Pepperl+Fuchs SCLT14, Original Instructions Manual

Page 1: ...AOPD 3AA2 SLCT and SLCT 35 Safety Light Curtains FACTORY AUTOMATION ORIGINAL INSTRUCTIONS ...

Page 2: ...very for Products and Services of the Electrical Industry published by the Central Association of the Electrical Industry Zentralverband Elektrotechnik und Elektroindustrie ZVEI e V in its most recent version as well as the supplementary clause Expanded reservation of proprietorship SLCT and SLCT 35 safety light curtains ...

Page 3: ... Connection and Operating Mode Setting 22 4 4 1 Signal Outputs on the Receiver Unit 23 4 4 2 Signal Inputs on the Transmitter Unit 24 4 4 3 Signal Inputs on the Receiver Unit 25 4 4 4 Typical Circuits 27 5 Commissioning 28 5 1 Functional Testing 28 5 2 Multiple Positions 29 6 Maintenance and Repair 31 6 1 Maintenance 31 6 2 Periodic Checks 31 6 3 Repairs 32 7 Troubleshooting 33 7 1 Troubleshooting...

Page 4: ...h Round Rod 56 8 6 6 OMH 07 01 Mounting Bracket for Circular Profiles 56 8 6 7 OMH SLCT 100 xxxx Mounting Profile for Floor Mounting 57 8 6 8 OMH SLCT 110 xxxx Mounting Profile with Decorative Cover Front 57 8 6 9 OMH SLCT 120 xxx Lateral Protective Covers for Mounting Profile 57 8 6 10 OMH SLCT 200 Floor Mount for Soil Column Mounting Profile 57 8 6 11 SLCT M 01 xxxx Inclined Mirror for 90 Deflec...

Page 5: ...t Pepperl Fuchs products with functional safety see www pepperl fuchs com sil 1 2 Symbols Used This document contains symbols for the identification of warning messages and of informative messages Warning Messages You will find warning messages whenever dangers may arise from your actions It is mandatory that you observe these warning messages for your personal safety and in order to avoid propert...

Page 6: ... a paragraph with instructions You are prompted to perform an action or a sequence of actions Caution This symbol indicates a possible fault Non observance could interrupt the device and any connected systems and plants or result in their complete failure Note This symbol brings important information to your attention ...

Page 7: ...ty related applications observe the requirements for functional safety You can find these requirements in the functional safety documentation under www pepperl fuchs com Intended Use The device is only approved for appropriate and intended use Ignoring these instructions will void any warranty and absolve the manufacturer from any liability If you use the device in safety related applications obse...

Page 8: ... results of inspections and maintenance carefully Do not repair modify or manipulate the device If there is a defect always replace the device with an original device Only use accessories specified by the manufacturer Delivery Transport Disposal Keep the original packaging Always store and transport the device in the original packaging Disposing of device packaging and possibly contained batteries...

Page 9: ... the obstacle The function mode A B enables the use of 2 adjacent safety light curtains The receiver unit detects the transmission beams controls the two OSSD Output Signal Switching Devices safety outputs and carries out tests to ensure safety In addition to the displays behind the front panel of the receiver unit there is also a PNP output which indicates operational readiness a dirty lens or fa...

Page 10: ...n field grids 300 mm SLCT60 SLCT90 Selectable startup restart interlock Selectable relay monitor Simple layout Two OSSDs Further information about the product The following information about the SLCT series is provided in the appendix at the end of this document Technical data Available profile lengths dimensions see chapter 8 2 Dimensional drawings see chapter 8 3 Product characteristics by type ...

Page 11: ...e transmitter unit The mode can also be selected via the A B mode input No Designation LED Color Meaning 1 Power LED Green Transmitter and receiver units operating 2 A B mode status Yellow Indicator flashing at 1 Hz testing time exceeded or A B mode input level change Indicator flashing at 5 Hz internal fault 3 OSSD OFF Red OSSDs switched off 4 OSSD ON Green OSSDs switched on 5 Restart status Yell...

