GuardShield Safe 2 and Safe 2 PAC Safety Light Curtains User
Contents
1. GuardShield Safe 2 and Safe 2 PAC Safety Light Curtains User Manual Allen Bradley 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 or part without2. To prevent exposure to laser radiation do not expose vour eves to the laser Turn ILAS off if not in use Safety Functions All GuardShield Safe 2 safety light curtains operated as on off devices meaning the OSSD outputs switch off on according to an obstruction or clearing of the detection field IMPORTANT The protective system must be tested for proper operation after each and every change to the configuration System Testing The GuardShield Safe 2 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 2 transmitter Supplying or removing a signal 24V DC via a 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 2 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 circu
3. Cuaird netet GuardShield Safe 2 Safety Light Curtain User Manual Dailv Inspection 1 Approach to hazardous machine parts must only be possible by passage through the protective field of GuardShield Safe 2 Ki 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 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 2 is turned off If the blanking function is activated check all sections of the protective field with the appropriate test piece 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 IMPORTANT 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 sa
4. 445L P2S2500YD GuardShield Safe2 PAC receiver transmitter pair 30 mm resolution 2 beam 500 mm spacing 445L R2S3400YD GuardShield Safe2 PAC receiver 30mm resolution 3 beam 400 mm spacing 445L T2S3400YD GuardShield Safe2 PAC transmitter 30mm resolution 3 beam 400 mm spacing 44SL P253400VD GuardShield Safe2 PAC receiver transmitter pair 30 mm resolution 3 beam 400 mm spacing 1 If no series number is given then all series are covered NOMENCLATURE 445L P 2 S 0960 mg e H 2 3 4 5 6 7 Designates Product Line 445L SafeShield safety light curtain Designates Optic Head Designation P Transmitter and receiver pair R Receiver T Transmitter Designates AOPD Safety Type 2 Type 2 Designates Photoelectric Safety Device and Sensing Resolution S Safe2 30 mm sensing Designates Protective H eight 0120 120mm 1080 1080 mm 0240 240 mm 1200 1200 mm 0360 360 mm 1320 1320 mm 0480 480 mm 1440 1440 mm 0600 600 mm 1560 1560 mm 0720 720mm 1680 1680 mm 0840 840 mm 1800 1800 mm 0960 960 mm 1920 1920 mm Designates Environmental Rating Y Dos Designates Connection Type D Micro style quick disconnect M12 B Allen Bradley e Cuaird netet Original instructions 27 GuardShield Safe 2 Safety Light Curtain User Manual Allen Bradley e 2
5. 445L P250240YD 4451 T2S0240YD 4451 R2S0240YD 30 1 18 240 9 5 10 5 ms 18 59 2 2 4451 P2S0360YD 4451 T2S0360YD 4A5L R250360VD 30 1 18 360 14 2 13 2 ms 18 59 2 6 4451 P2S0480YD 4451 T2S0480YD 4451L R2S0480YD 30 1 18 480 18 9 15 8 ms 18 59 3 0 4451 P2S0600YD 4451 T2S0600YD 4451L R2S0600YD 30 1 18 600 23 6 18 5 ms 18 59 3 4 4A5L P250720VD 4451 T2S0720YD 4A5L R250720VD 30 1 18 720 28 4 21 1 ms 18 59 4 0 4451 P2S0840YD 4451 T2S0840YD 4A5L R250840VD 30 1 18 840 33 1 23 8 ms 8 59 44 4451 P2S0960YD 4451 T2S0960YD 4A5L R250960VD 30 1 18 960 37 8 26 3 ms 8 59 4 8 445L P291080YD 4A5L 1251080VD 4A5L R251080VD 30 1 18 1080 42 5 29 1 ms 8 59 5 4 445L P251200YD 4451 T251200YD 4A5L R251200VD 30 1 18 1200 47 2 31 6 ms 8 59 5 7 445L P251320YD 4A5L 1251320VD 4A5L R251320VD 30 1 18 1320 52 34 3 ms 8 59 6 1 4451 P2S1440YD 4A5L 1251440VD 445L R291440YD 30 1 18 1440 56 7 37 ms 18 59 6 5 4451 P2S1560YD 4451 T251560YD 4A5L R251560VD 30 1 18 1560 61 4 39 6 ms 18 59 6 9 4451 P2S1680YD 4451 1291680YD 4A5L R251680VD 30 1 18 1680 66 1 42 3 ms 18 59 72 4451 P2S1800YD 4451 T251800YD 445L R2S1800YD 30 1 18 1800 70 9 44 9 ms 18 59 75 4451 P2S1920YD 4451 1291920YD 445L R2S1920YD 30 1 18 1920 75 6 47 6 ms 18 59 8 3 GuardShield Safe 2 PAC Perimeter Number of Protective Heights Range Weight per pair Transmitter Receiver Beams mm in Response Time m ft kg Light Curtain Pair 445L
6. aaa aaa 10 Mounting Brackets sss 2252 ak ilbist i E 10 Electrical Installation 1 0000 0 eee ee eee ve vec eve vene 11 TEE 11 Typical Wiring Diagram aaa aaa eee epe epe 14 Trouble Shooting Guide 16 Ghecklistmn ni nd B a Ae 17 Safety Instructions Maintenance 17 Daily IASpection sesch Age Te KENNEN E ENEE Ae ae 17 Six Month Inspection aaa aaa aaa aaa ahahah 17 Se AI 18 Date Code and Label 18 Technical Specifications nenin de nee 19 Catalog Number Configuration 0 c nana 20 Dimensional Drawings vd ikisser si ka i 21 Certificate vend tas dh ee wien 26 EC Declaration of Conformitv aaa aa aa aa aaa 26 This manual covers the operation and installation of the e GuardShield Safe 2 POC and PAC safety light curtains IMPORTANT mi these instructions for use at a future 2 Original instructions Generally recognized technical regulations and quality assurance svstem ISO 9000 are carefullv applied during the development and production of Allen Bradlev Guardmaster products This technical description must be followed when installing and commissioning the GuardShield Safe 2 Inspection and commissioning must be carried out by a qualified person Rockwell Automation reserves the right to make changes or revisions to the material contained in this publication and cannot be held liable for incidental or consequential damages resulting from the furnishing performance or us
