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DSP 

LASER

 

 

 

DSPLSR01EN

 

41 

  The distance between the front part of TX and RX and the basement of the press is 

greater than or equal to 100 mm with the purpose to avoid the squashing of the hand. 
 
The adjustment of the supports takes place only along the vertical axis of the press, in 
parallel direction to the bending surface. 
 

  The movement of the supports is such to allow: 

 

o

 the  correct  use  of  the  tools,  with  minimum  and  maximum  height,  signalled  by  the 

manufacturer of the press. 

 

Check

 

 
Install  the  minimum  height  tool;  bring  the  supports  of  TX  and  RX  as  high  as 
possible and lock them in this position, check the beam is interrupted by the tool. 
Install  the  maximum  height  tool;  bring  the  supports  of  TX  and  RX  as  down  as 
possible  and  lock  them  in  this  position,  check  the  beam  is  not  interrupted  by  the 
tool. 

 

o

 the unassembly of the tools without requiring the unassembly of the devices and/or 

supports (e.g. possibility to extract the tools with the TX completely lifted). 

 

  The locking of the support, once adjusted, is safe against the accidental loosening 

 

Crashes and vibrations

 

 
Use  all  the  possible  precautions  to  reduce  the  vibrations  of  the  machine.  Protect 
the  device  and  the  supports  with  material  protections  in  such  a  way  to  avoid 
crashes. 

 
 

13.3.4.  Installation

 

The  containers  of  TX  and  RX  are  provided  with  three  threaded  holes  for  the  fixing  to  the 
machine, as reported in figure 13.1. Then fix TX and RX to the supports by means of three 
6MA screws, screwing them in the proper seats present in the equipment. 
 

 

 

Caution:

 

Be sure that the screws are tighten in such a way not to be loosen by 
the  vibrations  of  the  machine.  The  torque  strength  of  the  screws 
must not be less than 1.96 N*m (20 kg

f

*cm). 

 

The devices must be fixed to the supports in such a way that: 

 

  The central vertical protection surface of TX and RX is 

not

 2 

millimetres

 beyond the 

axis of the tool towards the rear part of the press.  

 

Summary of Contents for DSP LASER

Page 1: ...L INSTRUCTIONS TYPE 4 SAFETY DEVICE WITH VISIBLE LASER EMISSION Revision 1 7 of 29 01 2020 NUOVA ELETTRONICA s n c di Pasqui F C Via Parri ZI Moiano 06062 Citt Della Pieve PG ITALIA UE Tel 39 0 578 29...

Page 2: ......

Page 3: ...ate Revision Summary of changes 12 09 2009 1 0 Draft 24 10 2009 1 1 First issue 01 12 2009 1 2 Second issue 10 12 2009 1 3 Third issue 03 02 2017 1 4 Fourth issue 16 03 2017 1 5 Fifth issue 26 11 2019...

Page 4: ......

Page 5: ...afety in the working places and to the fire prevention The manual must be kept both by the manufacturer and by the user of the machine with care and in a place such to be immediately available each ti...

Page 6: ...ormation can cause serious dangers for the operator Residual risk The information signals a risk which had been impossible to eliminate Caution Indicates a situation of possible danger which if not av...

Page 7: ...works and phenomena not depending on the normal operation e g wrong voltage or frequency values of the mains d repair interventions carried out by persons or Technical Service Centres not authorized...

Page 8: ...ng principle 15 10 Requirements necessary for the correct use of DSP LASER 16 10 1 Command circuit of the press brake 16 10 1 1 Start and stop 16 10 1 2 Inhibition 16 10 1 3 Operating modes 17 10 1 4...

Page 9: ...3 Mechanical installation 38 13 3 1 Modules ALdc AL1B AL2B 38 13 3 2 Transmitter and Receiver 38 13 3 3 Setting 40 13 3 4 Installation 41 13 4 Electrical connection 43 14 Commissioning 52 14 1 Power...

Page 10: ...an overload for the transformer so compromising the correct operation of it and of the circuits for the emission and the reception of the laser beam and as consequence the device control functions Op...

Page 11: ...e removal of the device 6 6 Spare parts The spare parts can be provided only by Nuova Elettronica 6 7 Decommissioning When you decide not to use the device DSP LASER anymore because obsolete or irrepa...

Page 12: ...ween the moment when the test piece is inserted in the detection area and the moment when the two OSSD switch to OFF state STATE OFF State where the output circuit OSSD is open and cuts the current fl...

Page 13: ...of type 4 ISO 13849 1 2015 it can be classified as PL e SIL3 The laser contained in DSP LASER is classified as CLASS 1M according to the rule CEI EN 60825 1 2015 DSP LASER if correctly installed and...