Page 12: ...pprox 2 3 MOhm 33 nF each at 24 V and 0 V Internal varistors limit any surges that occur at approx 85 V A separate grounding or connection between the housing and functional ground is not required Transmitter Figure 3 3 Pin assignment transmitter unit Receiver Figure 3 4 Pin assignment receiver unit 1 24 V DC 2 Mode A B 3 0 V DC 4 Test 1 Restart Interlock RI 2 24 V DC 3 Relaismonitor RM 4 Status S...

Page 13: ...elivery The scope of delivery includes Scope of delivery transmitter Transmitter Scope of delivery receiver Receiver I O Manual Test rod Bracket and cable are not included in the scope of delivery Visit www pepperl fuchs com for a selection of compatible fixing brackets and recommended cables ...

Page 14: ... 13855 Warning Danger to life due to ineffective protective equipment Improper or incorrect alignment fixing and connection to machine control can impair the effectiveness of the protective function Note the applicable standards guidelines and legal regulations for the equipment of machine and plants with protective equipment Position the protective equipment to prevent persons from being able to ...

Page 15: ...otection field aligned vertically to the hazardous area S Minimum safety distance in mm i e the distance between hazardous area and protection field K Constant in mm s for the speed of approach based on the detection capacity of the sensor T Total response time of the protective equipment in s T t1 t2 t1 Response time of the protective equipment See the table below t2 Machine lag time C Additional...

Page 16: ...LCT30 SLCT30 35 SLCT60 SLCT60 35 SLCT90 SLCT90 35 100 11 8 9 200 15 10 11 300 19 11 12 9 10 8 8 400 23 12 14 500 26 14 16 600 30 15 17 11 12 10 10 700 34 16 19 800 38 17 21 900 42 19 23 13 15 11 11 1000 46 20 25 1100 50 21 26 1200 54 23 28 15 17 12 12 1300 24 30 1400 25 32 1500 26 33 17 20 14 14 1600 28 35 1700 29 37 1800 30 38 19 23 15 15 1900 32 40 2000 33 42 2100 34 43 21 25 16 16 2200 35 45 23...

Page 17: ...ner that it is impossible to reach over reach under or walk behind the protection field If the distance from the protective equipment is too great additional protective equipment must be put in place see illustration below Reaching over The operator must not be able to reach over the protection field and into the hazardous area A protection field B mechanical protection Walking behind The machine ...

Page 18: ...ntained between the protection field and the hazardous area This distance will ensure that movements that pose a danger to a person can be brought to a stop before that person comes into contact with the source of danger The distance is calculated from the lag time of the machine the response time of the safety light curtain and the speed of movement of the person entering the hazardous area EN IS...

Page 19: ...t1 t2 C S 1600 mm s t1 t2 C S must be at least 500 mm Lower results must be corrected to a minimum distance of 500 mm Example vertical arrangement t1 50 ms t2 300 ms Hand protection C 128 mm S 2000 mm s 350 10 3 s 128 mm S 700 mm 128 mm 828 mm As S is 500 mm a smaller value can also be determined S 1600 mm s 350 10 3 s 128 mm 688 mm The minimum distance between protection field and danger zone mus...

Page 20: ...maximum height H must not exceed 1000 mm The safety distance is calculated as follows S 1600 mm s t1 t2 1200 mm 0 4 H Therefore 1200 mm 0 4 H 850 mm is required Distance S H height above ground Protective field Danger zone Danger Risk of death due to possibility to bypass the protective function If H is greater than 300 mm there is a risk that access underneath the safety light curtain will be pos...

Page 21: ...nnot be safely detected in the beams of the protective equipment When aligning the protective equipment ensure that the minimum distance to reflective objects or surfaces on all sides of the protection field is observed The required minimum distances are listed in the table in this documentation Do not operate the protective equipment if diffuse dispersive media are present Perform test rod tests ...

Page 22: ...art input is bridged with the status select output If the input is not connected the startup restart interlock is activated see chapter 4 4 4 Relay monitor operating mode The relay monitor monitors the switching positions of the downstream output relay If the switching position of the relay does not match the signal from the OSSDs the system switches to safe mode The status LED indicates that safe...

