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SICK WL27X-3P1831 Overview



WL27X-3P1831 Photoelectric reflex switch

SICK WL27X-3P1831 Description



  • Marking: EX II 3D IP67 T70C, EX II 3G EEx nA II T4 X according to Directive 94/9/EC (ATEX)
  • Corresponds to 3D/3G category
  • Conform with standards and ready-to-install: Sensor + protective housing (stainless steel 1.4301)
  • High scanning range, high operating reserves
  • Red
  • Reliable operation in industrial environments and when devices are mounted opposite one another
  • Your benefits

  • Ready-to-install sensors conform with the 3G/3D category for explosive zones (ATEX)
  • Less downtime plus resistance to contamination due to high operating reserves
  • Extremely vibration resistant and therefore largely independent of ambient conditions
  • Wide range of applications with respect to operating temperature: -40 C - +60 C

Features
Dimensions (W x H x D)::31.4 mm x 112.3 mm x 70.4 mm
Sensing range max.: 0.1 m ... 15 m 1)
Sensing range: 0.1 m ... 11 m 2)
Light source:LED 3)
Type of light:visible red light
Wave length:660 nm
Light spot diameter (distance):220 mm (10 m)
Adjustment:adjustable
Sensitivity adjustment:Adjustable Potentiometer
1) 2) PL80A 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:≤ 30 mA 3)
Switching output:PNP, light/dark-switching, Complementary
Output current Imax.:≤ 100 mA
Response time:≤ 500 s 4)
Switching frequency:1,000 Hz with light/dark ratio 1:1
Connection type:Cable, 4-wire 10 m 5)
Cable material:PVC
Number of cores:4
Protection class:

II

6)
Circuit protection:A
B
C 7) 8) 9)
Weight:750 g
Housing material:ABS, Stainless steel 1.4301
Optics material:PMMA
Ambient temperature, operation:-20 C ... 50 C
Ambient temperature, storage:-40 C ... 75 C
Polarisation filter:
Signal voltage PNP HIGH / LOW:approx. VS - 2.5 V / 0 V
Angle of dispersion:1.5
Ex marking (ATEX):EX II 3D IP67 T70 C
Ex II 3G EEx nA II T4 X
Hazardous area category:3D, 3G
1) Limit values, operation in short-circuit protected network max. 8 A 2) May not exceed or fall short of VS 3) Without load 4) Signal transit time with resistive load 5) Do not bend below 0 C 6) Reference voltage 50 V DC 7) A = VS connections reverse-polarity protected 8) B = inputs and output reverse-polarity protected 9) C = interference suppression


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