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GuardShield™ Safe 4 and Safe 4 PAC Safety Light Curtains

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1. Category Type 4 P Pair T Transmitter R Receiver Bulletin Number B Allen Bradley l Cuaird irate Original instructions 21 GuardShield Safe 4 Safety Light Curtain User Manual Dimensional Drawings mm in System with integrated controller LA A B 1 ji 5 Protective Height Profile Length i Type mm in mm in i 1 38 yp 445L P4 0120YD 120 4 7 290 11 4 i 14 75 445L P4 0240YD 240 9 4 410 16 1 ib 0 58 145 445L P4 0360YD 360 14 2 530 20 9 kaarmmert 6 71 5 445L P4 0480YD 480 18 9 650 25 6 20 10 mofiule 8 la er s 445L P4 0600YD 600 23 6 771 30 4 0 79 0 39 e H e 445L P4 0720YD 720 28 3 891 35 1 T 8 445L P4 0840YD 840 33 1 1011 39 8 a eee 5 445L P4 0960YD 960 37 8 1131 44 3 j g c 2 445L P4 1080YD 1080 42 5 1252 49 3 TG 2 445L P4 1200YD 1200 47 2 1372 54 0 1 tel a lol ib 1475 gt 445L P4 1320YD 1320 52 1492 58 7 0 58 445L P4 1440YD 1440 56 7 1612 63 5 1 Frou 25 4451 P4 1560YD 1560 61 4 1733 68 2 lager L 0 98 4451 P4 1680YD 1680 66 1 1853 72 9 1 40 3 445L P4 1800YD 1800 70 9 1973 77 6 30 1 56 0 12 1 18 445L P4 1920YD 1920 75 6 2093 82 3 For14mm resolution replace with an L For 30 mm resolution replace with an
2. circuited 9 No connection to a conventional power supply 10 If two or more GuardShield Safe 4 are to be used make sure that each system is properly installed in order to avoid optical interference Switch the GuardShield Safe 4 on and check its function by observing the following Two seconds after switching on the system starts to work properly if the protection field is free of obstructions Safety Instructions Maintenance Maas Never operate the GuardShield Safe 4 before carrying out the following inspection Improper inspection may lead to serious injury Note 1 For safety reasons all inspection results should be recorded 2 Only persons who clearly understand the functioning of the GuardShield Safe 4 and of the machine may carry out an inspection 3 Ifinstaller planning engineer and operator are different people make sure that the user has sufficient information available to carry out the inspection B Allen Bradley L Cuaird irate GuardShield Safe 4 Safety Light Curtain User Manual Daily Inspection 1 Approach to hazardous machine parts must only be possible by passage through the protective field of GuardShield Safe 4 2 Operators cannot step through the sensing area while working on dangerous machine parts 3 The safety distance of the application is bigger than the calculated value 4 The optic front cover is neither scratched nor dirty Operate the
3. GuardShield Safe 4 Safety Light Curtain User Manual Tvpical Wiring Diagrams Safe 4 or Safe 4 PAC Connection with Guardmaster SI Safetv Relav 24V DC 445L P4S0800YD ki BRN 1 1 BRN gt BLK BLK K2 Test A gt 4 Contact WHT 2 2 WHT LI E2 L3 pet 5 5 GRY Reset ki gt 800FM KI O FF F BLU BLU F3MX10 3 3 r S11 S12 A1 S34 13 23 Mating Cable 2 K2 A l 5 reset 0 XX jumper required an for normal 440R S12R2 a operation MM S21 S22 A2 L11 Y32 14 24 M K1 K2 1005 C43DJ404BC Aux ov Figure 16 Safe 4 to Guardmaster SI safety relay manual reset 24V 445L P4S0800YD 1 Brown White OSSD2 Black OssD1 Test 4 Contact Grey A1 S11 52 12 13 23 33 41 sH LI i L3 MSR127TP as ae Ge kik l 7 iBlue 440R N23132 SAAN 7 we 7 7 7 l Mating Cable 2 S21 S22 S34 A2 14 24 34 42 Jumper required for normal operation Fr E S 2 E Figure 17 Safe 4 or Safe 4 PAC for manual reset mode using MSR127TP safety relay module Allen Bradley e 14 Original instructions Guard inate GuardShield Safe 4 Safety Light Curtain
4. Without 445L 103001 0235 Without 445L 103001 0236 With 445L 103001 0237 With 445L 103001 0239 With 445L 103001 0238 With 445L 103001 0240 With 445L 103001 0241 With 445L 103001 0242 With 445L 103001 0243 With 445L 103001 0244 With 445L 103001 0245 B Allen Bradley l Gacidtmenet e gt A A SS SE SY SY SY SO BY BY BY BS BS BS BS B Original instructions Wit 33 GuardShield Safe 4 Safetv Light Curtain User Manual EC Declaration of Conformitv The undersigned representing the manufacturer and the authorised representative established within the Community Rockwell Automation Inc Rockwell Automation BV 1201 South Second Street Rivium le Straat 23 Milwaukee WI 53204 2909 LE Capelle aan den IJssel USA Netherlands Herewith declare that the Products Safe4 Safety Light Curtains Product identification brand and Allen Bradley GuardShield 4ASL Series catalogue number part number reference the attached list of catalogue numbers Product Safety Function Safed safety light curtains are Type 4 active opto electronic protective devices A OPD with resolutions of 14mm and 30mm PAC They are cascadeable and can be used in applications up to Safety Category 4 EN 954 1 SIL3 SIL CL3 EN 61508 EN 62061 and PL e ENISO 13849 1 are in conformity with the essential requirements of the following
5. Safety Outputs Auxiliary Outputs Reset Type Power Supply Cat No MSR127RP 3N 0 1N C Removable Screw Monitored Manual 24V AC DC 440R N23135 MSR127TP 3 N 0 1N C Removable Screw Auto Manual 24V AC DC 440R N23132 MSR126 2N 0 None Fixed Auto Manual 24V AC DC 440R N23117 Modular Safety Relays MSR210P Base 2 N C only 2N 0 TNC anz eNe Solid Removable Auto Manual or Monitored Manual 24VDC eh base 440R H23176 MSR220P Input Module Removable 24V DC 440R H23178 MSR310P Base DAE Modes 3 PNP Solid State Removable Auto Manual Monitored Manual 24V DC 440R W23219 MSR320P Input Module 2 PNP Solid State Removable 24V DC from the base 440R W23218 Muting Modules MSR22LM 2N 0 INC Removable Auto Manual 24V DC 440R P23071 MSR42 also requires optical Interface 445L AF6150 for 2PNP 2 PNP configurable Removable Auto Manual or manual monitored 24V DC 440R P226AGS NNR GuardShield Safe 4 configurations Optional accessories Description Cat No Standard kit 4 pieces supplied with each pair 445L AF6140 af 180 Adjustable kit two kits required per pair 445L AF6141 Qe Sba N gt Shock Mount Kit two kits required per pair of light curtains AASI ARG 42 Vertical mounting kit two kits required per pair 445L AF6144 24 Original instructions Allen Bradley e Guard inate GuardShield Safe 4 Safety Light Curtain User Manual
6. 29 5 4 0 445L P4L0840YD 445L T4L0840YD 445L R4L0840YD 14 0 55 840 33 1 42 2 ms 9 29 5 44 445L P4L0960YD 445L T4L0960YD 445L R4L0960YD 4 0 55 960 37 8 47 5 ms 9 29 5 48 4451 P4L1080YD 445L T4L1080YD 445L R4L1080YD 4 0 55 1080 42 5 52 8 ms 9 29 5 5 1 MASL PAL1200VD MASL TALT200VD 445L R4L1200YD 4 0 55 1200 47 2 58 1 ms 9 29 5 5 9 MASL PAL1320VD 4451 T4L1320YD 445L R4L1320YD 4 0 55 1320 52 63 4ms 9 29 5 63 445L P4L1440YD 445L T4L1440YD 445L R4L1440YD 14 0 55 1440 56 7 68 7 ms 9 29 5 6 7 445L P4L1560YD 445L T4L1560YD 445L RAL1560YD 14 0 55 1560 61 4 74ms 9 29 5 7 0 445L P4L1680YD 445L T4L1680YD 445L R4L1680YD 4 0 55 1680 66 1 79 3 ms 9 29 5 7 5 445L P4L1800YD 445L T4L1800YD 445L R4L1800YD 4 0 55 1800 70 9 84 6 ms 9 29 5 7 8 445L P4L1920YD 445L T4L1920YD 445L R4L1920YD 14 0 55 1920 75 6 85 5 ms 9 29 5 8 6 Standard GuardShield Safe 4 with Integrated Laser Alignment System 30 mm Resolution 0 18 m 0 59 ft Range of Operation Resolution Protective Heights Range Weight per pair Light Curtain Pair Transmitter Receiver mm in mm in Response Time m ft kg 445L P450120YD 4451 1450120YD 4451 R4S0120YD 0 1 18 120 4 7 7 9 ms 0 18 59 19 445L P4S0240YD 4451 1450240YD MASL RASO240VD 0 1 18 240 9 5 10 5 ms 18 59 22 445L P4S0360YD 445L 1450360YD 4451 R4S0360YD 30 1 18 360 14 2 13 2 ms 18 59 2 6 445L P4S0480YD 4451 1450480YD 4451 R4S0480YD 30 1 18 480 18 9 15 8 ms 18 59 3
7. Mirror 440L AM075 Mirror 440L AM125 8x13 Section A 50 1 96 I 6 5 f gO sem H 164 6 45 ox 10 5 0 41 on n 1 l 6 IT MIN ILI T l l I j i A A i i l l bi La ta L jiem oe ao Ls L i i 340 396 134 15 60 A B H H 372 440 14 64 17 32 1 i 7105 7 Ti 0 41 i ince 0 17 of 0 Tes 0 25 Sentin i 123 4 84 TA ee an HI nee ane NL UI 6 iW L 9 50 xl 1 96 1 96 Model No Series Description L lgs A B 8X13 440L AM0750300 A Mirror 300mm 4m 396 340 372 440 Signe fess eae PL lie le le 440L AM0750450 A Mirror 450 mm 4m 546 490 522 590 Model No Series Description S 440L AM0750600 A Mirror 600 mm 4 m 696 640 672 740 440L AM1250300 A Mirror 300 mm 15 m 396 340 372 440 440L AM0750750 A Mirror 750 mm 4m 846 790 822 890 440L AM1250450 A Mirror 450 mm 15 m 546 490 522 590 440L AM0750900 A Mirror 900 mm 4m 996 940 972 1040 440L AM1250600 A Mirror 600mm 15m 696 640 672 740 440L AM0751050 A Miror 1050mm 4m 1146 11090 1122 11180 440L AM1250750 A Mirror 750mm 15m 1846 790 822 890
8. 176 6 93 16 Total Length B 0 63 Protective Height A o ca 250 9 84 80 3 15 15 0 59 dia R min 17 0 67 SS ed 35 1 38 min Figure 28 Dimensional drawing for systems with separated controller dimensions transmitter dimensions receiver The profile length for systems without ILAS is reduced for 2 x 25 mm For lengths A and B see table on page 33 B Allen Bradley l Original instructions 31 Cuaird irate GuardShield Safe 4 Safety Light Curtain User Manual Special Svstems The part 445L 103005 1002 has six active fields with resolution 30 mm separated with passive zones This light curtain is designed for a customer specific machine application Ctrl e ll DI E E Ctri e IM SS E LI Figure 31 GuardShield Safe 4 with passive zones 445L 103005 0036 Active 240 mm Active 240 mm Active 240 mm Resolution 30 mm Resolution 30 mm Resolution 30 mm 120 mm ILAS Passive 310 mm Passive 310 mm ILAS 25 mm 25 mm Active 240 mm Active 240 mm Active 240 mm Resolution 30 mm Resolution 30 mm Resolution 30 mm 120 mm ILAS Passive 310 mm Passive 310 mm ILAS 25mm 25 mm Figure 29 GuardShield Safe 4 with passive zones 445L 103005 1002 Technical data of svstems not shown here are mentioned in the appendix or are visible on the data labels of the corresponding svstems 32 Original instructions Allen Bradley