Page 23: ...artup enable can be activated in order to switch on the OSSD Internal or external faults and a dirty lens are also signaled at this output If an external fault occurs the output switches on and off at a frequency of 1 Hz The following faults may be the cause Relay monitor faulty Low supply voltage Short or crossed circuits at the OSSD outputs and Level change at the mode input during operation Int...

Page 24: ...inimum of 6 ms and a maximum of 18 ms A test input actuation time of fewer than 0 02 s or more than 2 4 s switches the transmitter unit to a fault state Figure 4 5 Graphs of the OSSD switching states when initiating a test or reset A B mode input If the input is open or connected to 0 V the safety light curtain operates in mode A The inputs must be connected to the supply voltage 24 VDC to switch ...

Page 25: ...nction If the start restart interlock should be deactivated the input must be bridged with the status select output An open input also activates the startup restart interlock The input signal time is monitored and the actuation time should be active for between 0 2 s to 1 2 s Note Make sure that the transmitter unit and receiver unit are operating in the same mode Note In the case of a fault the f...

Page 26: ...unction A B mode input If the input is open or connected to 0 V the safety light curtain operates in mode A The inputs must be connected to the supply voltage 24 VDC to switch to mode B After the supply voltage is switched on the transmitter or receiver selects mode A or mode B depending on the applied voltage Make sure that the transmitter and receiver are operating in the same mode If the level ...

Page 27: ...tor and without restart in Mode A 24 V 0 V Test Transmitter unit Receiver unit Restart Relay monitor Restart 24 V Relay monitor Status Select OSSD1 OSSD2 0 V Mode A B 24 V Mode A B 0 V Test K1 K2 K2 1 K1 1 1 2 3 4 5 6 7 8 1 2 3 4 Transmitter unit Receiver unit Restart 24 V Relaismonitor Status Select OSSD1 OSSD2 0 V Mode A B 24 V Mode A B 0 V Test 24 V 0 V Test Reset Error optional 1 2 3 4 5 6 7 8...

Page 28: ... of the switch off function of the safety light curtain and the response time of the safety function when a beam is interrupted 7 If you are using the startup restart interlock operating mode test whether the lock is enabled when the power is turned on and after the protection field is interrupted 8 Check the function of the test input when the protection field is clear by applying 24 V to the tes...

Page 29: ... you use several pieces of photoelectric protective equipment in your plant these may interfere with each other if positioned too close together The resulting malfunction may result in a failure to detect persons or objects or in OSSDs switching off unintentionally When using multiple items of photoelectric protective equipment ensure during the planning stage and before commissioning that cross t...

Page 30: ...irection The SLCT30 provides a continuous protection field that is divided into 2 security areas as a special feature Suitable devices for head to head mounting standard detection range resolution 30 mm 60 mm or 90 mm and protection field height of maximum 1200 mm per strip The height of the continuous protection field can therefore reach a maximum of 2400 mm Figure 5 2 Head to head layout Note Th...

Page 31: ... the protection field inside the protection field range using the test rod A test rod with a suitable obstacle size must be used 5 Check the entire protection field at several points parallel to the transmitter or receiver in particular in front of the transmitter and receiver and in the center between the transmitter and receiver to find any detection gaps caused by reflective surfaces The OSSD o...

Page 32: ...ice Warning Danger to life due to missing safety functions If the protective equipment is not taken into account when checking the safety functions of the whole plant it is possible that it may no longer function safely together with the other components The protective equipment must be included in any general checks on machine safety functions This includes checking for proper alignment and insta...

Page 33: ...ional safety of the affected machine or plant is impaired as a consequence Decommission the affected machine or plant and the sensor system and secure them to prevent recommissioning Replace the defective device with an original device from Pepperl Fuchs Send the defective device to Pepperl Fuchs with a description of the fault Warning Danger to life as the result of an absence of functional inspe...

