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Cascading of Light Grids

otective Field States / LED-displays

receiver

transmitter

receiver

l a

transmitter

receiver

fig 39/1

B) Interruption of the slave sensor 1:

Response time = slave sensor 1 + 3

fig 39/2

fig 39/3

C) Interruption of the slave sensor 2:

Response time = slave sensor 2 + 6 ms

8.10

Protective Field States / LED-displays

A) Interruption of the master sensor:

Response time = Master sensor

Protective field interrupted

Protective field free Protective field free

outputs OFF

outputs ON

Red and orange LED are on

Yellow LED is on

Green LED is on

Yellow LED is on

Green LED is on

Yellow LED is on

Protective field interrupted

Protective field interrupted Protective field free

outputs OFF

outputs ON

Red and orange LED are on

Yellow LED is on

Green LED is on

Yellow LED flickers at 1Hz Red and orange LED are on Yellow LED is on

Protective field interrupted

Protective field interrupted Protective field interrupted

outputs OFF

Red and orange LED are on

Yellow LED flickers at 1Hz

Red & orange LED are on

Yellow LED flickers at 1Hz

Red & orange LED are on

Yellow LED is on

FIESSLER

E L E K T R O N I K

Fiessler Elektronik GmbH & Co. KG

Doku Nr. 958 Stand 22.01.2018 RK

Phone: +49 (0) 711 / 91 96 97-0 Internet: http://www.fiessler.de

Fax : +49 (0) 711 / 91 96 97-50 eMail: [email protected]

Summary of Contents for BLVT

Page 1: ...tric Connection Commissioning Specifications Accessories FIESSLER E L E K T R O N I K ULVT BLVT with blanking features Muting cycle operation with safety switching units as option ULVTK BLVTK Cascading of Light Curtains Operating instructions translation 1 2 3 5 4 Phone 49 0 711 91 96 97 0 Internet http www fiessler de Fax 49 0 711 91 96 97 50 eMail info fiessler de Fiessler Elektronik GmbH Co KG ...

Page 2: ... and mirror unit range up to 10 m Outgoing muting Differentiation between man and material two beam light grid range until 60 m Cross muting Differentiation between man and machine material Fiessler Elektronik GmbH Co KG DE 73773 Aichwald Phone 49 0 711 91 96 97 0 Fax 49 0 711 91 96 97 50 Email info fiessler de Internet www fiessler de Representations in all major industrial nations FIESSLER E L E...

Page 3: ...ding barriers through cascading or additional screening 17 4 3 4 Distance from reflective surfaces 18 4 3 5 Arrangement of two safety light barriers 18 4 4 Mounting and Adjustment 19 4 4 1 Adjustment Instructions with standard fastening brackets Isolated mounting on EMV disturbances 19 4 4 2 Option angular brackets dimension drawing included 20 4 4 3 Option rubber metal connection to avoid intense...

Page 4: ...ze and to combine the systems Cat 4 und Cat 2 34 8 4 Order designations 34 8 5 Response time examples 35 8 6 Safety distance example 35 8 7 Installation 36 8 8 Connection 36 8 8 1 Connection example 1 36 8 8 2 Connection example 2 37 8 9 Commissioning 38 8 10 Commissioning Protective Field States and LED Displays 39 9 Additional functions with safety switching units 40 10 Accessories and Spare Par...

Page 5: ...nt information Currently effective conditions and the regulations of the trade associations must also be adhered to Qualified personnel Installation commissioning and maintenance must only be carried out by qualified personnel Danger sign When operating a machine with ULVT BLVT safety light barriers it must be ensured that nobody is located within a hazardous area A danger sign to this effect must...

Page 6: ...ing of the ULVT BLVT safety light barriers during a material movement e g into and out of a manufacturing cell or in high bay storage Reliable differentiation between man and material flow is ensured Overrrun The section of hazardous movement which occurs after penetration of the protective field Overrrun traverse Fig 6 2 The path traversed during the run on period e g path of a ram path of a poin...

Page 7: ...ching outputs the contactor control identifies whether the connected switching elements relays contactors or valves have fallen Only when this is so can a new release of the switching inputs be performed This also prevents the dangerous failure of the switching elements relays contactors valves of the hazardous movement Restart interlock The restart interlock prevents the automatic release of the ...