9. 440L AM0751200 A Mirror 1200mm 4m 1296 1240 1272 1340 Z40L AM1250900 AT wiror 900 mm15m 1996 1 940 1972 T1040 ee Miror 1380mm 4m ee ee we ee 440L AM1251050 A Mirror 1050 mm 15m 1146 1090 1122 1790 Rae te tne nar Hoar Haas 440L AM1251200 A __ Mirror 1200 mm 15m 1296 1240 1272 1340 740L AM0751800 T Mirror 1800 A 1896 11840 11872 11940 440L AM1251350 A Mirror 1350 mm 15m 1446 1390 1422 1490 i i 440L AM1251500 A Mirror 1500 mm 15m 1596 1540 1572 1640 440L AM1251650 A Mirror 1650 mm 15 m 11746 1690 1722 1790 440L AM1251800 A Mirror 1800 mm 15m 11896 1840 1872 1940 B Allen Bradley l Original instructions 25 Guard Imartef GuardShield Safe 4 Safety Light Curtain User Manual Corner Mirror for Multi Sided Guarding Specially constructed glass mirrors for 2 and 3 sided safeguarding Note Each mirror reduces maximum scan range by 10 per mirror Each corner mirror supplied with two end cap mounting brackets applications GuardShield Safe 4 Light Protected Height Narrow Mirror Short Mirror Height Wide Mirror ror rong Range Mirror Height mm in Range 0 4m mm in 15m mm in Cat No 120 240 4 7 9 4 300 11 8 440L AM0750300 440L AM1250300 360 14 2 450 17 7 440L AM0750450 440L AM1250450 480 19 600 23 6 440L AM075060
10. 6 2 Generic standards Immunity for industrial environments Conformance of a type sample belonging to the above mentioned product family with the regulations from the EC Machinery Directive has been certified by TUV Rheinland Industrie Service GmbH EC Type Examination Alboinstrasse 56 Registration No 01 205 055 1 09 12103 Berlin Germany Report No 968 M203 02 09 Manufacturer Authorised Representative in the Community M Signature Signature Name Daniel L Nachtigall Name Viktor Schiffer Position Supv Product Certification Engineering Position Engineering Manager Date 25 Mar 2011 Date 28 Mar 2011 Document Control Number SEN 0392 C EN 1 3 FET A f 34 Original instructions w Allen Bradley Guard inate GuardShield Safe 4 Safety Light Curtain User Manual Catalogue number Description 445L x4xxYD GuardShield Safe4 safety light curtain per Nomenclature 44SL Ixxxxxx xxxx GuardShield Safe4 safety light curtain per Nomenclature 4ASL Ixxxxxx GuardShield Safe4 safety light curtain per Nomenclature 445L R4S2500YD GuardShield Safe4 PAC receiver 30 mm resolution 2 beam 500 mm spacing 445L T482500YD GuardShield Safe4 PAC transmitter 30 mm resolution 2 beam 500 mm spacing 44SL P4S2500VD GuardShield Safe4 PAC receiver transmitter pair 30 mm resolution 2 beam 500 mm spacing 445L R4S3400YD GuardShield Safe4 PAC receiver 30 mm resolution 3 beam 400 mm spacing 445L T483400YD GuardShield Safe4 PAC transmitter 30 m
11. BE BE Ba 17 Six Month Inspection 0 e ee 17 L l A 18 Date Code and Label LL L ccc ce cence e eee e ee ees 18 Technical Specifications sssrinin oi sin aa noesae tiene ace 19 Catalog Number Configuration s eee eee 21 Dimensional Drawings wissiena scien Sade Reva ki 22 Appendix oon ene nc 27 GuardShield Safe 4 Specials L 27 Introduction n nterna 27 Svstems without an Integrated Laser Alignment Svstem 27 Systems with Connector Cap 0 0 e ee 28 Cascaded System issssviatut ear ke ai age ea 29 Systems with Separated Controller 6 29 Special Systems iii i i e BE STA EER EE Bla 32 Part List Safe 4 Specials oss cia rierien ir inna veces 33 Certificate xs dis is ke aa a a seas ee a isinen 34 EC Declaration of Conformitv cece eee eee 34 2 Original instructions ey Allen Bradley Guaidimarter Introduction The GuardShield Safe 4 familv of safetv light curtains are general purpose presence sensing devices designed for use on hazardous machinerv providing point of operation POC as well as perimeter access PAC detection It isa self contained two box Type 4 ESPE Electro Sensitive Protective Equipment The GuardShield Safe 4 is offered in a number of configurations based on a standard Type 4 safety light curtain platform In addition to the standard GuardShield Safe 4 POC and Safe4 PAC the GuardShield Safe 4 are offered in special configurations described in the appendix
12. EC Directive s when installed in accordance with the installation instructions contained in the product documentation 2006 42 EC Machinery Directive 2004 108 EC EMC Directive and that the standards and or technical specifications referenced below have been applied EN 61496 1 2004 41 2008 Safety of machinery Electro sensitive protective equipment Part 1 General requirements and tests IEC 61496 2 2006 Safety of machinery Electro sensitive protective equipment Part 2 Particular requirements for equipment using active opto electronic protective devices AOPD EN ISO 13849 1 2008 Safety of machinery Safety related parts of control systems Part 1 General principles for design EN 61508 Parts 1 7 1998 2000 Functional safety of electrical electronic programmable electronic safety related systems EN 954 1 1997 Safety of machinery Safety related parts of control systems Part 1 General principles for design EN 50178 1997 Electronic equipment for use in power installations EN 62061 2005 Safety of machinery Functional safety of safety related electrical electronic and programmable electronic control systems EN 60204 1 2006 Safety of machinery Electrical equipment of machines General requirements EN 61000 6 4 2007 Electromagnetic compatibility EMC Part 6 4 Generic standards Emission standard for industrial environments Class A EN 61000 6 2 2005 Electromagnetic Compatibility EMC Part
13. S 0 18 m For 30 mm resolution replace with an X 5 30 m Figure 20 The profile length for systems without ILAS is reduced for 2x25 mm e Allen Bradle 22 Original instructions oe Guard inate 120 4 72 ep 120 SI 472 af 240 810 5 770 45 31 91 ef 360 14 17 1051 We 120 41 38 S 4 72 ep 120 8 240 Sj 472 8 9 45 2 i 4 29 9 0 16 1 18 g 120 SI 4 72 al 299 0 16 1 18 Figure 21 Safe 4 PAC two beam three beam and four beam Female Connector End 11 45 Face View of Female Connector Style Straight Female Nonshielded Pin Wire Color GuardShield Safe 4 Safety Light Curtain User Manual Straight Female Shielded Table 3 Cordsets Transmitter and receivers both use 5 pin M12 cordsets B Allen Bradley L Cuaird irate Original instructions 1 Brown 2 White 3 Blue 4 Black 5 Grey Length m ft Cat No 2 6 56 889D F5AC 2 5 16 4 889D F5AC 5 32 8 889D F5AC 10 49 2 889D F5AC 15 65 6 889D F5AC 20 98 4 889D F5AC 30 6 56 889D FSEC 2 16 4 889D F5EC 5 32 8 889D F5EC 10 49 2 889D F5EC 15 65 6 889D F5EC 20 98 4 889D F5EC 30 23 GuardShield Safe 4 Safetv Light Curtain User Manual Required Logic Interfaces Description Single Function Safety Relays for 2 N C Contact Switch
14. at the back of this instructions IMPORTANT These installation instructions are designed to address the technical personnel of the machine manufacturer and or the installer of the safety system regarding the proper mounting configuration electrical installation commissioning operation and maintenance of the GuardShield Safe 4 safety light curtain These installation instructions do not provide instruction for the operation of machinery to which the GuardShield Safe 4 safety light curtain is or will be integrated Only qualified personnel should install this equipment Safety Precautions Principles for Safe Use and Symbols Used The following instructions are preventive warnings to ensure the safe and proper operation of the GuardShield Safe 4 light curtains These instructions are an essential part of the safety precautions and therefore have to be observed at any time Throughout this manual we use the labels ATTENTION and IMPORTANT to alert you to the following ATTENTION l i Failure to observe may result in dangerous operation ATTENTION Identifies information about practices of circumstances that can lead to personal injury or death property damage or economic loss ATTENTION helps you e Identify a hazard e Avoid a hazard e Recognize the consequences IMPORTANT Identifies information that is especially important for successful application and understanding of the product B Allen Bradley e Cuaird
15. be connected to a grounded conductor PE e The maximum deviation of the voltage levels is 24V DC 20 Double insulation This part of the insulation provides supplementary insulation against hazardous voltage levels Output pink Basic insulation Basic insulation and grey m a Guard Shield 2 L Motor etc Hazardous voltage level Reinforced Basicinsulation lime LQ 1LQJ insulation Hazardous Hazardous voltage level voltage level amp ki AGE Allen Bradley Original instructions 11 Cuaird irate GuardShield Safe 4 Safety Light Curtain User Manual Cables Connectors The GuardShield Safe 4 transmitter and receiver connectors are S pin M12 quick disconnect connectors Shielded and nonshielded cordsets are offered in lengths from 2 to 30 meters Pin5 PE Pin 3 0V Pin 2 Test 2 Transmitter Pin 4 Testi Pin 1 24V DC Receiver Pin 5 PE Pin 3 0V 24V DC Pin 4 OSSD 1 Pin 2 Figure 13 Pin assignment of the M12 connectors M12 Connector Dimensions mm in j 47 1 85 14 0 56 g Receiver Transmitter Signal Receiver 24V OSSD 2 ov 0SSD 1 Ground PE Female Top View GuardShield Safe 4 Receiver Connector pin assignments and wire colors Signal Receiver 24V Test 2 ov Test 1 Ground PE Female Top V
16. e Guard imore Safe 4 Specials Catalog Numbers GuardShield Safe 4 Safety Light Curtain User Manual Protective Protective Cascaded Height A Height C LengthD Response Resolution Weight per Separate Catalog Number mm mm Time tp ms mm Pair kg Controller Comments 445L 103000 0189 14 without No 445L 103000 0044 14 without No 445L 103000 0076 14 without No 445L 103000 0130 14 without No 445L 103000 0036 14 without No 445L 103000 0157 14 without No 445L 103000 0153 4 without No 445L 103000 0140 4 without No 445L 103000 0136 4 without No 445L 103000 0195 4 without No 445L 103000 0196 4 without No 4451L 103000 0164 4 without No 445L 103000 0034 30 without No 445L 103000 0139 30 without No 445L 103000 0193 30 without No 445L 103001 0199 30 with Cascaded 445L 103001 0057 14 with Cascaded 90 fixed angle 445L 103001 0121 14 without Sep Ctrl 90 fixed angle 445L 103001 0163 14 30 without Cascaded 445L 103005 0036 30 310 with No see Figure 21 445L 103005 1002 30 340 with No see Figure 22 445L 103001 0225 14 Without 445 L 103001 0226 Without 445 L 103001 0227 Without 445L 103001 0228 Without 445L 103001 0229 Without 445L 103001 0230 Without 445L 103001 0231 Without 445L 103001 0232 Without 445L 103001 0233 Without 445L 103001 0234 w
