Werac SAFETY 40 Technical Description Download Page 1

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Version 10.12.2019

Safety Light Grids and

Multibeam Safety Light Barriers

Technical Description

Summary of Contents for SAFETY 40

Page 1: ...Version 10 12 2019 Safety Light Grids and Multibeam Safety Light Barriers Technical Description...

Page 2: ...L e safety category 4 of EN ISO 13849 1 2008 resolution 14 mm finger guard 30 mm finger guard or 40 mm hand guard Width of guarded area with resolution 30 mm or 40 mm 0 6 m or 3 10 m with 14 mm resolu...

Page 3: ...n the control unit and visually indicated for the user in the emitter The light grid is in the OFF state after power supply ON or a light barrier interruption This is indicated by the red LED Provided...

Page 4: ...100 see fig 1 connection A1 A2 normally open contact security output relay A OSSD 1 connection A5 A6 normally open contact security output relay B OSSD 2 connection A3 A4 normally closed contact e g m...

Page 5: ...unit to emitter or receiver 10 m with UL listed cables 15 m with VDE 0472 804 cables Table 4 4 Diagram of connections The sequential switching has to conform the risk evaluation of the machinery Our...

Page 6: ...r varistor 5 1 Proposed wiring diagram for control unit WGN100 WGN 110 to Performance Level PL e Category 4 according to EN ISO 13849 1 on power driven machinery PDM with start up test and restart loc...

Page 7: ...d EN 999 ISO 13855 and the type C standards of the corresponding machinery Operation e g in the following areas of operation is possible Operating machines for the chemicals rubber and plastics indust...

Page 8: ...m Example A machine with a braking time of 100 ms is equipped with a light grid ESPE with a resolution of 30 mm and a response time of 20 ms C 8 30 14 mm 128 mm S 2 m s 100 ms 20 ms 128 mm 240 mm 128...

Page 9: ...s of 1 2 or 3 passive components green If the result of the risk evaluation is such that protective devices have to be used with several single beams they must be positioned at a distance obtained usi...

Page 10: ...label on the emitters and receivers In the case of cascades the response time is dependent on the total number of lines in all light grids The following applies tR cascade tRG tRL total It is not val...

Page 11: ...of 1 or max 2 deflector mirrors 6 8 Optical bypassing To prevent optical bypassing a minimum distance A of the optical axis to reflective surfaces must be complied with Read off the value in the diagr...

Page 12: ...vers The procedure for alignment of the emitter and receiver elements is described in the following section a The emitters and receivers are mounted as described under 6 9 Ensure that the longitudinal...

Page 13: ...rupted off grid ready for activation external restart lock enabled off grid ready for activation Less light reserve in relation to calibrated reference off light grid active and free Less light reserv...

Page 14: ...light grid LG If an operating mode with bypassing the light grid was selected in the alignment mode the safety function of the light grid can be bypassed with contact pair 1 and 2 in mode 1 and 3 byp...

Page 15: ...green OSSD ON as soon as the start release is activated and the light grid is free 7 In normal operation in mode 1 the DIP switch is set In mode 2 as AOPD with additional function reduced resolution...

Page 16: ...be open Both contacts of a contact pair must close within a time slot of one second Only the contact pair which fulfills this requirement activates the overriding The second contact pair now cannot i...

Page 17: ...t the switches Caution risk of injury When using the function reduced resolution the lines specified for bypassing were no longer evaluated when contact pair 1 is closed The guarded area then is reduc...

Page 18: ...SichV nature scope and times for regular inspections must be determined by the user for the specific work equipment Furthermore the qualifications and requirements e g technical expert or professional...

Page 19: ...ion code for standard light grid with 14 30 and 40 mm resolution W G x x x x x x x x x 0 Examples for emitters standard design with 14 mm resolution System length Type designation code Overall length...

Page 20: ...4 1 ms 208 2 mm results at a 14 mm resolution see Section 6 2 and S230 336 2 mm at a 30 mm resolution The dimension for the height of the section with a 14 mm resolution is calculated as follows mm 26...

Page 21: ...mm No of lines NL Response time tR in ms 1085 WLS 4108A 080 0 1123 1200 80 15 18 3 1080 WLS 4108A 100 0 1118 1200 100 12 17 8 1070 WLS 4107A 120 0 1108 1200 120 10 17 5 760 WLS 4076A 150 0 798 900 150...

Page 22: ...listing Depending on the mounting type for rail mounting number of retainer blocks WHK1 number of angle brackets WHW1 or number of hinge brackets WSH1 for end piece mounting number of mounting bracke...

Page 23: ...00 2 Fig 15 Control unit WGN 110 0 168 DIP S1 115 7 Aufschnappteil f r TS 35 45 132 Empf Sender Start Ausg nge Netz gr n gelb rot RJ 45 RJ 45 Typenschild 10 20 16 168 DIP S1 115 7 Aufschnappteil f r T...

Page 24: ...AC Elektronik GmbH Fig 16 Retainer block WHK1 Left Fig 17 Angle bracket WHW1 for fixing the retainer block Right Fig 18 Mounting bracket WHW2 for fixing the head pieces Fig 19 Hinge bracket WSH1 10 22...

Page 25: ...Emitter 30 mm resolution with 2 lenses per 50 mm module The 14 mm resolution has 5 lenses per 50 mm module Resolution 40 mm has one lense per 35 mm module In the case of cascading the connection on th...