LMC-1 User`s Manual
Contents
1. for axis B Under the Single Ended Mode use the sgnals 5V Pin 26 APUL Pin 30 ADIR Pin 31 for axis A and the signals 5V Pin 26 BPUL Pin 28 BDIR Pin 29 for axis B Figure 4 and 5 show the connection for the Differential Mode and the Single Ended Mode respectively Step Driver Figure 4 Differential Mode connection for axis A Pin 26 VCC Pin30 APUL Pin31 ADIR Figure 5 Single Ended Mode connection for axis A General Digit Input output signals and START signal The control board offers five input signals One of them is the Start signal which can be provided by the Footplate or other exterior modules the other four are general input signals that can be connect to auxiliary devices The control board offers two output signals We can custom the output signals in YmMarker software EX5V and EXGND An auxiliary 5V 1A power supply is needed when using the output signals If the output signals are not used this power supply can be removed DB37 Pin Assignments 1 GND Ground Return path for Pin 2 3 4 5 7 8 20 22 24 25 26 It is the ground of mainboard of the computer fe eno II A A e voc 5v Output t s rom the computer power supply ONO m o BPUL Negative Pulse SignalofAvisB J m 10 BDIR Negative Direction Signal of Axis s Mmm m APL Negative Pulse Signal ol Axis e 2 ADIR Negative Direction SonarotaisA m Y 14 EXG2. LMC 1 User s Manual Table of Contents A 255 05 due NN 3 A NN 3 Description Of Signals sis toos rines diari danes a e nA a e aoa P er ERO AS aS 3 Scanhead Control Signals viciado 3 TEASER uan iia is a A a A ale 4 PWM ANAPORTI ANAPORT 23 coer ie Sei ii retina tiza da 4 FEK est pulse killer Ta Ae 4 Extended Axis s Control Sal cintia ii eii an 6 General Digit Input output signals and START signal oooonooncncncnncnnnnnnninoccnnnnnononnninacinnns 7 EXD Vi andtBXGND iis cecevesedisa ot sevens tui tadsd riada aaeeea 7 DB37 PIN ASSignMents viii A AA AAA AAA 8 AA Oni srr iesen EE EAA EA ETAETA ATER seeoutinsstadess senate 9 Gener l Digital Inputs si A A E EE AA A T ds 9 General Digital Output sernesta Ee a E EE a deis aet 10 Change the maximum voltage of ANAPORT1 and ANAPORT 2 oes 10 Typical Conecta ais 11 Introduction LMC 1 Marking Control Board is especially developed for scanhead and laser control in real time with a PCI bus interface It is used with YmMarker software to control laser marking IO Ports e six analog output ports four of them are used for scanhead e 2 axes control for step servo motor e LASER signal TTL e FPK First Pulse Kill signal TTL PWM signal TTL e START signal OPTOISOLATED e 4bit General Digit Input signals OPTOISOLATED e 2bit of General Digit Output signals A External 5V Power Supply is required Description of signals Scanhead Control Signals Two
3. ND Ground of auxiliary power supply For Pin 13 32 33 s mo General dgtalinput O i eo 16 saen 17 SOTGNO Common retum path Input moan T oOo o y 18 RESERVE ut 19 Input signal which will trigger marking 20 Analog Power Output Port 0V 9 5V m fenm fsem m AS A 22 PWM Pulse Width Modulation Both frequency and duty can be GND TTL 2 Mm rra IE as GND sept 24 XVOL Reverse output of XVOL Used with XVOL for GND Analog Eee differential connection 25 YVOL Reverse output of YVOL Used with YVOL for GND Analog epee differential connection ee ea ze woo 50 Output tfs rom the computer power supiy a feo ET AS EA 26 BPUL Postve Pulse Sgnaror Aa CCS 20 eDit Positive Decion Sonoras m 30 APUL Poste Pulse Sonal ofA O e a1 ADIR Positive Direcion Signal 33 Exsv 5v Input The postive pole of aula power supply exGNO a sz commonsa o ooo ras Ni omedd i oo S ras mo Genera agian Tse rar seno Retum pan tor START sa OO ooo Electrical Description The following will show the equivalent circuit of general input output signals General Digital Input All general digital input are optoisolated The recommended forward current of diode is 10mA 15mA A 330 ohm resistor is used to restrict the forward current If the input voltage is higher than 5 volt then a external current limited resistor is needed INO S01GND cr nom Figure 6 Equivale