17. is gt 500 mm 19 6 in then recalculate S as follows S 1600 x T 8 x d 14 mm gt If the new value S is gt 500 mm 19 6 in then use the newly determined value as the minimum safety distance gt If the new value S is lt 500 mm 19 6 in then use 500 mm 19 6 in as the safety distance Example Stopping run down time of the machine 290 ms Response time 30 ms Resolution of the light curtain 14 mm 0 55 in T 290 ms 30 ms 320 ms 0 32 s S 2000 x 0 32 8 x 14 14 640 mm 25 1 in S gt 500 mm therefore S 1600 x 0 32 8 x 14 14 512 mm 20 1 in How to Calculate the Safety Distance S for GuardShield Safe 4 PAC Systems In the case of perimeter systems or light curtains with a resolution d gt 40 mm the safety distance is calculated for vertical mounting light curtains and horizontal approach according to the formula S 1 6 mm ms x T 850 mm More detailed information regarding safety distance and safety heights can be found in standard EN 13855 2010 Minimum Distance from Reflecting Surfaces The infrared light from the sender may be reflected off of shiny surfaces and be received by the system s receiver If this condition occurs it can result in an object not being detected when it enters the GuardShield Safe 4 sensing field All reflecting surfaces and objects e g material bins must therefore be located at a minimum distance a from the protecti
18. machine and check if the hazardous movement will stop under the following circumstances 5 The protective field is interrupted Hazardous machine movement stops immediately if the protective field is interrupted by the test 6 rod directly in front of the transmitter directly in front of the receiver and in the middle between transmitter and receiver 7 No hazardous machine movement while the test rod is anywhere within the protective field 8 The power supply of the GuardShield Safe 4 is turned off If the blanking function is activated check all sections of the protective field with the appropriate test piece IMPORTANT If any of the above conditions do not result in the hazardous motion of the machine ceasing do not allow the protected machine to be placed in operation Six Month Inspection Check the following items every six months or whenever a machine setting was changed 1 Machine stops or does not obstruct any safety function 2 The latest machine or connection modifications have no effect on the control system 3 The outputs of the GuardShield Safe 4 are properly connected to the machine 4 The total response time of the machine is shorter than the calculated value 5 Cables and plugs of the GuardShield Safe 4 are in good condition 6 Mounting brackets caps and cables are tightly secured Original instructions 17 GuardShield Safe 4 Safety Ligh
19. of the GuardShield Safe 4 safety light curtain must be such that access to the hazard is only possible through the sensing field of the GuardShield Safe 4 Auxiliary safe guarding may be required in conjunction with the GuardShield Safe 4 to meet this requirement Determine if the machinery on which the GuardShield Safe 4 is to be mounted meets the requirements as specified in the beginning of this manual i e machinery must be able to be stopped anywhere in its stroke or cycle consistently and repeatedly Allen Bradley e Guaidimater Alignment Procedure Standard GuardShield Safe 4 The GuardShield Safe 4 is offered with an integrated laser alignment system which has a constantly powered Class 2 eye safe laser located in the bottom of the GuardShield Safe 4 transmitter and in the top of the GuardShield Safe 4 receiver Each laser emits a low level of visible light Simply blocking this light below the finger symbol causes the light to be reflected back to a photo sensor which changes the condition of the laser light If this light is at a low level interrupting it will cause the laser to emit a highly visible level of light Interrupting the visible light in the same location will cause the laser to switch to a low level of emission The emission of visible light will also change to a low level after five minutes of activation GuardShield Safe 4 with Integrated Laser Alignment Cycle power to assure that the system powers u
20. transmitter and receiver are properly aligned correctly connected and the protective field is not interrupted Any intrusion of an object into the protective field will switch the OSSD off within the specified response time and the LED at the receiver toggles from green to red Outputs The two redundant Output Signal Switching Devices OSSD are fully monitored Any short circuits are detected The maximum load is 0 3 A higher currents are limited through short circuit protection Increased output loads may be realized using external safety interfaces The output voltage at the solid state outputs is dependant on the power supply and the output load Typical wiring diagram to MSR127 safety relay module The interfacing of the light curtain with the machine control has to be control reliability i e a correct interface with a safety PLC or safety relays with positive guided relay contacts IATA The safety devices and the interconnection to the machinery have to comply with the basic safety requirements as mentioned in the current regulations and standards Direct interfacing of a safety light curtain to machine control that does not meet the necessary safety integrity level i e use of general purpose PLCs or general purpose relays may cause injury to persons Consult a professional safety engineer B Allen Bradley l Guard irate GuardShield Safe 4 Safety Light Curtain User Manual Original instructions 13
21. 0 445L P4S0600YD 4451 1450600YD 4451 R4S0600YD 0 1 18 600 23 6 18 5 ms 18 59 34 445L P4S0720YD 445L 1450720YD 4451 R4S0720YD 0 1 18 720 28 4 21 1 ms 18 59 4 0 445L P4S0840YD 445L 1450840YD 4451 R4S0840YD 0 1 18 840 33 1 23 8 ms 18 59 44 445L P4S0960YD 4451 1450960YD 4451 R4S0960YD 30 1 18 960 37 8 26 3 ms 8 59 48 445L P4S1080YD 445L 1451080YD 4451 R4S1080YD 0 1 18 1080 42 5 29 1 ms 8 59 54 MASL PAS1200VD 4A5L TAS1200VD MASL RAS1200VD 30 1 18 1200 47 2 31 6ms 8 59 57 445L P4S1320YD 4451 1451320YD 4451 R451320YD 30 1 18 1320 52 34 3 ms 8 59 6 445L P4S1440YD 4451 1451440YD 4451 R4S1440YD 30 1 18 1440 56 7 37 ms 18 59 6 5 445L P4S1560YD 4451 1451560YD 4451 R4S1560YD 30 1 18 1560 61 4 39 6 ms 18 59 6 9 445L P4S1680YD 4451 1451680YD 4451 R4S1680YD 30 1 18 1680 66 1 42 3 ms 18 59 72 445L P4S1800YD 4451 1451800YD MASL RAS1800VD 30 1 18 1800 70 9 44 9 ms 18 59 75 445L P4S1920YD 4451 1451920YD MASL RAS1920VD 30 1 18 1920 75 6 47 6 ms 18 59 83 20 Original instructions Allen Bradley Guard inate GuardShield Safe 4 Safety Light Curtain User Manual Standard GuardShield Safe4 with Integrated Laser Alignment System 30 mm Resolution 5 30 m 16 4 98 4 ft Range of Operation Catalog Numbers Resolution Protective Heights Range Weight per pair Light Curtain Pair Transmitter Receiver mm in mm in Response Time m ft kg 445L P4X0120YD 4A5L T
22. 0 i 440L AM1250600 600 24 750 29 5 440L AM0750750 440L AM1250750 720 840 28 33 900 35 4 440L AM0750900 900 35 4 440L AM1250900 960 38 1050 41 3 440L AM0751050 1050 41 3 440L AM1251050 1080 43 1200 47 2 440L AM0751200 1200 47 2 440L AM1251200 1200 47 1350 53 1 440L AM0751350 1350 53 1 440L AM1251350 1320 1440 52 57 1500 59 1 440L AM0751500 1500 59 1 440L AM1251500 1560 61 1650 65 440L AM0751650 1650 65 440L AM1251650 1680 66 1800 70 9 440L AM0751800 1800 70 9 OL AM1251801 1800 1920 None Available PF None Available Mounting Stand 440L AMSTD 445L AMSTD2M c o i ojo o 18288 72 Wwe 1 7 16 Dia o o c o IU o ofo alie 19 05 0 75 12 7 0 5 Dia 4X a ee o M10x 1 5mm Class 6g thru 4 pl 60 2 36 26 381 0 15 0 47 e ry 150 z 5 9 6 35 0 25 240 9 45 Base Plate Original instructions Allen Bradley Guaidimater Appendix GuardShield Safe4 Specials for existing customers Safetv Light Curtain Svstems Content Introduction 00 00 ccc cece n nn nn nn nn 27 Svstems without an Integrated Laser Alignment Svstem ILAS 27 Systems with Connector Cap cece 28 Cascaded Systems scissiccveceseceebvassaturaen Ei 29 Systems with Separated Controller eee 29 Dimensional Drawings L 0 cece eee c eee e eee ee ees 30 Gascaded Systeinsiec ta siket pk to ea a 30 System with Integrated Controller 31 Special Syste Sese raiser iv ie t
23. 0164 14 0 55 1560 61 4 9 29 5 445L 103000 0034 30 1 18 360 14 2 18 59 445L 103000 0139 30 1 18 480 18 9 18 59 445L 103000 0193 30 1 18 840 33 1 18 59 Cascaded GuardShield Safe 4 Systems 445L 103001 0199 30 1 18 an 53 4451 103001 0057 14 0 55 Gan 53 445L 103001 0121 14 0 55 al ire 120 120 240 4 7 4 7 9 5 27 GuardShield Safe 4 Safety Light Curtain User Manual Svstems with Connector Cap for Hard wired Connection L 24V DC Transmitter Tx ov DC Test 1 Test 2 Not connected Not connected Earth PE Receiver Tx sane ov DC OSSD 1 OSSD 2 Not connected Not connected Earth PE Figure 22 Pin out of connector for Safe 4 systems with connector cap Allen Bradley 28 Original instructions Guadiimastef GuardShield Safe 4 Safety Light Curtain User Manual Cascaded Svstems Cascading The GuardShield Safe 4 Type 4 POC is also available in a limited offering of cascading segments which allow GuardShield Safe 4 transmitters and receivers to be interconnected This product configurability allows the GuardShield Safe 4 to protect multiple sides of a machine or simply adds flexibility when positioning the GuardShield Safe 4 in various applications A maximum of three GuardShield Safe 4 light curtain pairs can be interconnected with a common pair of OSSDs not to exceed 255 beams Figure 25 Top and bottom mounting of 3 Gu
