SG-BWS-T4-MT
Contents
1. Fig 24 Test Reset switch connection The TEST signal is active low 24 Instruction Manual SG BWS T4 MT 4 12 25 When this function is activated ESPE switches to SAFE status and displays the relevant warning see section 6 Diagnostics and warnings 500 ms TEST ON OFF EMISSION SAFCNs NORMAL SAFE Response Time Recovery Time Fig 25 Test function timings e Reset function The same push button can be used to reset the system after a lockout and the relevant error warning Hold the push button for at least 5s to activate the reset function If the push button is held depressed when device is being turned on the control unit switches to alignment mode please refer to paragraph 5 2 Safety devices alignment The RESET signal is active low Muting function and relevant connections The Muting function allows a temporary suspension of the safety function for one or more sensors in order to carry out certain periodical operations avoiding to stop machine operation There are two separate muting channels hereinafter referred to as A and B and it is possible to match them with various devices according to how the Dip Switches 6 7 8 are set see 4 4 Dip owitches Setup Activation of the Muting function for a certain channel does not interrupt the safety function on the other channel if a sensor beam on the active channel is interrupted th2. EN NG ee NOUO OS This Declarabon is based upon compliance of the products fo the following sfandards 61496 1 2004 SAFETY DF MACHINERY ELECTRO SENSITIVE PROTECTIVE EQUIPMENT Part 1 GENERAL RECUIRELENTS AN TESTS IEC amp 14936 2 2006 SAFETY MACHINERY ELECTRO SENSITIVE PROTECTIVE ECUIPIENT PART Z PARTICULAR REQLIRELENTS FOR SOUPMENT USING CETO ELECTRONIC FRorEcT VE Devices ADPDs IEC 61508 1344 1998 FUNCTIONAL SAFETY ELECTRICAL ELECTRONICO PROGRAMABLE ELECTRONIC IEC 61508 2 2000 ZAFETY RELATED SYSTEME EN 354 4 1996 SAFETY OF MACHINERY SAFETV RELATED PARTS OF CONTROL EN ISO 13849 4 2008 SAFETY GF MACHINERY SAFETY RELATED PARTS OF CONTROL SYSTEMS Part 1 GENERAL PRINCIPLES FOR DESIGN EN 62061 2005 SAFETY OF MACHINERY FUNCTIONAL SAFETY OF SARETY RELATED ELECTRICAL ELECTRONIC AND PROGRAMME E Ej ECTRONIC CONTROL SYSTEME 50178 1257 ErECTRONIC EQUIPMENT FOR USE iN POWER INSTALLATIONS amp 1000 5 2 2005 ErgcTROMAGNETIC EMG Part 6 2 GENERIC STANDARDE FOR INDUSTRIAL ENVIRONIMENTE EN 33022 AME 2010 AND uETHODS OF MEASUREMENTS OF RADIO DISTURBANCE OF INFORIMA TION TECHNOLOGY EQLIPIMENT Teiln unique eae fallowing Notified mpetent Body xlentilication 01231 TUY S OD Rail GmbH uia aile e emn
3. 29 eec 30 39 MUUN Bra NN RE 30 34 MUNI T CONNECCION ME I e 31 SO TMG MUUN Tona a 31 36 Override switches connections pp 32 37 SG BWS T4 MT overall dimensions pp 44 TABLES INDEX Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab 1 User MANUAL MAIN aided adea cr pd Eni V dva 1 2 al SS 3 4 4 Beams height for photocells Protections pp 9 5 Minimum connection details for function test 16 sago lE eales an E Sconto Ei det tM Adis s 18 7 Dip Switches configuratiom aos ss coin coste us dics ep astu 19 8 Sensors matched to muting channels pp 19 9 Ei hte rtains connects MP 20 10 Safety photocells connections pp 21 11 Startup visualization sequence pp 35 Signaling IFtebfelO sudesustscassitu landes a deo mdi tee dap uten tst titulis Ms 36 1S Nomak operation 37 14Failure state Signaling 38 15 SG BWS T4 MT technical data nennen nns 41 www automation datalogic co
4. E su D ud dc eU n 9 10 Photocells installation heights for 4 beams protections pp 10 11 Distance from reflecting surfaces 11 12 Sensors diposal in order to avoid interferences pp 12 13 Distance between equal sensors pp 12 14 Safety Control Unit ues ote av tad d ud Ea rasta 13 DEVIAUING MINOS UR a 14 16 SG BWS T4 MT connection to machine power supply 15 17 Minimum Connection Tor function 5 o ee ust o eub i eese tuto eee 16 1o Connection clamps dISpOSal 5 3 ene dote ette eee bite eet a ate Umen 17 19 Safety light e rtains CORNECHON sioe eb ees ee a dues iu duces Aa cae duda ve census 20 20 Safety PNOlOCElS COMMOCHON uico iocis ctun dessus EE Deoa Mead deren Adan 21 ZA za IT tO TOES 22 222 B NIHIL E 23 29 tat DUltol CoD ne HOD dob Prato dee aiat CHE o ded aede das 24 24 TesURESET switch connection pp 24 25 NESE TUMCHOMN ti GE 25 26 Muting enabling switches connection pp 26 27 Muting signalling devices connection pp 27 ZO IVi uig tyblIcal applieatlQEl scs odes onm euet de ocu eed Rd se adde 28 29 IMMUNO SG Sensors dpDIICallOD se 28 30 Muting 8 sensors aplication connections pp 29 LiSOTECUGOnS END
5. To avoid the reduction of the operative distance optics protective front surfaces shall be cleaned at regular intervals To this end use soft cotton cloths damped in water do not apply too much pressure onto the surface so as not to make it dull Please do not use on plastic surfaces or optics e alcohol or solvents e Wool or synthetic cloths e paper or other abrasive materials Product disposal Under current Italian and European laws Datalogic is not obliged to take care of product disposal at the end of its useful life Datalogic recommends to dispose of the product in compliance with local laws or contact authorised waste collection centres 40 Instruction SG BWS T4 MT 9 TECHNICAL DATA e SG BWS T4 MT Electrical data Supply voltage 24 1596 Output contacts 2 Normally Open Relays 250VAC 3 6A 24VDC 3 6A Type Guided contacts Contacts Material Alloy 0 2 0 4 Au Mechanical life gt 107 cycles Safety category Type 4 ref EN 61496 1 SIL3 ref EN 62061 PL Cat 4 ref IEC 13849 1 2008 Auxiliary functions Restart Test EDM Reset EDM selection auto man selection Overvoltage cat Class Cat 1 250 VAC Cat 11 24VDC ref EN 50178 Cables length for power 50 max supply Muting Lamp Filament or LED Lamp 24V 40mA min 1W 300mA max 7W 15 95 no condensation Vibrations Width 0 35 mm frequency 10 55Hz 20 sweep per
6. OFF T12 2X T12 T21 Fig 33 muting L timings 30 Instruction Manual SG BWS T4 MT 4 12 6 Bi directional type T muting 2 or 4 sensors ESPE Description Speed of the object enabling the Muting function as it passes between the sensors Size of the object enabling the Muting function as it passes between the sensors Recommended distance between sensors A21 and A11 for the correct enabling of the muting function taz1 ta11 d V enabling of 11 enabling Cm 5 5 Distance between 11 12 Distance to be maintained between two DOA gt d D consecutive objects for the correct operation of the Muting function MUTX1 MUTX2 MUTING STATUS t lt timeout t lt timeout 0 15 lt T12 lt T12max 0 15 lt T21 lt T21max Fig 35 timings muting T 31 SG BWS T4 MT Instruction Manual 4 12 7 4 13 Using the Dip Switch 3 see 4 4 you can set a 10min time out or infinity i e the maximum available setting for the muting function duration Infinity Time Out setting does not comply with EN 61496 1 requirements Carefully assess all risks and take any required precautions if you decide to use this setting Connecting the Override pushbuttons The Override function forces safety function disabling in case it is required to start the machine when one or more beams are interrupted by some material The goal being
7. When monodirectional muting is selected L type Override function is deactivated after all relatives safety sensors get free or after the 120s timeout Override timings on L type muting OVRXX 34 Instruction Manual SG BWS T4 MT 9 5 1 5 2 35 COMMISSIONING Before commissioning a system protected by SG BWS T4 MT it shall be inspected and checked by a qualified technician who shall state its suitability Please refer for further details on this subject the instructions given under paragraph 3 1 Safety information Screen indications upon switch on As soon as control unit is powered all 7 display segments will turn on The display will then switch off and all segments are quickly activated one after the other The display will then switch off again meaning that the device is ready for use When the display does not switch off there is an error in the device see section 6 Diagnostics and warnings The meaning of displayed values is as follows Display 7 segment display test routine All segments are activated one after the other Nothing on screen only decimal The device is ready for use point if EDM on e Any other view System failure Refer to section 6 Diagnostics and warnings Tab 11 Startup visualization sequence Alignment mode Once all components are in place and connected emitters and receivers shall be mutually aligned In alignment mode the SAFCN safety outputs are open
