Datasensor SR21 Series Fork/Slot Sensors - User Manual
Contents
1. BLUE TECHNICAL DATA Power supply 10 30 Vdc reverse polarity protection 2 Vpp max Ripple Consumption SLU NPN and PNP on different poles pull up down resistance 33 KO 100 mA max short circuit protection 2 V max with NPN 2 V max with PNP values at maximum output current Outputs Output current Output saturation voltage Switching frequency 25 kHz max T fall 1 us NPN R 1 KQ 120 us NPN C 4 7 nF 33 KQ pull up internal resistance 1 us PNP R 1 KQ 120 us PNP C 4 7 nF pull down internal resistance 33 KQ 35 85 rH non condensing Bicolour READY ERROR LED green red OUT LED yellow AUTO SET push button Data retention EEPROM non volatile memory 20 60 C Emission type infrared 880 nm visible red green 633 nm 570 nm ion Indicators Setting Ambient light rejection Connections 115 g SETTING Static setting MANUAL Recommended in presence of transparent irregular profiles and requires a separate acquisition of the label and of the support with manual positioning The best result is obtained acquiring the most transparent area of the label and the most opaque area of the support Setting steps 1 With LED continuously ON position the label in the sensor slot if the output has to be activated in correspondence of the label NORMAL output or position the support if the output has to be activated in correspondence of the support INVERTED output2. ON if the push button was blocked the sensor unblocks it and at sensor re powering the green LED is continuously ON 3 The sensor begins to operate with normal functioning The setting can not be modified if the push button is blocked DECLARATION OF CONFORMITY We DATASENSOR S p A declare under our sole responsibility that these products are conform to the 2004 108 CEE 2006 25 CE Directives and successive amendments WARRANTY DATASENSOR 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 defective during the warranty period of 36 months from the manufacturing date This warranty does not cover damage or liability deriving from the improper application of DATASENSOR products DATASENSOR S p A Via Lavino 265 40050 Monte S Pietro Bologna Italy Tel 39 051 6765611 Fax 39 051 6759324 http www datasensor com e mail info datasensor com 8 DATASENSOR S p A cares for the environment 100 recycled paper a DATASENSOR S p A reserves the right to make modifications and improvements without prior notification 826003050 Rev A
3. Use the specific references for centring 2 Briefly press AUTO SET The green and yellow LEDs turn OFF The object acquisition phase begins The object must not be moved until the green LED doesn t blink rapidly 3 When the green LED blinks postion the second object Support or label in the sensor slot using the specific references for centring 4 Briefly press AUTO SET The green LED turns OFF The detection of the second object begins The object must not be moved until the green LED doesn t turn ON continuously 5 The green READY LED continuously ON indicates that the sensor has detected a sufficient contrast between the label and the support The sensor can function with the new setting A different indication signals an error due to insufficient contrast Static setting of only the support MANUAL Recommended in presence of less critical conditions where the label is totally opaque and the output has to be activated in correspondence of the label The detection of only the support has be carried out with manual positioning Setting steps 1 With LED continuously ON position the support in the sensor slot slot using the specific references for centring 2 Briefly press AUTO SET The green and yellow LEDs turn OFF The support acquisition phase begins The support must not be moved until the green LED doesn t blink rapidly 3 When the green LED blinks press AUTO SET until the green LED blinks rapidly three times Release th
4. 35 85 rH non condensing Indicators Bi colour LED READY ERROR green red OUT LED yellow Keyboard AUTO SET pushbutton 20 70 C Electrical shock protection Emission type 880 nm infrared SR21 AR AV AS red green visible SR21 AH max thickness 1 5mm min width 1mm SR21 AH AR min width 0 5mm SR21 AV AS Lens material Protection class 115g Ambient light rejection Slot width Detectable object limits Housing material SETTING Sensor setting 1 Place the label or the mark to read in the sensor slot using the reference marks on the tip for alignment 2 Press and hold the AUTO SET pushbutton till the green READY LED turns OFF this starts the acquisition phase of the object to read which must not be removed till the green LED lights on again 3 When the green READY LED blinks put the label support or the mark background in the sensor slot using the reference marks on the tip for alignment 4 Press and hold the AUTO SET pushbutton till green READY LED turns OFF this starts the acquisition phase of the object to read which must not be removed till the green LED blinks 5 The green READY LED continuously ON indicates the setting is completed and the sensor is ready Error messages e Alternate blinking of the green READY LED and the red ERROR LED indicates that the contrast between the label support or mark background is insufficient or that the setting is incorrect Repeat the sensor setti
5. DATASENSOR SR21 SERIES INSTRUCTION MANUAL Slot sensor CONTROL PANEL BI COLOUR LED GREEN READY operative state indicator RED ERROR error indicator HH Ya Leds uO ino AYJ t osnagvu T LED YELLOW OUT output state indicator AUTO SET PUSHBUTTON automatic setting DIMENSIONS ATddNS YIMOd enti indino e e e i 1 A lt 4 18 _ L 50 LOCK SCREW ol f sg m mm NOTE To install the sensor with 90 connector unscrew the lock screw and rotate the block counterclock wise when finished tighten the lock screw completely CONNECTIONS M8 Connector NPN PNP WHITE D 4 BLACK E the connector is viewed from the external side of the housing 1 3 10 30 Vdc OV BROWN BLUE TECHNICAL DATA Power supply 10 30 Vdc protected against inversion of polarit Ripple pp max Consumption output current excluded Output 100 mA max with short circuit protection Saturation voltage 1 V max with NPN 2 V max with PNP values at peak output current 66 us max SR21 AH AR AV 33 us max SR21 AS 7 5 KHz max SR21 AH AR AV T rise 55 mA max NPN and PNP on different pins oull up down resistance 10KQ 15 kHz max SR21 AS 120 us NPN C 4 7 nF internal pull uo 10KQ T fall 1 us PNP R 1 KQ 120 us PNP C 4 7 nF internal pull down 10KQ