24. 4 Inadequate adjustment of transmitter and receiver Internal error orange Power LED is irregularly flashing Exchange Component Normal operation Transmitter Receiver Operation status Test input closed OSSD on Protective field free closed OSSD off Protective field interrupted Test input open OSSD off Test active Allen Bradley e Guaidimarter Prior to powering up the GuardShield Safe 4 svstem the responsible person should review the following checklist IMPORTANT Checklist Before the initiation of the GuardShield Safe 4 the responsible person should work through the following checklist Cable check prior to initiation 1 The power supply is solely connected to the GuardShield Safe 4 The power supply is a 24V DC device that must comply to all applicable standards of the Machinery Directive 2006 42 EC and the product standard IEC 61496 3 Proper polarity of the power supply at the GuardShield Safe 4 The transmitter connection cable is properly connected to the transmitter the receiver connection cable is properly connected to the receiver 5 The double insulation between the light curtain output and an external potential is ensured 6 The OSSD outputs are not connected to 24V DC or OV 7 The connected switching elements load are not connected to 24V DC For a self testing safety light curtain system the test output and input of the transmitter are short
25. 4X0120VD 4451 R4X0120YD 30 1 18 120 4 7 7 9 ms 5 16 4 30 98 4 1 9 445L P4X0240YD 4ASL T4X0240VD 4451 R4X0240YD 30 1 18 240 9 5 10 5 ms 5 16 4 30 98 4 2 2 445L P4X0480YD 445L T4X0480YD 445L R4X0480YD 30 1 18 480 18 9 15 8 ms 5 16 4 30 98 4 3 0 445L P4X0600YD 445L T4X0600YD 445L R4X0600YD 30 1 18 600 23 6 18 5 ms 5 16 4 30 98 4 3 4 445L P4X0720YD 445L T4X0720YD 4A5L RAX0720VD 30 1 18 720 28 4 21 1 ms 5 16 4 30 98 4 4 0 445L P4X0840YD 445L T4X0840YD 445L R4X0840YD 30 1 18 840 33 1 23 8 ms 5 16 4 30 98 4 44 4A5L P4X1200VD 4451 T4X1200YD 4451 R4X1200YD 30 1 18 1200 47 2 31 6 ms 5 16 4 30 98 4 5 9 445L P4X1440YD 445L T4X1440YD 445L R4X1440YD 30 1 18 1440 56 7 37 ms 5 16 4 30 98 4 6 7 Weight per pair Light Curtain Pair kg 445L P4S2500YD 4451 T4S2500YD 4ASL RAS2500VD 600 23 6 5 16 4 30 98 4 3 0 MASL PAS3400VD 4451 T453400YD 4451L R4S2500YD 840 33 0 5 16 4 30 98 4 3 9 MASL PAS4120VD MASL T4S4120VD 4451L R4S4120YD 960 37 8 i 5 16 4 30 98 4 42 Catalog Number Configurator 445L P 4 S 0720 Y D Connector Option L D Standard M12 Environmental Rating IP65 Protective Height mm POC Beam Spacing PAC 0120 0240 0600 0960 1320 1680 2500 0360 0720 1080 1440 1800 3400 0480 0840 1200 1560 1920 4120 S 30 mm resolution 0 18 m range X 30 mm resolution 5 30 m range L 14mm 0 9 m range
26. GuardShield Safe 4 and Safe 4 PAC Allen Bradley Safety Light Curtains uf User Manual Ag f Sa Rockwell Allen Bradley Rockwell Software Automation Important User Information Because of the varietv of uses for the products described in this publication those responsible for the application and use of this control equipment must satisfv themselves that all necessarv steps have been taken to assure that each application and use meets all performance and safetv requirements including anv applicable laws regulations codes and standards The illustrations charts sample programs and lavout examples shown in the guide are intended solelv for purposes of example Since there are manv variables and requirements associated with anv particular installation Rockwell Automation does not assume responsibilitv or liabilitv to include intellectual propertv liabilitv for actual use based upon the examples shown in this publication Rockwell Automation publication SGl 1 1 Safetv Guidelines for the Application Installation and Maintenance of Solid State Control available from vour local Rockwell Automation sales office describes some important differences between solid state equipment and electromechanical devices that should be taken into consideration when applving products such as those described in this publication Reproduction of the contents of this copvrighted publication in whole o
27. OFF Reaction times see tables on pages 20 and 21 Power Supply 24V DC 20 Power supply must meet the requirements of IEC 60204 1 and IEC 61496 1 Power Consumption lt 500 mA max unloaded IR Transmitter Infrared LED wave length 950 nm Aperture Angle According to IEC 61496 2 Operating Condition IR transmitter ON functions Guard Only On Off operation with clear obstructed detection area Test Function Triggering of system test via external switch inp Wansntter Minimum duration 100 ms nen Test Sianal Voltage level for Logic 0 0 5V DC 9 Voltage level for Logic Hi 1 gt 16V DC ee oSSDs 2 solid state outputs max switching capacity 300 mA short circuit protected QD Connectors 5 pin M12 for transmitter and receiver Cable Length Maximum 60 m 197 ft Ambient Temperature During operation 0 55 C 32 131 F For storage 20 60 C 4 140 F Humidity of the Air Up to 95 without condensation between 20 C and 55 C 68 F and 131 F Enclosure Rating IP65 Vibration Resistance Per IEC 61496 1 IEC 60068 2 6 Frequency 10 55 Hz Amplitude 0 35 mm Shock Per IEC 61496 1 IEC 60068 2 29 Acceleration 10 g Duration 16 ms Material Housing Aluminum Cover PC Polycarbonate Dimensions cross section Approx 30 x 40 mm 1 18 x 1 57 in Accessories Included Test rod mounting brackets operating instructions Approv
28. User Manual 24V Muting Lamp N X MSR42 MSR45E C 440R P22SAGS NNR 440R PANNS A N f 3 IDIN Rail ji DIN Rail 445L P4SO800YD p f 13 Brown 1 7 Brown ieee l a 2 White OSSD2 GPICA Whit OSSD1 Test eee i a E e GpiC3 Contact Black 4 GPIC2 f 14 Grey Grey GPIC1 5 si K2 KI ki iA IN2 23 Reset L IN1 Blue 3 3 Blue ov 24 Jumper required 24V for normal operation Sensor 2 K 42EF P2MPB F4 Ribbon Cable Jumper 440R ACABL1 K2 Brown Black Blue Sensor 1 K1 Brown Black Blue OV Figure 18 Safe 4 or Safe 4 PAC for two sensor muting using MSR42 multi function safety module and MSRASE safety relay expansion module B Allen Bradley l Original instructions 15 Guard Imartef GuardShield Safe 4 Safety Light Curtain User Manual Troubleshooting Guide The light curtain carries out an internal self test after startup If an error occurs an appropriate signal combination is indicated by the LEDs of the transmitter or the receiver Nara il Assure that all power to the machine and safety system is disconnected during electrical installation System Status Indicators Transmitter Receiver Power on Power on e orange e orange Normal operation Output active e gre
29. al stop time of all devices in the safety circuit measured in seconds This value must include all components involved in stopping the hazardous motion of the machinery For a mechanical power press it is the stopping time measured at approximately the 90 position of the crankshaft rotation The T number must include the response times of all devices including the response time of the safety light curtain the safety light curtain controller if used the machine s control circuit and any other devices that react to stop the hazardous motion of the machinery Not including the response time of a device or devices in the stop time calculation will result in insufficient safety distance for the application This may result in operator injury The ANSI Safety Distance Formula The ANSI safety distance formula which is the Rockwell Automation recommended formula is as follows D K x Ts To T Thm Dpf Ds Minimum safety distance between the safe guarding device and the nearest point of operation hazard in inches K Hand speed constant in inches per second The ANSI standard value is 63 inches per second when the operator begins reaching toward the point of operation hazard from rest NOTE ANSI B11 19 1990 E4 2 3 3 5 states The value of the hand speed constant K has been determined by various studies and although these studies indicate speeds of 63 inches second to over 100 inches second they are not conclusive determin
30. als TUV Rheinland IEC 61496 Parts 1and 2 UL 61496 Parts 1 and 2 UL 1998 Safety Classification Type 4 per EN IEC 61496 Category 4 EN ISO 13849 SIL 3 IEC 61508 SIL CL3 EN 62061 PLe EN ISO 13849 PFHd Probability of dangerous failure per hour according to EN IEC 62061 and EN IEC 61508 Continuous and high demand mode 7 93E 9 worst case figure 32 modules x 30 mm L 3840 mm Ty mission time 20 years EN ISO 13849 B Allen Bradley l Cuaird irate Original instructions 19 GuardShield Safe 4 Safety Light Curtain User Manual Standard GuardShield Safe 4 with Integrated Laser Alignment Svstem 14 mm Resolution Catalog Numbers Resolution Protective Heights Range Weight per pair Light Curtain Pair Transmitter Receiver mm in mm in Response Time ft kg 445L P4L0120YD 445L T4L0120YD 4L0120YD 14 0 55 120 4 7 10 5 ms 9 29 5 1 9 445L P4L0240YD 445L T4L0240YD 445L R4L0240YD 14 0 55 240 9 5 15 8 ms 9 29 5 22 MASL PALO360VD MA5L TALO360VD 445L R4L0360YD 14 0 55 360 14 2 21 2ms 9 29 5 26 445L P4L0480YD 445L T4L0480YD 445L R4L0480YD 4 0 55 480 18 9 26 3 ms 9 29 5 3 0 445L P4L0600YD 445L T4L0600YD 445L R4L0600YD 4 0 55 600 23 6 34 6 ms 9 29 5 34 MA5L PALO720VD 445L T4L0720YD 445L R4LO720YD 4 0 55 720 28 4 36 8 ms 9
31. and Information Solutions Headquarters Americas Rockwell Automation 1201 South Second Street Milwaukee WI 53204 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Europe Middle East Africa Rockwell Automation Vorstlaan Boulevard du Souverain 36 1170 Brussels Belgium Tel 32 2 663 0600 Fax 32 2 663 0640 Asia Pacific Rockwell Automation Level 14 Core F Cyberport 3 100 Cyberport Road Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Publication PN 107933 March 2011 10000167491 Ver 00 Copyright 2011 Rockwell Automation Inc All Rights Reserved Printed in USA CSA 108 962
32. ardShield Safe 4 segments is possible which will Two Segment Cascading GuardShield Safe 4 Systems provide three sided machine guarding without the use of corner mirrors Typical configuration of a cascaded GuardShield Safe 4 Following limitations shall be taken into consideration e The protective zone is made of units with 120 mm length e Ten meter maximum total length for light curtains extension modules and connection cables combined e Maximum of three ILAS may be operated simultaneously Figure 23 Cascaded GuardShield Safe 4 e Only the following extension cable may be used between the light curtains It is possible to extend the length of the cable between cascaded segment pairs however it is necessary to use three patchcords to do this The standard connection between these special Safe 4 light curtains isa DIN 9 connector To increase the cable length between cascaded segment pairs a DIN 9 to M12 patchcord is required to connect to the Safe 4 pigtail then an M12 to M12 patchcord connects to the first patchcord Finally a second M12 to DIN 9 patchcord is required to make the final connection MASL ACBCPX Patchcord 8 Pin 1 Meter M12 to M12 x 1 3 or 5 meter 120 4 72 10 A 5021198 s509 MSL ACDNOMI2 lie 8 Pin Din9 female to M12 Figure 24 L shaped two segment GuardShield Safe 4 cascading systems offer protection lili l oe when it is possible to stand between the vertical light curtain and the mac
