SF2 Series Instruction Manual
Contents
1. The LEDs located on the emitter TX have the following meanings e SAFE LED yellow when ON indicates that the unit is emitting correctly e POWER ON LED green when ON indicates that the unit is correctly powered SF2 Series Instruction Manual 7 2 Fault messages and Diagnostics The operator is able to check the main causes of the system stop and failure using the same LEDs used for the visualisation of the functions RECEIVING UNIT Failure Yellow blinking Red blinking OFF Yellow blinking OFF OFF OFF Yellow blinking OFF OFF Yellow ON Red ON Green ON OFF EMITTING UNIT Failure Yellow blinking Check and Repair Check the output connections Contact Datasensor in case of a capacitive load gt O 1pF is connected Press TEST button for at least 0 5 seconds see section 6 the RESTART RESET timing diagram If the condition continues contact Datasensor Press TEST button for at least 0 5 seconds see section 6 the RESTART RESET timing diagram If the condition continues contact Datasensor Check the alignment of both units Press TEST button for at least 0 5 seconds see section 6 the RESTART RESET timing diagram If the condition continues contact Datasensor Switch off the device switch ON with the TEST wire connected through a NC button to supply voltage Power supply failure check the power supply Check and Repair Transmission failure check th2. SAF E as 22 Instruction Manual SF2 Series ALIGNMENT PROCEDURES The alignment between the emitting and the receiving units is necessary to obtain the correct functioning of the light curtain The alignment is perfect if the optic axes of the first and the last emitting unit s beams coincide with the optic axes of the corresponding elements of the receiving unit Two yellow LED indicators HIGH ALIGN LOW ALIGN facilitate the alignment procedure During normal functioning the LEDs indicate the alignment status as shown below No special operating mode is required 5 1 Correct alignment procedure AUTOMATIC RESTART 23 OPERATING STATUS SAFE BREAK condition condition Yellen O HIGH ALIGN Yellow C LOW ALIGN Red BREAK Green Q SAFE S F2 Non aligned Non aligned Light curtain operating light curtain low side aligned but RECEIVER mode no Non aligned Lowest beam at least one beams are high side interrupted beam is interrupted Highest beam interrupted interrupted except the highest and lowest beams When the mechanical installation and the electrical connections have been effected as explained in the previous paragraphs it is possible to carry out the alignment of the safety light curtain according to the following procedure e Check the green LED ON the bottom of the TX unit POWER ON and the yellow LED SAFE if they are ON the unit is running correctly e Check that n
3. 50 mm 90 mm SAFE asy SF2 Series Instruction Manual 4 ELECTRICAL CONNECTIONS Every electrical connection to the emitting and receiving unit is made through a male M12 connector located in the lower part of the safety light curtain A M12 5 pole connector is used for the receiver and a M12 4 pole connector for the emitter C RECEIVER RX 1 brown 24 Vdc 2 white OSSD 1 3 bue OV 4 black OSSD 2 5 grey TEST see note automatic RESTART X version TEST RESET function manual RESTART Y version TEST RESTART RESET function N O 24Vdc 1 24 Vdc OV brown blue EMITTER TX 1 SAFE c y 18 Instruction Manual SF2 Series 4 1 Notes on the connections 19 For the correct functioning of the SAFEasy safety light curtains the following precautions regarding the electrical connections have to be respected e Do not place connection cables in contact or near high voltage cables e g motor power supplies inverters etc The correct functioning of the safety device can be compromised by the presence of strong electro magnetic fields e Do not connect in the same multi pole cable the OSSD wires of different light curtains e The TEST wire must be connected through N C button to the supply voltage of the ESPE A daily manual test is necessary to verify the correct functioning of the safety light curtain Press the relevant button to activate th