6. e push button 4 The green READY LED continuously ON indicates that the sensor has detected a sufficient support transparency degree The sensor can function with the new setting activating the output in correspondence of the label NORMAL output A different indication signals an error due to insuffient transparency Dynamic setting with NORMAL or INVERTED output The programming has to be carried out during normal movement of the label ribbon inside the sensor slot Recommended for labels and supports with a rather uniform transparency degree Setting steps 1 With green LED continuously ON start the movement of the label ribbon in the sensor slot 2 Press AUTO SET until the green LED blink slowly 3 Release the push button The sensor acquires the transparency degree of both the moving labels and support in approximately 2 sec cycles Leave the sensor in this acquisition phase for the time necessary to guarantee the detection of the major number of points possible The duration depends on the ribbon speed and dimensions of the labels and support 4 Setting with NORMAL output briefly press AUTO SET The green READY LED continuously ON indicates that the sensor has detected a sufficient contrast between the label and support The sensor begins to function with the new setting and the output is activated in correspondence of the label A different indication signals an error due to insufficient contrast 5 Setting with INVERTED outpu
7. n READY ERROR LED RED GREEN The green LED continuously ON indicates a normal operating condition Refer to the SETTING paragraph for the correct setting phase indications The red LED continuously ON or blinking indicates an error status Refer to ERROR INDICATIONS paragraph for the correct indications during the different functioning phases AUTO SET PUSH BUTTON Activates the different setting modes using the READY ERROR LED indications The pressure on the AUTO SET push button can be brief when pressed for at least 3 sec or long when pressed longer Refer to SETTING paragraph for operating mode indications OUTPUT LED READY ERROR LED AUTO SET PUSH BUTTON n 2 M4x8 7 5 90 2 O4 25 20 A af i j i o i L 4 fs L WY lt 4 _ 18 OO 50 a 6 7 5 LOCK SCREW PUSH BUTTON l a 8 Q S a A 97 5 NOTE To install the sensor using the connector positioned at 90 unscrew the blocking screw and rotate the fixing block in an anti clockwise direction At the end rescrew the blocking screw CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net CONNECTIONS M8 connector NPN OUTPUT WHITE PNP OUTPUT BLACK connector view from external sensor side 10 30 VDC OV BROWN
8. ng operation e The red ERROR LED blinking indicates the output is in protection mode because of a short circuit As soon as the cause of the short circuit is removed the output reactivates and red LED turns OFF e The red ERROR LED continuously ON indicates the sensor is damaged and must be replaced DECLARATION OF CONFORMITY We DATASENSOR S p A declare under our sole responsibility that these products are conform to the 2004 108 CEE 2006 25 CE Directives and successive amendments CE WARRANTY DATASENSOR 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 defective during the warranty period of 36 months from the manufacturing date This warranty does not cover damage or liability deriving from the improper application of DATASENSOR products DATASENSOR S p A Via Lavino 265 40050 Monte S Pietro Bologna Italy Tel 39 051 6765611 Fax 39 051 6759324 http www datasensor com e mail info datasensor com QJ DATASENSOR S p A cares for the environment 100 recycled paper eO DATASENSOR S p A reserves the right to make modifications and improvements without prior notification 826540047 Rev J CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net DATASENSOR SR21 IR SR21 RG INSTRUCTION MANUAL CONTROLS OUTPUT LED YELLOW The yellow LED ON indicates output activatio
9. t press AUTO SET until the green LED blinks rapidly three times Release the pus button The green READY LED continuously ON indicates that the sensor has detected a sufficient contrast between the label and the support The sensor begins to function wth the new setting and the output is activated in correspondence of the support A different indication signals an error due to insufficient contrast ERROR INDICATIONS READY ERROR LED blinking with slow red and green alternation indicates that the setting static or dynamic has failed due to insufficient transparency or contrast between label and support In this case the sensor maintains the previous setting and returns to normal functioning pressing and releasing AUTO SET READY ERROR LED red blinking at average speed during normal functioning and only with active output indicates a short circuit or overload of the outputs or insufficient power supply The indication disappears when the cause Is removed PUSH BUTTON BLOCKING AND UNBLOCKING The push button can be blocked to avoid accidental movements during normal sensor functioning The block can be maintained even after the turning OFF and turning ON of the sensor The blocking and unblocking operations are given below 1 With sensor turned OFF press AUTO SET 2 Re power sensor keeping the push button pressed The sensor inverts the block status if the push button was unblocked the bock is activated and the red LED is continuously
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