33. ations The employer should consider all factors including the physical ability of the operator when determining the value of K to be used Ts Stop time of the machine tool measured at the final control element Te Response time of the control system T and T are usually measured by a stop time measuring device Tr Response time of the presence sensing device safety light curtain and its interface if any This value is generally stated by the device manufacturer or it can be measured by the user Tbm Additional time allowed for the brake monitor to compensate for variations in normal stopping time Dpf Depth penetration factor It is an added distance to allow for how far into the protective field an object such as a finger or hand can travel before being detected Dy ris related to the safety light curtain s object sensitivity Object sensitivity is the smallest B Allen Bradley l Gua irate Original instructions GuardShield Safe 4 Safety Light Curtain User Manual diameter object which will always be detected anywhere in the sensing field Example In opto electronic safeguarding such as with a perpendicular safety light curtain applications with object sensitivity effective resolution less than 2 5 inches the Dor can be approximated based on the following formula Dye inches 3 4 x Object Sensitivity 0 276 but not less than 0 European Safety Distance Formula A safety distance m
34. commissioned and serviced only by a qualified person A qualified person is defined as a person who e Has undergone the appropriate technical training and e Who has been instructed by the responsible machine operator in the operation of the machine and the currently valid safety guidelines and e Who has read and has ongoing access to these installation instructions Range of Uses of the Device The GuardShield Safe 4 safety light curtain is classified as electro sensitive protective equipment ESPE The physical resolution of the POC is 14 mm 0 55 in or 30 mm 1 18 in The maximum protective field width of GuardShield Safe 4 POC is e 0 9 m 29 5 ft for the 14 mm 0 55 in resolution e 0 18 m 59 1 ft for the 30 mm 1 18 in resolution e 5 30 m 16 4 98 4 ft for the 30 mm 1 18 in resolution GuardShield Safe 4 Safety Light Curtain User Manual The protective field height is between 120 mm 4 7 in and 1920 mm 75 6 in The maximum protective field width of GuardShield Safe 4 PAC 2 3 and 4 beam is 5 30 m 16 4 98 4 ft All standard GuardShield Safe 4 POC and PAC light curtains have Integrated Laser Alignment The device is a Type 4 ESPE as defined by IEC 61496 1 and CLC TS 61496 2 and is therefore allowed for use with controls in safety category Type 4 in compliance with EN ISO 13849 SIL CL3 in accordance with EN62061 or up to PLe in accordance with EN ISO 13849 The device is suitabl
35. e for e Point of operation protection finger and hand protection e Hazardous area protection e Access protection Access to the hazardous point must be allowed only through the protective field The machine system is not allowed to start as long as personnel are within the hazardous area Refer to the Examples of Range of Use on page 6 for an illustration of the protection modes Depending on the application mechanical protection devices may be required in addition to the safety light curtain Proper Use The GuardShield Safe 4 safety light curtain must be used only as defined in the Range of Uses of the Device It must be used only by qualified personnel and only on the machine where it has been installed and initialized by qualified personnel If the device is used for any other purposes or modified in any way warranty claims against Allen Bradley Guardmaster shall become null and void General Protective Notes and Protective Measures IMPORTANT Safety Notes Please observe the following items in order to ensure the proper and safe use of the GuardShield Safe 4 safety light curtain The national international rules and regulations apply to the installation use and periodic technical inspections of the safety light curtain in particular e Machine Directive 2006 42 EC e Low Voltage Directive 2006 95 EC e Use of Work Directive 2009 104 EC e The work safety regulations safety rules e Other relevant hea
36. earing of the detection field IMPORTANT The protective system must be tested for proper operation after each and every change to the configuration 6 Original instructions System Testing The GuardShield Safe 4 performs a complete system self test at power up and switches to the ON state if the system is properly aligned and the protective field is unobstructed External Test Machine Test Signal Normally the test input at the transmitter is installed with a short circuit jumper to activate the transmitter A test cycle of the system can be triggered by an external test signal to the GuardShield Safe 4 transmitter Supplying or removing a signal 24V DC viaa N C or N O switch at the test input deactivates the transmitter for the duration of the test signal simulating an interruption of the protective sensing field see also page 11 Response Time The response time of the GuardShield Safe 4 safety light curtain depends on the height of the protective field the resolution and the number of light beams see table on page 20 IMPORTANT Determining Stop Time The measurement of stopping time Ts must include the stopping times of all devices in the stop circuit Not including all device and control system elements when calculating Ts will result in an inaccurate safety distance calculation Determining the Safety Distance The light curtain must be mounted with proper safety distance e From the point of dan
37. en e green Output inactive Test input red red Optical Optical IR light IR light Figure 19 LED indicators Possible errors and operation status are indicated with the LED indicators on the transmitter and receiver The following combinations are relevant Green Red Orange Protective field Protective field Status Power not interrupted interrupted No power supply external off No sufficient power external off OSSD on on load operation protective a field not interrupted normal OSSD off off load operation protective field interrupted or insufficient flashing on alignment of the system OSSD error external short circuit Orange Red Status Power Test No power supply external off off Test input closed external on off Test input open external on on Controller error internal flashing on Protective field error internal flashing on Table 1 Transmitter 16 Original instructions all 3s i between OSSD 1 and OSSD 2 towards short time flashing 0 Vor 24V DC irregular Controller error internal flashing on Protective field error internal flashing flashing Table 2 Receiver External error An external interface error can be resolved by correcting the installation due to 1 Receiver short circuit of both OSSDs of OSSD to Us or of OSSD to GND 2 Transmitter Test input open 3 No power or power supply too low
38. file The element length of each is 120 mm variations are given in the appendix The protective field and the active elements respectively are clearly recognized as black surfaces with the integrated optical lenses The areas not monitored passive elements are also clearly indicated as yellow surfaces 900 en Go Reference plane e g ground Allen Bradley Gucrelmarter GuardShield Safe 4 Safety Light Curtain User Manual i a Semel jil Reference plane e g ground de L I B 0 E sol E so E O Le Reference plane e g ground Figure 2 Perimeter systems 2 3 and 4 beams according to EN ISO 13855 2010 Original instructions 5 GuardShield Safe 4 Safetv Light Curtain User Manual Examples of Range of Use The GuardShield Safe 4 safety light curtain operates as a proper protective device only if the following conditions are met e The control of the machine must be electrical e The controlled machine must be able to be stopped any where in the machines stroke or cycle e The transmitter and receiver must be mounted such that access to the hazard is only through the light curtain s protective field e The restart button must be located outside the hazardous area such that it cannot be operated by a person working inside the hazardous area e The statutory and local rules and regulations must be observed when installing and using the device IMPORTANT Add
39. ger e From reflecting surfaces US Safety Distance Formula IVAN The GuardShield Safe 4 safety light curtains must be mounted at a sufficient distance from the pinch point or point of operation hazard to help ensure that the machine stops before a person s finger hand arm s or body reaches the hazard This distance referred to as the safety distance must be properly calculated prior to determining the safety light curtain protective height and mounting the light curtains on the machine Failure to properly calculate this safety distance may result in operator injury IMPORTANT Regardless of the calculated safety distance GuardShield Safe 4 safety light curtains should never be mounted closer than six inches from the point of operation or pinch point hazard In the United States there are two formulas that are used to properly calculate the safety distance The first the OSHA formula is the minimum requirement for the calculation of the safety distance The second formula the one recommended by Rockwell Automation is the ANSI formula which incorporates additional factors to be considered when calculating the safety distance Allen Bradley e Guaidimater OSHA Safetv Distance Calculation Formula The OSHA safetv distance formula as specified in CFR Subpart O 1910 217 is as follows Ds 63XT Ds Safety Distance in inches 63 IstheOSHA recommended hand speed constant in inches per second Ts Isthe tot
