User`s Manual Template
Contents
1. e Works directly with popular CNC hardware and software That goes for Geckdrive DeskCNC or Rutex and parallel port control software such as mach2 Linux EMC Turbo CNC CNC Zeus and other Not all have been tested e Spring Latching Terminals You only have to screw on the wires to make all your connections User s Manual Page 2 3 SPECIFICATIONS DIGITAL OUTPUT SPECIFICATIONS Number of outputs 5V power supply voltage Maximum output voltage OV 4mA 0 0 44 V Time passed since a fault in the SCHP signal is detected and the outputs are disabled The recommended pulse width for the inputs and outputs is 2us User s Manual Page 3 4 BOARD DESCRIPTION Selection Jumper PC POWER PULL UP or Terminal INPUT Terminal PULL DOWN osjo i ge ieee eifono ponk ic i Eas a ca anio F s Seat CEEE ae ene C r i REL 2 ee uvTe47 TES s s Terminal X Oe e e lage 5 0 O Folets RELI _ 2 ee a Sf l z Terminal a ps SCHP Operation i Enja pe Mode Jumper TERMINAL pea ON or OFF SUPPLY te l TH pE ie 9 2 Analog Output f Selah oie Tunning UUO ch s OUTPUT eae 2 potentiometer n Ke orate mS i35 Hi Sh a E Oe a Pols ANALOG Conne2. T Torch Auto Off Page 8 4 Go to Config Spindle Pulleys Under Pulley Ratios set the pulley ratios of the machine Current Pulley Min Speed Pulley Number 1 100 Reversed 5 Go to Config Motor Tuning Spindle Set the Velocity and Acceleration to the maximum and use a pulse length of 3 Motor Tuning and Setup SPINDLE MOTOR MOVEMENT PROFILE 02 0 25 Time in re 0 15 Accel Velocity Accelerabon SAVE AXIS SETTINGS Steps per in s or mm s per min in sormm s sec sec GS 1 Sus 0 5 1000 1500 250 0 64754 3 J Cancel Motor Tuning and Setup screenshot For configuring Mach with the Mode INTERNATIONAL INT go to http cnc4pc com Tech Docs STEP 20AND 20DIRECTION 20SPINDLE 20SPEED 20C ONFIGURATION 20ON 20INTERNATIONAL 20MODE pdf For Replacing Potentiometer go to http cnc4pc com Tech Docs Replacing 20a 20Potentiometer pcdf 5 3 Electromechanical relays Pins 1 and 16 Mechanical relays are very flexible because they can be used for AC or DC and come with NO and NC Normally Open and Normally Closed positions The relay specification are showed in the below table User s Manual Page 9 ELECTROMECHANICAL RELAYS SPECIFICACTIONS Maximum Curent a0 _ 10A 125VA Maximum Current AC 10A 125VAC Maximum Current DC 10A 28VDC Electromechanical Relays Specifications 5 4 Using the COM configuration jumper This is for selecting the value to get at the COM termin
3. configures it as is shown in the Fig 8 Next press the apply button Engine Configuration Ports amp Pins Port Setup and Axis Selection Motor Outputs Input Sign Output Sonas 3 oder MPG s Spindle Setup Tum Options Pin Number Active Low Output 2 17 Output 3 0 Output 4 0 Output 5 0 Output eT charge Pump Charge FUME z Current Hi Low Output 8 Output 9 kaika iia iiaii iiaii nika iko iia iia Output 7 w 0 Pins 2 9 1 14 16 and 17 are output pins No other pin numbers should be used Aceptar Aplicar Charge Pump configuration User s Manual Page 5 Selecting the SCHP operation mode The Safety Charge Pump can be activated or deactivated depending on the jumper position 2 3 SCHP ON of o of we LY CHARGE PUMP DIN 17 HARGE N 7 C PIN 4 Note When the Safety Charge Pump is activated the EN terminal is active and a valid SCHP signal is present pin 17 will go high This high signal can be used to enable other external devices such as enabling other Breakout Boards or relays that would enable servos VFDs contactors etc 5 2 Variable Speed Control Pin 14 This function lets you control your spindle with PWM and direction signals as if it was an axis motor It converts the PWM signal into an analog 0 10VDC A Variable Frequency Drive or Inverter works by modifying the frequenc
4. 12 7 1 Connecting Switches or push button sssssansnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnnm nnna 13 7 2 Connecting NPN sensors assssssssnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn mnnn nnmnnn 13 7 3 Connecting PNP Sensis isrociiiediussnudiiu iua n ai Peden ee tttad ine Pedeeeedabastmeteewtans 16 Te Oer CONNEC HON parsan a aa E 17 86 DIMENSIONS sais a a 18 User s Manual Page i 1 OVERVIEW This card has been designed to provide a flexible interface and functions to your computer projects by using the parallel port control software This board provides a faster way to connect devices and reduce the possibility of wiring errors 2 FEATURES e IEEE 1284 Standard compatible Includes the circuitry recommended by the IEEE 1284 Level 1 standards for bidirectional parallel communications between personal computers and peripherals e PULL UP or PULL DOWN selection for inputs Includes jumpers to select the best input configuration for your application e Fully optoisolator The card isolates connections to protect your computer from short circuit An opto isolator is an integrated circuit that transmits the signal through an encapsulated LED and phototransistor When the signal is on the LED lights up the phototransistor captures it and relays the signal The signals are transmitted through light and not through physical connections In this way a power surge has no way of reaching your computer That is
