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SICK WLL24-2X230 Overview
Reflex Photoelectric Switch WLL24-2X230 for fiber optic Ex II 2G Exia op is IIC T4
SICK WLL24-2X230 Description
- Marking: EX II 2G Ex ia op is IIC T4 according to Directive 94/9/EC (ATEX)
- Corresponds to 2G category
- Output type: EN 60947-5-6 (NAMUR)
- Large scanning distance and ranges with fiber optic systems
- M12 plug or M16 screw connection: rotatable about 90
- Durable zinc die-cast housing
- Large scanning ranges and distances defy limiting factors in norms for the 2G device category
- Metal housing for very high resistance and a long service life
- Flexible in installation thanks to rotatable connector concept
Your benefits
| Features | |
| Dimensions (W x H x D):: | 27 mm x 87.5 mm x 74.7 mm |
| Sensing range max.: | 0 mm ... 40 mm 0 ... 25 mm 0 ... 10 mm 1) 2) 3) |
| Sensing range: | 0 mm ... 40 mm, proximity system, LL3-DB01 0 ... 1,000 mm, through-beam system, LL3-TB02 and tip adapter LL3-TA01 0 ... 100 mm, through-beam system, LL3-TB02 |
| Light source: | LED 4) |
| Type of light: | visible red light |
| Enclosure rating: | IP 65 |
| Sensitivity adjustment: | Sensitivity adjustment |
| Indication: | LED |
| Sensor/detection principle: | Fiber-optic photoelectric sensors |
| 1) Object with 90 % reflectance (referred to standard white DIN 5033) 2) Object with 18 % reflectance (referred to grey) 3) 4) Average service life 100,000 h at Ta = +25 C | |
| Mechanics/electronics | |
| Supply voltage: | 5 V DC ... 15.5 V DC 1) |
| Residual ripple: | < 0.4 Vpp 2) |
| Switching output: | NAMUR, light switching |
| Response time: | ≤ 10 ms 3) |
| Switching frequency: | 50 Hz with light/dark ratio 1:1 |
| Connection type: | Terminal connection with M16 gland |
| Number of cores: | 2 |
| Protection class: | II 4) |
| Circuit protection: | A C 5) 6) |
| Housing material: | die-cast zinc |
| Weight: | 330 g |
| Optics material: | glass |
| EC type approval certificate: | PTB 08 ATEX 2029 |
| Ex marking (ATEX): | II 2G Ex ia op is IIC T4 according to directive 94/9/EG (ATEX) |
| Hazardous area category: | 2G |
| Input voltage Ui max: | 15.5 V 7) |
| Input power Pimax.: | 100 mW 8) |
| Input current Ii max: | 53 mA 9) |
| Internal capacitance Ci max.: | 80 nF 10) |
| Internalinductance Li max.: | 0 H 11) |
| 1) Limit values, supply with switching amplifier EN2Ex (internal resistor approx. 1 kOhm) 2) May not exceed or fall short of VS 3) Signal transit time with resistive load 4) Reference voltage 50 V DC 5) A = VS connections reverse-polarity protected 6) C = interference suppression 7) 8) 9) 10) 11) For connection to a sperately certified intrinsically safe circuit only | |
| Ambient data | |
| Ambient temperature, operation: | -20 C ... 60 C |
| Ambient temperature, storage: | -25 C ... 70 C |
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