4. and Height of the controlled area Fig 3 The height of the sensitive area is the distance between the lower and the upper limits respectively of the first and the last lens The height of the controlled area is the effectively protected area It delimits the area where an opaque object with larger or equal dimensions respect to the resolution of the safety light curtain may certainly cause the interruption of a beam RESOLUTION R HEIGHT OF THE SENSITIVE AR opaque object TX Fig 3 e The safety distance It is important to carefully calculate the distance between the point where the safety device will be placed and the possible danger associated with the machine to be protected see section 2 Installation mode for the calculation of the safety distance C Instruction Manual SF2 Series 1 3 Typical applications The SAFEasy safety light curtains are used in all automation fields where it is necessary to control and protect the access to dangerous zones In particular they are used to stop the moving mechanical parts of Automatic machines Packaging machines handling machines storing machines Textile ceramic wood and leather working machines Automatic and semi automatic assembly lines Automatic warehouses In food industry applications DATASENSOR Technical Service has to verify the compatibility of the material of the safety light curtain housing with any chem
5. button SAFE BREAK BREAK y OFF Qe X MANUAL ON OFF OFF Qs RESTART OFF orr OFF OQ ON Qe VERSION O ON O orr ON OFF Qu Om SF2 SF2 SF2 SF2 OSSD ON OSSD OFF OSSD OFF OSSD ON Fig 18 X The LEDs status can be OFF or ON SAFE asy 28 T T 1 Visualisation of the functions 29 Instruction Manual SF2 Series DIAGNOSTIC FUNCTIONS operator visualise the operating condition of the light curtains through four LEDs positioned on the receiving unit and two LEDs on the emitting unit Fig 19 C senum Ou SAFE BREAK LED Qu eSAFE GREEN LED when ON indicates that no objects have been SF2 detected by the device n this EMITTER condition the outputs are ON e BREAK RED LED when indicates that one object has been ES detected In this condition the outputs Fio 19 are OFF e ALIGN HIGH LED yellow when OFF indicates the correct alignment of the last TX optic with the corresponding RX optic top side of the device When continuously ON indicates that it is necessary to press the TEST button to reset the device consequently to an object interception This occurs only when the device runs under the manual RESTART mode e ALIGN LOW LED yellow when OFF indicates the correct alignment of the first TX optic with the corresponding RX optic low side of the device
6. 6 17 is erroneously used the device enters into the block condition see cap 7 Diagnostic functions eave 1 control by uP CH 5501 2 mem control by uP 055 control by 24 control by uP Fig 15 mu 1 cont uP control by E 05501 05501 05502 fol by uP control by uP Fig 16 Fig 17 21 SAFE asy SF2 Series Instruction Manual The following connection diagram shows how the SF2 light curtain can be connected with force guided relays MPCE POWER SUPPLY Co o round connection 24VDC OVDC fuse 1 SF2 RECEIVER Test Start 5 ele TEST MPCE1 SUPPRESSOR 2 i 3 blue 1 2 1 brown 24VDC 4 MPCE1 MPCE2 to machine controls a MPCE1 MPCE2 SF2 EMITTER 3 blue 0VDC 24VDC 1 User supplied fuse 2 For normal operation mode the TEST wire has to be connected to 24 Vdc by a NC button If the wire is not connected or connected to OVDC the SF2 light curtain enters in break condition 3 The MPCE coils must be suppressed 4 Thanks to these contacts the safety light curtain controls the MPCE devices If one of the MPCE devices is blocked in a closed condition the light curtains power supply is removed and the second MPCE device blocks the machine if the beams are interrupted or when the TEST procedure is carried out
7. BREAK is ON The yellow LED HIGH ALIGN is ON the yellow LED LOW ALIGN is OFF Light curtain aligned and restart available Press TEST push button for to change to Normal Condition SAFE SF2 Series Instruction Manual BREAK CONDITION 2 he green LED SAFE is OFF and the red LED BREAK is ON The status of the yellow LEDs HIGH ALIGN LOW ALIGN is different from the WAITING FOR RESTART condition Non aligned light curtain condition Go on with the following steps to change from condition 2 to condition 1 A Keep the receiving unit in a steady position and set the emitting unit until the bottom yellow LED HIGH ALIGN is OFF B Rotate the emitting unit until the yellow LED LOW ALIGN is OFF and yellow LED HIGH ALIGN switches ON C Delimit the area in which the SAFE LED is steady through some small adjustments for the first and then for the second unit then place both units in the centre of this area e Fix the two units firmly using pins and brackets e Verify that the green LED is ON on the RX unit condition where the beams are free SAFE and verify that the same LED turns red if even one single beam is obscured condition where an object has been detected BREAK e t is important to do this check using the specific cylindrical Test Piece which presents an adequate diameter depending on the resolution of the device used Note When the Test Piece is passed from top to bottom throughout th
