Datalogic SR21 Slot Sensors Instruction Manual
Contents
1. 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 output 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 t2. DATALOGIC SR21 IR SR21 RG INSTRUCTION MANUAL CONTROLS OUTPUT LED YELLOW The yellow LED ON indicates output activation 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 OUT ERROR AUTO _ SET READY ERROR LED AUTO SET PUSH BUTTON eJATALOGIC DIMENSIONS 16 OI iin BS ve e 35 7N J n 2 M4x8 75 _ 90 7 4 25 20 i co o N i J o lt 4 18 REKS L 50 E _ 7 5 LOCK SCREW PUSH BUTTON zi D Ga EnS g LEDS 97 5 i B NOTE To install the sensor using the connector positioned at 90 unscrew the blocking screw and rota
3. eserves the right to make modifications and improvements without prior notification Datalogic and the Datalogic logo are registered trademarks of Datalogic S p A in many countries including the U S A and the E U 826003051 Rev C Copyright Datalogic 2007 2009 Phone 800 894 0412 Fax 888 723 4773 Web www ctiautomation net Email info ctiautomation net
4. he 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 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 DATALOGIC AUTOMATION declare under our sole responsibility that these products are conform to the 2004 108 CE and successive amendments C WARRANTY DATALOGIC AUTOMATION warrants its products to be free from defects DATALOGIC AUTOMATION 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 DATALOGIC AUTOMATION products LAY DATALOGIC AUTOMATION cares for the environment 100 recycled paper amp DATALOGIC AUTOMATION r
5. ntinuously 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 output 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 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 solidly ON position the label in the sensor slot if the output has to be activated in correspondence of the label NORMAL ou
6. te the fixing block in an anti clockwise direction At the end rescrew the blocking screw CONNECTIONS M8 connector NPN OUTPUT PNP OUTPUT WHITE BLACK connector view from external sensor side 10 30 VDC OV BROWN 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 co
7. tput or position the support if the output has to be activated in correspondence of the support INVERTED output Use the specific references for centering 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 blinks rapidly 3 While the green LED continues to blink rapidly position the second object support or label in the sensor slot using the specific references for centering 4 Briefly press AUTO SET The rapidly blinking green LED turns OFF The detection of the second object begins The object must not be moved until the green LED turns solidly ON 5 The green READY LED solidly 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 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
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