4. analog output are used for scanhead The inverse output is also available Under the case of the single ended mode the default range of output voltage is 5V 5V Users can customize the output voltage range according the scanhead used when ordering the product The maximum of output voltage range is 10V 10V for single ended mode 20V 20V for differential mode YVOL YVOL GND ms XVOL v8L GND Single Ended Output Differential Output Output range 5 volts Output range 10 volts Figure 1 Analog signals to scanhead Default output range 5 volts Caution The output voltage range under differential mode is double times of that under single ended mode Caution Please confirm that the galvo driver support differential input before using differential mode Otherwise the control board may be damaged LASER TTL signal High level is effective for lasing PWM ANAPORT1 ANAPORT2 LMC 1 control board offers one PWM signal and two analog signals to adjust the laser power Users can adopt either the PWM signal or the analog signals according to the equipment s configuration The analog signal ANAPORT2 is used to adjust the modulated frequency of the Acousto Otipc Q switch power supply The voltage range is OV to 5V DB37 Pin2 The Frequency parameter in YmMarker software configures the output voltage of this signal Another analog signal ANAPORT1 is used to adjust the output currents of the lam
5. nt circuit for general input INO amp IN1 S23GND Figure 7 Equivalent circuit for general input IN2 amp IN3 Figure 8 Equivalent circuit for START General Digital Output An auxiliary power supply of 5V 1A must be present to use the general digit output The output signal is TTL output The maximum output current is 10mA EX5V OUTO OUT1 EXGND LMC 1 Control Board Figure 9 Equivalent circuit for output signal Change the maximum voltage of ANAPORT1 and ANAPORT2 ANAPORT1 The default maximum volt is 9 5V and it can be changed through replacing R254 and R255 together Resistance Value range from 8K 20K the corresponding voltage is 4V 10V ANAPORT 2 The default maximum volt is 5V and it can be changed through replacing R261 and R262 together Resistance Value range from 8K 20K the corresponding voltage of electricity is 4V 10V Typical Connection In the case that the Acousto Otipc Q switch driver need only LASER signal DB37 Hokstexoro lo TS ae se Galvo Y Driver XYOL i Galvo X Driver LMC 1 Control Board Other Components Figure 10 Connection 1 OooFPogqgg cwooocdo0do0d0d0d 000000 DB37 Galvo X Driver Laser Control LMC 1 Control Board Other Components l Galvo Y Driver l I l l l l Figure 11 Connection 2
6. p pumped power supply The voltage range is from OV to 9 5V DB37 Pin20 The Power parameter in YmMarker software configure the output voltage of this signal The frequency and pulse width of the PWM signal are specified in YmMarker software The PWM signal can be used as either the PWM signal of the RF Excited CO2 Laser tube or the outside modulation signal of the Acousto Otipc Q switch Power Supply FPK first pulse killer The first pulse of a pulse train often has a higher energy than the following pulses The intensity variation should be avoided in most laser marking applications Therefore the first pulse should be suppressed The FPK signal is started together with the LaserOn signal While the FPK signal is active the energy of the pulse should be reduced adequately There are two modes that the signal works See the following figures Time Figure 2 FPK Mode 1 PWM FPK E O Time Figure 3 FPK Mode 2 Extended Axis s Control Signals The control card exports dual direction pulse signals for step servo motor drivers Direction pulse signals export in two ways Differential Mode and Single ended Mode The jumpers JP1 JP4 used to select the mode The table below shows concrete ways of control Mode Prsia 7 Under the Differential Mode use the sgnals APUL Pin 30 APUL Pin 11 ADIR Pin 31 ADIR Pin 12 for axis A and the sgnals BPUL Pin 28 BPUL Pin 9 BDIR Pin 29 BDIR Pin 10
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