8. SF2 Series Instruction Manual INDEX 1 GENERAL INFORMATION eno recen exc OG vo ex Ya ee ni xev cR V oia ava 1 1 1 General description of the SAFEasy safety light 1 1 82 Howto choose the 3 1 3 Typical applicallOhS 5 1 4 Safety INTORMAUON x citro oiu dcc UT Ne On 6 2 INSTALLATION x rx cot RR educ da exu rue ce rta rum RR RE Ruhe 7 2 1 Precautions to be observed for the choice and installation of the device 7 2 2 General information on device 8 2 2 1 Minimum installation distatiGe aos ie ecc t ar ken hid ken aiia 10 2 2 2 Minimum distance from reflecting 12 2 2 3 Installation of several adjacent safety light curtains 14 2 24 MISC OF deviallo PITO tier cities Ed a dva ada au 15 MECHANICAL MOUNTING 16 ELECTRICAL CONNECTIONS aoaaa 18 4 1 Notes on the CONNECHONS nas necat rx ed nte iaa nc t al pug ud un a va 19 TEST TIMING ek due cabo 20 5 ALIGNMENT PROCEDURES d Xr aeu nur ax tid cuu aca ERR 23 5 1 Correct al
9. SF2 Series Instruction Manual 3 MECHANICAL MOUNTING The emitting TX and receiving RX units must be installed with the relevant sensitive surfaces facing each other The connectors must be positioned on the same side and the distance must be included within the operating range of the SF2 light curtain see section 9 Technical data Once positioned the two units the two bars should be aligned and parallel as much as possible The next step if necessary is the fine alignment as shown in section 5 Alignment procedures Fig 12 SAFE asy 16 Instruction Manual SF2 Series L brackets are available on request see Fig 13 Rigid fixing brackets can be used where no large mechanical compensation is required during the alignment operation The rotating supports for the correction of the bar inclination are available on request In case of applications with particularly strong vibrations anti vibration shock absorbers together with rigid brackets The recommended mounting positions according to the safety light curtain length are shown in the following drawings and table A B MODEL L mm A mm B mm C mm 212 72 my p x 359 179 poe 506 286 653 373 140 800 460 pe 40 947 547 200 1094 654 220 1241 841 200 420 SF2 kk 135 PP 1388 988 200 1535 1095 220 Xautomatic RESTART version Y manual RESTART version kk Resolution 30mm
10. e entire detection area at any distance between the two units the red BREAK LED must always remain ON without false switching A daily test is recommended SAFE cisy 26 27 Instruction Manual SF2 Series RESTART MODE An opaque object detected by the beams causes the switching of the OSSD outputs i e the opening of the safety contacts BREAK condition The restart of the ESPE i e the closing of the OSSD safety contacts SAFE condition can be carried out in two different ways e Automatic Restart when an opaque object is detected the ESPE enters in the BREAK condition Then after the opaque object has been removed from the controlled area the ESPE begins its normal functioning again e Manual Restart after the ESPE has detected an opaque object in the controlled area the light curtain begins its normal functioning again only by pressing the Restart button TEST button and after the object has been removed from the controlled area RESTART RESET TIMING DIAGRAM OUTPUT STATUS BREAK lt ee ee 24VDC RESTART OVDG 0 55 0 55 SF2 Series Instruction Manual The Fig 18 below shows the two functioning modes BREAK SAFE x Ow AUTOMATIC orr x RESTART Q OFF ON VERSION OFF OFF Ov SF2 SF2 NORMAL RECEIVER FUNCTIONING FREE BEAMS OSSD OFF OSSD ON RX INTERRUPTED FREE RX BEAMS BEAMS TEST TX TX TX push
11. e power supply If the condition continues contact Datasensor Power supply failure check the power supply 30 Instruction Manual SF2 Series CHECKS AND PERIODICAL MAINTENANCE The following is a list of recommended check and maintenance operations that should be periodically carried out by qualified personnel Check that e The ESPE stays locked during beam interruption along the entire protected area using the suitable Test Piece e Pressing the TEST button the OSSD outputs should open the red BREAK LED is ON and the controlled machine stops e The response time at the machine STOP including response time of the ESPE and of the machine is within the limits defined by the calculation of the safety distance see section 2 Installation Mode e The safety distance between the dangerous areas and the ESPE are in accordance with the instructions included in section 2 Installation Mode e Access to the dangerous area of the machine from any unprotected area is not possible e The ESPE and the external electrical connections are not damaged The frequency of checks depends on the particular application and on the operating conditions of the safety light curtain 8 1 Maintenance 31 The SAFEasy SF2 safety devices do not require any particular maintenance with the exception of the cleaning of the protection front surfaces of the optics When cleaning use a cotton cloth dampened with water Do not u