40. hine hazard an l l FE aasi rog29 Patchcord 8 Pin Din9 male to M12 Three Segment GuardShield Safe 4 Cascading Systems L405 159 521 205 4 female 120 4 72 10 When the use of corner mirrors is not practical or possible three sided guarding of a machine hazard is possible using cascading GuardShield GAFA Svstems with Separated Controller Svstems with separated controllers are cascaded svstems in which one cascade is without anv optical modules The dead zone of the protective cascade is minimized this wav The profile length of light curtains without laser alignment system is 2 x 25 mm shorter Figure 26 GuardShield Safe 4 with separated Controller B Allen Bradley e Cuaird irate Original instructions 29 GuardShield Safe 4 Safetv Light Curtain User Manual Cascaded Svstems 12 0 47 M12 J l l Controller 120 4 72 o l E b 5 U 25 Alignment module ILAS fe 0 98 e 2 c S 5 25 g 0 98 0 63 ij 1 l 1 15 5 0 61 dia 33 1 29 i 150 3 5 90 a e 15 0 59 dia re g R min 17 0 67 1 35 1 38 min Figure 27 Cascaded Safe 4 system For lengths A B C and D see table on page 33 30 Original instructions Allen Bradley e Guard inate GuardShield Safe 4 Safety Light Curtain User Manual 12 0 47 Controller ext
41. iew GuardShield Safe 4 Transmitter Connector pin assignments and wire colors Test input to transmitter Normally the test input at the transmitter is installed with a short circuit jumper to activate the transmitter If an external test is desired a contact can be connected to the test input The timing of test input is as follows Figure 14 Value in ms Response time on test signal Stp 15 Time to test gt t Restart time after test lt 800 Short circuit Test input open OSSD 1 0SSD 2 a t t Figure 15 Test timing diagram 13 tp means the response time of the respective Safe 4 type see product v O O o v 4 o m a n lt N m D 2 lt a 6 4 4 label N le N a o 2217 F Internal test Value Continuous test current 10 mA 1 Operation with internal test Peak test current 100 mA 2 Test using a relav contract 2 FATTI 3 Test using PNP output Time of peak test current 20 ps 3 Internal test Test LED Transmitter Figure 14 Five pin female connection for Safe 4 Shart circuited dosed vee gern Open Inactive Red ET A Allen Bradle 12 Original instructions STAMEN Cuad imore Bringing into operation After the power has been applied to the GuardShield Safe4 and the automatic power up test is successfully completed the green Power LED on the receiver and transmitter will light on The system is now ready to operate The automatic power up test will only be successful if
42. irate Original instructions GuardShield Safe 4 Safety Light Curtain User Manual ATTENTION Potentially hazardous situation which if not prevented might lead to serious or deadly injury Failure to observe may result in dangerous operation Wenn The GuardShield Safe 4 must not be used with machines that cannot be stopped electrically in an emergency The safety distance between the GuardShield Safe 4 and a dangerous machine movement has to be maintained at all times Additional mechanical protective devices have to be installed in a way that hazardous machine elements cannot be reached without passing through the protective field The GuardShield Safe 4 has to be installed in a way that operators can only operate within the sensing area Improper installation can result in serious injury Never connect the outputs to 24V DC If the outputs are connected to 24V DC they are in ON state and cannot stop hazardous spots at the machine application Never expose the GuardShield Safe 4 to flammable or explosive gases Regular safety inspections are imperative see maintenance Do not repair or modify the GuardShield Safe 4 The GuardShield Safe 4 safety light curtain is not field repairable and can only be repaired at the factory Removal of either of the GuardShield Safe 4 endcaps will void the warranty terms of this product Specialist Personnel The GuardShield Safe 4 safety light curtain must be installed
43. ironmental Rating Designates Connection Type D Micro style quick disconnect M12 Document Control Number SEN 0392 C EN B Allen Bradley l Cuaird irate Original instructions 2 3 35 GuardShield Safe 4 Safety Light Curtain User Manual NOMENCLATURE Cont Custom 44SL Series Nomenclature 1 4451 103000 0000 1 2 1 Designates Product Line i 44SL GuardShield safety light curtain Designates Custom Catalog Designation 2 Any number from 100000 0000 199999 9999 can be used to denote custom catalog numbers for the 445L Series light curtains Custom 445L Series Nomenclature 2 445L 105000 1 2 1 Designates Product Line i 445L GuardShield safety light curtain 2 Designates Custom Catalog Designation l Any number from 100000 199999 can be used to denote custom catalog numbers for the 44SL Series light curtains Document Control Number SEN 0392 C EN 3 3 ee A f 36 Original instructions w Allen Bradley Guard inate GuardShield Safe 4 Safety Light Curtain User Manual B Allen Bradley e Original instructions 37 Guard irate GuardShield Safe 4 Safety Light Curtain User Manual Allen Bradley e Guard imore 38 Original instructions GuardShield is a trademark of Rockwell Automation Inc Guardmaster is a registered trademark of Rockwell Automation Inc www rockwellautomation com Power Control
44. itional measures may be necessary to ensure that the ESPE does not fail to danger when other forms of light radiation are present in a particular application i e use of cableless control devices on cranes radiation from weld spatter or effects from strobe lights GuardShield Safe 4 Laser Alignment The laser light source in the Integrated Laser Alignment system of the GuardShield Safe 4 light curtains is a Class 2 eye safe laser diode with a wavelength of 630 nm This Class 2 eye safe laser is switched from a low output power state to a high output power state and back again by means of control circuitry which detects reflected laser light from a temporary blockage of the emitted laser light This is most commonly accomplished by a person s finger placed over the laser overlay window There is also an automatic shutdown feature that switches the laser diode from the high power state to the low power state if there is no finger or other interruption detected for a period of five minutes During the high output mode of operation the laser is pulsed at a rate of approximately 2 Hz in order to facilitate finger detection in high ambient light conditions To prevent exposure to laser radiation do not expose your eyes to the laser Turn ILAS off if not in use Safety Functions All GuardShield Safe 4 safety light curtains operated as on off devices meaning the OSSD outputs switch off on according to an obstruction or cl
45. lth and safety regulations Manufacturers and users of the machine with which the safety light curtain is used are responsible for obtaining and observing all applicable safety regulations and rules The notices in particular the test regulations of these installation instructions eg on use mounting installation or integration into the existing machine controller must be observed 4 Original instructions The tests must be carried out by specialist personnel or specially qualified and authorized personnel and must be recorded and documented to ensure that the tests can be reconstructed and retraced at any time The installation instructions must be made available to the user of the machine where the GuardShield Safe 4 safety light curtain is installed The machine operator is to be instructed in the use of the device by specialist personnel and must be instructed to read the installation instructions Product Description This section provides information on the special features and properties of the safety light curtain It describes the structure and functions of the unit Please read this section before mounting installing and commissioning the unit Special Features e Integrated laser alignment e Large range with a compact profile 14mm resolution 0 9 m 30mm resolution 0 18 m or 5 30 m e Tolerant to dust and pollution e Short circuit protected semiconductor outputs e Built in diagnostic LEDs e Optical synch
46. m resolution 3 beam 400 mm spacing 4ASL P4S3400VD GuardShield Safe4 PAC receiver transmitter pair 30 mm resolution 3 beam 400 mm spacing 44SL R4S4120VD GuardShield Safe4 PAC receiver 30 mm resolution 4 beam 300 mm spacing 445L T484120YD GuardShield Safe4 PAC transmitter 30 mm resolution 4 beam 300 mm spacing 4ASL P4S4120VD GuardShield Safe4 PAC receiver transmitter pair 30 mm resolution 4 beam 300 mm spacing 1 Ifno series number is given then all series are covered NOMENCLATURE Standard 445L Series Nomenclature 4451 DP 4 S 0960 Y D 1 2 3 4 5 6 7 L Designates Product Line 445L GuardShield safety light curtain 2 Designates Optic Head Designation P Transmitter and receiver pair R Receiver T Transmitter 3 Designates AOPD Safety Type 4 Type 4 4 Designates Photoelectric Safety Device and Sensing Resolution L Safe4 14 mm sensing operating range 0 9 m S Safe4 30 mm sensing operating range 0 18 m X Safe4 30 mm sensing operating range 5 30 m Y IP6S 5 Designates Protective Height 0120 120mm 0840 840 mm 1560 1560 mm 0240 240 mm 0960 960 mm 1680 1680 mm 0360 360 mm 1080 1080 mm 1800 1800 mm 0480 480 mm 1200 1200 mm 1920 1920 mm 0600 600 mm 1320 1320 mm 2040 2040 mm 0720 720mm 1440 1440 mm 2160 2160 mm 6 Designates Env
