USER'S MANUAL
Contents
1. MINGROZMONE DENGOMON ol AI III PLN Rev 1 00 USER S MANUAL PHDO2 LOGOMAT srl 40067 Pianoro BO Italia Via V Bellini 6 Loc Rastignano Tel 051 626 00 70 Telefax 051 626 01 11 E mail logomat logomat it http www logomat it 2 Rev 1 00 This document is the property of LOGOMAT s r l Total or partial reproduction of this document is prohibited without the express authorization of LOGOMAT s r l USER S MANUAL PHDO2 Contents 1 1 1 2 2 1 2 2 2 3 3 3 1 3 2 4 4 1 4 2 5 5 1 5 2 6 6 1 INT OA lU aia a a a cucu AEE AE EE RE L EEE RA EEEE AENEAN ESEE E i FUNCTION OF MIG GOVIC C A E a E AE E E E Ba A A E N SEE S E E T 4 Composition ofthe CE VIC tii A intrarea MINNA Oo a i ih a a a 5 ICSE TEC CIV A 6 Tec hnical spec fications ATT A ET Technical specifi atons BEC UNC a l i iii ai ab a ea a aaas aaa dadi a adaa aaia iaaa 7 Technical specifications Mechanic al ie eee IIa MA MAMMA AKAERAMAMAAAENENAENE 7 Device OperatiO tika iii aa Device operator UNUM AON i e kk AAA 9 Device operator REC GIVER kkkiii a 10 Installing and mounting the o fa i e EE 11 Terminal board electrical connections ILLUMINATOR ssscssssscsssseesnsssecnnsssesnsseeensseesnsssesnnssennesssessesones 12 Terminal board electrical connections REC EIVER ccsssscsssssecsssscesnsssesnssseensseeensssennssssensessensesseneesseneesenes 12 Checking operation and calibr2. actuators we recommend you to lay cablesin channels separate from other wiring of electro mechanical components fitted on the machine and not to use the device power supply for other induction devicesor switching controlled devices NOTES In the event of drawn films the format manufacturer should foresee a support guide which is as much adherent as possible to the film lower part 15 fs ILM ALU IX 11 Rev 1 00 This document is the property of LOGOMAT s r l Total or partial reproduction of this document is prohibited without the express authorization of LOGOMAT s r l 5 1 Terminal board electrical connections ILLUMINATOR Mi 24V ac h oround power supply n o RELAY alarm LIGHT de energized 5 2 Terminal board electrical connections REC EVER 1 24V ac h ground Power supply l nic RELAY OUT micro hole de energized This document is the property of LOGOMAT s r l USER S MANUAL PHDO2 Fig 8 T Fig 9 12 Rev 1 00 Total or partial reproduction of this document is prohibited without the express authorization of LOGOMAT s r l USER S MANUAL PHDO2 6 Checking operation and calibration with calibrated mic ro holes The operation ischecked bv meansof square plates 50 x 50 mm per side in the centre of which a micro hole with a calibrated diameter is present For convenience use a drawn film section of about 50 cm of the format to inspect and insert it on the suppor
3. A Outout RELAY 10 VA max 100V 400 mA utpu i STA TIC with optoisolator 24 V 20 mA max 3 2 Technical specificatons Mechanical TDTALENg IE SET HEGHT IHE WEIGHT 7 Rev 1 00 This document is the property of LOGOMAT s r l Total or partial reproduction of this document is prohibited without the express authorization of LOGOMAT s r l USER S MANUAL PHDO2 FILM width 230 mm 260 mm 330 mm optional band WEIG HT 1 4 kg 1 5 kg 1 7 kg 4 PR gt LRs bl LRt gt f Fig 4 3 Rev 1 00 This document is the property of LOGOMAT s r l Total or partial reproduction of this document is prohibited without the express authorization of LOGOMAT s r l USER S MANUAL PHDO2 4 Device operation The device operation isdescribed with individual referencesto the illuminator and the receiver 4 1 Device operaton Illuminator The film to check Fig 5 Ref 1 slides supported by the machine surface and shielded by the guides between illuminator and receiver The pulsating infrared light beam emitted by the LED arav of the illuminator Fig 5 Ref 2 which covers the whole film width isconveyed by means of a Plexiglas linear lens Fig 5 Ref 3 onto the surface of the aluminium film that must be checked When the GREEN LED LdV is ON it sgnals that the device is supplied with power and the oscillator inside it operates correctly if on the contrary the RED LED L
4. AR which isconnected to an automatic check circuit lights ON it signals the presence of an operating fault When the red LED lights ON the intemal relay for light alarm intervenes Its contacts reach the terminal board If the red LED lights ON you need to immediately check the device operation especially the power supply voltage with micro holes with calibrated diameter by performing different tests in a transversal direction to the film advancement and consult the supplier for intervention if necessary When the illuminator operates correctiv i e LdV is ON and LdR is OFF the alam relay is energized and a line of infrared light is generated on the whole width of the film to check T Fig 5 9 Rev 1 00 This document is the property of LOGOMAT s r l Total or partial reproduction of this document is prohibited without the express authorization of LOGOMAT s r l USER S MANUAL PHDO2 4 2 Device operation Receiver Fora correctoperation the receiver should be fitted under the film as close as possible to it in correspondence with the illuminator aligning them as good as possible Fig 6 T Fig 6 When a micro hole if any Fig 6 Ref 1 ison the reading axis above the receiver sensitive line a fraction of the light emitted by the illuminator reachesan area of the line The involved photosensors Fig 6 Ref 2 generate a Signal whose intensity is proportional to the quantity of received light i