8. 0 5 x operating distance m x tg EAA for operat dist gt 11 SG BWS T4 MT Instruction Manual 3 6 Sensors Interference When several safety devices must be installed in adjacent areas interference between the emitter of one device and the receiver of the other must be avoided The safety light curtains are equipped with suitable commands to avoid any dangerous situation due to interference In the same way SG BWS T4 MT monitors possible interference between photocells and locks out if any interference is detected Please refer to the safety light curtain manual for further details on this matter Suitable installation precautions could avoid any interference issue between similar devices This typically applies to cases when many devices are installed side by side and in line such as for systems featuring several goods loading unloading areas parallel one to the other and whose entrance is protected by safety light curtains au TX NO mm gt P OK RX TX Fig 12 Sensors diposal in order to avoid interferences To make sure that photocell parallel beams do not create interference it is necessary to install the photocells considering a minimum centre distance Dao that depends on operating distance Dop To make this concept clearer the chart below shows it for the S5 ST2 S5 ST4 SL5 ST4 series photocells 26 EN tn un
9. 38139140 Ce Fig 17 Minimum connection for function test The control unit terminals layout and the minimum connection to check system operation are shown below The photocells set power blue and brown wires reaches terminals 33 34 37 38 as specified in the table SIGNAL TERMINAL FUNCTION D ower TEST RESET Test function Photocell Input Photocell Output Photocell Input 27 Photocell Input Photocell Input Safety light curtain input Safety ight curtain Safety light curtain input Safety light curtain input 24VDC power supply RX brown Power supply output Power supply output 37 Power supply output Power supply output Tab 5 Minimum connection details for function test lt lt A T 24VRX12 0VRX12 24VTX12 0VTX12 16 Instruction Manual SG BWS T4 MT 4 5 17 Complete list of connections 12404 5 6 AS 13 14 15116 21122123124 4 LI 29130131132 37 38 39 40 45146147148 S SSS SSO SO SSS Fig 18 Connection clamps disposal TERMINAL 2 TESTRESET 3 contact of toward 24 VDC with EDM enabled EDM Input NOT CONNECTED with EDM disabled 0 Vdc ext M we Muting enable 7 ing input p MUTB1 Override 1 contact toward 24VDC Override input p 13 17 3 PNP output of muting sensor A2 Override A2 NO contact toward 24VDC Override in
10. Bi directional type T muting 2 4 SenSOESu tam Ee dede 31 Mu ltmne Time Rr 32 4 13 Connecting the Override pushbuttons pp 32 5 COMMISSIONING ETUR 35 94 SWE OI obo esu iesu Mn e a pa d s ML TIU LEE 35 522 OOENENOOUG tdeo Ente a Dopo rte bsc Posen ddr bina al 35 6 DIAGNOSTICS AND WARNINGS ctionis ust unxxsuE du xEuEDEE cux MIENEMExxKEoXRFMTEENE KE REED CMS NUR YR Ru GR 36 OL dJWNermaloperatloh signaling cie io deuote diee x eant 36 62 i i 37 7 PERIODICAL CHECKS AND WARRANTT Y eene eene nennen nnn nnn 39 rv MEN ir RR RUN CONCERNS 39 2 39 8 2 va Eo wea eo drea EE E OPEP HE Us 40 ProductdispOSsdl s M dt M C M E 40 9S TECGANICAL oa cs es r suce es Sud eus C Reduce e ce oss deos bust qr pe 41 TO XORDER DATA 222188 0 pasce veces peo cae ses oer 42 11 OVERALL DIMENSION Se Sack rea ous C
11. a qualified technician in compliance with the instructions specified in this manual and industry rules The photocells or light curtains must be securely installed in a particular position so that access to the dangerous zone is not possible without the interruption of the beams see 3 3 General information on sensors positioning The personnel operating in the dangerous area must be well trained and must have adequate knowledge of all the operating procedures of the safety control unit The START and TEST buttons must be located outside the protected area because the operator must check the protected area during all Test and Reset operations Please carefully read the instructions for the correct functioning before powering the SG BWS T4 MT Precautions to be observed for the choice and installation of the device Make sure that the protection level assured by the device is compatible with the real danger level of the machine to be controlled according to EN 954 1 and EN 13849 1 e The outputs SAFCN of the ESPE must be used as machine stopping devices and not as command devices The machine must have its own START command e The dimension of the smallest object to be detected must be larger than the resolution level of the installed safety sensors e The ESPE must be installed in a room complying with the technical characteristics indicated in section 9 Technical data e Do not install the sensors close to strong and or flash
12. button is held for over 0 5s but less than 5s Automatic or manual reset mode is selected by duly setting Dip Switch 2 see 4 4 Dip Switches Setup Carefully assess risk conditions and reset modes In applications protecting access to dangerous areas the automatic reset mode is potentially unsafe if it allows the operator to pass completely beyond the sensitive area In this case manual resetting is required 23 SG BWS T4 MT Instruction Manual 24VDC OVDC I Start jeeee 2 2 3 24 116 eeeelleeee 2222 1 21 31 4 91140111112 17118119120 2 5 6 1311411 1122 Fig 23 Start button connection Reset control shall be output by a suitable push button with NO contact towards 24VDC as shown in the above diagram The START signal is active high Carefully spot the most suitable position for the reset push button Install the reset push button outside the dangerous area so as it is not possible to activate it from inside the area The operator shall always be able to see the whole dangerous area whenever activating the reset push button 4 11 Connection of the Test Reset push button The Test push button temporarily disables beam emission in order to check switching to SAFE status This function can be activated by opening for at least 0 5 seconds an NC outer contact TEST push button _ 24VDC OVDC Test
13. im 55 574 AUT 2 ud B Distance between equal sensors Ddo E c 3 4 2 Operating distance Dop amp za in un 5300 STA SLo 574 53500 5T2 I un P LER Distance between c a un 10 15 20 25 35 AQ 45 50 Operating distance Dop Fig 13 Distance between equal sensors 12 Instruction Manual SG BWS T4 MT 3 7 3 8 13 Installing the safety control unit The SG BWS T4 MT control unit is simply installed onto an OMEGA DIN rail placed inside a control panel Fig 14 Safety Control Unit mounting The 12 4 pole connection terminals can be disconnected quite easily using a flat blade screwdriver and can be connected by hand Installing the sensors 55 and SL5 sensors can be installed exploiting the body M18x1 thread on through hole 18mm using the washer and the two nuts supplied Please refer to the relevant user manual supplied for further details about the installation of s300 series sensors Various adjustable brackets are available to help sensor positioning see 10 3 Accessories Please refer to the photocell user manual for further details about installation Upon installation make sure to correctly align the emitter and receiver Emitter and receiver optics shall be on the same axis Take any due precaution t