7. 1272 1340 FAGLAM 1250900 A Minor 900 men 15 m 19961840 1972 11040 E teller kees en 440L AM1251050 A Mirror 1050 mm 15m 1146 1090 1122 1190 MOL AMOTS1500 JA Leer 1500 mm 4 m 440L AM1251200 A Mirror 1200 mm 15m 1296 j1240 1272 1340 440L AM0751650 A Mirror 1650 mm 4m 1746 1690 1722 1790 Cause A Me 1800 mr A hese AD 1787211320 AAOL AM1251350 A _ Mirror 1850 mm 15m 1144611390 1422 1490 S i i 440L AM1251500 A Mirror 1500 mm 15m 1596 1540 1572 1640 440L AM1251650 A Mirror 1650 mm 15m 11746 1690 1722 1790 440L AM1251800 A Mirror 1800 mm 15m 11896 1840 11872 1940 a A Allen Bradle 24 Original instructions TAMEN Guaidh marte GuardShield Safe 2 Safety Light Curtain User Manual Corner Mirror for Multi Sided Guarding Specially constructed glass mirrors for 2 and 3 sided safeguarding applications Note Each mirror reduces maximum scan range by 10 per mirror Each corner mirror supplied with two end cap mounting brackets GuardShield Safe 2 Light Protected Height Narrow Mirror Short Mirror Height Wide Mirror Long Range Mirror Height mm in Range 0 4m mm in 4 15m mm in Cat No 120 240 4 7 9 4 300 11 8 440L AM0750300 440L AM1250300 E 360 14 2 450 17 7 440L AM0750450 440L AM1250450 480 19 600 23 6 440L AM0750600 i 440L AM1250600 600 24 750 29 5 440L AM0750750 750 29 5 440L AM1250750 720 840 28 33 900 35
8. 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 4401 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 4401 AMO751800 1800 70 9 OL AM125180 Mounting Stand 440L AMSTD 445L AMSTD2M Wa 1 1 7 16 Dia o o o o o D o 12 7 0 5 Dia 4X OO OO M10 x 1 5 mm Class 6g thru 4 pl 60 381 0 15 2 36 0 47 g 1150 6 35 K2 22 0 25 0 9 45 Base Plate AB S SEN Allen Bradley Original instructions 25 Cuaird imate GuardShield Safe 2 Safety Light Curtain User Manual Certificate EC Declaration of Conformitv The undersigned representing the manufacturer and the authorised representative established within the Community Rockuvell Automation Inc Rockwell Automation BV 1201 South Second Street Rivium le Straat 23 Mihvaukee WI 53204 2209 LE Capelle aan den Issel USA Netherlands Herewith declare that the Products Safe2 Safety Light Curtains Product identification brand and catalogue Allen Bradley GuardShield 44SL Series number part number reference the attached list of catalogue numbers Product Sa
9. OSSD error external short circuit all 3s between OSSD 1 and OSSD 2 towards short time flashing 0 Vor 24V DC Controller error internal lg 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 Up or of OSSD to GND 2 Transmitter Test input open 3 No power or power supply too low 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 Gus DS Prior to powering up the GuardShield Safe 2 svstem the responsible person should review the following checklist IMPORTANT Checklist Before the initiation of the GuardShield Safe 2 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 2 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 2 The transmit
10. installation of the GuardShield Safe 2 safety light curtain must be such that access to the hazard is only possible through the sensing field of the GuardShield Safe 2 Auxiliary safe guarding may be required in conjunction with the GuardShield Safe 2 to meet this requirement Determine if the machinery on which the GuardShield Safe 2 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 Alignment Procedure GuardShield Safe 2 The GuardShield Safe 2 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 2 transmitter and in the top of the GuardShield Safe 2 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 Cycle power to assure that the system powers up and goes to the ON state 1 Properly locate the GuardShield Safe 2 pair from t
11. 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 must 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 2 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 GuardShield Safe 2 Safety Light Curtain User Manual How to Calculate the Safety Distance for GuardShield Safe 2 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 Is 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 v
12. 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 Additional 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 2 Laser Alignment The laser light source in the Integrated Laser Alignment system of the GuardShield Safe 2 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 Original instructions 5 GuardShield Safe 2 Safety Light Curtain User Manual