Page 8: ...fety switching units as option see chapter 9 3 1 Features The ULVT BLVT safety light curtains are characterized by the following Safety category 4 4 EN ISO 13849 1 2008 and EN 61496 or IEC 61496 PL e EN ISO 13849 1 2008 SIL3 EN 62061 2005 contactor check and restart interlock Integrated functions activated via DIP switch Direct connection of contactors valves switching capacity of 0 5 A 24 V beam ...

Page 9: ...th prot field height Protective Field height mm Constr length L mm Beam spacing 7 5 mm No of beams Beam spacing 14 mm No of beams Beam spacing 100 mm No of beams Beam spacing 200 mm No of beams Beam spacing 300 mm No of beams Beam spacing 400 mm No of beams Beam spacing 500 mm No of beams Beam spacing 500 mm No of beams 100 200 196 296 13 26 7 14 3 2 300 400 500 500 396 496 39 52 596 650 65 21 28 ...

Page 10: ...ellow LED lights up on the receiver as a start prompt Only once the start button has been pressed will the outputs of the ULVT BLVT be switched to active In the equivalent outputs operating mode both PNP outputs are failsafe and monitored internally for short circuits and cross circuits With a free light path both outputs are high 24 V In the antiva lent outputs operating mode output 1 is high 24 ...

Page 11: ...tlet and inlet optional with solvent resistant silicate glass Attachment Weight Shifting fastening brackets on rear side of housing Transmitter 0 45 kg to 4 5 kg depending on construction length Receiver 0 5 kg to 5 0 kg depending on construction length Protection category IP 65 Protection class Operating ambient temperature III 10 bis 55 C Storage temperature 25 bis 70 C Transmitter ULVTS BLVTS R...

Page 12: ...m protective field height mm constr length mm min distance bet ween fastenings BFA mm 100 200 196 296 236 336 300 400 500 600 396 496 436 536 596 696 636 736 700 800 900 1000 796 896 836 936 996 1096 1036 1136 1100 1200 1300 1400 1196 1296 1236 1336 1396 1496 1436 1536 1500 1600 1700 1800 1596 1696 1636 1736 1796 1896 1836 1936 1900 1996 2036 Table 12 3 fig 12 2 Fastening brackets 7 mm 9 11 11 9 5...

Page 13: ... Table 13 2 number of beams and response times BLVT Typ Response time ms PLSG 1 Muting switching unit PLSG 2 Muting switching unit 3 5 3 5 PLSG 3 Switching unit for machine control ULSG BPSG BLVT Programmer controller LSUW N1 Muting K 3 5 6 6 20 LSUW NSR 3 1 K 25 optiaonls afety switching units Table 13 4 Response time safety switching units System example Response time ms notes Master sensor ULVT...

Page 14: ...ce with vertical area protection using ULVT light barriers valid for up to 40 mm resolution Example 1 Safety light curtain ULVT100 13 resolution d 14mm overrun period t2 of the machine from 75 ms S 2000 mm s x 0 075s 0 006s S 162 mm Example 2 Safety light curtain ULVT500 35 resolution D 30mm ULSG safety switchgear Overrun period t2 of the machine from 75 ms S 2000 mm s x 0 075s 0 007s 0 006s 8 x 3...

Page 15: ...ctive field above the reference level e g floor T t1 t2 refer also to page 14 t1 response time of the barrier t2 Overrun period of the machine With a height H of the protective field above the floor of 300 mm a risk of crawling under exists This must be considered in risk assessment The following condition thus applies for H 300 mm 1200 0 4 x H 850 mm The distance a of the end of the protective fi...

Page 16: ...tical protection of hazardous areas using 2 3 4 beam light grids Positioning of the beams 0 3 1 1 0 7 0 4 0 9 0 3 0 9 0 6 1 2 S 1600 mm s T 850 mm Number of beams 4 Number of beams 3 Number of beams 2 trasnmitter receiver receiver receiver H Height of protective field to reference level fig 16 1 Vertical protection trasnmitter trasnmitter FIESSLER E L E K T R O N I K 16 Fiessler Elektronik GmbH Co...

Page 17: ... the distance between the ULVT BLVT safety light barrier and the machine must be _ 75 mm In a normal working process Fig 17 2a the operator inserts the workpiece when sitting down Due to the over run period of the machine the ULVT BLVT safety light barrier a is mounted slightly in front of the hazardous area refer to chapter 4 2 However the light barrier height selected here leaves an unprotected ...