12. e test elf TEST is connected to 0 Vdc or unconnected at the system powering the light curtain enters in the BREAK condition see section 7 Diagnostic functions e The TEST push button must be located in such a way that the operator can check the protected area during any Test and Reset operation see section 6 Reset mode Class does not allow the ground connection of the two units and a SELV PELV power supply is compulsory eClass 1 states that the ground connection and the symbol for connection of the two units is compulsory using the special screw supplied with the device instead of one of the 6 screws that lock the heads of each bar and a SELV PELV power supply is recommended ground connection SAFE asy SF2 Series Instruction Manual 4 2 TEST timing diagrams The output functions are self checked every 0 5 seconds during normal operation The TEST function also can be activated by simply pressing the external push button for at least 0 5 seconds as shown in the following timing diagram AUTOMATIC VERSION SAFE OUTPUT STATUS MANUAL VERSION SAFE OUTPUT STATUS BREAK l l 24VDC TEST 0 0 0 Instruction Manual SF2 Series The OSSD1 and OSSD2 safety contacts cannot be connected series or in parallel but can be used separately e f one of these configurations Fig 15 1
13. ents an adequate diameter depending on the resolution of the device used Note When the Test Piece is passed from top to bottom throughout the entire detection area at any distance between the two units the red BREAK LED must always remain ON without false switching A daily test is recommended 5 5 24 Instruction Manual SF2 Series 5 2 Correct alignment procedure MANUAL RESTART 25 OPERATING STATUS WAITING SAFE for BREAK condition RESTART condition condition BREAK Yellow HIGH ALIGN Yellow LOW ALIGN Red sex Green Q sare o F2 operating curtain curtain RECEIVER mode no aligned i j aligned but beams are Restart in at least interrupted availabile one beam aligned interrupted is high side interrupted Highest except beam the highest interrupted and lowest beams When the mechanical installation and the electrical connections have been effected as explained in the previous paragraphs it is possible to carry out the alignment of the safety light curtain according to the following procedure e Check the green LED ON the bottom of the TX unit POWER ON and the yellow LED SAFE if they are ON the unit is running correctly e Check that no opaque objects are inside the controlled area e Verify that one of the following conditions is present on the RX unit WAITING FOR RESTART CONDITION BREAK 1 The green LED SAFE is OFF and the red LED
14. h units see section 5 Alignment procedures As soon as an object a limb or the operators body accidentally interrupts the beams sent by the emitter the receiver immediately opens the OSSD output and blocks the machine if correctly connected to the OSSD Note The following abbreviations will be used in this manual as they are defined by the Standards in force AOPD Active opto electronic protective device ESPE Electro sensible protective equipment MPCE Machine primary control element OSSD Output signal switching device switching output TX Emitting device RX Receiving device Some parts or sections of this manual containing important information for the operator are preceded by a note Notes and detailed descriptions about particular characteristics of the SAFEasy safety devices in order to better explain their functioning special instructions regarding the installation process The information provided in the paragraphs following this symbol is N very important for safety and may prevent accidents Always read this information accurately and carefully follow the advice to the letter This manual contains all the information necessary for the selection and operation of the SAFEasy safety devices However specialised knowledge not included in this technical description is required for the planning and implementation of a safety light curtain on a power driven machine As the required knowledge may not be complete
