Datasensor SR21 Series Instruction Manual
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SR21 SERIESINSTRUCTION MANUALSlot sensorCONTROL PANELAUTO SET PUSHBUTTON:automatic settingBI-COLOUR LEDGREEN (READY): operative state indicatorRED (ERROR): error indicatorLED YELLOW (OUT):output state indicatorDIMENSIONSLOCK SCREW2129 9206 5042618497.5M87.5907.518n°2 M4x8Ø4.258202616mmNOTETo install the sensor with 90° connector, unscrew the lock screw androtate the block counterclock-wise, when finished tighten the lockscrew completely.CONNECTIONSM8 Connector10 … 30 Vdc+ -PNP0 V2143NPN(WHITE)(BROWN) (BLUE)(BLACK)(the connector is viewed fromthe external side of the housing)TECHNICAL DATAPower supply: 10 … 30 Vdc; protectedagainst inversion of polarityRipple: 2 Vpp max.Consumption(output current excluded): 55 mA max.Output: NPN and PNP on different pins;pull up/down resistance = 10KΩOutput current: 100 mA max.with short-circuit protectionSaturation voltage: 1 V max. with NPN2 V max. with PNP(values at peak output current)Response time: 66 μs max. (SR21-AH/AR/AV)33 μs max. (SR21-AS)Switching frequency: 7.5 kHz max. (SR21-AH/AR/AV)15 kHz max. (SR21-AS)T rise: 1 μs (NPN; R = 1 KΩ)120 μs (NPN; C = 4,7 nF)internal pull up 10KΩT fall: 1 μs (PNP; R = 1 KΩ)120 μs (PNP; C = 4,7 nF)internal pull down 10KΩHumidity: 35 … 85% rH non condensingIndicators: Bi-colour LED READY/ERROR(green/red)OUT LED (yellow)Keyboard: AUTO SET pushbuttonRetention data: EEPROM non-volatile memoryOperating temperature: 0 … 55°CStorage temperature: -20 … 70°CElectrical shock protection: Class 1Emission frequency: 20 Khz ±10% modulated lightEmission type: 880 nm infrared (SR21-AR/AV/AS)red/green visible (SR21-AH)Ambient light rejection: according to EN 60947-5-2Slot width: 2 mmDetectable object limits: max. thickness 1.5mmmin. width 1mm (SR21-AH/AR)min. width 0.5mm (SR21-AV/AS)Housing material: ZAMALens material: GlassProtection class: IP65Connections: M8 4 pole connectorWeight: 115 g.SETTINGSensor setting1) Place the label or the mark to read in the sensor slot using thereference marks on the tip for alignment.2) Press and hold the AUTO SET pushbutton till the green READY LEDturns OFF, this starts the acquisition phase of the object to readwhich must not be removed till the green LED lights on again.3) When the green READY LED blinks, put the label support or themark background in the sensor slot using the reference marks on thetip for alignment.4) Press and hold the AUTO SET pushbutton till green READY LEDturns OFF, this starts the acquisition phase of the object to readwhich must not be removed till the green LED blinks.5) The green READY LED continuously ON indicates the setting iscompleted and the sensor is ready.Error messages• Alternate blinking of the green READY LED and the red ERRORLED indicates that the contrast between the label/support ormark/background is insufficient, or that the setting is incorrect.Repeat the sensor setting operation.• The red ERROR LED blinking indicates the output is in protectionmode because of a short circuit. As soon as the cause of the shortcircuit is removed, the output reactivates and red LED turns OFF.• The red ERROR LED continuously ON indicates the sensor isdamaged and must be replaced.DECLARATION OF CONFORMITYWe DATASENSOR S.p.A. declare under our sole responsibility that these products areconform to the 2004/108 CEE, 2006/25/CE Directives and successive amendments.WARRANTYDATASENSOR S.p.A. warrants its products to be free from defects.DATASENSOR S.p.A. will repair or replace, free of charge, any product found to be defectiveduring the warranty period of 36 months from the manufacturing date.This warranty does not cover damage or liability deriving from the improper application ofDATASENSOR products.DATASENSOR S.p.A. Via Lavino 26540050 Monte S. Pietro - Bologna - ItalyTel: +39 051 6765611 Fax: +39 051 6759324http://www.datasensor.com e-mail: info@datasensor.comDATASENSOR S.p.A. cares for the environment: 100% recycled paper.DATASENSOR S.p.A. reserves the right to make modifications and improvementswithout prior notification.826540047 Rev.J |
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