13. 0L AM125 8x13 Section A m SS Q VY 6 5 i i D Gi WW 164 6 45 d i 10 5 0 41 I geg H i L M JH ST UI li mi TT T I I j i A A i f l A ki el il ji T F Ls L i i 340 396 134 15 60 A B 1 H 372 440 14 64 17 32 l l 2 105 Sa K ie 0 41 HE cps l DI EE 0 25 Sc 123 4 84 A UH Lu I d be i oi 6 iW i i 50 50 sl 1 96 1 96 Model No Series Description L jLIsjA B 8X13 440L AM0750300 A Mirror 300 mm 4m 396 340 372 440 L lie als 440L amo750450 A Miror 450mm 4m 546 490 522 590 Model No Series _Description S 440L AM0750600 A Mirror 600 mm 4 m 696 640 1672 1740 440L AM1250300 A Mirror 300 mm 15 m 396 340 372 440 440L AM0750750 A Mirror 750 mm 4m 846 790 1822 890 440L AM1250450 A Mirror 450 mm 15 m 546 490 522 590 4401 AMO750900 A Mirror 900 mm 4m 1996 940 972 1040 440L AM1250600 A Mirror 600mm 15m 1696 640 672 740 440L AM0751050 A Mirror 1050 mm 4m 1146 1090 1122 1190 Z40L AM1250750 A Mirror 750 mm 15m 1846 790 1822 1890 440L AM0751200 A Miror 1200mm 4m ee 1240
14. 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 Polvcarbonate Dimensions cross section Approx 30 x 40 mm 1 18 x 1 57 in Accessories Included est rod mounting brackets operating instructions Approvals TUV Rheinland IEC 61496 Parts 1and 2 UL 61496 Parts 1 and 2 UL 1998 Safety Classification Type 2 per EN IEC 61496 Category 2 EN ISO 13849 SIL 2 IEC 61508 SIL CL2 EN 62061 PL 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 e Cuaird netet Original instructions 19 GuardShield Safe 2 Safety Light Curtain User Manual Standard GuardShield Safe 2 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 P250120YD 4451 T2S0120YD 4ASL R250120VD 30 1 18 120 4 7 7 9 ms 0 18 59 1 9
15. 8 Original instructions Guard inate GuardShield Safe 2 Safety Light Curtain User Manual B Allen Bradley e Original instructions 29 Guci imate GuardShield is a trademark of Rockwell Automation Inc Guardmaster is a registered trademark of Rockwell Automation Inc www rockwellautomation com Power Control 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 E Cvberport 3 100 Cvberport Road Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Publication 10000169325 Ver 00 March 2011 Copyright 2011 Rockwell Automation Inc All Rights Reserved Printed in USA CSA 108 758
16. D 1612 63 5 1 Io AASL P291560YD 1733 68 2 module lager jil aser d MA5l P251680VD 1853 72 9 1 40 3 445L P251800YD 1973 77 6 30 _ 1 56 _ 0 12 1 18 MASL P251920VD 2093 82 3 Figure 20 Safe 2 B Allen Bradle tainali hd CET Original instructions 21 Guidi malet GuardShield Safe 2 Safety Light Curtain User Manual si 120 81479 g 10 SI 472 af 240 810 5 109 45 31 91 g 360 g 14 7 1051 wel 120 41 38 S 4 72 ej 120 EJ 240 SJ 4 72 SI 9 45 5 4 29 9 0 16 og sl 120 1 4 72 al 29 9 0 16 1 18 Figure 21 Safe 2 PAC two beam and three beam Female Connector End Cable Face View of Female Connector Style Pin Wire Color Wire Rating Length m ft Cat No 2 6 56 889D F5AC 2 5 16 4 889D F5AC 5 i l 32 8 889D FSAC 10 Straight Female Nonshielded 2 49 2 889D FSAC 15 Kevwa 5 Se 889D FSAC 20 et Nu 98 4 889D FSAC 30 1 ES 656 889D F5EC2 DEA 3 1 Brown 16 4 889D F5EC 5 4 2 White 32 8 889D F5EC 10 Straight Female Shielded 3 Blue 4 Black 49 2 889D FSEC 15 5 Grey 65 6 889D FSEC 20 98 4 889D F5EC 30 Table 3 Cordsets Transmitter and receivers both use 5 pin M12 cordsets Allen Bradley e Guard inatet 22 Original instructions GuardShield Safe 2 Safety Light Curtain User Manual Required Logic Interfaces Description Safety
17. Distance Calculation Formula The OSHA safety distance formula as specified in CFR Subpart O 1910 217 is as follows Ds 63 XT Ds Safety Distance in inches 63 Isthe OSHA recommended hand speed constant in inches per second Ts Isthe total 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 Det 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 re
18. I safety relay manual reset 24V 445L P2S0840YD 1 Brown 2 White OSSD2 Black OSSDI Test 4 Contact se AT s11 552 s12 13 25 33 41 LI L2 13 MSR127TP N X BI E 3 Blue 440R N23132 ESCH Mating Cable 2 521 22 su A2 14 24 Jumper required for normal operation K1 K2 8 Figure 17 Safe 2 or Safe 2 PAC for manual reset mode using MSR1271P safety relay module Allen Bradley e 14 Original instructions Guard inatet GuardShield Safe 2 Safety Light Curtain User Manual 24V Muting Lamp ie MSR42 MSRASE NA 440R P22SAGS NNR 440R PANNS i DIN Rail JI DIN Rail 445L P250800YD P D 13 Brovvnr 7 Brown lamp i 2 White OSSD2 GPICA White Black OSSD1 Test 2 __ 4 en Contact Black 4 GPIC2 14 Grey TE Grey GPICI E E dech K2 KI z a d t JIN2 23 Reset E Blue 3 SS 3 Blue IN1 ov 24 Jumper required 24V for normal operation Sensor 2 Brown OJ 42EF P2MPB F4 Ribbon Cable Jumper 440R ACABL1 Black Blue Sensor 1 H Brown Black Blue ov Figure 18 Safe 2 or Safe 2 PAC for two sensor muting using MSR42 multi function safety module and MSRASE safety relay expansion module B Allen Bradley e Guci imate Original instructions 15 Guar
