Background suppression Sick WTR1-P821 (1015918)

Zone control
Background suppression   Model Name WTR1-P821 Part No. 1015918   Самое главное 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) Преимущества 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, block 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-drive
	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 operating temperature:	-10 °C ... 55 °C
	Ambient storage temperature:	-25 °C ... 75 °C
	Shock/vibration:	According to IEC 68

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