60°; Vertical: ±40° |
3. Mechanical & Environmental
| Parameter | Value |
|---|---|
| Dimensions (H × W × D) | 292 × 247 × 63 mm |
| Weight | ~1.0 kg |
| Protection Class | Front: IP65; Rear: IP20 |
| Operating Temperature | 0 – 50°C |
| Storage Temperature | –20 – 60°C |
| Relative Humidity | 10 – 90% RH (non‑condensing) |
| Altitude | ≤ 2,000 m (no derating) |
4. Control & Interfaces
| Item | Details |
|---|---|
| Input Method | Touchscreen + membrane keypad (32 function keys, 26 with LEDs) |
| Communication Ports | PROFIBUS DP, RS‑232/422/485 (optional), USB |
| Memory | 2 MB user memory (Flash/RAM) |
| Processor | ARM, 200 MHz |
| Real‑Time Clock | Hardware clock, synchronizable |
5. Certifications
- CE, UL, cULus, FM Class I Div 2, GL (marine)
- EMC compliance: EN 61000‑6‑2 / EN 61000‑6‑4
