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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 |