19. Outputs Auxiliary Outputs Reset Type Power Supply Cat No Single Function Safety Relays for 2 N C Contact Switch MSR127RP 3N 0 1N C Removable Screw Monitored Manual 24V AC DC 440R N23135 MSR127TP 3N 0 1N C Removable Screw Auto Manual 24V ACIDC 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 INC a Solid Removable Auto Manual or Monitored Manual SCH Ve base 440R H23176 MSR220P Input Module Removable 24V DC 440R H23178 MSR310P Base et deg 3 PNP Solid State Removable Auto Manual Monitored Manual 24VDC 440R W23219 MSR320P Input Module 2 PNP Solid State Removable ZAN DC from the base 440R W23218 Muting Modules MSR22LM 2N 0 INC Removable Auto Manual 24V DC 440R P23071 MSRA2 also requires optical Interface 445L AF6150 for 2PNP 2 PNP configurable Removable Auto Manual or manual monitored 24V DC 440R P226AGS NNR GuardShield Safe 2 configurations Optional accessories Description Cat No Standard kit 4 pieces supplied with each pair 445L AF6140 180 Adjustable kit two kits required per pair 445L AF6141 two kits BR is SC i light curtains 445L AF6142 Vertical mounting kit two kits required per pair 445L AF6144 Allen Bradley Original instructions 23 Cuaird imate GuardShield Safe 2 Safety Light Curtain User Manual Mirror 440L AM075 Mirror 44
20. P2S2500YD 4451 1292500YD 445L R2S2500YD 600 23 6 10 5 ms 5 16 4 30 98 4 3 0 445L P2S3400YD 445L 1253400YD 445L R2S2500YD 3 840 33 0 13 2 ms 5 16 4 30 98 4 3 9 Catalog Number Configurator 445L P 2 S 0720 Y D 20 Protective Height mm 0120 0240 0360 0480 Environmental Rating IP65 Connector Option L D Standard M12 POC Beam Spacing PAC 0600 0960 1320 0720 1080 1440 0840 1200 1560 S 30 mm resolution 0 18 m range or PAC 5 30 m range Category Type 2 P Pair T Transmitter R Receiver Bulletin Number Original instructions 1680 1800 1920 2500 3400 Allen Bradley e Guard inatet GuardShield Safe 2 Safety Light Curtain User Manual Dimensional Drawings mm in A B I Protective Height Profile Length da Po Type mm in mm in li U A UJI N 4451 P2S0120YD 120 4 7 290 11 4 4A5L P250240YD 240 9 4 410 16 1 I 4A5L P250360YD 360 14 2 530 20 9 bre o 445L P250480YD 18 9 650 25 6 module E 10 lager S 445L P250600YD 23 6 771 30 4 0 39 e 0 39 l gt 445L P250720YD 28 3 891 35 1 8 445L P250840YD 1011 39 8 oO G E 4A5L P250960YD 1131 44 3 H D 445L P2S1080YD 1252 49 3 5 445L P251200YD 1372 54 0 1 Q lej ib 445L P251320YD 1492 58 7 445L P2S1440Y
21. Transmitter Pin 4 Testi Pin 1 1 24V DC Receiver Pin 5 PE Pin3 0V 24V DC Pin 4 OSSD 1 S Pin 2 Figure 13 Pin assignment of the M12 connectors M12 Connector Dimensions mm in j 47 1 85 IK Receiver Transmitter Signal Receiver 24V OSSD 2 ov 0SSD 1 Ground PE Female Top View GuardShield Safe 2 Receiver Connector pin assignments and wire colors Signal Receiver 24V Test 2 ov Test 1 Ground PE Female Top View GuardShield Safe 2 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 D D Figure 15 Test timing diagram tr means the response time of the respective Safe 2 type see product O O o m oR R zZ X gg 2 b label le te lt ija N H 8 IECH Internal test Value 1 Continuous test current 10mA Peak test current 100 mA 1 Operation with internal test 2 Test using a relay contract 2 Time of peak test cur
22. afety 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 2 Resolution 30 mm 1 18 in Range 30 mm 1 18 in 0 18 0 m 0 59 0 ft g PAC 2 and 3 beams 5 30 0 m 16 4 98 4 ft Response Time OSSD ON to OFF Reaction times see tables on pages 20 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 Part 2 within 5 for transmitter and receiver 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 Input Transmitter Minimum duration 100 ms Voltage level for Logic 0 0 5V DC Machine Test Signal Voltage level for Logic Hi 1 gt 16V DC Outputs 2 solid state outputs max switching capacity 300 mA short circuit protected Safety Outputs 0SSDs puso MAX g capacity p 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
23. alue as the safety distance gt If the result S 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 __ mm 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 2 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 2 sensing field All reflecting surfaces and objects e g material bins must therefore be loc
24. 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 the sourced current OFF 0V DC Restoring the GuardShield Safe 2 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 GuardShield Safe 2 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 2 safety light curtain consists of a transmitter and The machine operator is to be instructed in the use of the device by a receiver specialist personnel and must be instructed to read the installation instructions 4 Original instructions 5 Allen Bradley Guaidh marte Receiver a Transmitter a e Figure 1 Components of the GuardShield Safe 2 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 18 m 59 1 ft for 30 mm 1 18 in resolution or e 5 30 m 16 4 98 4 ft for Safe 2 PAC Pe
25. arge range with a compact profile 30mm resolution 0 18 mor 5 30m e Tolerant to dust and pollution e Short circuit protected semiconductor outputs e Built in diagnostic LEDs e Optical synchronization no electrical cable needed between transmitter and receiver e Maintenance free and cost effective Principles of Operation The GuardShield Safe 2 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 2 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 2 status LEDs This beam is referred to as the synchronization beam Because the GuardShield Safe 2 transmitter and receiver are optically synchronized no electrical connection is required between the transmitter and receiver The GuardShield Safe 2 receiver has two safety outputs Output Signal Switching Devices OSSDs When the GuardShield Safe 2 transmitter and receiver are properly powered and aligned all OSSDs
