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Sick WT18-3P921 Overview
WT18-3P921 Photoelectric Proximity Switch complementary outputs pigtail with M12 plug
Sick WT18-3P921 Description
- Sender LED with infrared light
- Precise background suppression
- Scanning distance can be set via double teach-in button
- Insensitivity to ambient light
- Rugged plastic housing
- Universal application possibilities and very large scanning distances due to high-performance infrared light
- Reliable object detection with high-precision background suppression thanks to second sender LED
- Fast and accurate scanning distance setting by means of double teach-in button
- No interference from ambient light or devices mounted opposite one another
- High availability in the field
Your benefits
Features | |
Dimensions (W x H x D):: | 17.6 mm x 75.5 mm x 33.5 mm |
Sensing range max.: | 10 mm ... 1,000 mm 1) |
Sensing range: | 50 mm ... 1,000 mm 2) |
Housing desig (light emission): | Slim |
Light source: | LED 3) |
Type of light: | Infrared light |
Wave length: | 870 nm |
Adjustment: | adjustable |
Sensitivity adjustment: | Adjustable Teach |
Teach-in: | doubled |
Sensor/detection principle: | Photoelectric proximity sensor, Background suppression |
Light spot (distance): | 30 mm (600 mm) |
1) 2) Object with 90 % reflectance (referred to standard white DIN 5033) 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: | < 5 Vpp 2) |
Power consumption: | 55 mA 3) |
Switching output: | PNP, light/dark-switching |
Output current Imax.: | 100 mA |
Response time: | < 700 s 4) |
Switching frequency: | 700 Hz with light/dark ratio 1:1 |
Connection type: | Cable with plug, M12, 4-pin 0.29 m 5) |
Cable material: | PVC |
Circuit protection: | A C D 6) 7) 8) |
Weight: | 90 g |
Housing material: | ABS |
Optics material: | PMMA |
Ambient temperature, operation: | -40 C ... 60 C |
Ambient temperature, storage: | -40 C ... 75 C |
Voltage supply-LED: | ![]() |
Output state-LED: | ![]() |
1) Limit values, operation in short-circuit protected network max. 8 A 2) 3) Without load 4) Signal transit time with resistive load 5) Do not bend below 0 C 6) A = VS connections reverse-polarity protected 7) C = interference suppression 8) D = outputs overcurrent and short-circuit protected |