15. ical agents used in the production process The following pictures show some main applications SAFE asy SF2 Series Instruction Manual 1 4 Safety information The following points must be observed for a correct and safe use of N the SAFEasy safety device e The stopping system of the machine must be electrically controlled e his control system must be able to instantly stop the dangerous movement of the machine during all the phases of the working cycle e Mounting and connection of the safety light curtain must only be carried out by qualified personnel according to the indications included in the special sections refer to sections 2 3 4 5 6 e The safety light curtain must be securely placed in a particular position so that access to the danger zone is not possible without the interruption of the beams see section 2 Installation mode e he personnel operating in the dangerous area must be well trained and must have adequate knowledge of all the operating procedures of the safety light curtain e The TEST button must be located outside the protected area because the operator must check the protected area during all the Test and Reset operations SAFE cisy 6 2 Instruction Manual SF2 Series INSTALLATION MODE 2 1 Precautions to be observed for the choice and installation of the device e Make sure that the protection level assured by the SAFEasy Type 2 is compatib
16. ignment procedure AUTOMATIC 23 5 2 Correct alignment procedure MANUAL 25 6 RESTART MODE 27 DIAGNOSTIG FUNCTIONS indi rud Va Ceo dra epo Dos va Fuga E 29 fd Wisualissation OF the TUNGCHOMS 29 7 2 Fault messages and Diagnostics esee 30 8 CHECKS AND PERIODICAL MAINTENANCE eere nnne nennen nnn 31 Bs SIVAN MAN e saints indes uid Uode RM eps m 31 8 2 General information and useful data 32 rS 32 9 TECHNICAL DATA a 33 10 LIST OF THE AVAILABLE MODELS 34 D 35 12 ACCESSORIES ep cade ck toute 36 Instruction Manual SF2 Series 1 GENERAL INFORMATION 1 1 General description of the SAFEasy safety light curtain The SAFEasy safety light curtains SF2 Series are optoelectronic multibeam devices that are used to protect working areas that in presence of machines robots and automatic systems in general can become dangerous for operators that can get in touch even accidentally with moving parts The SAFEasy devices are 2 intrinsic safety systems used as accident prevention
17. le with the real danger level of the machine to be controlled according to EN 954 1 e The outputs OSSD of the ESPE must be used as stopping devices of the machine and not as command devices The machine must have a special RESTART command e The dimension of the smallest object to be detected must be larger than the resolution level of the ESPE e The ESPE must be installed in a place compatible with the technical characteristics shown in section 9 e Do not place the device in particular the receiver unit near any intense light sources e Strong electromagnetic interferences can compromise the correct functioning of the device DATASENSOR suggests contacting its own Technical Service when this problem occurs e The operating distance of the device can be reduced by 50 in the presence of smog fog or airborne dust eA sudden change in environment temperature with very low minimum peaks can generate a small condensation layer on the lenses and so jeopardize functioning SF2 Series Instruction Manual 2 2 General information on device positioning The device should be carefully positioned in order to reach a very high protection standard Access to the hazardous area must only be possible by passing through the protecting safety light beams Fig 4a shows some examples of possible access to the machine from the top and the bottom sides These situations may be very dangerous so and so the installation of the safety light c
18. ly included in this manual we suggest the customer to contact DATASENSOR Sales Technical Service for any necessary information relative to the functioning of the SF2 series light curtains and the safety rules that regulate the correct installation see section 8 Checks and periodical maintenance SAFE cisy 2 Instruction Manual SF2 Series 1 2 How to choose the device There are at least three different main characteristics that should be considered when choosing a safety light curtain e The resolution strictly depending on the part of the body to be protected 30mm hand protection 50mm presence control 90mm protection 9 safety light curtain models with 50 mm and 90 mm resolution present sensitive areas with inferior resolution with respect to the declared value The resolution of the device is the minimum dimension which an opaque object must have in order to obscure at least one of the beams that constitute the sensitive area As shown in Fig 2 the resolution only depends on the geometrical characteristics of the lenses diameter and distance between centres and is independent of any environmental and operating condition of the safety light curtain TX RX Fig 2 The resolution value is obtained applying the following formula 1 322 SAFEasy SF2 Series Instruction Manual e The height of the protected area It is important to distinguish between Height of the sensitive area
