Mô tả sản phẩm
W250-2
Features
| Sensor/ detection principle | Through-beam photoelectric sensor |
| Dimensions (W x H x D) | 20 mm x 65 mm x 43.9 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 0 m … 50 m |
| Sensing range | 0 m … 40 m |
| Type of light | Visible red light |
| Light source | LED 1) |
| Light spot size (distance) | ? 0.6 m (20 m) |
| Angle of dispersion | Approx. 2? |
| Adjustment | Potentiometer, 2 turns 2) |
- 1) Average service life: 100,000 h at TU = +25 ?C.2) With position indicator.
Mechanics/electronics
| Supply voltage | 10 V DC … 30 V DC 1) |
| Ripple | ? 5 Vpp 2) |
| Power consumption, sender | 20 mA 3) |
| Power consumption, receiver | 20 mA 3) |
| Switching output | NPN |
| Switching mode | Light/dark switching |
| Switching mode selector | Selectable via L/D control cable |
| Output current Imax. | ? 100 mA |
| Response time | ? 0.5 ms 4) |
| Switching frequency | 1,000 Hz 5) |
| Angle of reception | 20? |
| Connection type | Cable, 4-wire, 2 m 6) |
| Cable material | PVC |
| Conductor cross-section | 0.18 mm? |
| Cable diameter | ? 3.8 mm |
| Circuit protection |
A 7) B 8) C 9) D 10) |
| Protection class | III |
| Weight | 300 g |
| Housing material | Plastic, ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Items supplied | BEF-W250 mounting bracket |
| EMC | EN 60947-5-2 11) |
| Ambient operating temperature | ?25 ?C … +55 ?C |
| Ambient storage temperature | ?40 ?C … +70 ?C |
| MTTFd: mean time to dangerous failure | 3,252 years |
| UL File No. | NRKH2.E300503 & NRKH8.E300503 |
- 1) Limit values when operated in short-circuit protected network: max. 8 A.2) May not exceed or fall below Uv tolerances.3) Without load.4) Signal transit time with resistive load.5) With light/dark ratio 1:1.6) Do not bend below 0 ?C.7) A = VS connections reverse-polarity protected.8) B = inputs and output reverse-polarity protected.9) C = interference suppression.10) D = outputs overcurrent and short-circuit protected.11) The AC/DC devices comply with the Radio Safety Requirements for the industrial sector (Radio Safety Class A). They may cause radio interference if used in a residential area.
Classifications
| ECl@ss 5.0 | 27270901 |
| ECl@ss 5.1.4 | 27270901 |
| ECl@ss 6.0 | 27270901 |
| ECl@ss 6.2 | 27270901 |
| ECl@ss 7.0 | 27270901 |
| ECl@ss 8.0 | 27270901 |
| ECl@ss 8.1 | 27270901 |
| ECl@ss 9.0 | 27270901 |
| ETIM 5.0 | EC002716 |
| ETIM 6.0 | EC002716 |
| UNSPSC 16.0901 | 39121528 |