Page 14: ...ependent microprocessors to implement the function of control of the detection area of command of the outputs and in general of monitoring of the system two safety solid state OSSD switching devices p...

Page 15: ...minating the receiving elements causes the detection of the occurred interruption The detection of the interruption of one or more of the receiving elements is then managed by the system to issue or n...

Page 16: ...24Vac AL1B Power supply module with filter and power supply transformer by 220Vac or 24Vac and OSSD outputs with relay AL2B The codes identifying RX module of DSP LASER with the corresponding configu...

Page 17: ...ting cycle of a bending press brake Here below the operating diagram of the working cycle of a hydraulic bending press brake with closing from above is schematically presented States of the cycle Abbr...

Page 18: ...n area volume for the protection of the operator who enters in it Warning DSP LASER provides protection to the operator only stopping the movements in progress of the upper table Then it cannot be use...

Page 19: ...s then clear that the safety area precedes the movement of the upper tool of a such space to allow the tool can be stopped without squashing any opaque object possibly present between it and the lower...

Page 20: ...of the detection area during the fast approaching phase of the tools speed greater than 10 mm s must stop the closing movement of the table The new closing must take place only after that the operator...

Page 21: ...ated by us and then protected by means of DSP LASER This function can be then excluded when the protected machine does not need it for example it is provided with a single pair of tools one upper and...

Page 22: ...he slow speed closing movement Little size bends The shape of the detection area has been designed in the rear part just to limit the interference with the backgauges This does not avoid that the fina...

Page 23: ...ore operating modes at the same time brings to a condition of lock of the equipment until when the failure has been removed The absence of selection of any operating mode causes the equipment operates...

Page 24: ...wnstroke of the crossbar is inhibited at the first pressure of the pedal The Blanking function is moreover subjected to a periodical check in order to avoid the machine could be inadvertently left in...

Page 25: ...The downstroke pedal is released From this moment the blanking function in the front area becomes active If the front area remains obscured presumably by the edge of the box to realize pressing the d...

Page 26: ...occurs Until part or the entire detection area is obscured the release and the immediate new pressure of the downstroke command cause the machine can continue the closing downstroke at decreased spee...

Page 27: ...area and the exclusion of the rear area The press brake closes at high speed up to PCV even if one of more elements put in blanking state or excluded are obscured The stop of the machine because the...

Page 28: ...are identical to those of mode 1 with the only difference that the rear area is excluded The central and front protection areas are active the obscuration of any receiving element of these areas caus...

Page 29: ...t consider the actuation and release strokes of the limitswitch VSA On the front side of the receiver some LEDs are present signalling during the check of the stop space the state of the signals neces...

Page 30: ...Fig 10 5 Test not passed Phase A When the machine is switched on the two OSSD relays are in OFF state and do not allow the closing of the machine at high speed the mobile table must be moved to PMSM...

Page 31: ...ing at high speed is commanded and then the FAST DOWNSTROKE signal which it depends from is present on the relevant input The closing of the press until the interception of the limitswitch VSA must ta...

Page 32: ...nts the device sets the OSSD outputs to OFF state When the object is not detected any more the outputs return to ON state If the detection of the object takes place with machine in closing then with t...

Page 33: ...ty of the operator is ensured by the reduced speed combined with a dead man command It is then the operator who aware of the residual risks commands the closing movement of the press In case of manual...

Page 34: ...ar mechanics The system is provided with operating modes which allow the inhibition of the front and or rear detection area even during the fast approach speed In this way the protection of the front...

Page 35: ...in training the operators working on the press brakes o Address only qualified operators who have been trained about the adjustment and the use of these machines to this task o Define if necessary som...

Page 36: ...ints out that the power supply is connected to the transmitter The state of LASER EMISSION absent points out that the power supply device is not energized RECEIVER Fig 12 2 Front side of the receiver...

Page 37: ...omes back again to ON state because the cam has gone beyond it causing the failure of the check 12 1 2 Display of the alignment with four LEDs In the check phase the PMSM input is set to ON state with...

Page 38: ...de 1 is selected the REAR BLUE LED the LOWER CENTRAL BLUE LED and the FRONT BLUE LED are on o When the operating mode 2 is selected the LOWER CENTRAL BLUE is on o When the operating mode 3 is selected...

Page 39: ...the laser beam with optical instruments Fig 12 3 Rear identification plate of TX The following data are reported on the side plate of TX Part of the device DSP LASER TX Serial number and manufacturing...

Page 40: ...c IN 0 Vdc P and GROUND Connections to TX GROUND OUT 0Vdc P OUT 24V P SINC Connections to RX GROUND OUT 0Vdc P OUT 24V P SINC OSSD1 24Vdc OSSD2 24Vdc Relay outputs NA OSSD contacts OSSD1 CR OSSD1 CR O...