19. mn and floor stand 1200 mm 1200 200 X mm 38 Instruction Manual SF2 Series Protective stands pr sm 50x45 4 _ sp 2 100 86 06 6 2 IN _ 60 _ 60 MODEL DESCRIPTION L mm Test piece MODEL DESCRIPTION CODE TP 30 Test piece 30 mm 95ACC1650 39 SAF 5 SF2 Series Instruction Manual Connecting cables MODEL DESCRIPTION CS A1 02 G 03 Axial 4 pin 3 m cable CS A1 02 G 05 Axial 4 pin 5 m cable CS A1 02 G 10 Axial 4 pin 10 m cable CS A1 03 G 03 Axial 5 pin 3 m cable CS A1 03 G 05 Axial 5 pin 5 m cable CS A1 03 G 10 Axial 5 pin 10 m cable Safety relay 24 Vdc 24 Vdc Automatic Start Monitored Start The drawing shows the connection between the SAFEasy safety light curtain series and and the Type 4 safety relay of the SE SR2 series functioning in the automatic Restart mode left side and manual Restart with monitoring right side MODEL DESCRIPTION SE SR2 Type 4 safety relay 3 NO 1 NC SAFE asy 40
20. nder any circumstances use alcohol or solvents wool or synthetic cloths SF2 Series Instruction Manual 8 2 General information and useful data The safety devices fulfil their safety function only if they are correctly installed in accordance with the Standards in force If you are not certain to have the expertise necessary to install the device in the correct way DATASENSOR Technical Service is at your disposal to carry out the installation Auto regenerating type fuses are used Consequently in presence of a short circuit these fuses protect the device A power failure caused by interferences may cause the temporary opening of the outputs but the safe functioning of the light curtain will not be compromised 8 3 Warranty All appliances are under a 36 month warranty from the manufacturing date DATASENSOR will not be liable for any damages to persons and things caused by the non observance of the correct installation modes and device use The warranty will not cover damages caused by incorrect installation incorrect use and accidental causes such as bumps or falls In presence of failures send the both units to DATASENSOR S p A Sales Technical Service Tel 39 051 6765611 Fax 39 051 6759324 email service datasensor com SAFE cisy 32 Instruction Manual SF2 Series 9 TECHNICAL DATA Power supply Vdd 24 Vdc 20 SELV PELV Emitter consumption TX 50 mA max 1W Recei
21. o opaque objects are inside the controlled area SF2 Series Instruction Manual Verify that one of the following conditions is present on the RX unit SAFE CONDITION 1 The green LED SAFE is ON and the red LED BREAK is OFF Both yellow LEDs High ALIGN and Low ALIGN are OFF Aligned light curtain condition BREAK CONDITION 2 he green LED SAFE is OFF and the red LED BREAK is ON The status of the yellow LEDs is not relevant Non aligned light curtain condition Continue with the following steps to change from condition 1 to condition 2 A Keep the receiving unit in a steady position and set the emitting unit until the bottom yellow LED HIGH ALIGN is OFF This condition shows the effective alignment of the first lower beam B Rotate the emitting unit until the top yellow LED LOWH ALIGN is OFF In this condition the SAFE LED switches ON Note Ensure that the green light of the LED is ON and steady Delimit the area in which the SAFE LED is steady through some small adjustments Then place both units in the centre of this area e Fix the two units firmly using pins and brackets e Verify that the green LED is ON on the RX unit condition where the beams are free SAFE and verify that the same LED turns red if even one single beam is obscured condition where an object has been detected BREAK e t is important to do this check using the specific cylindrical Test Piece which pres
22. protection devices and are manufactured in accordance with the international Standards in force for safety in particular CEI EN 61496 1 2004 Safety of machinery electro sensitive protective equipment General requirements and test CEI IEC 61496 2 1997 Safety of machinery electro sensitive protective equipment Particular requirements for equipment using active opto electronic protective devices The device consisting in one emitting and one receiving unit housed inside strong aluminium profiles Fig 1 generates infrared beams that detect any opaque object positioned within the light curtain detection field The emitting and the receiving units are equipped with command and control functions no external control unit is required The connections are made through a M12 connector located in the lower side of the profile The synchronisation between the emitter and the receiver takes Fig 1 place optically i e no electrical connection between the two units is required Light curtain top side Light curtain low side SF2 Series Instruction Manual The microprocessors guarantee the check and the management of the beams that are sent and received through the units the microprocessors through some LEDs inform the operator about the general conditions of the light curtain and about eventual faults see section 7 Diagnostic functions During installation two yellow LEDs facilitate the alignment of bot