26. ated at a minimum distance a from the protective field of the system The minimum distance a depends on the distance D between sender and receiver Distance tolavoid standing behind the safety curtain lt 75mm Figure 3 Safety distance from the point of danger AB p ee A Allen Bradley Original instructions 7 Cuaird imate GuardShield Safe 2 Safety Light Curtain User Manual 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 a mm 1600 1500 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 TITLI IN 3 5 10 15 20 Figure 5 Graph minimum distance from reflecting surfaces The effective aperture angle for the GuardShield Safe 2 system is 5 0 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 5 0 or take the appropriate value from the following table Distance Between Transmitter and Receiver Minimum Distance Installation and Mounting This section describes the preparation selection and installation of the GuardShield Safe 2 safety light curtain Mount and connect both transmitter and receiver IMPORTANT The
27. contacts Matshita 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 e Guci imate GuardShield Safe 2 Safety Light Curtain User Manual Original instructions 13 GuardShield Safe 2 Safety Light Curtain User Manual Tvpical Wiring Diagrams Safe 2 or Safe 2 PAC Connection with Guardmaster SI Safetv Relav 24V DC 445L P2S0840YD no BRN 1 1 BRN 771 BLK BLK K2 Test 4 4 Contact WHT 2 2 WHT L1 L2 L3 GRY 5 5 GRY Reset SS gt gt 800FM KI pal BLU BLU F3MX10 3 3 E S11 S12 Al S34 13 23 Mating Cable 2 K2 e B i i s RESET H Keen jumper required Die for normal 440R S12R2 SE el operation MM S21 S22 A2 L11 Y32 14 24 M KI K2 1005 C43DJ404BC Aux ov Figure 16 Safe 2 to Guardmaster S
28. d to be used to to provide point of operation and perimeter access safeguarding of personnel on a variety of machinery The GuardShield Safe 2 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 2 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 2 presence sensing device is installed GuardShield Safe 2 safety light curtains must be properly installed by qualified personnel GuardShield Safe 2 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 2 safety light curtains can only be used on machinery which can be stopped anywhere in its stroke or cycle GuardShield Safe 2 safety light curtains should never be used on full revolution clutched machinery The effectiveness of the GuardShield Safe 2 safety light curtains depends upon the integrity of the machine control circuit The machinery on which the GuardShield Safe 2 presence sensing device is installed should have control circuitry that is fail safe in design All stop
29. dShield Safe 2 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 Nata iI 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 green e green Test input Output inactive 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 ai field not interrupted normal 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 OSSD off off load operation protective field interrupted or insufficient flashing on alignment of the system
30. e 1 16 I M4x16 A45L AF6140 Standard mounting brackets supplied vvith each light curtain For side mounting Adjustable by 4 Two brackets per kit M6x60 17 I nl ES ES Nd Gs 1 60 185 JI 6 31 445L AF6144 Vertical mounting brackets optional For mounting in the vertical axis of the light curtain Adjustable by 4 Two brackets per kit ri gt 364 1 43 445L AF6141 180 Mounting 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 2 Safe 2 Shock Mounting Kit Rockwell Automation offers a shock and vibration isolation kit for vertically mounting the Safe 2 This kit is most effective in protecting the GuardShield Safe 2 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 079 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 s
31. e of this material Allen Bradley e Cuad imore Introduction The GuardShield Safe 2 family of safety 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 is a self contained two box Type 2 ESPE Electro Sensitive Protective Equipment for use on or around machinerv A formal risk assessment is required to determine ifa Tvpe 2 safetv device provides a sufficient level of safetv for the application IMPORTANT These installation instructions are designed to address the technical personnel of the machine manufacturer and or the installer of the safetv svstem regarding the proper mounting configuration electrical installation commissioning operation and maintenance of the GuardShield Safe 2 safety light curtain These installation instructions do not provide instruction for the operation of machinery to which the GuardShield Safe 2 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 2 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 a