5. C N C 4P C USER S Integration Solutions for CNC Projects MANUAL C11 MULTIFUNTCION CNC BOARD Rev 9 9 FEBRUARY 2015 User s Manual Page i TABLE OF CONTENTS Page 1 QVCIWICW iinei R scutes wessedaverhes ee wesiedenceseveeeees 1 2 TCU S aici assis aa a aia eee ae ase ede eee eee 1 3 SDCCIICAN ONS ispi aTe aSa 3 4 BOARD DESCRIPTION vcri a ee es 4 Ds SPECII FUNC HON Sosuri iendea ee EO EEEO ENERO AO AE 5 5 1 Safety Charge Pump SCHP PIN T sesinin aanak aaa aaa aaka 5 5 2 Variable Speed Control Pin 14 eecceseeeeeeeeneeeneeeeneecenesonseceneecesesensesenesensesensesones 6 5 3 Electromechanical relays PINS 1 ANC 16 ccceeeceeeseeceeeseneeeeeeeseeesensenseoneseeeoneees 9 5 4 Using the COM configuration jUMper ccccsccceseeseeseeceeeeceeeeeenseeeeneesensesoeneesenees 10 55 External Enable sR IM sander dessteasiusbnscaduaateasiuebnicadwaatvas sue baiaadwas teas sue bniaagwaateas sue bniondwendvaaaweidies 10 6 Functional Block Diagrams sencxiessiiiseci ese eee ee 11 6 1 Outputs 2 9 simplified functional block GiaQrai ccceseseeeeeeeeeeeeeeeeeeeeeneeeeneenenees 11 6 2 Outputs 1 14 16 and 17 simplified functional block diagram cssseeeeee 11 6 3 Input simplified functional block GiaQraim cccecseseseeeeseeeneeeeeeeenseeeseeeeseseneeeeeesens 12 Ts Wiring CAQU ANN sass shstis eis sases Satis barsect Sacre aati sastnent Nase aatinaa sau Node aet a
6. Easy installation of an On Off switch you can control the card externally An On Off or a Safety Charge Pump can easily be installed to enable or disable the card CNC machines could be dangerous and remember safety comes first This card is provided with an extra pin EN that allows you to control the card externally by enabling or disabling outputs The card must have 5vdc supplied to the EN terminal to enable outputs e Status LEDs on all inputs and output connections No more guessing You can SEE all your signals Save valuable time and brainpower for CNC ing To avoid remaining current to the main load driver or other device all the indicator LEDs are driven by independent buffers of the ones that drive de output e Built in Variable Speed Control lt has an optoisolated analog 0 10VDC output that will convert a PWM signal into an analog signal that can be used to command a commercial VFD This analog can be adjusted using on board potentiometer so this board can be adjusted to other voltages e 3 Built in Electromechanical Relays with NO and NC positions e nput and output pins with close by ground connections Forget about grounding problems Easily connect your pin by using your close by ground connection No need to be an electronics expert to ground all your stuff The terminals next to pins 2 9 can be set to have 5VDC or GND according to your needs There is a jumper that allows you to select 5VDC or GND for the COM pins
7. ally closed 12 or 24V DC External Power Supply R External resistor R External resistor required required aapa 5V U15 OU SV U13 ash 5VU 11 US5VU 10 Board Ground Wiring diagram to connect PNP proximity sensors Connecting PNP proximity sensor with the C11GS R Value 12V R Value 24V Aprox 10KQ Aprox 25KO User s Manual Page 16 7 4 Other connection Other connections can be implemented by setting the inputs to pull up resistor RRRERRRER INPUT Wiring diagram to do an Auto Tool Zero Board Ground http cnc4pc com Tech Docs E STOP N EN Wiring pdf http cnc4pc com Tech Docs E STOP N SCHP pdf User s Manual Page 17 8 DIMENSIONS 205 ocjo OEDS ng ot nA EF ONO ZT NA FF MA OT OK 442 _ BIE 30 TERT iy li T j I she ieh IUUQ gogg Dote os t JE m KES 2 B 116 33 a hie i2 i aa cong 4 4 oo SO CON 2 8 cot 8 Meena mmo C44MULTIFUNCTION CNC BOARD rev aa hite wancne4pescom 131 All dimensions are in Millimeters Fixing holes 3 8mm Disclaimer OUTPUT PORT TAT AAAAA PCL ie mee a 2 feJ etie eiel ant e r E i x z ATD Ea iml i tal 2 2 sco 18 61 FE 22 29 k4 Use caution CNC machines can be dangerous machines Neither DUNCAN USA LLC nor Arturo Duncan are liab