14. interface warnings commissioning and setup conformity and type approval RES Tab 1 User manual main contents Designing and using safety devices to integrate to the SG BWS T4 MT requires specific know how which is not included in this document In particular the applicable industry standards shall be met General information about accident prevention protection by means of optoelectronic safety devices can be found in the Safety guide available on the product CD Rom provided with SG BWS T4 MT Acronyms used ESPE Electro sensitive protective equipment used instead of SG BWS T4 MT EDM External device monitoring SAFCN SAFety CoNtact control unit output i e safety internal relay NO contact monitored by the control unit OSSD Output signal switching device output signal that can control an external safety circuit Light emitting diode Definitions symbols used Constant viewing of characters e g e Alternated viewing of characters e g U and 5 SAFE The red LED is always ON O NORMAL The LED is OFF NORMAL The green LED flashes Warning indicates safety related critical information Carefully read and follow given instructions SG BWS T4 MT Instruction Manual 2 PRODUCT GENERAL DESCRIPTION 2 1 Package Content e Safety Control Unit SG BWS T4 MT e Quick operations guide e Cd Rom with this user manual and other contents e Six monthly checklist for periodic check and
15. mode it is possible to connect to terminals 21 and 22 a 150 Ohm resistor with power not lower than 7 W However in case of warning device failure the device does not lock out but only shows a warning on the display and on the relevant output as described below Therefore we recommend using two warning devices ALLOWED LAMP TYPES FILAMENT 24V 40mA min 1W 300mA max 7W 24V 40mA min 1W 300mA max 7W respect polaritry suggested below Fig 27 Muting signalling devices connection The external light device indicating active Muting condition shall be so positioned as to be always visible by all operators 4 12 3 Lamp failure warning In case of warning device failure or if it is missing of both when used in single channel mode the control unit will lock out and display the relevant error code SG BWS T4 MT is also equipped with a suitable warning output terminal 8 that activates when one or both warning devices have failed This output supplies approx 24V with maximum load of 25mA upon activation 27 SG BWS T4 MT Instruction Manual 4 12 4 Muting applications and sensors connections Safety sensor WW Fig 28 Muting typical application The figure shows a typical muting application a protection installed on a conveyor belt that shall allow passage of a package but not of any person The safety sensor connected to SG BWS T4 MT temporarily suspends its function after receiving the
16. of S is 500 mm e 1600 mm s if the calculated value of S is gt 500 mm 2 is e 0 d 14 for devices with resolution lt 40 mm safety light curtains e 850mm for devices with resolution 2 40mm multibeam protections and light curtains e 1200mm for single optics systems With multibeam light curtains beam height from the ground must comply with the following chart Tab 4 Beams height for photocells protections SG BWS T4 MT Instruction Manual 00 006 u1u009 Fig 10 Photocells installation heights for 4 beams protections Please refer to the corresponding user manual for installation of any other type of safety light curtain e Example 1 SG4 14 060 safety light curtain 14mm resolution 600mm protected height 22ms response time To calculate the distance of the device from the ESPE in a vertical position the following formula is used S K t t ts C where t SG BWS TA MT response time 35 ms t light curtain response time 22 ms machine stopping time 290 ms P 8 4 14 for devices with resolution d lt 40 mm 0 mm if 2000mm sec then S gt 500 mm Distance will have then to be recalculated using 1600 mm sec o 1600 0 347 0 555 mm The reference standard is EN999 Machine safety the positioning of the protective device based on the approaching speed of the human body The following information is to be considered as indicative and con
17. parts is not possible nor is it possible for him her to stay there e Access to the dangerous area of the machine from any unprotected area is not possible During alignment or normal operation make sure that the photocells connected to the same or other units do not interfere with each other Should you find interference change their position for instance you could set some emitter sets on the side of the other receivers In case of interference the control unit will lock out and display the relevant error code N B For each check about light curtains see all the sentences into user manual SG BWS T4 MT Instruction Manual 6 DIAGNOSTICS AND WARNINGS SG BWS T4 MT is equipped with a user interface featuring LEDs and 7 segment display Device is powered correctly NORMAL No danger safety outputs closed SAFE Danger or fault safety outputs open H The 7 segment display shows detailed information on control unit current status Tab 12 Signalling interface The table below specifies all possible screen indications and the system status or failure associated to each of them 6 1 Normal operation signalling INDICATION STATUS DESCRIPTION WHAT TO DO POWER Alignment The display shows the first device Align the safety devices O NORMAL to be aligned and then the others 1 4 Photocells SAFE in a sequence 1 to 6 5 6 Safety light curtains a du POWER Alignment connected devices are aligned Clos
18. safety photocells are installed on both sides of the bay that are connected and driven by one SG BWS T4 MT control unit Advantages the use of tubular photocells enables installation even in reduced spaces in the warehouse structure SG BWS T4 MT is ideal for all applications where protection has to be guaranteed without additional safety functions Example 2 SMD machine protection The access to a dangerous area must be enabled in order to carry out maintenance procedures The access must be allowed by stopping only the specific area by opening the doors and not the entire machine Fig 7 Doors control by means of safety photocelss Solution SG BWS T4 MT is able to detect the door opening by using one or more photocells by intersecting the interrupted beams guaranteeing the safety condition Advantages all the safety interlocks can be replaced on each door thanks to the use of photocells and so reducing the plant cost as well as increasing flexibility Instruction Manual SG BWS T4 MT 3 2 INSTALLATION Safety information For a correct and safe use of the SG BWS T4 MT the points considered in this section must be observed The stopping system of the machine must be electrically controlled This control system must be able to stop the dangerous movement of the machine within the total machine stopping time T as per par 3 4 and during all working cycle phases The safety system should be installed and connected by
19. 2 ossbioupufighteutam2 gey as 24V power for light curtain receivers 1 and 2 row 44 power for light curtain receivers 2 brown Osspia 4 OSSD 2outputooflight curtain pink Ossp 4s OSSD 2 outputoflight curtain 2 pink amu 4 OV power for light curtain emitters 1 and 2 brown Tab 9 Light curtains connections N B If not both safety light curtain are connected unutilized OSSDxx contacts must be bridged to 24VDC On missing or wrong connection the control unit will stay blocked showing the pertinent error message If both safety light curtains are not connected it is necessary to make a jumper to connect the OSSDxx contacts not in use to 24VDC The diagram below shows an example of connection of just one safety light curtain It is recommended to comply with the specified connections for emitter and receiver in order to obtain the best load balancing 1 2 3 e dl Ek Et TX RX 4 81985 v ZI AAA 29130 31 32 37138139149 OVdc TL Pede ws 45 46 47 48 OC ee FS Fig 19 Safety light curtains connection It is necessary to connect both OSSD outputs of each light curtain in case of failed or wrong connec
20. 2 sensors Muting can be activated in both directions or just one the Dip Switch 4 selects T or L see 4 4 while sensors layout determines allowed directions z US TART YN 5 22 2 Fig 31 Uni directional muting When set for L type muting the system will accept muting request only if the sensors activation sequence is A11 A21 if it is not so the safety function stays active and machine is stopped When set for L type muting muting time is automatically calculated by the control unit as follows Tmuting 2 1 21 11 Where and ta11 are the time instants when sensors A21 and A11 are interrupted respectively 29 SG BWS T4 MT Instruction Manual ESPE DEM A21 SG BWS T4 MT ML Doa Fig 32 connessione muting L Formula _ Min Typ Max Description function as it passes between the sensors function as it passes between the sensors mo 1 0 1 V d L 20 A21 and A11 for the correct enabling of the muting function OTIN Time in relation to the disabling of the A11 22 T sensor after which the Muting function is _ disabled the light curtain resumes standard operation re Distance to be maintained between two consecutive objects for the correct operation of the Muting function 24Vdc MUTX1 OVdc MUTX2 ON MUTING STATUS
