{"product_id":"wtr1-p421s02-sick-multitask-photoelectric-sensor-with-pneumatic-valve","title":"WTR1-P421S02 | SICK Multitask Photoelectric Sensor with Pneumatic Valve","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"474\" data-start=\"21\"\u003eThe SICK WTR1-P421S02 is a multitask photoelectric sensor with integrated pneumatic valve control, designed for accumulation and release control in conveyor systems. It combines photoelectric background suppression sensing with on-board pneumatic actuation to manage single accumulation and block or slug release functions. This device operates on a 21.6–27.6 V DC supply and is intended for industrial material handling applications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSICK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndustrial Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWTR1-P421S02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMultitask Photoelectric Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDevice Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePhotoelectric sensor with integrated pneumatic valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunctional Principle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePhotoelectric proximity sensor, background suppression\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConveyor ZoneControl and accumulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensing Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300–900 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLight Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInfrared\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLight Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21.6–27.6 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePNP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDark switching\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current Max.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM12 male connector, 4-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDaisy Chain Cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM12 female connector, 1.2 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntegrated Valve Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/2-way solenoid valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Medium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompressed air or neutral gases\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Pressure Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4–7 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic, ABS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-15 °C to +50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e175 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eWTR1-P421S02\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe WTR1-P421S02 is part of SICK’s WTR series, developed for ZoneControl and conveyor automation systems where precise product flow management is required. It integrates a photoelectric proximity sensor with background suppression and a 3\/2-way solenoid valve for air-to-brake operation. The device supports sensing ranges from 300 mm to 900 mm using infrared LED technology and includes potentiometer-based adjustment for fine tuning. Its compact housing, daisy-chain connectivity, and pneumatic interface make it suitable for modular conveyor layouts in demanding industrial environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMultitask Photoelectric Sensor: Combines optical sensing and pneumatic control in one device.\u003c\/li\u003e\n\u003cli\u003eIntegrated Pneumatic Valve: On-board air-to-brake solenoid valve for conveyor accumulation control.\u003c\/li\u003e\n\u003cli\u003eBackground Suppression Sensing: Reliable object detection independent of background surfaces.\u003c\/li\u003e\n\u003cli\u003eSingle Accumulation Logic: Supports single accumulation with single and block (slug) release modes.\u003c\/li\u003e\n\u003cli\u003eInfrared LED Light Source: Ensures stable detection over extended sensing distances.\u003c\/li\u003e\n\u003cli\u003eAdjustable Sensing Range: 300–900 mm with potentiometer-based sensitivity adjustment.\u003c\/li\u003e\n\u003cli\u003ePNP Switching Output: Compatible with standard industrial PLC and control systems.\u003c\/li\u003e\n\u003cli\u003eDaisy Chain Capability: Includes 1.2 m M12 cable for simplified system wiring.\u003c\/li\u003e\n\u003cli\u003eZoneControl Application Ready: Optimized for conveyor and material handling automation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe WTR1-P421S02 delivers the reliability and precision required for integrated sensing and pneumatic control in industrial conveyor accumulation systems.\u003c\/p\u003e","brand":"SICK","offers":[{"title":"Default Title","offer_id":49104929456384,"sku":"WTR1-P421S02","price":439.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/s-l1600_0a7254e2-cfc7-47de-a473-dde1190348fd.webp?v=1785536420","url":"https:\/\/alotechparts.com\/products\/wtr1-p421s02-sick-multitask-photoelectric-sensor-with-pneumatic-valve","provider":"Alo Tech Solutions","version":"1.0","type":"link"}