Page 34: ...restart button for approx 1 5 s If the error occurs again send for repair Receiver Status indicator flashes at 2 5 Hz insufficient functional reserve Clean the front panels adjust the transmitter and receiver Receiver Status indicator flashes at 1 Hz External error a Relay monitor error b Low voltage c A B mode input error d OSSD error a Check relay monitor connection b Check the supply voltage c ...

Page 35: ... can be disabled Startup restart interlock can be disabled Detectable obstacle size resolution SLCT14 14 mm SLCT30 30 mm SLCT60 60 mm SLCT90 90 mm SLCT30 30 mm SLCT60 60 mm SLCT90 90 mm Opening angle 5 5 Ambient light limit Immune to ambient light conforming to IEC 61496 2 Immune to ambient light conforming to IEC 61496 2 SLCT Standard detection range SLCT 35 Increased detection range Operating in...

Page 36: ...ver unit 150 mA outputs open Power consumption Transmitter unit 5 W Receiver unit 15 W Transmitter unit 5 W Receiver unit 15 W Protection class III IEC 61140 III IEC 61140 SLCT Standard detection range SLCT 35 Increased detection range Transmitter unit test Input format NC contact NC contact Switching voltage 24 VDC acting on the contact 24 VDC acting on the contact Input current 5 mA 5 mA Actuati...

Page 37: ... V Switching current max ON max 0 1 A OFF 5 µA ON max 0 1 A OFF 5 µA Load inductance max 1 0 H 1 0 H Load capacitance max 220 nF 220 nF Note The outputs are permanently monitored by short max 120 µs sampling pulses You must ensure that this has no effect on the downstream circuit The outputs are permanently monitored by short max 120 µs sampling pulses You must ensure that this has no effect on th...

Page 38: ...connector plug M12 x 1 8 pin Cable cross section min 0 25 mm2 Cable length max 50 m Material Housing Extruded aluminum profile silver anodized Extruded aluminum profile silver anodized Optical face Plastic disk clear polycarbonate Plastic disk clear polycarbonate Weight See chapter 8 2 See chapter 8 2 Note For unlisted versions the next largest protection field height specified in the table applie...

Page 39: ...rotection field height specified in the table applies when the resolution of the PFHd value is the same Functional safety EN ISO 13849 1 EN 61508 part1 4 Product standard EN 61496 1 IEC 61496 2 CE conformity CE UL approval cULus Listed UL File Number E215245 CCC approval Products with a maximum operating voltage of 36 V are not subject to approval and are therefore not assigned a CCC marking TÜV a...

Page 40: ...600 1000 1119 650 1100 1219 710 1200 1319 760 1300 1425 820 1400 1525 880 1500 1625 940 1600 1725 990 1700 1825 1050 1800 1925 1100 1900 2025 1160 2000 2125 1210 2100 2225 1270 2200 2325 1320 2300 2425 1380 2400 2525 1440 Protection field height mm Overall length of the transmitter receiver unit mm Weight of transmitter receiver unit g ...

Page 41: ...ith protection field height 1200 mm SLCT30 SLCT60 SLCT90 with protection field heights 1300 mm Figure 8 3 Dimensions of the safety light curtain at 1300 mm 8 4 Type Code Safety light curtains from the SLCT series are designated a code according to the following format S L C T XX YYYY Z AAAA 35 Here XX represents the obstacle size YYYY the protection field height Z the device type i e transmitter T...

Page 42: ...00 T R No specification Standard Increased detection range 35 Protection field height mm Complete Transmitter unit T Receiver unit R 100 SLCt14 100 SLCT14 100 T SLCT14 100 R 200 SLCT14 200 SLCT14 200 T SLCT14 200 R 300 SLCT14 300 SLCT14 300 T SLCT14 300 R 400 SLCT14 400 SLCT14 400 T SLCT14 400 R 500 SLCT14 500 SLCT14 500 T SLCT14 500 R 600 SLCT14 600 SLCT14 600 T SLCT14 600 R 700 SLCT14 700 SLCT14...

