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SICK WTR1-P421S02 Overview



Photoelectric Proximity Switch WTR1-P421S02 solenoid valve: 2 W, closed when de-energised, 4 up to 7 bar

SICK WTR1-P421S02 Description



  • Sensor, logic, and valve (solenoid valve/engine actuation) product variants available in a single housing or as individual units.
  • Housing design adapted to suit roller conveyor modules
  • Precise background suppression with photoelectric proximity sensors with long, adjustable sensing range of 300 mm to 900 mm.
  • Integrated logic ensures controlled flow of goods on conveyor systems, e.g. single feed, block feed, single release, or block release
  • Electrical output for motor actuation or integrated solenoid valve
  • Modular structure (with or without solenoid valve or motor actuation, with or without logic)
  • Your benefits

  • All-in-one solution: sensor + logic + valve in one housing
  • Space-saving and protected mounting, integration below conveying level
  • Reliable detection of the transported products and containers without the addition of reflectors
  • The ideal standalone solution, saving on cabling, simplifying control, and permitting clearly structured, modular expansion of conveyor systems
  • Controlled flow of goods with starting/stopping within a conveyor belt - easy and reliable
  • Very high availability of the conveyor systems thanks to controlled flow of materials - and therefore reduced costs
  • Flexible process engineering through modularity

Features
Light source: LED 1)
Type of light: Infrared light
Enclosure rating: IP 54
Dimensions (W x H x D):: 54.6 mm x 131.5 mm x 46 mm
Sensing range: 300 mm ... 900 mm
Light spot diameter (distance): 40 mm (900 mm)
Adjustment of operating distance: adjustable via scanning distance adjustment
Sensor principle: Photoelectric proximity sensor
1) Average service life 100,000 h at Ta = +25 C
Mechanics/electronics
Switching output: PNP, Dark-switching
Housing material: ABS
Weight: 175 g
Supply voltage: 21.6 V DC ... 27.6 V DC 1)
Residual ripple: < 5 Vpp 2)
Power consumption: < 25 mA 3)
Signal voltage PNP HIGH / LOW: approx. VS - < 2.0 V / 0 V
Output current Imax.: ≤ 100 mA
Switching frequency: 250 Hz
Connection type: Connector M12, 4-pin
Connection for adjacent sensor: Cable with receptacle, M12, 4-pin
Number of cores: 4
VDE protection class:

II

4)
Circuit protection: A
C
D 5) 6) 7)
Number of sensors in series: ca. 23 8)
Actuator control: with magnetic valve, pneumatic
Logical functions: slug release, single release, individual feed
Media connector: compressed air or neutral gases filtered, non-lubricated or lubricated
Design solenoid valve: 3/2-way valve 9)
Mode of operation solenoid valve: air-to-brake
Connection type solenoid valve: instant-plug-in connector control line 4 mm diameter, instant-plug-in connector compressed air 8 mm diameter
Coil voltage: 24 V DC
Coil performance: 2 W
Air flow rate: ca. 20 Nl/min 10)
Operating pressure range: 4 bar ... 7 bar 11)
Ventilation capacity: ca. 100 Nl/min 12)
1) Limit values 2) May not exceed or fall short of VS 3) Without load, without valve 4) Reference voltage 50 V DC 5) A = VS connections reverse-polarity protected 6) C = interference suppression 7) D = outputs overcurrent and short-circuit protected 8) Maximum per power supply at 27.6 V DC 9) Other valve types available on request 10) P - A 11) In combination with cylinders with small air volume we recommend tests 12) A - R
Ambient data
Ambient temperature, operation: -15 C ... 50 C
Ambient temperature, storage: -25 C ... 75 C
Shock/vibration stress: according to IEC 68




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