21. 5ASE1670 MUTING LAMP 95ASE1830 LMS 1 MODULAR MUTING LAMP 95ACC1990 LMS 2 MUTING LAMP HORIZONTAL FIX 95ACC2000 LMS 3 MUTING LAMP VERTICAL FIX 95ACC2010 43 SG BWS T4 MT Instruction Manual 11 OVERALL DIMENSIONS 11 1 SG BWS T4 MT 60 ety lol clouds LE A l E noina E 119 1 Fig 37 SG BWS T4 MT overall dimensions 11 2 55 512 55 514 SL5 ST4 5300 For overall dimensions of single beam photocells see the relative user manuals 44 Instruction SG BWS T4 MT 12 12 1 12 2 45 APPENDIX FIGURE INDEX Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig 1 SG BWS T4 MT Appearance and user interface pp 2 Protec Ive dtes tias ice iani e odi sarta delhi aie s LM DI E 3 Safety single beam photocells S5 SL5 series appearance 4 4 5300 seri6s salfelty pnotocells 4 S OMVeVOLDEIDIEGIO Saiten cc ate dur m ORI 5 6 Automatic warehouses protection with photocells pp 6 7 Doors control by means of safety photocelss pp 6 9 Safety light curtain DOSITIOMING x i codec iid ene te bete teo de a vete e cde fepe 8 galely DISTANCO oido coste
22. DATALOGIC SG BWS T4 MT Instruction Manual wDALALOCIC ORIGINAL INSTRUCTIONS ref 2006 42 EC Datalogic Automation S r l Via Lavino 265 40050 Monte S Pietro Bologna Italy SG BWS T4 MT Instruction Manual Ed 08 2012 2012 Datalogic Automation S r RIGHTS RESERVED Protected to the fullest extent under U S and international laws Copying or altering of this document is prohibited without express written consent from Datalogic Automation S r l Datalogic and the Datalogic logo are registered trademarks of Datalogic S p A in many countries including the U S A and the E U All brand and product names mentioned herein are for identification purposes only and may be trademarks or registered trademarks of their respective owners Datalogic shall not be liable for technical or editorial errors or omissions contained herein nor for incidental or consequential damages resulting from the use of this material 08 08 12 Datalogic Automation 5 r l Via Lavine 265 40050 Monte San Pietro Bologna Italy www automation datalogic com declares that the 5G BWS T4 CONTROL UNIT ELECTRO SENSITIVE PROTECTIVE EQUIPMENT TYPE 4 ESPE and all its models are in conformity with the reguirements of fhe European Council Directives listed below 2006 42 EC Machinery Directive 2004 108 EC EMC Directive 2006 95 Low Voltage Directiva E
23. MES HR ERUIT SNNT CURE NC therefore observed the regulabons foreseen durimg development and Monte San Pietro January 208 2012 Paolo Morsalli Quality Manager I d pi Lu EB a L Fu i B INDEX 1 GENERALINFORMATIODNL ese Re habs UK EI CER ER LEE 1 1 0 Purpose orihis OU ER 1 t2 Ideoiesaduers dure enatis anota bU dene o e tud dae dett 1 PS NEMUS Ie uenientem 1 2 PRODUCT GENERAL DESCRIPTION ebur B SE eae atacand ae 2 Al Rakad COMEN NER REOR T TEE 2 2 2 Appearance and user interface pp 2 209 Senso S a fedem ae ee 3 2 4 Main functions managed by the control unit 5 2 9 IVpiCalADDIICOlDEIS re Ice etn EAEE EA E A aed eal 5 3 7 2k Saey IMIOR MA OMe e O 7 3 2 Precautions to be observed for the choice and installation of the device pp 3 3 General information on sensors positioning pp 8 OAs ulti INS TANAtON CISLAN COs ease d etos tes tata itc dee Gd Ue Gothis bane E 9 3 5 Minimum distance from reflecting surfaces pp 11 3 6 Sensors Interfere
24. MT system is typically used as a protection to the access to dangerous areas on machines or systems The sensors are fixed and installed to the access area at the suitable safety distance from the nearest danger source and output a stop control to the machine or system if the light beam is interrupted Moreover since it can connect up to 2 safety light curtains SG BWS T4 MT can also be used for protecting operating areas requiring evolved functions not implemented on light curtains SG and SE series Hereafter are shown some application examples with SG BWS T4 MT Example 1 Conveyors and robot protection The protection of the conveyor is obtained using both safety photocells and light curtains Fig 5 Conveyor protections Solution SG BWS T4 MT is able to censure a complete Cat 4 protection as requested by the machine typology thanks to the integrated muting function and the possibility of driving both the safety photocells and light curtains Advantages SG BWS T4 MT one single device that driver both the light curtains and photocells with two separate muting channels instead of having different single function modules Consequently costs are reduced and the mounting is facilitated SG BWS T4 MT Instruction Manual Example 2 Automatic warehouses The access of both moving bay sides has to be protected in order to prevent operators entering the dangerous area Fig 6 Automatic warehouses protection with photocells Solution
25. RE rd om LOCKOUT ud POWER O NORMAL RESTART SAFE FAILURE LOCKOUT POWER O NORMAL SENSOR FAILURE LOCKOUT POWER O NORMAL SAFE LAMP FAILURE LOCKOUT POWER O NORMAL OVERRIDE FAILURE The Dip Switches setting consistency test has failed Start signal time out tripped Test of indicated safety sensor has failed Muting lamp faulty or disconnected The Override command activation test has failed push buttons not pressed at the same time Tab 14 Failure state signalling Make sure that the settings of the two sets of switches is the same see 4 4 Reset the control unit see 4 9 If error persists please contact the Technical Service Make sure you hold the Start button depressed for less than 5s F 1 4 Make sure there is no interference across different photocell sets F 5 6 Check light curtains OSSD connections see 4 5 Change the faulty lamp then Reset the control unit see 4 9 Press the Override push buttons at the same time 38 Instruction SG BWS T4 MT 7 2 39 PERIODICAL CHECKS AND WARRANTY Periodical checks The following is a list of recommended check and maintenance operations that should be periodically carried out by qualified personnel Check that e The ESPE stays in SAFCNs disabled state SAFE mode during photocells and light curtains beam interruption using the suitable Test Piece along the entire prote
26. The alignment mode and relevant procedure are described here below e Cut off control unit power supply e Power on the control unit while holding pressed Test button Test contact open e he 7 segment display shows the first device to be aligned Photocells 1 4 light curtains 5 6 release Test button e Align the indicated device until display will indicate the following device to be aligned or alignment completed warning flashing When alignment is completed cut off control unit power ensure Test button is released contact closed and restore control unit power The control unit will run the initial test routines and display a countdown the display will then turn off and the control unit will switch to NORMAL OPERATION status 6 NORMAL Now carry out the following inspections e The ESPE stays in 6 SAFE mode during photocells and light curtains beam interruption using the suitable Test Piece along the entire protected area e Enabling the TEST function the SAFCN outputs should open 6 SAFE and the controlled machine stops e he response time upon machine STOP including response time of the ESPE and of the machine is within the limits defined for the calculation of the safety distance see section 3 Installation e The safety distance between the dangerous areas and the safety sensors is in accordance with the instructions included in section 3 Installation e Access of a person between sensors and machine dangerous