Page 18: ...Arrangement of 2 adjacent light curtains Bild noch ändern max 5o a max 5o hazardous area reflective Object e g metal container ULVT receiver ULVT receiver Approach direction interrupted beam Central Beam Contai ner To prevent the avoidance and non detection of an obstacle due to reflecting objects the ULVT BLVT safety light barrier must be assembled with a minimum distance a Fig 18 1 from the refl...

Page 19: ... faces Fig 19 2 Swivelling around longitudinal and lateral axis Important In order to ensure an error free operation both the light transmitter and light receiver must be attached to stable distortion free and face parallel constructions Install the fastening brackets so that the adjusting screws remain easily accessible Make sure that the housing is not distorted Otherwise a perfect visual adjust...

Page 20: ...ckets fig 20 1 angular mounting brackets mounted at the light curtain fig 20 2 angular brackets fig 20 3 FIESSLER E L E K T R O N I K 50 ø 7 110 30 11 50 5 32 FIESSLER E L E K T R O N I K Fixing possiblities for swivable fastening an gle Sick Typ FGS FIESSLER E L E K T R O N I K 20 Fiessler Elektronik GmbH Co KG Doku Nr 958 Stand 22 01 2018 RK Phone 49 0 711 91 96 97 0 Internet http www fiessler d...

Page 21: ...ction loss Each reflection via a mirror weakens the transmitted signal For this reason the max range and number of mirror reflections must be observed when using mirrors The transmitter receiver and mirrors must always be assembled vertically and checked using a spirit level uren fig 21 1 Anti vibration brackets Operational reliability can only be ensured when the mirrors are assembled in a stable...

Page 22: ...nk 4 Installation tilted mirrors for protective field height profile length LP attachment distance LB weight g order code 100 200 200 300 mittig 195 1667 2297 usp100 usp200 300 400 500 600 400 500 295 395 600 700 495 595 2927 3557 usp300 usp400 4187 4817 usp500 usp600 700 800 900 1000 800 900 695 795 1000 1100 895 995 1100 1200 1300 1400 1200 1300 1095 1195 1400 1500 1295 1395 5447 6077 usp700 usp...

Page 23: ...nausgleichsplatte assembly columns for transmitter and receiver no base plate with 2 end pieces assembly columns with til ted mirrors no base plate with 2 end pieces SAU 100 SAU 200 SASU 100 SASU 200 SDU 100 SDU 200 SDSU 100 SDSU 200 SAU 300 SAU 1700 SAU 1800 SASU 300 SASU 1700 SASU 1800 SDU 300 SDU 1700 SDU 1800 SDSU 300 SDSU 1700 SDSU 1800 SAU1900 always in 100 mm steps SASU 1900 always in 100 m...

Page 24: ... BLVT with e g 2 3 or 4 beams Height of the columns including base plate ULVT BLVT 500 2 960 mm first beam 400 mm above floor level according to EN 999 ISO 13855 ULVT BLVT 800 3 1160 mm first beam 300 mm above floor level according to EN 999 ISO 13855 ULVT BLVT 1100 4 1460 mm first beam 300 mm above floor level according to EN 999 ISO 13855 ULVT 500 2R 1000 mm first beam 400 mm above floor level a...

Page 25: ...h 24 V as shown in Fig 25 4 The OSSD1 and OSSD 2 of the ULVT will only switch on the two contactors when contactor check input has detected the idle status of the contactors 24 V at contactor check input Once the contactors have been driven both of them must respond within 300 ms The two auxiliary contacts must then be open 0 V at contactor check input If the operating mode without contactor check...

Page 26: ... the following connection diagrams and also complies with effective national and international accident prevention regula tions Any deviation from these connection specifications can lead to hazardous conditions and is therefore not permitted 0V 7 1 24V DC 20 Start Taster 6 Eingang Start Taster fig 26 1 input start button BA ULVT 24V DC 20 Start Taster Eingang Start Taster receiver transmitter rec...

Page 27: ... on the receiver should light up and the orange LED must have extinguished 6 Commissioning longitudinal axis lateral axis LED without restart interlock LED with restart interlock Enlarged LED Lights up ON small LED Does not light up OFF fig 27 2 lateral and longitudinal axis fig 27 1 adjustemnt laser Table 27 3 Operating modes Test rod Using the test rod the light barrier is to be interrupted on t...