47. nting rotation 90 for applications where the mounting angle is not set using the mounting frame Two brackets per kit Figure 11 Different mounting brackets for Safe 4 Safe 4 Shock Mounting Kit Rockwell Automation offers a shock and vibration isolation kit for vertically mounting the Safe 4 This kit is most effective in protecting the internal optical and electronic components of the Safe 4 light curtain The best performance of the shock and vibration isolation kit is attained when the kit is used in conjunction with the Safe 4 vertical mounting brackets 445L AF6144 GuardShield Safe 4 Safety Light Curtain User Manual M 6x25 Socket head cap screw fully threaded M 6x6 1 14 Lock washer 20 e 20 0 79 dia 073 Vibration damper M6 M 6x6 1 14 Lock washer Figure 12 Shock Isolator Electrical Installation Connections Power Supply The external voltage supply 24V DC must meet the requirements of IEC 61496 1 In addition the following requirements have to be fulfilled e A short term power failure of 20 ms must be bridged by the power supply e The power supply has double insulation between the primary and the secondary side e The power supply is protected against overload e The power supply corresponds to the guidelines of the EWG industrial environment e The power supply corresponds to the Low Voltage Directives e The grounded conductor of the power supply device must
48. on must be followed when m l e 4 installing and commissioning the GuardShield Safe 4 rincip 65 OF Opera HoMe i a a a B nihi Inspection and commissioning must be carried out by a Perimeter Systems PAC 2 2 0 ccc eeeeeeee cette eee enee anes 5 qualified person Examples of Range of Use L ss 6 Safety Functions srrressreneenzzznnnn nn ne nanna Rockwell Automation reserves the right to make changes or revisions to Determining the Safety Distance 0000008 6 the material contained in this publication and cannot be held liable for US Safety Distance Formula ssssssssennnnnzzzzzzzzznnzi 6 incidental or consequential damages resulting from the furnishing OSHA Safety Distance Calculation Formula 7 performance or use of this material The ANSI Safety Distance Formula 6 7 European Safety Distance Formula 6 7 Installation and Mounting eccecceceeee 8 Alignment Pro edtitezzi isisersc inir mnnc ae kein akuta 9 Correct Installation 0 0 0 0 eee eee nena 9 Incorrect Installation cece cece cee eee e eee ree 10 Multiple GuardShield Safe 45 10 Mounting Brackets arseron irera iieri dida sir besi 10 Electrical Installation ccececccccccees 11 COnMECHODSS siaie sie5 sare l 11 Typical Wiring Diagram L eeeeenennnnnnnnna 14 Trouble Shooting Guide L ssssennenenenna 16 G e hkli ti iss a g a Br 17 Safety Instructions Maintenance 17 Daily Taspection s sine bed a at
49. onmental rating Proper safety distance as well as adequate protective height must be observed Remarks to ILAS Due to dimensional tolerances the visible ILAS laser beam may be located off center from the target when the light curtain is aligned optimally in the center of the operating range The optimal operating point can be found after alignment with ILAS when moving the axis in X left right and Z up down direction The optimal operating point is in the middle of the two end points where the receiver output switches from active to inactive condition On optimal alignment of the light curtain the ILAS light point can deflect from the ILAS target point The maximum deflection adds up to the following value due to the operating distance D 7mm D 21 mm D 32 mm D 63 mm D 105 mm 2m R 7mm 6m R 20mm 9m R 30mm 18m R 60mm 30m R 99mm Figure 7 Adjustment with ILAS Correct Installation O Operators cannot reach hazardous machine parts without passing through the protective field Operators must not step between protective field and hazardous machine parts by pass prevention GuardShield Safe 4 Safety Light Curtain User Manual Incorrect Installation Operators can reach hazardous machine parts without passing through the protective field Operators can step between protective field and hazardous machine parts The GuardShield Safe 4 must be mounted at the
50. p and goes to the ON state 1 Properly locate the GuardShield Safe 4 pair from the point of operation hazard after performing the safety distance calculation 2 Using the GuardShield Safe 4 mounting brackets mount the transmitter and receiver so that they are facing one another and are positioned in the same direction A reference would be that the indicator LEDs are opposite one another They must be parallel to each other and be positioned at the same height Turn on power to GuardShield Safe 4 system Transmitter Receiver Correct Transmitter Receiver Figure 6 Layout of the transmitter receiver 3 Turn on each laser by placing a finger or hand in front of each laser close to the finger symbol 4 For optimal alignment adjust the transmitter and receiver in such a way that both visible laser beams hit the laser targets opposite each laser A small deviation around the target is allowable and are harmless as long as they are within the aperture angle v Tighten all screws firmly GN Switch the ILAS off when aligned Allen Bradley e Cuaird irate Original instructions GuardShield Safe 4 Safety Light Curtain User Manual When mounting Perimeter Systems adjust the heights according to the recommendations in the local standards and regulations Europe EN ISO 13855 2010 see Figure 2 The GuardShield Safe 4 safety light curtain is suitable for most operating environments IP65 envir
51. proper distance from the point of operation hazard This distance is referred to as the Safetv Distance Middle of Depth of Protective Field Roint of Operation YY ji of tool Hk f Machine stop Fe time Safety Distance q AW N gt Protective Field Marking 7 To avoid the possibility of tanding between the protective ield and the point of operation 75 mm the distance must be maintained Figure 8 Determining machine stopping time and safetv distance After installation and alignment of the GuardShield Safe 4 safetv light curtain the protection field has to be tested with the test rod for the corresponding resolution 14 or 30 mm according to Figure 9 Receiver Transmitter Figure 9 Correct testing of the protective field using a test rod 10 Original instructions Multiple GuardShield Safe 4 When two or more GuardShield Safe 4s are mounted in close proximitv to one another it mav be possible for the receiver of one GuardShield Safe 4 pair to receive infrared light from the transmitter of another GuardShield Safe 4 pair There are various techniques to prevent or eliminate the possibilitv of optical interference from GuardShield Safe 4 light curtains mounted in the same plane The simplest method is to alternate transmitter and receiver pairs so that the receiver from a second pair is facing away from the transmitter of another GuardShield Safe 4 pai
52. r in close proximity It is also possible to place a physical barrier between pairs to prevent the infrared light from reaching another GuardShield Safe 4 pair lt gt Transmitters emit in opposite direction Each lt gt receiver receives only the beams of the appropriate l l transmitter RI TI T2 R2 T Tt 2 Transmitters emit in same i e direction i Z z Optical phvsical barrier necessary TI RI T2 R2 U TU U U Positioning of the light curtain Transmitters emit in opposite direction TI SS R2 7 TT Figure 10 Multiple GuardShield Safe 4 alignment options Mounting Brackets The GuardShield Safe 4 is mounted using brackets which attach to the side of both transmitter and receiver It may be necessary to use additional brackets to mount the GuardShield Safe 4 at a proper safety distance from the machinery hazard Allen Bradley e vadtirartef 445L AF6140 Standard mounting brackets supplied with each light curtain For side mounting Adjustable by 4 Two brackets per kit M6x60 17 l 061 aE 4x12 _ 40 8 1 60 a 135 _ 6 31 4451 AF6144 Vertical mounting brackets optional For mounting in the vertical axis of the light curtain Adjustable by 4 Two brackets per kit ni A o lol 20 gt Do 10 276 364 143 445L AF6141 180 Mou
53. r part without written permission of Rockwell Automation is prohibited Throughout this manual we use notes to make vou aware of safetv considerations Identifies information about practices or circumstances that can cause an explosion in a hazardous environment which may lead to personal injury or death property damage or economic loss Identifies information that is critical for successful application and understanding of IMPORTANT the product ATTENTION Identifies information about practices or circumstances that can lead to personal injurv or death propertv damage or economic loss Attentions help vou identifv a hazard avoid a hazard and recognize the consequences Tava Labels may be on or inside the equipment for example drive or motor to alert people that dangerous voltage may be present BURN HAZARD Labels may be on or inside the equipment for example drive or motor to alert people that surfaces may reach dangerous temperatures pjpljbPifpt It is recommended that you save this user manual for future use GuardShield Safe 4 Safety Light Curtain User Manual Conditions required for proper use of the GuardShield Safe 4 Safety Light Curtain Please make sure you read and understand these requirements before you select and install the GuardShield Safe 4 safety light curtain GuardShield safety light curtains are point of operation and perimeter access safeguarding devices These safety light cur
54. ronization no electrical cable needed between transmitter and receiver e Maintenance free and cost effective Principles of Operation The GuardShield Safe 4 safety light curtain consists of a non matched pair of optic units i e transmitter and receiver with the same protected height and resolution The transmitter and receiver operate on 24V DC The maximum distance between transmitter and receiver is referred to as the protective field width or range The protective field height is the distance between the first and last beam in the device The transmitter emits sequential pulses of infrared light which are received and processed by the GuardShield Safe 4 receiver The synchronization of the timing of the emission and reception of infrared light pulses is accomplished optically by the first beam adjacent to the GuardShield Safe 4 status LEDs This beam is referred to as the synchronization beam Because the GuardShield Safe 4 transmitter and receiver are optically synchronized no electrical connection is required between the transmitter and receiver The GuardShield Safe 4 receiver has two safety outputs Output Signal Switching Devices OSSDs When the GuardShield Safe 4 transmitter and receiver are properly powered and aligned all OSSDs are current sourcing 24V DC with a switching capacity of 300 mA The two safety OSSDs are cross monitored and short circuit protected Interruption of the sensing field causes the receiver to switch