27. UN Carta dees LUE 44 0 eme A 44 TEZ 299912 95 5 T4 SE5 S 9300 esi au be ditare te a semi urea fuese Los 44 IZAPPENDIA ee w 45 EN INS IBISS doe RR 45 2 45 Instruction SG BWS T4 MT 1 1 1 2 1 3 GENERAL INFORMATION Read this section carefully before implementing the instructions given in this manual and starting the SG BWS T4 MT safety system Purpose of this document These instructions for use are addressed to the manufacturer technicians or staff operating the machine and give all necessary instructions for correct and safe assembly setup electric connection and commissioning of the SG BWS T4 MT safety system ocope of this document excludes information about use of the machine the safety system is installed to Intended readers The instructions for use given herein are addressed to designers manufacturers and persons in charge of the safety of systems to be equipped with the SG BWS T4 MT They are also addressed to the staff in charge of installing the SG BWS T4 MT to a machine commissioning it or servicing it Usage information These instructions for use contain the following details about the SG BWS T4 MT installation diagnostics and troubleshooting electrical connection user
28. axis 1octave min EN 60068 2 6 Shock resistance 16 ms 10 G 1 000 shocks per axis EN 60068 2 29 Housing material Nylon PA66 Weight 370g Tab 15 SG BWS T4 MT technical data 5 ST2 ST4 SL5 ST4 For technical details about S5 SL5 series look at pertaining user manual e 300 For technical details about S300 series look at pertaining user manual 41 SG BWS T4 MT Instruction Manual 10 ORDER DATA eControl Unit BEES NE SG BWS T4 MT TYPE 4 CONTROL UNIT WITH DOUBLE MUTING o D 5 X e 9 9 gt G xD c uS O 1 oO C 3 X S g LO c LL 1 E G S ET S 5 S is gt gt gt gt 2 S S G LU LU LU LU Y I PFHd MTTFd SG BWS T4 MT BWS T4 MT 1 74E m 98 98 40 99 42 Instruction SG BWS T4 MT e Photocells 5 M18 Tubular 55 5 8 92 5 5 4 S5 5 F8 92 SG ST4 RECEIVER 10 30VDC 952051930 SL5 5 G 82 SG ST4 SL5 5 G 82 SG ST4 LASER EMETT 40m M12 952501160 SL5 5 F 92 SG ST4 SL5 5 F 92 SG ST4 RIC 40m PNP LIGHT M12 952501170 5300 maxi Component Descipion Code S300 PR 5 G00 EX SG ST2 951451320 S300 PR 5 G00 EX M SG ST2 951451330 S300 PR 5 F01 OC SG ST2 951451340 S300 PR 5 F01 OC M SG ST2 951451350 S300 PR 5 G00 EX SG ST4 951451360 S300 PR 5 G00 EX M SG ST4 951451370 e Accessories SG DM 150 DEVIATING MIRROR H 150MM 9
29. ayed on control unit screen If EDM is not used it will be necessary to leave terminal 4 disconnected or fixed to OV see 4 3 SAFCNs STATE NORMAL SAFE EDM Tc To Tc2 350 msec time after SAFCN OFF ON switch when EDM test is performed To2 100 msec time after SAFCN ON OFF switch when EDM test is performed Fig 22 EDM Timings To exploit the EDM function available in the SG BWS T4 MT system you simply have to connect in series the two NC contacts of the external relays then connect the free ends respectively to 24V and contact 4 of control unit as shown in the above diagram 4 10 Reset mode and connection of the Start push button The interruption of a beam due to an opaque object causes the opening of SAFCN outputs and the stop of the safety control unit SAFE condition 69 SAFE ESPE standard operation can be reset SAFCN safety contacts closing NORMAL OPERATION condition 6 NORMAL in two different ways e Automatic reset After its activation ESPE resets to standard operating condition once the object has been removed from the controlled area e Manual reset After its activation ESPE resets to standard operating condition only once the reset function has been enabled and provided that the object has been removed from the controlled area This condition determines interlock status pointed out on the display by the relevant warning see section 6 Diagnostics and warnings The reset command will only be effective if
30. below is a list of possible settings selectable through the 8 Dip Switches available PURPOSE Omen _ _ mA _ EN SEEN RN NN TRIGGER OVERRIDE LEVEL FRONT cs See table below EON 4 O 2 MUTING SELECTION Tab 7 Dip Switches configuration Datalogic Automation supplies the control unit in the Default setup all switches OFF The Dip Switches 6 7 8 allow user to couple the single devices to the 2 muting channels available on the SG BWS T4 MT DIP SWITCH SETUP PHOTOCELLS LIGHT Mon LIGHT CURTAIN SET 1 2 SET 3 4 2 W 5 BB 0 OFF 1 0N A B Device associated to channel A B Default setting 000 Tab 8 Sensors matched to muting channels Activating a channel muting involves temporarily suspending the safety function of all devices associated to it Extreme care is hence required when associating channel to devices any dangerous settings shall be avoided 19 SG BWS T4 MT Instruction Manual 4 7 Please refer to Application with eight sensors on two separate channels under paragraph 4 10 for an example of muting channels setup Safety light curtains connections 1 2 or no safety light curtains can be connected to the SG BWS T4 MT Connections required for installing 2 light curtains SIGNAL CONTACT CONNECTION OSSD11 OSSD21 4
31. cise For correct safety distance please refer to complete standard EN 999 Example 2 light curtain with 4 S5 photocells Using the same formula as above we obtain S K t T ttg t SG BWS TA MT response time 35 ms tt S5response time 1 5 ms machine total stopping time 290 ms P 850mm for devices with resolution gt 40 mm 850 mm o 1600 0 327 850 13 2 mm Instruction Manual SG BWS T4 MT 3 5 Minimum distance from reflecting surfaces Reflecting surfaces placed near the light beams of the safety device over under or laterally can cause passive reflections These reflections can compromise the recognition of an object inside the controlled area However if the RX receiver detects a secondary beam emitted again by the side reflecting surface the object might not be detected even if the object interrupts the main beam DANGEROUS AREA Reflecting surface Reflecting surface Fig 11 Distance from reflecting surfaces It is thus important to position the photocells or light curtains according to the minimum distance D from reflecting surfaces The minimum distance depends on e operating distance between emitter TX and receiver RX e real opening angle of ESPE EAA especially o for ESPE type4 5 2 5 for ESPE 2 10 5 The formula to get Dg is the following Dsr m 0 15 for operat dist lt 3 m Dsr m
32. correct sequence for activation of sensors A11 A21 A12 A22 These sensors might be optical mechanical proximity ones or else with closed contact when object to be detected is present Application with eight sensors on two separate channels Curtain 1 Curtain 2 77 E M d zy AN S i Fig 29 Muting 8 sensors application Thanks to its two separate muting channels SG BWS T4 MT can accept the muting request output by Axx sensors without interrupting the safety function on light curtain 2 To implement such setup user simply needs to match light curtain 1 to channel A and light curtain 2 to channel B Dip Switches 6 7 8 set to 0 1 1 then connect the sensors Axx and Bxx as shown below The muting function can also be activated on separate channels by using safety photocells Tab 8 shows possible combinations between muting channels and safety sensors 28 Instruction SG BWS T4 MT Muting sensors wiring 24 Vic A11 contact A12 contact A21 contact 9 MUTA1 A22 contac 13 MUTA2 B11 contact NN 15 MUTB2 BW 5 4 12 contact clamps B21 contact B22 contact Fig 30 Muting 8 sensors aplication connections Muting can be activated in both directions or just in one direction the Dip Switch 4 selects T or L see 4 4 while sensors layout determines allowed direction s 4 12 5 Uni directional type L muting
33. cted area e Sensors are correctly aligned by slightly pressing each sensor side in both directions the system shall stay in 6 NORMAL mode e Enabling the TEST function the SAFCN outputs should open SAFE and the controlled machine stops e The response time upon machine STOP including response time of the ESPE and of the machine is within the limits defined for the calculation of the safety distance see section 3 Installation e The safety distance between the dangerous areas and the safety sensors is in accordance with the instructions included in section 3 Installation e Access of a person between sensors and machine dangerous parts is not possible nor is it possible for him her to stay there e Access to the dangerous area of the machine from any unprotected area is not possible e The ESPE the sensors and the external electrical connections are not damaged The frequency of checks depends on the particular application and on the operating conditions of the safety light curtain Warranty Datalogic Automation guarantees each brand new SG BWS T4 MT system under standard use conditions against manufacturing defects in material and workmanship for a period of 36 thirty six months from the date of manufacturing Datalogic Automation will not be liable for any damages to persons and things caused by failure to stick to the correct installation modes and device use Warranty validity is subjected to the following condi
