Sensor
Fiber-optic Sensors SICK WLL190T-2 WLL190T-2F434
Features
Mechanics/electronics
Safety-related parameters
Classifications
Features
| Type | Expansion unit |
| Dimensions (W x H x D) | 10.5 mm x 34.8 mm x 68.9 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 0 m ... 4 m, Through-beam system 1) 2) |
| Sensing range |
0 mm ... 480 mm, Proximity system 3) 4) 0 m ... 2 m, Through-beam system 5) |
| Focus | Approx. 65° 6) |
| Type of light | Visible red light |
| Light source | LED 7) |
| Angle of dispersion | Approx. 65° 6) |
| Wave length | 650 nm |
| Adjustment |
Menu-controlled Single teach-in button Cable |
| Indication | Display |
| Display | LED status display / 2x 4-character digital dual displays, Set value (green indicator) and actual value (red indicator) are displayed simultaneously, display of parameters |
- 1) Sensing range at response time 2 ms. Reduction at shorter response time (see LL3/ WLL190T-2 table).
- 2) LL3-TB02 and tip adapter LL3-TA01.
- 3) Object with 90% remission (based on standard white DIN 5033). Sensing range with 2 ms response time. Reduction for shorter response time (see tables LL3/WLL190T-2).
- 4) LL3-DB01.
- 5) LL3-TB01.
- 6) See LL3 fiber-optic data.
- 7) Average service life: 100,000 h at TU = +25 °C.
Mechanics/electronics
| Supply voltage | 10 V DC ... 24 V DC 1) |
| Ripple | ≤ 10 % 2) |
| Switching output | PNP 3) 4) |
| Switching mode | Light/dark switching 3) 4) |
| Switching mode selector | Manually selectable |
| Output current Imax. | ≤ 100 mA |
| Response time | ≤ 2 ms, ≤ 60 µs, ≤ 250 µs |
| Switching frequency |
8,333 Hz 2,000 Hz 250 Hz |
| Time functions |
Without time delay Off delay On delay One shot |
| Delay time | Programmable, 0 ms ... 9,999 ms |
| Connection type | Male connector M8, 4-pin |
| Circuit protection |
A 5) B 6) C 7) D 8) |
| Protection class | III |
| Weight | 25 g |
| Housing material | Plastic, ABS/PC |
| Enclosure rating | IP50 9) |
| Ambient operating temperature | –25 °C ... +55 °C 10) |
| Ambient storage temperature | –40 °C ... +70 °C |
- 1) +- 10%.
- 2) May not exceed or fall below Uv tolerances.
- 3) Q1, Q2.
- 4) Selectable Q2, external teach or counter reset.
- 5) A = VS connections reverse-polarity protected.
- 6) B = inputs and output reverse-polarity protected.
- 7) C = interference suppression.
- 8) D = outputs overcurrent and short-circuit protected.
- 9) With correctly attached fibre-optic cable LL3 and closed protection hood.
- 10) Operating temperature fluctuates according to number of devices connected: 4–8 devices: –25 °C ... +50 °C (output current 50 mA) / 9–16 devices: –25 °C ... +45 °C (output current 20 mA).
Safety-related parameters
| MTTFD | 290 years |
| DCavg | 0% |
Classifications
| ECl@ss 5.0 | 27270905 |
| ECl@ss 5.1.4 | 27270905 |
| ECl@ss 6.0 | 27270905 |
| ECl@ss 6.2 | 27270905 |
| ECl@ss 7.0 | 27270905 |
| ECl@ss 8.0 | 27270905 |
| ECl@ss 8.1 | 27270905 |
| ECl@ss 9.0 | 27270905 |
| ECl@ss 10.0 | 27270905 |
| ECl@ss 11.0 | 27270905 |
| ETIM 5.0 | EC002651 |
| ETIM 6.0 | EC002651 |
| ETIM 7.0 | EC002651 |
| UNSPSC 16.0901 | 39121528 |