Page 43: ... 800 R 900 SLCT30 900 SLCT30 900 T SLCT30 900 R 1000 SLCT30 1000 SLCT30 1000 T SLCT30 1000 R 1100 SLCT30 1100 SLCT30 1100 T SLCT30 1100 R 1200 SLCT30 1200 SLCT30 1200 T SLCT30 1200 R 1300 SLCT30 1300 SLCT30 1300 T SLCT30 1300 R 1400 SLCT30 1400 SLCT30 1400 T SLCT30 1400 R 1500 SLCT30 1500 SLCT30 1500 T SLCT30 1500 R 1600 SLCT30 1600 SLCT30 1600 T SLCT30 1600 R 1700 SLCT30 1700 SLCT30 1700 T SLCT30...

Page 44: ...T 35 SLCT30 900 R 35 1000 SLCT30 1000 35 SLCT30 1000 T 35 SLCT30 1000 R 35 1100 SLCT30 1100 35 SLCT30 1100 T 35 SLCT30 1100 R 35 1200 SLCT30 1200 35 SLCT30 1200 T 35 SLCT30 1200 R 35 1300 SLCT30 1300 35 SLCT30 1300 T 35 SLCT30 1300 R 35 1400 SLCT30 1400 35 SLCT30 1400 T 35 SLCT30 1400 R 35 1500 SLCT30 1500 35 SLCT30 1500 T 35 SLCT30 1500 R 35 1600 SLCT30 1600 35 SLCT30 1600 T 35 SLCT30 1600 R 35 1...

Page 45: ...eight mm Complete Transmitter unit T Receiver unit R 300 SLCT60 300 35 SLCT60 300 T 35 SLCT60 300 R 35 600 SLCT60 600 35 SLCT60 600 T 35 SLCT60 600 R 35 900 SLCT60 900 35 SLCT60 900 T 35 SLCT60 900 R 35 1200 SLCT60 1200 35 SLCT60 1200 T 35 SLCT60 1200 R 35 1500 SLCT60 1500 35 SLCT60 1500 T 35 SLCT60 1500 R 35 1800 SLCT60 1800 35 SLCT60 1800 T 35 SLCT60 1800 R 35 2100 SLCT60 2100 35 SLCT60 2100 T 3...

Page 46: ...0 300 35 SLCT90 300 T 35 SLCT90 300 R 35 600 SLCT90 600 35 SLCT90 600 T 35 SLCT90 600 R 35 900 SLCT90 900 35 SLCT90 900 T 35 SLCT90 900 R 35 1200 SLCT90 1200 35 SLCT90 1200 T 35 SLCT90 1200 R 35 1500 SLCT90 1500 35 SLCT90 1500 T 35 SLCT90 1500 R 35 1800 SLCT90 1800 35 SLCT90 1800 T 35 SLCT90 1800 R 35 2100 SLCT90 2100 35 SLCT90 2100 T 35 SLCT90 2100 R 35 2400 SLCT90 2400 35 SLCT90 2400 T 35 SLCT90...

Page 47: ...CT used indoors After installation Is the startup enable input connected when the startup restart interlock is activated Is the ready to start signal lamp connected Is the test input connected Is the red green indicator for signaling the status of the OSSD outputs in a visible location Are all components correctly connected Has the SLCT been positioned so that the protection field cannot be bypass...

Page 48: ...ts and test intervals been determined Is the detection capability of the SLCT tested regularly over the entire protection field height using the test rod Are the response times checked at regular intervals Is all machine safety equipment inspected at the required intervals Are all inspections documented ...

Page 49: ...ries The following products are available as accessories Matching accessories for safety light curtains No Designation Illustration Description 1 OMH SLCT 01 Mounting Aid 2 OMH SLCT 02 Mounting Aid 3 OMH SLCT 03 Mounting Aid 4 OMH SLCT 04 Mounting Aid 5 OMH SLCT 05 Mounting Aid ...

Page 50: ...LCT 35 safety light curtains Appendix 6 OMH SLCT 10 Mounting Aid 7 OMH SLCT 11 Mounting Aid 8 OMH SLCT 12 500 Muting arm with round rod 9 OMH 07 01 Light barrier holder for muting round rod No Designation Illustration Description ...