34. e ESPE opens SAFCN outputs 0 SAFE As required by applicable standards the control unit is equipped with two inputs for activating the muting function in every channel Duly connect the Muting sensors in order to avoid that incorrect positioning might lead to unwanted Muting requests Nevertheless it shall be noted that the Muting function always represents a way forcing the system and shall hence be used with care SG BWS T4 MT Instruction Manual 4 12 1 Muting function dynamic disabling It is possible to dynamically enable or disable the muting function during SG BWS T4 MT operation if function is disabled the control unit shall keep the safety function active even in case of a valid muting request Two enabling inputs are provided each of them refers to one muting channel Muting function is enabled with signal low open contact to the relevant terminals as indicated below 24VDC OVDC Fig 26 Muting enabling switches connection 26 Instruction Manual SG BWS T4 MT 4 12 2 Muting warning devices To use the Muting function it is also required to connect the external Muting warning lamp since control unit would lock out if it is missing One lamp shall be used per channel If device is preset for use of just one channel both warning devices are associated to it in this way failure of one of the lamps would not lock out system operation If you wish to use just one warning device for the single channel
35. e the Test contact Pin 3 and O NORMAL restart the control unit to switch to SAFE normal operation EE n POWER SAFE The indicated safety device beam Clear the area or check device O NORMAL is interrupted If many devices are connections SAFE in this status the first one is indicated then the others in a sequence 1 to 6 POWER NORMAL The device is in normal operating NORMAL OPERATION conditions and monitored area is O SAFE Bee POWER The Override function can be Perform the suitable sequence to O NORMAL activated on channel A B or both activate the Override or clear off any objects interrupting safety SAFE sensors beam POWER NORMAL The Muting function is active on NORMAL OPERATION channel A B or both The muting O SAFE indicator is flashing gt Lio du i 41 POWER NORMAL The Override function is active on NORMAL OPERATION channel A B or both The muting O SAFE indicator is flashing A Instruction 6 2 37 SG BWS T4 MT INDICATION STATUS DESCRIPTION WHAT TO DO POWER NORMAL NORMAL OPERATION Lo POWER X NORMAL SAFE Interlock NORMAL OPERATION SAFE POWER O NORMAL O SAFE POWER SAFE of the two muting lamps is disconnected or faulty only one muting channel is active Waiting forthe START command in manual reset mode The decimal point indicates that the EDM funct
36. echanical protection must be mounted to prevent the access Instruction Manual SG BWS T4 MT 3 4 Minimum installation distance The safety device must be positioned at a specific safety distance This distance must ensure that the dangerous area cannot be reached before the dangerous motion of the machine has been stopped by the ESPE The safety distance depends on 4 factors according to the EN 999 Standard e Response time of the ESPE the time between the effective sensors beam interruption and the opening of the SAFCN contacts e Machine stopping time the time between the effective opening of the contacts of the ESPE and the real stop of the dangerous motion of the machine e ESPE resolution e Approaching speed of the object to be detected SG BWS T4 MT response time is 35ms Fig 9 Safety Distance The following formula is used for the calculation of the safety distance o K t t t C where S Minimum safety distance in mm Speed of the object limb or body approaching the dangerous area in mm s SG BWS T4 MT response time in seconds 0 035 t The higher response time of all times for the safety sensors connected to SG BWS T4 MT t5 Machine stopping time in seconds d Resolution of the system C Additional distance based on the possibility to insert the body or one of body parts inside the dangerous area before the protective device trips 1 K is e 2000 mm s if the calculated value
37. er details about photocells operation The SG BWS T4 MT system also allows for connection of up to two safety light curtains of the SG and SE Series and can even power them Instruction Manual SG BWS T4 MT 2 4 2 5 Main functions managed by the control unit e Manual Automatic restarting select whether the safety outputs are automatically closed when danger condition no longer applies or if this should happen after a manual enabling command output through a restarting selector e EDM the control unit can monitor any external contactors possibly connected downstream e Muting it is possible to disable the safety function of one or more sensors connected to the control unit in order to allow passage of material yet avoiding machine stoppage for instance In particular the control unit features two separate channels for the muting function that can be individually associated to pairs of photocells or light curtains Every channel is controlled by 2 or 4 sets of suitable sensors depending on whether muting function is uni or bi directional respectively Override it forces system to close the output relays even when beam is interrupted in order to allow passage of material possibly blocked in front of the safety sensors Muting and Override are two ways of forcing the system because they compromise system safety level Closely comply with use instructions under paragraphs 4 10 4 11 Typical Applications The SG BWS T4
38. essary to make a jumper to connect the set of TXn RXn contacts not in use The diagram below shows an example where two sets of photocells are connected 24VDC lleeeelleeeel 9 10 11 12 17 18 19 20 ERA HH EE OVDC Sar l mE Bi RX1 RX4 TX1 TX4 e 37138139140 1 ewe 29 30 31 32 ra DE Fig 20 Safety photocells connection SG BWS T4 MT Instruction Manual Photocell connectors are hard wired as follows EMITTER RECEIVER TEST OV PNP OUT OV blue 24V 24 brown brown 4 9 Connecting the external relays EDM If you choose to use external relays instead of the ones coming with the SG BWS T4 MT just make connections as shown below ene 4 9116111112 L e Neeeel 5 6 7 8 i m External devices monitoring EDM checks whether the relays or other control devices have really opened the power circuit due to a dangerous condition detected by the safety sensors This function monitors normally closed contacts upon SAFCN status change External Safety Contactors Fig 21 EDM connections 22 Instruction Manual SG BWS T4 MT EDM function is activated by duly setting Dip Switch 1 Activation is confirmed by the decimal point dot being displ
39. ing light sources or close to similar devices e Strong electromagnetic disturbance might negatively affect device operation Should this be the case contact Datalogic Automation Technical Service e The operating distance of the safety sensors can be reduced in presence of smog fog or airborne dust e sudden change in environment temperature with very low minimum peaks can generate a small condensation layer on the sensors lenses and so jeopardise functioning SG BWS T4 MT Instruction Manual 3 3 General information on sensors positioning Pay special care when positioning the safety photocells and light curtains So to offer effective protection The safety sensors should be installed in such that the dangerous area only be accessed after intercepting the sensitive area Photocells position is fixed by normative and must respect measures in Tab 4 Below are some examples of possible access to the machine from the top and the bottom sides These situations may be very dangerous and so the installation of the safety light curtain at sufficient height in order to completely cover the access to the dangerous area becomes necessary Q YES Fig 8 Safety light curtain positioning Under standard operating conditions machine starting must not be possible while operators are inside the dangerous area If the operator is able to enter the dangerous area although ESPE positioning an additional m
