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Sick VL18-4N3740 Overview
Photoelectric Reflex Switch, +Polf., LED-red; VL18-4N3740
Sick VL18-4N3740 Description
- Standard photoelectric sensor family in M18 cylindrical housing
- Scanning distance up to 3.7 m
- 3-wire technology
- Axial or radial optics output
- Standardized design enables simple assembly and alignment and simple replacement of the device
- Suitable for standard applications
- Suitable for signal processing e.g. with AS-i coupling modules or M12 distributor islands
- Flexibility in case of restricted installation space
Your benefits
Features | |
Sensing range max.: | 0.05 m ... 3.7 m 1) |
Sensing range: | 0.05 m ... 3 m 2) |
Housing desig (light emission): | straight |
Light source: | LED 3) |
Type of light: | visible red light |
Adjustment: | adjustable |
Sensitivity adjustment: | Potentiometer, 270 |
Housing length: | 78 mm |
Thread diameter (housing): | M18 x 1 |
Sensor/detection principle: | Photoelectric retro-reflective sensor |
Light spot (distance): | 150 mm (3 m) |
Optical axis: | axial |
1) 2) C110A 3) Average service life 100,000 h at Ta = +25 C | |
Mechanics/electronics | |
Enclosure rating: | IP 67 |
Supply voltage: | 10 V DC ... 30 V DC 1) |
Residual ripple: | ≤ 10 % 2) |
Power consumption: | ≤ 30 mA 3) |
Switching output: | NPN, light/dark-switching, Selectable via L/D control wire, open collector 4) |
Output current Imax.: | 100 mA |
Response time: | ≤ 2 ms 5) |
Switching frequency: | 250 Hz with light/dark ratio 1:1 |
Connection type: | Connector M12, 4-pin |
Protection class: | III |
Circuit protection: | A B C D 6) 7) 8) 9) |
Weight: | 100 g |
Housing material: | PBT/PC |
Optics material: | PMMA |
Ambient temperature, operation: | -25 C ... 70 C |
Polarisation filter: | ![]() |
Angle of dispersion: | 2.8 |
1) Limit values 2) 3) Without load 4) Control wire open: light-switching L.ON 5) Signal transit time with resistive load 6) A = VS connections reverse-polarity protected 7) B = inputs and output reverse-polarity protected 8) C = interference suppression 9) D = outputs overcurrent and short-circuit protected |