Page 28: ...llen b only BLVT no fault if the green LED is also on and operating mode is floating blan king or reduces resolution OSSDs connect contactors do not at tract or error at the EDM inputline OSSDs disconnect and connect again after shorty after that and so on a check contactor connections and contactor control wiring and connection EDM b check contactor connections and contactor control wi ring and c...

Page 29: ...directly in front of the transmitter window then close to the receiver window and then right in the middle of the protecting field between transmitter and receiver see fig 29 4 During this test neither the green LED nor the yellow LED must light up By doing this possibilities of the system failing to detect an obstrusion as a result of reflection from some reflective objects in the programmed blan...

Page 30: ...eam reduced resolution fig 30 4 9 2 beam reduced resolution fig 30 5 10 skip only1 beam fig 30 6 combination of 5 and 9 Blanking of an object which is moving in the protective field and additio nal blanking of thin moving objects e g hoses or cables that reach into the field occasionally or permanently and by doing so will interrupt max 2 beams blanking of thin moving objects e g hoses or cables t...

Page 31: ... orange LED flicker at ca 1 Hz yellow orange LED flicker at ca 1 Hz 7 Ortsvariable Ausblendung resolution redu ced by 2 beams fig 30 3 8 resolution re duced by 1 be am fig 30 4 9 resolution re duced by 2 be ams Bild 30 5 10 skip 1 beam only once fig 30 6 same as no 5 but The blanked sector must interrupt at least 4 adjacent beams Additionally every one beam but max 2 beams may additionally be inte...

Page 32: ...mmed 4 Remove the key switch from its lock When the green LED AKTIV is off the programming procedure is terminated 7 5 How to save up to 5 different blanking patterns and how to activate them via selector switch The BLVT in connection with the programmers BLPG or BPSG and an external selector switch is able to save up to 5 different blanking patterns which can be activated via this selector switch...

Page 33: ...y 4 light grid It must be made sure that the main sensor Master sensor is a light curtain of category 4 in order prevent the system to be completely downgra ded to categroy 2 Arrangement of the light curtains It must be made sure that the mutual clashing of the light curtains is prevented refer alsot o chapter 4 3 5 page 18 length of cables The cable length between the cascaded light curtains must...

Page 34: ...s a standard light grid This can also be used as a stand alone light grid 8 4 order codes examples a Cascading of 2 light curtains Safety light grid with protection height 1300 mm 14 mm resolution Master sensor cat 4 Safety light grid with protection height 400 mm 30 mm resolution slave sensor cat 4 System Protective height number of beams master sensor ULVT K 1300 169 slave sensor ULVT 400 28 b C...

Page 35: ...nse time safe distance Formula refer to chapter 4 2 1 Master sensor ULVTK 500 65 slave sensor 1 ULVTK 1500 195 14 mm C 0 mm 14 mm C 0 mm 10 ms 21 ms same as individual re sponse time 10 ms 21 ms 3 ms 24 ms S 170 mm S 198 mm slave sensor 2 ULVT 500 35 30 mm C 128 mm 7 ms 7 ms 6 ms 13 ms S 176 mm 128 mm 304 mm Tabllelle 35 2 calculation example safe distance of cascaded light grids Table for calcula...

Page 36: ...ion 1 2 3 4 5 6 off 1 2 3 4 5 6 7 1 2 3 1 2 3 1 0V 3 24VDC 2 Anschluss für Folgesensor Connection to next ESPE raccordement à l ESPS 1 2 3 1 2 3 4 5 6 7 1 2 3 4 5 6 7 7 24VDC 3 OSSD1 6 0V 5 4 OSSD2 Anschluss für Folgesensor Connection to next ESPE accordement à l ESPS 1 2 3 1 3 2 1 2 3 4 5 6 off 1 2 3 4 5 6 7 1 3 4 5 6 7 2 1 2 3 4 5 6 off 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 1 2 3 1 3 4 5 6 7 2 1 3 2...

Page 37: ... slave sensors the operating mode must be set onto no restart interlock no contactor control equivalent outputs 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 1 2 3 1 3 2 1 3 4 5 6 7 2 1 3 2 1 3 4 5 6 7 2 1 3 2 1 3 4 5 6 7 2 connection of the power supply connection for the slave sensor receiver 24V DC 20 functional ground 0V operating mode no restart interlock no contactor control equivalent outputs connectio...