32. econdary 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 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 Basic insulation hazardous voltage levels Output pink Basic insulation and grey a oo Guard Shield ki 2 2 l Motor etc internal optical and electronic components of the Safe 2 light curtain The best performance of the shock and vibration isolation kit is attained ponr when the kit is used in conjunction with the Safe 2 vertical mounting Unit2 1 brackets 445L AF6144 soi Hazardous voltage level Reinforced l Ga n Le Basic insulation insulation or A e EB JES Ja double es insulation Hazardous Hazardous voltage level voltage level B Allen Bradle ainal hd SE Original instructions 11 Cuaird imate GuardShield Safe 2 Safety Light Curtain User Manual Cables Connectors The GuardShield Safe 2 transmitter and recciver connectors are S pin M12 quick disconnect connectors Shielded and nonshielded cordsets Pin 5 PE Pin3 0V Pin 2 Test2 are offered in lengths from 2 to 30 meters
33. fety Function Safe2 safety light curtains are Type 2 active opto electronic Dee devices AOPD with resolutions of 30mm PAC They are cascadeable and can e used in applications up to Pind PL d EN ISO Safety Category 2 EN 954 1 SIL2 SIL CL2 EN 61508 EN 62061 13849 1 are in conformity with the essential requirements of the following EC Directive s when installed in accordance with the installation instructions contained in the product documentation 98 37 EC and 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 AOPD5 EN ISO 13849 1 2008 Safety of machinery Safety related parts of control systems Part 1 General principles for design EN 61508 Parts l 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 electr
34. fety function PA The latest machine or connection modifications have no effect on the control system The outputs of the GuardShield Safe 2 are properlv 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 2 are in good condition 6 Mounting brackets caps and cables are tightly secured Original instructions 17 GuardShield Safe 2 Safety Light Curtain User Manual Cleaning If the optic front cover of the GuardShield Safe 2 is dirtv the outputs of the GuardShield Safe 2 turn off Take a clean soft cloth and rub without pressure Donot applv aggressive abrasive or scratching cleansing agents vyhich might attack the surface Date Code and Label wien GuardShield prod eo Ee Safe 2 Transmitter C is CatNo 445L P2S0120YD Ser A Rev A 107815 S2S BEF1I KH4 ACD51 ID 2504 2504 LONA I A TT ESPE Type 2 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 Safe 2 System 5 GS Safe 2 Tx 6 GS Safe 2 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 SE GE Technical Specifications GuardShield Safe 2 S
35. he point of operation hazard after performing the safety distance calculation 2 Using the GuardShield Safe 2 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 Range X m ft a mm in GuardShield Safe 2 system 0 2 3 0 0 65 9 8 263 10 4 4 0 13 1 350 13 8 5 0 16 4 437 17 2 6 0 19 6 525 20 7 7 0 22 9 613 24 1 10 0 32 8 875 34 5 16 0 52 4 1400 55 1 18 0 59 1 1575 62 0 Formula a tan 2 5 x D mm a minimum distance to reflecting surfaces D distance between transmitter and receiver s S 8 Original instructions S Allen Bradley SE GE Incorrect Transmitter Receiver Correct Transmitter Receiver Figure 6 Lavout 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 5 Tighten all screws firmly 6 Switch the ILAS off when aligned When mounting Perimeter Systems adjust the heights acco
36. it 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 danger e From reflecting surfaces US Safety Distance Formula TI The GuardShield Safe 2 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 6 Original instructions 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 2 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 OSHA Safety
37. nd IMPORTANT to alert you to the following ATTENTION l l A Failure to observe may result in dangerous operation ATTENTION Identifies information about practices of circumstances that can lead to personal injurv or death propertv 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 ATTENTION Potentially hazardous situation which if not prevented might lead to serious or deadiv injurv Failure to observe may result in dangerous operation B Allen Bradley e Cuaird netet Original instructions GuardShield Safe 2 Safety Light Curtain User Manual Wun the GuardShield Safe 2 must not be used with machines that cannot be stopped electrically in an emergency The safety distance between the GuardShield Safe 2 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 2 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 hazard