55. sign All stopping mechanisms for the machinery should be inspected regularly to ensure proper operation The protected machinery must have a consistent reliable and repeatable stopping time Failure to read and follow these instructions can lead to misapplication or misuse of the GuardShield Safe 4 safety light curtains resulting in personal injury and damage to equipment B Allen Bradley e Original instructions 1 Guard Imartef GuardShield Safe 4 Safety Light Curtain User Manual Table of Contents This manual covers the operation and installation of the e GuardShield Safe 4 POC and PAC safety light curtains and Introduction ssssesssssessesssesosssosseeese 3 Guard Sidd Safe 4 special configurations in theuppendix Safety PrecautionS ssssssosossessessessesoee 3 IMPORTANT Save these instructions for use at a future Principles for Safe Use and Symbols Used 000 00000000 3 time Specialist Personnel trerererrereerereerereerereeee 3 Generally recognized technical regulations and quality Range of Uses of the Device 0 0 ccc ena 3 assurance system ISO 9000 are carefully applied during Propet Use ssa ini e A 4 the development and production of Allen Bradlev General Protective Notes and Protective Measures 4 Guardmaster products Product Description c ccccecccceeccceece 4 ET E E FE jal Features iwa ea elena sie vaca isba ka pea ae KA 4 is technical descripti
56. t Curtain User Manual Cleaning If the optic front cover of the GuardShield Safe 4 is dirtv the outputs of the GuardShield Safe 4 turn off Take a clean soft cloth and rub without pressure Donot applv aggressive abrasive or scratching cleansing agents which might attack the surface Date Code and Label sensado GuardShield pravog imortei Safe 4 Transmitter C We CatNo 445L P4S0120YD Ser A Rev A 107815 S4S BEF1I KH4 ACD51 ID 2504 2504 LUMI LU JDUQU ME DI ESPE Type 4 3TOQISAA 100519 000001 SW V1 90 HW V2 20 AABCCDEE AA Production place AL Mexico 3T Switzerland B Year CC Day LA 001 LB 002 D Internal RA product code 4 GS Safe4 System 5 GS Safe4 Tx 6 GS Safe4 Rx EE Counter AA 001 AB 002 Example 3TOQISAA AA 3T Produced in Switzerland B 0 Year 2010 CC QI Day 138 19 May D 5 Transmitter EE AA 001 18 Original instructions Allen Bradley e Guard imore Technical Specifications GuardShield Safe 4 Safety Light Curtain User Manual Light Beams Min 8 Max 256 Protective Field 120 1920 mm 4 7 75 6 in in 120 mm 4 7 in increments for Standard GuardShield Safe 4 Resolution 14 mm 0 55 in 30 mm 1 18 in 14 mm 0 55 in 0 9 0m 0 29 5 ft 30 mm 1 18 in 0 18 0 m 0 59 0 ft Range 30 mm 1 18 in 5 30 0 m 16 4 98 4 ft PAC 2 3 4 beams 5 30 0 m 16 4 98 4 ft Response Time OSSD ON to
57. tains are intended to be used to to provide point of operation and perimeter access safeguarding of personnel on a variety of machinery The GuardShield Safe 4 family of safety light curtains are general purpose presence sensing devices which are designed to protect personnel working on or near machinery The installation of GuardShield Safe 4 safety light curtains must comply with all applicable federal state and local rules regulations and codes It is the responsibility of the employer to properly install operate and maintain the product as well as the machinery on which the GuardShield Safe 4 presence sensing device is installed GuardShield Safe 4 safety light curtains must be properly installed by qualified personnel GuardShield Safe 4 safety light curtains are presence sensing devices and will not protect personnel from heat chemicals or flying parts They are intended to signal a stop of hazardous machine motion when the sensing field is broken GuardShield Safe 4 safety light curtains can only be used on machinery which can be stopped anywhere in its stroke or cycle GuardShield Safe 4 safety light curtains should never be used on full revolution clutched machinery The effectiveness of the GuardShield Safe 4 safety light curtains depends upon the integrity of the machine control circuit The machinery on which the GuardShield Safe 4 presence sensing device is installed should have control circuitry that is fail safe in de
58. the sourced current OFF ov DC Restoring the GuardShield Safe 4 sensing field causes all outputs OSSDs to switch to the active high state resume current sourcing 24V DC with a switching capacity of 300 mA Allen Bradley e Guaidimater GuardShield Safe 4 operates in the guard only mode with automatic restart Other modes of operation e g PSDI mode break mode muting external relay monitoring EDM can be realized using external safety devices The GuardShield Safe 4 safety light curtain consists of a transmitter and a receiver Transmitter Receiver Figure 1 Components of the GuardShield Safe 4 The protective field and the active elements respectively are clearly recognized as black surfaces with the integrated optical lenses The width of the protective field is derived from the length of the light path between sender and receiver and must not exceed the maximum rated width of the protective field e 0 9 m 22 9 ft for 14 mm 0 55 in resolution or e 0 18 m 59 1 ft for 30 mm 1 18 in resolution or e 5 30 m 16 4 98 4 ft for 30 mm 1 18 in resolution Perimeter Systems PAC Perimeter systems are usually produced by means of several single beam light barriers But the flexibility of the GuardShield Safe 4 system allows also the production of vertical entry safeguarding according to the standard EN ISO 13855 2010 Such systems are composed of active and passive elements in one compact pro
59. ush sivas p i A 32 Part List Safe 4 Specials 0 0 33 Introduction In addition to the GuardShield Safe 4 manual this appendix shows some special systems e g e GuardShield Safe 4 without laser alignment system ILAS e Systems with a hard wired connection end cap e Cascaded systems e Systems with separated controller e Other special systems Systems without an Integrated Laser Alignment System ILAS The systems mentioned in the table below are not equipped with an integrated laser alignment ILAS system So the profile length is reduced by 25 mm on each side of the protective field see Figure 22 B Allen Bradley l Guard irate GuardShield Safe 4 Safety Light Curtain User Manual GuardShield Safe 4 Systems without Laser Alignment 445L 103001 0163 Original instructions 14 0 55 Protective Heights Range Sensor Pair mm in mm in m ft 445L 103000 0189 14 0 55 120 4 7 9 29 5 4451 103000 0044 14 0 55 240 9 5 9 29 5 445L 103000 0076 14 0 55 360 14 2 9 29 5 445L 103000 0130 14 0 55 480 18 9 9 29 5 445L 103000 0036 14 0 55 600 23 6 9 29 5 445L 103000 0157 14 0 55 720 28 4 9 29 5 445L 103000 0153 14 0 55 840 33 1 9 29 5 445L 103000 0140 14 0 55 960 37 8 9 29 5 445L 103000 0136 14 0 55 1080 42 5 9 29 5 445L 103000 0195 14 0 55 1200 47 2 9 29 5 445L 103000 0196 14 0 55 1440 56 7 9 29 5 4451 103000
60. ust be maintained between the light curtain and the point of danger This safety distance ensures that the point of danger can only be reached after the dangerous state of the machine has been completely removed The safety distance as defined in EN ISO 13855 and EN ISO 13857 depends on e Stopping run down time of the machine or system The stopping run down time is shown in the machine documentation or must be determined by taking a measurement e Response time of the protective device e g GuardShield Safe 4 for Response Time see page 6 e Reach or approach speed e Resolution of the light curtain and or beam separation Safety distance S D Protective field height Distance to avoid standing behind the safety curtain lt 75mm Figure 3 Safety distance from the point of danger How to Calculate the Safety Distance S for GuardShield Safe 4 Systems with a resolution lt 40 mm According to EN ISO 13855 and EN ISO 13857 gt First calculate S using the following formula S 2000 x T 8 x d 14 mm Where T stopping run down time of the machine response time of the protective device s d resolution of the light curtain mm S safety distance mm The reach approach speed is already included in the formula gt If the result S is lt 500 mm 19 6 in then use the determined value as the safety distance GuardShield Safe 4 Safety Light Curtain User Manual gt If the result S
61. ve field of the system The minimum distance a depends on the distance D between sender and receiver Distance D meters Figure 4 Minimum distance from reflecting surfaces How to Determine the Minimum Distance from the Reflecting Surfaces e Determine the distance D m sender receiver e Read the minimum distance a mm from the graph 8 Original instructions D m 3 5 10 15 20 Figure 5 Graph minimum distance from reflecting surfaces The effective aperture angle for the GuardShield Safe 4 system is 2 5 at a mounting distance of gt 3 0 m 9 8 ft Calculate the minimum distance to reflecting surfaces depending on the distance between the transmitter and the receiver using an aperture angle of 2 5 or take the appropriate value from the following table Distance Between Transmitter and Receiver Minimum Distance Range D m ft a mm in 0 3 0 0 9 8 135 5 31 4 0 13 1 175 6 88 5 0 16 4 220 8 66 6 0 19 6 265 10 43 7 0 22 9 310 12 2 10 0 32 8 440 17 32 16 0 52 4 700 27 55 Formula a tan 2 5 x D mm a minimum distance to reflecting surfaces D distance between transmitter and receiver Installation and Mounting This section describes the preparation selection and installation of the GuardShield Safe 4 safety light curtain Mount and connect both transmitter and receiver IMPORTANT The installation

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