23. rfaces placed near the SAFEasy light curtains over under or laterally may cause passive reflections These reflections can compromise the recognition of an object inside the controlled area see Fig 8 DANGEROUS AREA reflecting surface reflecting surface Fig 8 However if the RX receiver detects a secondary beam reflected by the side reflecting surface the object might not be detected even if the object interrupts the main beam SAFEGSy lg Instruction Manual SF2 Series It is thus important to position the safety light curtain according to the minimum distance from any reflecting surface The minimum distance depends on e Operating distance between emitter TX and receiver RX e Maximum opening angle of the light beam sent by the safety light curtain in particular e 10 for ESPE Type 2 x 5 as to the optic axis The graphic in Fig 9 shows the data of the minimum distance 800 600 pe ESPE w Type 2 200 100 reflecting surface distance mm 0123 45 6 7 8 9 1011121314 15 16 operating distance m Fig 9 13 SAFEc SF2 Series Instruction Manual 2 2 3 Installation of several adjacent safety light curtains When several safety devices must be installed in adjacent areas it s necessary to prevent the interferences between the emitter of one device and the receiver of another Fig 10 gives an example of possible interferences between different device
24. rsion or Y manual RESTART version kk Resolution 30mm 50 mm 90 mm Instruction Manual SF2 Series 11 DIMENSIONS All the dimensions given are in mm MODEL Li SF2 30 015 PP SF2 kk 030 PP L2 SF2 kk 120 PP 1256 1176 SF2 kk 135 1403 403 393 0 323 SF2 kk 150 PP 1550 1470 kk Resolution 30mm 50 mm 90 mm Easy SF2 Series 12 ACCESSORIES Fixing brackets Also available MODEL Instruction Manual M4x10 D 66 GJ TE DESCRIPTION SI KSF2 Antiscratch fixing bracket kit 4 pcs SI KSTD Angled fixing bracket kit 4 pcs ST K4AV Antivibration support kit 4 pcs ST K6AV Antivibration support kit 6 pcs ST KAOR Orientable support kit 4 pcs ST K6OR Orientable support kit 6 pcs SAFE cisy 36 Instruction Manual SF2 Series Deviating mirrors MODELLO DESCRIZIONE Li mm SE DM 500 Deviating mirror H2 550 mm SE DM 600 Deviating mirror 700 mm 140 R4 5 n 4 slot S NS 1 5 R3 3 8 slot SAFE asy 37 SF2 Series Instruction Manual Columns and floor stands MODEL DESCRIPTION L mm SE S 800 Column and floor stand 800 mm 800 SE S 1000 Column and floor stand 1000 mm 1000 SE S 1500 Column and floor stand 1500 mm 1500 SE S 1800 Ground support H 1800 mm 1800 SE S 1200 Colu
25. s and two pertinent solutions LI TX RX YES TX Boo E YES gt gt gt gt e 5 DENEN 5 TX Sue Fig 10 Instruction Manual SF2 Series 2 2 4 Use of deviating mirrors The control of any dangerous area with several but adjacent access sides is possible using the linear version without integrated Muting sensors and well positioned deviating mirrors Fig 11 shows a possible solution to control three different access sides using two mirrors placed at a 45 angle respect to the beams RX EE 5 DANGEROUS 5 D3 AREA D1 j Mirror Mirror D2 Fig 11 The operator must respect the following precautions when using the deviating mirrors e The alignment of the emitter and the receiver can be a very critical operation when deviating mirrors are used Even a very small angular displacement of the mirror is enough to loose alignment e The minimum safety distance S must be respected for each single section of the beams e The effective operating range decreases by about 15 by using only one deviating mirror the percentage further decreases by using 2 or more mirrors for more details make reference to the technical specifications of the used mirrors e Do not use more than three mirrors for each device e The eventual presence of dust or dirt on the reflecting surface of the mirror causes a drastic reduction in the range