5. ER S MANUAL PHDO2 Both the illuminator and the receiver are identified by meansof a code which is defined as follows 02 Photo Detector Release Device Type T illuminator FR jReceiver Sequence number 4 digits Dimension f Fig 2 N B for spare parts service orreplacementof the device always indicate the code mentioned above 2 1 Infrared illuminator This Component usually fitted on the film sliding surface consists of the following parts e Photodiode linear arrays with infrared emission on the whole width of the film to inspect Fig 3 Ref 1 e Focalisation optical lens Fig 3 Ref 2 e 2 luminous LEDs one GREEN Fig 3 Ref 3 and one RED Fig 3 Ref 4 positioned on the side wall of the illuminator that identify the operating condition NORMAL or FAULTY e PWM circuit for piloting the diodes Fig 3 Ref 5 e Alam circuit forshort circuited diode orfordiode opened on the anay Fig 3 Ref 6 e Powersupply terminal board Fig 3 Ref 7 e Alam output optoisolatorto the PLC in the event of UGHT circuit faults Furthermore two side supporting blocks are foreseen that keep the illuminator at an optimal height 15 mm from the film in orderto get maximum light on the reading spot The illuminator hasan independent power supply O 0 0 O Oe T Fig 3 D Rev 1 00 This document is the property of LOGOMAT s r l Total or partial reproduction of this document is prohibited with
6. ation with calibrated mic ro holes ssenznzunnnaznnnznnzes LS Detection parameters with Calibrated mic ro NOlEeS Lee ini iIIi a KARMA AKARAMAKERANAEEA 13 3 Rev 1 00 This document is the property of LOGOMAT s r l Total or partial reproduction of this document is prohibited without the express authorization of LOGOMAT s r l USER S MANUAL PHDO2 1 Introduction 1 1 Function of the device This device isused on blister forming machines that use aluminium film to form the blisters Its function is that of checking the integnty of the aluminium film by detecting the presence of micro holes tears or splits already present in the film or produced during the work process deep drawing The detection of a film defect if any i e missing opacity causes the activation of an electric signal relay contact that can be used to cause the reject of the involved area The dimensions of the hole causing the device to intervene intervention threshold can be set by means of a multi tum knob trimmer which is located on the receiver and that can be venfied by means of suitable calibrated mic ro holes 2 Composition of the device The device consists of two completely separate parts e iluminator Fig 1 Ref 1 e receiver Fig 1 Ref 2 4 Rev 1 00 This document is the property of LOGOMAT s r l Total or partial reproduction of this document is prohibited without the express authorization of LOGOMAT s r l US
7. eter PI the intervention thresholds for the detection on calibrated micro holes 0 035 0 050 0 100 and 0 200 mm are indicated on the following graph 999909899899 Fig 10 N B the STANDARD calibration isthe one that enables you to detect micro holes with a 100 um diameter 13 Rev 1 00 This document is the property of LOGOMAT s r l Total or partial reproduction of this document is prohibited without the express authorization of LOGOMAT s r l USER S MANUAL PHDO2 14 Rev 1 00 This document is the property of LOGOMAT s r l Total or partial reproduction of this document is prohibited without the express authorization of LOGOMAT s r l
8. f the amplitude of the light signal exceeds the level set on the potentiometer P1 Fig 6 Ref 3 the circuit activates the signal micro hole presence When the GREEN LED lights ON it signals that the device is supplied with power and ready to operate The signal is shown on the RED LED which is positioned on the receiver side When the LED lights ON the output is controlled by disactivating the relay or OPTO transistor Fig 6 Ref 4 open static output connected to the terminal board When the receiver is completely covered i e no micro hole is present on the film in the reading area the output relay is energized the STATIC output transstor is closed conduction between collectorand emitter The output changes its status and remains disactivated as long as the light due to the presence of a micro hole involves the photosensors The duration of this signal could be very short because it iscorelated with the advancement speed of the film and with the hole dimensions In order to make the signal duration compatible with extemal devices a circuit is foreseen which extends sucha penod Fig 6 Ref 5 by a quantity programmable by meansof a dip switch located inside the receiver If the hole is standing still above the receiver the output signal is permanent 10 Rev 1 00 This document is the property of LOGOMAT s r l Total or partial reproduction of this document is prohibited without the express authoriza