Page 51: ...d SLCT 35 safety light curtains Appendix 271695 2017 12 51 10 OMH SLCT 100 1200 Mounting profile for floor mounting OMH SLCT 100 1500 OMH SLCT 100 2100 OMH SLCT 100 2500 No Designation Illustration Description ...

Page 52: ...12 52 SLCT and SLCT 35 safety light curtains Appendix 11 OMH SLCT 110 1200 Mounting profile with decorative cover front OMH SLCT 110 1500 OMH SLCT 110 2100 OMH SLCT 110 2500 No Designation Illustration Description ...

Page 53: ...ix 271695 2017 12 53 12 OMH SLCT 120 1200 Two lateral protective covers for mounting profile OMH SLCT 120 1500 OMH SLCT 120 2100 OMH SLCT 120 2500 13 OMH SLCT 200 Floor mount for soil column mounting profile No Designation Illustration Description ...

Page 54: ...35 safety light curtains Appendix 14 SLCT M 01 1200 Inclined mirror for 90 deflection SLCT M 01 1500 SLCT M 01 2100 SLCT M 01 2500 15 AA SLCT 01 Profile alignment aid 16 TR 14 30 50 60 Test rod No Designation Illustration Description ...

Page 55: ...unting aids that grip the dovetail guide Dovetail guides are located on three sides of the profile When mounting and aligning the unit avoid subjecting the profile to mechanical tension A minimum of two mounting aids must be used to secure the transmitter and receiver unit If vibrations or shocks are expected we recommend attaching mounting aids at intervals of 500 mm 8 6 2 Mounting Aid OMH SLCT 0...

Page 56: ...e mounting aid OMH SLCT 03 can also be used to connect 2 safety light curtains or safety light grids If the mounting aid is to be used for this application the metal bracket should be removed 8 6 4 Mounting Aid OMH SLCT 05 Model number OMH SLCT 05 The OMH SLCT 05 mounting aid is a robust swiveling holder with very large pivoting range The integrated dovetail groove terminal device enables the moun...

Page 57: ...hree on the inside and five on the outside Corner mounting of photoelectric sensors with a directional difference of 90 Cover prepared for indicator light mounting Rear panel prepared for 3 sensors and 6 cable glands 8 6 9 OMH SLCT 120 xxx Lateral protective covers for mounting profile Lateral protection for the OMH SLCT 100 and OMHSLCT 110 mounting bases 8 6 10 OMH SLCT 200 Floor mount for soil c...

Page 58: ...glass Mirror glass with low light absorption Up to Ø 48 mm pencil of rays in the plane of incidence 8 6 12 Alignment aid Order code AA SLCT 01 The transmitter and receiver should always be aligned at the same height in parallel to one another The AA SLCT 01 alignment aid with bubble level assists the perpendicular alignment of the profile The AA SLCT 01 alignment aid is simply clipped into the gro...

Page 59: ...ight curtain At regular prescribed intervals the protection field must be tested at different points over its entire height in front of the transmitter and receivers and in the center between the transmitter and receiver and the results must be documented The receiver of every safety light curtain comes with a test rod 230 mm in length The rod is suitable for checking the detection capability of l...

Page 60: ...tion cables are not included in the scope of delivery of a safety light curtain Connection cable for safety light curtains The specified cables are UL certified and marked accordingly Use Model number Length 2 m Length 5 m Length 10 m 4 pin cable transmitter V1 G BK2M PUR UL V1 G BK5M PUR UL V1 G BK10M PUR UL 8 pin cable receiver V19 G BK2M PUR V19 G BK5M PUR V19 G BK10M PUR ...

Page 61: ... GmbH 68307 Mannheim Germany Tel 49 621 776 0 E mail info de pepperl fuchs com USA Headquarters Pepperl Fuchs Inc Twinsburg Ohio 44087 USA Tel 1 330 4253555 E mail sales us pepperl fuchs com Asia Pacific Headquarters Pepperl Fuchs Pte Ltd Company Registration No 199003130E Singapore 139942 Tel 65 67799091 E mail sales sg pepperl fuchs com 271695 DOCT 3848A 12 2017 ...