Page 38: ...ve sensor 2 adjust at first FIESSLER E L E K T R O N I K LEDs on the receiver OSSD s on akivated OSSD s off deaktivated insufficient reserve restart interlock fig 38 1 Machine control and power supply receiver transmitter receiver transmitter transmitter yellow LED is on yellow LED is on Yellow LED flickers at 1Hz receiver step 2 slave sensor 1 second to be adjusted receiver transmitter receiver t...

Page 39: ...ee Protective field free outputs OFF outputs ON outputs ON Red and orange LED are on Yellow LED is on Green LED is on Yellow LED is on Green LED is on Yellow LED is on Protective field interrupted Protective field interrupted Protective field free outputs OFF outputs OFF outputs ON Red and orange LED are on Yellow LED is on Green LED is on Yellow LED flickers at 1Hz Red and orange LED are on Yello...

Page 40: ...24V OSS D2 OSS D1 24V OSS D2 OSS D1 24V 24V 24V 24V 24V 24V Start EDM Start EDM Start EDM Start EDM Start EDM BWS ESPE ESPS BWS ESPE ESPS BWS ESPE ESPS BWS ESPE ESPS BWS ESPE ESPS ULVT or BLVT PLSG K Achtung Vor Abziehen der Klemmleiste Netzspannung abschalten Attention Turn off the supply voltage Attention Couper l alimentation FIESSLER E L E K T R O N I K Typ BPSG Kastellstr 9 73734 Esslingen Te...

Page 41: ...ig on constructional height dependig on constructional height SASU 100 SASU 1900 SDU 100 SDU 1900 dependig on constructional height 400g SDSU 100 SDSU 1900 JL2 Spare parts Standard aluminium fastening brackets with pla stic parts enabling an insulated installation Set of plastic parts enabling an insulated installation of the brackets 80g 10g BLAL refer to page 23 24 refer to page 23 24 refer to p...

Page 42: ...Notes FIESSLER E L E K T R O N I K 42 Fiessler Elektronik GmbH Co KG Doku Nr 958 Stand 22 01 2018 RK Phone 49 0 711 91 96 97 0 Internet http www fiessler de Fax 49 0 711 91 96 97 50 eMail info fiessler de ...

Page 43: ...Notes FIESSLER E L E K T R O N I K 43 Fiessler Elektronik GmbH Co KG Doku Nr 958 Stand 22 01 2018 RK Phone 49 0 711 91 96 97 0 Internet http www fiessler de Fax 49 0 711 91 96 97 50 eMail info fiessler de ...

Page 44: ...Notes FIESSLER E L E K T R O N I K 44 Fiessler Elektronik GmbH Co KG Doku Nr 958 Stand 22 01 2018 RK Phone 49 0 711 91 96 97 0 Internet http www fiessler de Fax 49 0 711 91 96 97 50 eMail info fiessler de ...

Page 45: ...Notes FIESSLER E L E K T R O N I K 45 Fiessler Elektronik GmbH Co KG Doku Nr 958 Stand 22 01 2018 RK Phone 49 0 711 91 96 97 0 Internet http www fiessler de Fax 49 0 711 91 96 97 50 eMail info fiessler de ...

Page 46: ...ranty claims if the device has been opened or if it has been modified Returning a unit If in the case of default the necessity of returning the unit to Fiessler Elektronik arises it will be very advantageous for a fast default diagnosis if the following topics are observed and observed exact description of malfunction did you frequently notice malfunctions at the machine where the light curtains a...

Page 47: ...he protection goals of the Low Voltage Directive 2006 95 EC have been com plied with in accordance of Annex I No 1 5 1 of the Machinery Directive déclaration de conformité conforme appendice II 1 A 2006 42 EG Nous Fiessler Elektronik GmbH Co KG Kastellstr 9 D 73734 Esslingen déclarons sous notre seule responsabilité que le produit Barrière de sécurité ULVT BLVT avec le numéro de certificat 01 205 ...

Page 48: ...mpatibility laboratory tests products on a regular basis All safety equipment complies with national and European standards Development takes place in consultation with the relevant trade associations Certification is received followed rigorous tests by the Technical Inspection Board Fiessler Elektronik GmbH Co KG D 73773 Aichwald Phone 49 0 711 91 96 97 0 Fax 49 0 711 91 96 97 50 Email info fiess...

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