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  • A&S Automation Co., Ltd.
  • Address: 469 Xinsheng Road, Gaoxin District, Chengdu, China
  • Tel: +86-28-67198331
  • Fax: +86-28-86129221
  • Email: sensor@esmachinery.com
  • Contact Person: Ivy

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SICK WTR1-P421 Overview



Photoelectric Proximity Switch WTR1-P421 solenoid valve: closed when de-energised, 2 up to 8 bar

SICK WTR1-P421 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)::51.5 mm x 151.4 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. 30 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:1 W
Air flow rate:ca. 20 Nl/min 10)
Operating pressure range:2 bar ... 8 bar 11)
Ventilation capacity:ca. 130 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:-10 C ... 55 C
Ambient temperature, storage:-25 C ... 75 C
Shock/vibration stress:according to IEC 68




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SICK WTR1-P421 (1013260)- A&S Automation Co., Ltd

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