40. ion is active see 4 7 TEST push button pressed contact 3 open 13 Normal operation signalling Failure state signalling Change the faulty lamp It is not necessary to restart Switch device off and back on Push reset control Check TEST push button connections see 4 9 INDICATION STATUS DESCRIPTION WHAT TO DO O POWER O NORMAL O SAFE POWER O NORMAL SAFE INTERNAL DEVICE MONITORING FAILURE LOCKOUT POWER O NORMAL INTERNAL OSSD FAILURE LOCKOUT POWER O NORMAL SAFE HA FAILURE LOCKOUT POWER O NORMAL MICRO PROCESSOR FAILURE LOCKOUT Lert i di Power disconnected or inner fuse blown due to overload Internal relays contacts monitoring test has failed Internal OSSD test routine has failed EDM test has failed One of microprocessor tests has failed Check power supply If error persists please contact the Technical Service Reset the control unit see 4 6 If error persists please contact the Technical Service Reset the control unit see 4 9 If error persists please contact the Technical Service Check EDM connections see 4 7 or disable EDM function see 4 4 if you do not wish to use it Disconnect power supply and reconnect it If error persists please contact the Technical Service SG BWS T4 MT Instruction Manual INDICATION STATUS DESCRIPTION WHAT TO DO POWER O NORMAL DIP SAFE SWITCHES FAILU
41. l SG BWS T4 MT 4 4 1 4 2 4 3 15 ELECTRICAL CONNECTION Important installation tips Do not place connection cables in contact with or near high voltage cables and or cable undergoing high current variations e g motor power supplies inverters etc Do not connect in the same multi pole cable the wires for control unit safety outputs or the OSSD wires of different light curtains Do not connect in the same multi pole cable both emitter and receiver of a set of photocells All devices are protected internally against overvoltage and overcurrent the use of other outer parts is not recommended SG BWS T4 MT as MPCE Machine Primary Control Equipment SG BWST T4 MT can be directly used as a Machine Primary Control Equipment MPCE since it s equipped with internal monitored relays which can switch a maximum load of 3 6A at 250V The proper connections are shown in Fig 16 Fuse 3 6A Main Supply Voltage SAFCN11 19 SAFCN21 20 BWS T4 MT SAFCN12 23 SAFCN22 24 To machine power Fig 16 SG BWS T4 MT connection to machine power supply SG BWS T4 MT as external safety relays controller When utilizing SG BWS T4 MT for external safety relays control proper connections are shown in 4 9 Connecting the external relays and EDM SG BWS T4 MT Instruction Manual 4 4 Minimum connections 1 photocell no EDM automatic restart 24VDC OVDC JEEN RX TX lar
42. m
43. maintenance 2 2 Appearance and user interface 2222 29130131 32 338139 149 0451 46147 48 Fig 1 SG BWS T4 MT Appearance and user interface SG BWS T4 MT safety system consists of a control unit enclosed in a plastic housing to be installed on OMEGA DIN rail equipped with 48 screw clamps that can be connected up to 4 sets of photocells of the S5 ST SL5 ST 5300 series and to up to 2 safety light curtains oystem was designed making reference to the following regulations and standards EN 61496 1 2004 Safety of machinery electrosensitive protective equipment Part 1 General requirements and tests CLC TS 61496 2 2006 Safety of machinery electro sensitive protective equipment Particular requirements for equipment using active optoelectronic protective devices The control unit fits some safety outputs controlled through two 230V relays according to the status of each and every sensor connected to the system when a photocell or light curtain detects any dangerous condition this opens the outputs At the top of SG BWS T4 MT is user interface for viewing warnings and setup Further to the 7 segment display for diagnostics purposes the warning components include 3 LEDs Instruction SG BWS T4 MT Safety outputs closed Safety outputs open Tab 2 Signalling LEDs LED ndication POWER Device is powered correctly The device setup Dip Switches are l
44. nce pp 12 S72 dnstalhngihe salely Control cae cot Eunice tei NU M D Sota d 13 3 0 Installing the ts acida Dried ER vibus aud Re XR YE DRE VE V RR dedi ae ere 13 4 ELECTRICAL CONNEG TION 15 Al Wmporanbiristallauonm eiie du 15 4 2 SG BWS T4 MT as MPCE Machine Primary Control 15 4 3 SG BWS T4 MT as external safety relays controller pp 15 4 4 Minimum connections 1 photocell no EDM automatic restart pp 16 425 COmplete listor Connections es 17 40 SWINES erea e ea une 19 4 7 Safety light curtains connections Nt 20 Safety PMOLOCEIIS lt COMMECUON TI Em 21 4 9 Connecting the external relays and EDM pt 22 4 10 Reset mode and connection of the Start push button pp 23 4 11 Connection of the Test Reset push button pp 24 4 12 Muting function and relevant connections pp 25 4 12 1 Muting function dynamic disabling sco viser xps eque a e OM 26 4 12 2 Mu tin warnine ccn 27 27 4 12 4 applications and sensors connections vae it state eeu o ot bd de ede e d edo 28 4 12 5 Uni directional L muting 2 Sensors 29 4 12 6
45. o reduce vibrations when application requirements are stricter than specifications indicated under section 9 Technical data During assembly strictly comply with the instructions given under 3 4 Minimum installation distance and 3 5 Minimum distance from reflecting surfaces SG BWS T4 MT Instruction Manual Use of deviating mirrors The control of any dangerous area with several but adjacent access sides is possible using only one safety device and well positioned deviating mirrors The figure shows a possible solution to control three different access sides using two mirrors placed at 45 with respect to the beams s DANGEROUS s 5 AREA Bi 5 v Mirror Mirror D2 Fig 15 Deviating Mirros The operator must respect the following precautions when using the deviating mirrors e t is very hard to align the receiver and the transmitter when using deviating mirrors a tiny angular shift of the mirror is enough to have a misalignment e The minimum safety distance S must be respected for each single section of the beams e The effective operating range decreases by about 15 by using only one deviating mirror the percentage further decreases by using 2 or more mirrors for more details refer to the technical specifications of the mirrors used e The presence of dust or dirt on the reflecting surface of the mirror causes a drastic reduction in the range 14 Instruction Manua
46. ocated on the sides please refer to section 4 The user interface and the Dip Switches are protected against unauthorised access by means of clear flaps that can only be opened via a small flat blade screwdriver less than 3mm wide opening groove Fig 2 Protective Flaps 2 3 Safety sensors 4 types of photocells can be connected to the safety control unit 95 5 X X SG ST2 Type 2 safety photocell emitting infrared beams S 5 5 X X SG ST4 Type 4 safety photocell emitting infrared beams e SL5 5 X X SG ST4 Type 4 safety photocell emitting long distance red laser beam S300 PR 5 X X ST4 Type 4 safety photocell for long distance applications S300 PR 5 X X ST2 Type 4 safety photocell for long distance applications See section 10 Order data for further details about available photocell models Using the above photocells independently from SG BWS T4 MT does not meet EN 61496 1 and CLC TS 61496 2 requirements and is thus not allowed Connection of Type 2 photocells results in the whole system category downgrade to Type 2 SG BWS T4 MT Instruction Manual 55 SL5 sensors are housed in plastic tube casings featuring M18x1 thread Fig 4 S300 series safety photocells The photocells are equipped with LEDs for operation status indication SENSOR iED oo S 55 Receiver emu 51575300 Receiver Tab 3 Photocells signalling Please refer to the relevant user manual for furth