9. out the express authorization of LOGOMAT s r l USER S MANUAL PHDO2 2 2 Llightreceiver The receiver is usually fitted below the film sliding surface and consists of the following parts e Receiving photodiode anays for infrared positioned along the reading axis and as long asthe width of the film to check e 2 luminous LEDs one GREEN and one RED positioned on the side wall of the receiver to identify the operating condition nomal or micro hole present e Instrumentation amplifier circ uit e Comparator circuit to detect micro holes e Alarm output optoisolator to the PLC e 10 tum potentiometerto adjust the intervention threshold In the event of drawn films the format manufacturer should foresee a support guide which isas much adherent as possible to the film lower part 2 3 Gauge On requesta kit can be supplied which consists of three gauges with calibrated holes of 1 0 035 mm 2 0 050 mm 3 0 100 mm both in the STANDARD version 10 and in the version with metrological CERTIFICATE 2 They can be useful to penodically check the calibration of the receiver intervention threshold see Chpt 6 6 Rev 1 00 This document is the property of LOGOMAT s r l Total or partial reproduction of this document is prohibited without the express authorization of LOGOMAT s r l USER S MANUAL PHDO2 3 Technical specifications 3 1 Technical specifications Electrical 10 VA max Vmax 100V Imax 400 m
10. t between the guides simulating thus the real work condition Cut a square opening of about one centimetre per side on the film and locate the middle area of the calibrated plate on it by fixing it on all sides with black adhesive tape to prevent light from passing through Move the film back and forth by hand letting the micro hole in the middle of the plate pass on the device reading line simultaneously adjust the potentiometer P1 until you find the minimum detection point signal intervention threshold Perform the tests several times detecting the value indicated on the graduated scale of the potentiometer on different positions by moving it 30 mm ata time along the reading axis until covering the whole film width By moving the same micro hole along the axis you can detect P1 values that slightly differ due to a normal non uniformity of the light line generated by the illuminator in every case the detected values must not be lower than the values indicated in the manual Keeping the micro hole on the reading spot and tuming the potentiometer a small HYSTERESIS field of approx 0 3 tums of the value scale from O to 10 is noted between the output activation and disactivation point this to avoid operation uncertainty of the circuit The value mentioned above 0 3 tums iscalculated to optimize stability of the output signal 6 1 Detection parametess with calibrated mic ro holes With reference to the graduated scale of the potentiom
11. tion of LOGOMAT s r l USER S MANUAL PHDO2 5 Installing and mounting the device The illuminator and the receiver must be fitted perpendicular to the film sliding direction and exactiv on the same axis The optical axis for both the illuminator and the receiver coincides with the part mechanical axis The typical installation of the device is shown in Fig 7 e the illuminator is fitted on the film upperside ata distance of 15 mm Fig 7 Ref 1 by means of suitable side supports supplied with it e the receiver must be kept at a distance of 20 mm Fig 7 Ref 2 from the film lower surface by means of a plate ordirectly by the sliding surface with a slot which isaslong asthe width to inspect and aswide asthe photosensor line The device must be fitted in such a way to guarantee a perfect adherence between receiver and film sliding surface It is also necessary to shield the side openings very well dunng the film sliding in order to prevent any sun light or artificial environment light from passing and altering the micro hole detection ability All these mounting operations are necessary to make the receiver only sensitive to the light pulses emitted by the illuminator For the electncal connections of the device remove the covers and use the relevant teminal boards inside the illuminatorand the receiver let the cablescome out through the relevant cable clamps PG7 N B to protect against any disurbance caused by extemal
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