26. t 1 Kg max m of total height if a longer cable has to be used please verify that the same specifications are respected Electrical protection Class 1 Protective grounding Compulsory Notaccepted Symbol for connection protective grounding Compulsory Protection by means of extra low voltage with Recommended Compulsory protective separation SELV and PELV SF2 Series Instruction Manual 10 LIST OF THE AVAILABLE MODELS Model Length of the Length of the Number Response Resolution Operating 2 of time icd area mm area mm beams msec mm _5 2 30 015 PP 147 187 8 4 204 6 SF2 30 045 PP 441 481 24 16 SF2 30 060 PP 588 628 32 17 _SF2 30 075 PP 735 5 40 18 _SF2 30 105 PP 109 1069 56 20 SF2 30 120 PP 1176 1216 64 22 SF2 30 135 PP 1323 1363 72 23 _SF2 30 150 PP 1470 1510 80 24 _5 2 90 060 _ 588 628 17 Available models a x b mm h mm SF2 kk 030 PP ts kk 030 PP EDI E kk SF2 kk 045 PP PP SF2 kk 060 PP ts kk 060 PP E kk SF2 kk 075 PP PP SF2 kk 090 PP kk 090 PP EE kk SF2 kk 105 PP PP EI EE kk SF2 kk 120 PP PP E kk SF2 kk 150 PP 00 PP Xautomatic RESTART ve
27. urtain at sufficient height in order to completely cover the access to the dangerous area Fig 4b becomes necessary SAFE asy 8 Instruction Manual SF2 Series In normal operating conditions machine starting must not be possible while operators are inside the hazardous area When the installation of the safety light curtain very near to the dangerous area is possible a second light curtain must be mounted in a horizontal position in order to prevent any lateral access as shown in Fig 5b Fig 5a Fig 5b If the operator is able to enter the dangerous area and is not detected by the beams an additional mechanical protection must be mounted to prevent the access SAFE asy SF2 Series Instruction Manual 2 2 1 Minimum installation distance The safety device must be placed at a specific safety distance Fig 5 This distance must ensure that the dangerous zone cannot be reached before the dangerous motion of the machine has been stopped by the ESPE The safety distance depends on 4 factors according to the EN 999 775 and 294 Standards 1 Response time of the ESPE the time between the effective beam interruption and the opening of the OSSD contacts 2 Machine stopping time the time between the effective opening of the contacts of the ESPE and the real stop of the dangerous movement of the machine 3 ESPEresolution 4 Approaching speed of the object to be detected Fig 6 The following formula is
28. used for the calculation of the safety distance S K t t where S Minimum safety distance in mm K Speed of the object limb or body approaching the dangerous area in mm s t Response time of the ESPE in seconds see section 9 Technical data t2 Machine stopping time in seconds d Resolution of the system C 8 d 14 for device with resolution x 40mm 850 mm for device with resolution 40 mm Instruction Manual SF2 Series Note The value of K is 2000 mm s if the calculated value of S is lt 500 mm 1600 mm s if the calculated value of S is gt 500 mm When the dangerous area can be reached through the upper and lower sides of the machine where devices with gt 40 mm resolution are used the height of the uppermost beam shall be gt 900 mm H2 the height of the lowest beam shall be x 300 mm H1 If the safety light curtain must be mounted in a horizontal position Fig 7 the distance between the dangerous area and the most distant optic beam must be equal to the value calculated using the following formula 1600 mm s t t2 1200 0 4 H where S Minimum safety distance in mm t Response time of the ESPE in seconds see section 9 Technical data t Machine stopping time in seconds H Beam height from ground This height must always be less than 1000 mm 11 SAFE asy SF2 Series Instruction Manual 2 2 2 Minimum distance from reflecting surfaces Reflecting su
29. ver consumption RX 90 mA max without load 2 5 W Outputs 5 2 2 PNP output 2 NPN on request Short circuit protection max 1 4A at 55 min 1 2A at 0 C Output current for all loads 500 mA max on each output Output voltage ON min Vdd 1V Output voltage OFF max Leakage current 0 65 mA Response time 24ms on the maximum length see section 10 List of the available models Emission type Infrared 880 nm Resolution 30 mm hand protection SF2 30 50 mm presence control protection SF2 50 90 mm presence control protection SF2 50 Operating temperature 0 55 C Capacitive load pure 100 nF max Resistive load pure Humidity 15 95 no condensation Storage temperature 25 70 Electrical protection Class 1 see note Mechanical protection IP 65 EN 60529 Ambient light rejection IEC 61496 2 Vibrations 0 35 mm amplitude 10 55 Hz frequency 20 sweep for every axis 1octave min EN 60068 2 6 Operating distance 0 2 15 Safety range 2 Shock resistance 16 ms 10 G 1 000 shock for every axis EN 60068 2 29 Reference standards EN 61496 1 IEC 61496 2 Housing material Painted aluminium yellow RAL 1003 Connections M12 4 pole connector for TX a Spole connector tor RX Cable length 50m max at 100 nF capacitive load and Vcc 24V M12 conductors according to EN 50044 EN 60947 5 2 poles 32x0 1 mm external 5 mm Weigh
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