47. put PNP output of muting sensor B2 Muting input Override B2 NO contact toward 24VDC Override input Negative terminal of muting lamp A Muting lamp output Negative terminal of muting lamp B Muting lamp output Positive terminal of muting lamp B Muting lamp output Relays output NO 230V 2 Safety contact PNP output of receiver photocell 1 black Photocell Input PNP output of receiver photocell 2 black Photocell Input 27 PNP output of receiver photocell 3 black Photocell Input Positive terminal of muting lamp A Muting lamp output Safet tact Relays output NO 230V 1 alety contac Safety contact SG BWS T4 MT Instruction Manual SIGNAL TERMINAL CONNECTION FUNCTION RX4 28 PNP output of receiver photocell 4 black Photocell Input TX1 29 TEST of emitter photocell 1 black Photocell Output T EST of emitter photocell 2 black EST of emitter photocell 3 black EST of emitter photocell 4 black Photocell Output 4VDC photocell receivers 1 and 2 brown Power supply output VDC photocell receivers 1 and 2 blue Power supply output VDC photocell receivers 3 and 4 brown Power supply output DC photocell receivers 3 and 4 blue Power supply output 4VDC photocell emitters 1 and 2 brown Power supply output VDC photocell emitters 1 and 2 blue Power supply output 4VDC photocell emitters 3 and 4 brown Power supply output DC photocell emitters 3 and 4 blue Power supply output SSD 1 output of light curtain 1 grey afety light cur
48. tain input SSD 1 output of light curtain 2 grey afety light curtain input 24VDC light curtain receivers 1 and 2 Power supply output brown OVDC light curtain receivers 1 and 2 Power supply output brown OSSD 2 output of light curtain 1 pink afety light curtain input OSSD 2 output of light curtain 2 pink afety light curtain input 24VDC light curtain emitters 1 and 2 Power supply output brown OVDC light curtain emitters 1 and 2 brown NO Normally Open NC Normally Closed Photocell Output Photocell Output 24VRX12 0VRX12 24VRX34 0VRX34 24VTX12 0VTX12 24VTX34 0VTX34 N NIOJN NO 24LRX12 OLRX12 24LTX12 OLTX12 Power supply output Tab 6 Full connection list The following paragraphs deal with the wiring of each single function Edm Muting in more detail 18 Instruction Manual SG BWS T4 MT 4 6 Dip Switches Setup At control unit top part you will find two units made up of 8 Dip Switches each SG BWS T4 MT safety rating requires installation of two switches for setting up each function so that the setup defined for the first unit shall be set even for the second unit Please note that the two units layout is deliberately antisymmetric the 1 switch of the right hand unit corresponds to the last one of the left hand unit Such a layout requires a higher awareness when selecting a setup that might directly affect system safety The table
49. tion When the display shows the above indicated warning press both buttons associated to the channel for which Override shall be activated Once function has been activated the display shows three overlapping segments and the Muting lamp flashes to indicate safety function disabling The Override function can last for a maximum of 120 seconds after this time it is disabled even if buttons are still depressed Activation of the Override function for a certain channel does not interrupt the safety function on the other channel if a sensor beam on the active channel is interrupted the ESPE opens SAFCN outputs 0 SAFE e Edge or Level Override Using the Dip Switch 5 user can set one of two different Override modes level the function is kept active as far as both push buttons are depressed The Override is immediately disabled when one push button or if muting sensors beam is no longer interrupted edge the function is kept active even after the push buttons are released and is disabled after the 120s time out or as soon as all muting sensors beams are no longer interrupted In such a case reactivation of normal operation could be not monitored by an operator thus becoming virtually dangerous Please consider any possible risk and take necessary counter measures if edge override is selected Level Triggered Override Timings OVRX1 SG BWS T4 MT Instruction Manual Override L type muting
50. tion the control unit shall lock out and display the relevant error code Instruction Manual SG BWS T4 MT 4 8 21 Please refer to the relevant manual for instructions on how to connect the light curtain cables not used for operation with SG BWS T4 MT Safety photocells connection 0 to 4 safety photocells can be connected to the SG BWS T4 MT Connections required for installing 4 photocells SIGNAL CONTACT CONNECTION Rada 25 PNP output of receiver photocell 1 black RX1 RX2 26 PNP output of receiver photocell 2 black PNP output of receiver photocell 3 black RX4 28 PNP output of receiver photocell 4 black 29 30 TEsroreniterpnoocelzoag 1 TESrefemMerphooel3 Mlak O O 32 TEST of emitter photocell4 black O O O O B3 34 O 35 TX1 TX2 TX3 TX4 24VRX12 24VDC power for photocell receivers 1 and 2 brown 0VRX12 OVDC power for photocell receivers 1 and 2 blue 24VRX34 24VDC power for photocell receivers 3 and 4 brown OVRX34 36 OVDC power for photocell receivers 3 and 4 blue 24VTX12 24VDC power for photocell emitters 1 and 2 brown OVTX12 OVDC power for photocell emitters 1 and 2 blue 38 24VTX34 24VDC power for photocell emitters 3 and 4 brown wm 4 OVDC power for photocell emitters 3 and 4 blue Tab 10 Safety photocells connections If not all 4 photocells are installed it is nec
51. tions User shall notify Datalogic Automation the failure within thirty six months from product manufacturing date e Failure or malfunction shall not have been originated directly or indirectly by Use for unsuitable purposes Failure to comply with the intended use prescriptions Negligence unskillfulness wrong maintenance Repairing changes adaptations not made by Datalogic Automation personnel tampering with the device etc Accidents or crashes even due to transportation or by force majeure causes o Other causes not depending from Datalogic Automation O O O 0 O If the device does not work send the unit to Datalogic Automation The Customer is responsible for all transport charges and damage risks or material loss during transport unless otherwise agreed All replaced products and parts become a property of Datalogic Automation Datalogic Automation acknowledges no other guarantees or rights apart from the ones expressly specified above Therefore no claims for damages due to afforded costs suspension of working activities or other factors somehow linked with product or product parts failure will be accepted In case of problems please contact Datalogic Automation Service Department Service Department Phone no 39 051 6765611 Fax no 39 051 6759324 SG BWS T4 MT Instruction Manual 8 1 DEVICE MAINTENANCE SG BWS T4 MT and photocells of the 55 SL5 S300 series do not require any special servicing
52. to clear off the controlled area removing any material build up in front of photocells due for instance to machine cycle fault Say that a pallet has stopped in front of one or many optics the conveyor belt can not be restarted since the control unit detects one or more beams interrupted and will not close the output relays i e not allow clearing of the controlled area Using the Override function will allow clearing of the area OVDC e A2 1 B1 B2 2 3 9110111 MERER Lee leeee 5 6 7 8 poem 1411 NI Fig 36 Override switches connections The Override contacts shall be connected by means of push buttons normally open toward 24VDC OVRA and OVRA2 signals control the Override on the devices associated to the Muting A channel vice versa OVRB1 and OVRB2 signals control the Override on the devices associated to the Muting B channel The Override switches shall be set so that the operator can see the whole controlled area when activating the function as well as outside such area Override can only be activated under certain conditions outputs shall be in SAFE status and at least one Muting sensor beam shall be interrupted In such conditions the control unit will display a message warning about the possibility to activate the Override function see section 6 Diagnostics and warnings 33 Instruction Manual SG BWS T4 MT e Activating the Override func
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