38. onic 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 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 Product Safety GmbH EC Type Examination Am Grauen Stein Registration No BB 600022682 0001 D 51105 K ln Germany Report No 968 M204 02 09 Manufacturer Authorised Representative in the Community D LI D Signature Signature Name Daniel L Nachtigall Name Viktor Schiffer Position Supv Product Certification Engineering Position Engineering Manager Date 03 Dec 2009 Date 08 Dec 2009 Document Control Number SEN 0391 A EN 1 2 E n S T 26 Original instructions Allen Bradley Guard inatet GuardShield Safe 2 Safety Light Curtain User Manual Catalogue number 1 Description 445L x2SxYD GuardShield Safe2 safety light curtain per Nomenclature 445L R2S2500YD GuardShield Safe2 PAC receiver 30 mm resolution 2 beam 500mm spacing 445L T2S2500YD GuardShield Safe2 PAC transmitter 30 mm resolution 2 beam 500mm spacing
39. oper and safe use of the GuardShield Safe 2 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 health 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 e g on use mounting installation or integration into the existing machine controller must be observed The tests must be carried out by specialist personnel or speciallv qualified and authorized personnel and must be recorded and documented to ensure that the tests can be reconstructed and retraced at anv time The installation instructions must be made available to the user of the machine where the GuardShield Safe 2 safetv light curtain is installed Product Description This section provides information on the special features and properties of the safetv 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 L
40. ous spots at the machine application Never expose the GuardShield Safe 2 to flammable or explosive gases Regular safety inspections are imperative see maintenance Do not repair or modify the GuardShield Safe 2 The GuardShield Safe 2 safety light curtain is not field repairable and can only be repaired at the factory Removal of either of the GuardShield Safe 2 endcaps will void the warranty terms of this product Specialist Personnel The GuardShield Safe 2 safety light curtain must be installed 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 2 safety light curtain is classified as electro sensitive protective equipment ESPE The physical resolution of the POC is 30 mm 1 18 in The maximum protective field width of GuardShield Safe 2 POC is 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 Safe 2 PAC 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 2 PAC 2 and 3 beam is 5 30 m 16 4 98 4 ft All standard Gua
41. ping 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 2 safety light curtains resulting in personal injury and damage to equipment B Allen Bradley e 5 Original instructions 1 Guard Imartef GuardShield Safe 2 Safety Light Curtain User Manual Table of Contents Introduction ii dg EE NEEN sees 3 Safety Precautions EN 3 Principles for Safe Use and Symbols Used i ii aaa aaa 3 Specialist Personnel 1 aa aaa ane eee vene neve nevo cen 3 Range of Uses of the Deeg 3 Propet USE int 4 General Protective Notes and Protective Measures 4 Product Description An 4 SITE 4 Principles of Operation 4 Perimeter Systems DAC 5 Examples of Range of Use LL 5 Safety PUMCHONS 5 4 ar s itiru sa ae ka ek asus ee 6 Determining the Safety Distance 6 US Safety Distance Formula 1 ia aaa ena 6 OSHA Safety Distance Calculation Formula aaa aaa uc cica 6 The ANSI Safety Distance Formula iii ana 6 European Safety Distance Formula aaa aa aa aa aa aaa 7 Installation and Mounting 14 4 aa aa ad e ee eneve 8 Alignment Procedur s sees ENNEN NN tan upi e bet eos 8 Correct Installation aa eee nn 9 Incorrect Installation nn mnn 9 Multiple GuardShield Safe 25
42. rdShield Safe 2 POC and PAC light curtains have Integrated Laser Alignment The device is a Type 2 ESPE as defined by IEC 61496 1 and CLC TS 61496 2 and is therefore allowed for use with controls in safety category GuardShield Safe 2 Safety Light Curtain User Manual Type 2 applications up to safety category 2 EN 954 SIL2 SIL CL2 EN 61508 EN 62061 and PLd EN ISO 13849 1 This device is suitable for e Point of operation protection 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 5 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 2 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 pr
43. rding to the recommendations in the local standards and regulations Europe EN ISO 13855 2010 see Figure 2 The GuardShield Safe 2 safety light curtain is suitable for most operating environments IP65 environmental 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 2m R 7mm D 7mm 6m R 20mm D 21mm 9m R 30mm D 32mm 18m R 60mm D 63 mm 30m R 99mm D 105 mm Figure 7 Adjustment vvith ILAS Allen Bradley e Cuaird netet Original instructions GuardShield Safe 2 Safety Light Curtain User Manual Correct Installation 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 preven
44. rent 20 us 3 Test using PNP output Internal test Test LED Transmitter 3 Short circuited dosed Green e e A 0 Inacti Red Figure 14 Five pin female connection for Safe 2 pen dati ET t Allen Bradle 12 Original instructions TAMEN Guaidh marte Bringing into operation After the power has been applied to the GuardShield Safe 2 and the automatic power up test is successfullv 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 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