Page 41: ...art of the device DSP LASER AL Indication of the type of AL that is its configuration Power supply voltage IN 230 Vac or IN 24 Vac and GROUND Connections to TX GROUND OUT 0Vdc P OUT 24V P SINC Connect...

Page 42: ...equipped for the disposal in the respect of the nature and of the laws Check by sight the presence and the integrity of all the components constituting the device ensuring there are not evident damag...

Page 43: ...The detection area must be placed under the upper tool The manufacturer of the press has the task to correctly install the device while the user is responsible to correctly adjust the device accordin...

Page 44: ...the user of the press only in longitudinal direction along the vertical axis For this purpose the manufacturer of the press must realize two plates to be firmly fixed to the table provided with exten...

Page 45: ...iring the unassembly of the devices and or supports e g possibility to extract the tools with the TX completely lifted The locking of the support once adjusted is safe against the accidental loosening...

Page 46: ...l the length of the upper tool Fig 13 5 Adjustment longitudinal with respect to the bending line The designing of the mobile support of the device must be such not to create entrapment points during t...

Page 47: ...y turn on of the following LEDs RED LED VSA LED Blinking of the following LEDs FRONT BLUE LED HIGH CENTRAL BLUE LED REAR BLUE LED and LOW CENTRAL BLUE LED Caution The control of the procedures of star...

Page 48: ...DSP LASER 44 DSPLSR01EN CONNECTION SCHEMES Fig 13 6 scheme of connection with AL1B...

Page 49: ...DSP LASER DSPLSR01EN 45 Fig 13 7 scheme of connection with AL2B...

Page 50: ...DSP LASER 46 DSPLSR01EN Fig 13 8 scheme of connection with ALdc...

Page 51: ...DSP LASER DSPLSR01EN 47 Fig 13 9 scheme of connection without AL module...

Page 52: ...connect to OUT 0Vdc of the ALdc module If the AL module is not used connect directly to the negative terminal of the power source which has to supply a 24Vdc voltage The power supply signal OUT 0Vdc...

Page 53: ...nstead only the inputs High speed in press brake closing IN AV and Press brake opening IN AP shall be connected because used by the Blanking Type B while the signals High speed in press brake closing...

Page 54: ...r IN 24Vac signals and the GROUND signal must be connected to AL2 SIGNALS Besides the clamps of the signals connected to TX and RX the two power supply IN 230Vac or IN 24Vac signals and the GROUND sig...

Page 55: ...he press during the dangerous closing movement or in other cases before the next request of intervention of the safety function or at the latest at the end of the operating cycle Moreover the start of...

Page 56: ...ate OSSD outputs using a tester as voltmeter in cc e measuring between 0Vcc and OSSD1 and then between 0Vcc and OSSD2 When the system configuration is with ALdc or AL2B the check is possible verifying...

Page 57: ...ower edge of the laser emission coinciding with the line pointing out the highest value 19mm of the STOP SPACE Fig 14 2 Cross view Fig 14 3 Front view Then adjust TX along the surface transversal to t...

Page 58: ...to the bending line pointed out by the lower edge of the punch with the purpose to obtain at point B the beam position conditions as in point A of Fig 14 3 without changing the vertical and horizonta...

Page 59: ...stallation of the supports and the mechanical adjustment of the device supposes that at every tool change the tool height is simply adjusted depending on the height of the punch without any interventi...

Page 60: ...high speed closing keeping the speed constant until the interception of the limit switch VSA as otherwise the device considers the check not passed and sets the OSSD outputs to state OFF The check of...

Page 61: ...e and the edges of the detection area must be contained within the two surfaces defined by R and F If the above conditions would not subsist and a mechanical adjusting intervention was necessary call...

Page 62: ...ible to the die For the same reasons the minimum thickness possible of the sheet must be set on the Numeric Control or in alternative a sheet with thickness equal to that set must be put between the d...

Page 63: ...e device 17 Troubleshooting guide LED PMSM blinks RED LED steady on Check of the stop space failed Error of limitswitch PMSM LED AV blinks RED LED steady on Check of the stop space failed Error due to...

Page 64: ...om the male one welded on TX those with 12 and 3 poles from the corresponding male ones welded on RX TX and RX are separated from the machine Fig 18 1 Removal of the rear cover If present disconnect e...

Page 65: ...le 650 nm Beam divergence 0 2 mrad Laser classification class 1 M Dimensions of laser beam at TX output Complex geometrical figure contained in a rectangle area 48mm X 24 mm Maximum operating distance...

Page 66: ...disposizioni delle seguenti direttive Direttiva Macchine 2006 42 CE Direttiva Compatibilit Elettromagnetica 2014 30 UE Persona giuridica stabilita nella Comunit Europea autorizzata a costituire il fa...

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