45. rimeter Systems PAC Perimeter systems are usually produced by means of several single beam light barriers But the flexibility of the GuardShield Safe 2 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 profile 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 Reference plane e g ground B Allen Bradley e Gus imate GuardShield Safe 2 Safety Light Curtain User Manual 1100 ke SS SSS SS SESS EE 1 K rrab s 700 ken E Reference plane e g ground Figure 2 Perimeter systems 2 and 3 beams according to EN ISO 13855 2010 Examples of Range of Use The GuardShield Safe 2 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
46. rresponding resolution 30 mm according to Figure 9 TI RI U TIT CH E H ri H H H H H S S H b SES fp R2 T2 Al t Figure 9 Correct testing of the protective field using a test rod Multiple GuardShield Safe 2 Transmitter Receiver Figure 10 Multiple GuardShield Safe 2 alignment options Mounting Brackets The GuardShield Safe 2 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 2 at a proper safety distance from the machinery hazard When two or more GuardShield Safe 2s are mounted in close proximity to one another it may be possible for the receiver of one GuardShield Safe 2 pair to receive infrared light from the transmitter of another GuardShield Safe 2 pair There are various techniques to prevent or eliminate the possibility of optical interference from GuardShield Safe 2 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 2 pair in close proximity It is also possible to place a physical barrier between pairs to prevent the infrared light from reaching another GuardShield Safe 2 pair 10 Allen Bradley e Original instructions SE GI 11 N 0 43 M6x40 HNZ H Y N 29 5 N K
47. st 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 determinations The employer should consider all factors including the physical ability of the operator when determining the value of K to be used Allen Bradley e SE GE 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 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 Doe can be approximated based
48. ter 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 T The connected switching elements load are not connected to 24V DC 8 For a self testing safety light curtain system the test output and input of the transmitter are short i circuited 9 No connection to a conventional power supply If two or more GuardShield Safe 2 are to be used make sure that each system is properly installed in order to avoid optical interference Switch the GuardShield Safe 2 on and check its function by observing the following Two seconds after switching on the svstem starts to work properlv if the protection field is free of obstructions Safety Instructions Maintenance ATTENTION Never operate the GuardShield Safe 2 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 2 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 e
49. tion Incorrect Installation Operators can reach hazardous machine parts without passing through the protective field Operators can step between protective field and hazardous machine parts A The GuardShield Safe 2 must be mounted at the proper distance from the point of operation hazard This distance is referred to as the Safety Distance GuardShield Safe 2 Safety Light Curtain User Manual Middle of Depth of Protective Field TEE gt Transmitters emit in in perau je opposite direction Each Safety Distance 9 gt gt receiver receives only the ve ALAA Top of tool beams of the appropriate ay WW P transmitter MALL RI TI T2 R2 p Z Z II PA J T Tr EM f machine stop Protective Field Marking E X Transmitters emit in same y j direction l Ve COZ777 Bottom of tool Optical phvsical barrier SIIA gt gt ER g WW Ge Sg Ge necessarv To avoid the possibility of TI RIJ T2 R2 pending between the protective ii vi E ii ield and the point of operation 75 mm the distance must be maintained Figure 8 Determining machine stopping time and safety distance Positioning of the light i curtain Transmitters emit in After installation and alignment of the GuardShield Safe 2 safety light gt opposite direction curtain the protection field has to be tested with the test rod for the E co
50. 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 mav 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 PAPI d dre It is recommended that you save this user manual for future use GuardShield Safe 2 Safety Light Curtain User Manual Conditions required for proper use of the GuardShield Safe 2 Safety Light Curtain Please make sure you read and understand these requirements before you select and install the GuardShield Safe 2 safety light curtain GuardShield safety light curtains are point of operation and perimeter access safeguarding devices These safety light curtains are intende
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