8. als found next to step and direction terminals Pins 2 9 Some drivers expect a ground and others expect 5vdc There is a jumper that allows you to select 5VDC or GND for the COM pins 1 2 COM 5V 2 3 COM GND Oo Jumper 1 2 COM 5V0CI Jumper 2 3 Jumper 1 2 COM 5VOlIg Jumper 2 3 COM G6ND 5 5 External Enable Pin The card must be provided with a 5VDC signal to enable operation This feature has been added to externally control the status of the outputs An external switch or a Safety Charge Pump can be added to provide the enabling signal When the enable signal is not present output signals sent high impedance state If this function is not required an jumper can be placed between 5vdc and the EN terminal It has an internal 4 7kOhm pull down resistor AN warwine This card must have the power supplied while it is connected to the PC If power is removed to the card while it is connected to the PC noise can be introduced to the output lines This can create a dangerous situation as relays or other devices that might be connected to this card could get activated User s Manual Page 10 6 FUNCTIONAL BLOCK DIAGRAMS 6 1 n 2 9 ee functional block diagram PC Pin iL _ S92 z l IEEE 1284 Internal ee Buller Optocoupler RCLowPass Schmitt I it Filter Trigger enews Buffer PC GND I I Output connector I i High output
9. ctor 8 y gt Bloat DB25 Female Se _oufur pant a Eo OUTPUT External POWER 1 PUTS C 14 MUL TIFUNC TION CNC NC BO RD ev on 8 9 kany UUW CMC4pc SUPPLY ENG L j Connector K OUTPUT alse of Output Requirements It requires a 5VDC 20mA power supply to operate A WARNING To keep the output signals optoisolated these must not have common ground or connections to current with other circuits you are using You will require a voltmeter to fine tune your system User s Manual Page 4 5 SPECIAL FUNCTIONS 5 1 Safety Charge Pump SCHP Pin 17 This board takes advantage of Mach ability to send a specific frequency through one of the pins of the parallel port when the program is in control of the system CNC machinery can be very dangerous and you could have a risk of the machine doing something different that what you intend the machine to do if the program loses control of your system Mach be can be programmed in a way so when it is in control it delivers a 12 5 KHz signal through one of the pins This card lets you use this signal to work as an On Off switch for your system enabling a powerful safety system for your equipment If you ever had windows crash on you then this card is for you The port can also do weird things while the system is coming up or down For Configuring the Charge Pump in Mach X Use the dialog Config Ports and pins Output Signals Enable the Charge Pump output and
10. current E uffer____ a ins External GND Simplified functional block diagram for the outputs 2 9 Parallel Port coupling is done following IEEE 1284 standard recommendation An RC Low Pass filter followed by a Schmitt Trigger gate is used to help reduce the effect of the noise from drivers or other devices LEDs are driven by a different buffer to avoid residual currents affecting the signal 6 2 Outputs 1 14 16 and 17 simplified functional block diagram PC Pin l EEE 1284 Internal ee Buer Optocoupler RCLowPass Schmitt 1 l Trigger ss inhi 2g el i ite Filter I Buffer Output connector High output current a veel Buffer __ ae External GND Simplified functional block diagram for the outputs 1 14 16 and 17 Note Internal Enable External Enable Pin AND SCHP OR Bypassed SCHP The Internal Enable is the result of an AND Operation between the External Enable Pin and the SCHP operation mode selected by the user Note The output will be deactivated if the board is not connected to the PC parallel port User s Manual Page 11 6 3 Input simplified functional block diagram Pull up or Pull_down Selection Jumper I l I enp L bobl A sv l 4 7 f I Connector i I Optocoupler RC Low Pass Schmitt 1 Filter Trigger Buffer PC input ty 39 0 i oe I Buffer T al L PC GND External GND Simplified functional block diagram for th
11. e inputs Pins 10 11 12 13 and 15 can be set to pull down or pull up by selecting the jumper in the appropriate position The jumper changes the way the 4 7Kohm built resistor works The inputs can be set to pull up or pull down 1 2 PULL UP 2 3 PULL DOWN NOILSANSIJNOJ 1NdNI HOOR 7 WIRING DIAGRAMS While this board supports only TTL 5VDC signals different kind of sensors switches using different voltages can be connected using the diagrams that follow Note The below wiring diagrams are an example any input can be used for the connections Note The bellow wiring diagrams require setting the inputs to use pull down resistor User s Manual Page 12 7 1 Connecting Switches or push button Connecting N Connecting N Connecting the NO Switches NC Switches E STOP itching push button N r I N 1 I I NC aoee Wiring diagram to connect switches 7 2 Connecting NPN sensors NPN Open collector Sensor Normally open NPN Open collector Sensor Normally closed 12 or 24V DC External Power Supply Board Ground Wiring diagram to connect NPN open collector proximity sensors User s Manual Page 13 J C11 Input 12 or 24V DC External Power Supply Wiring diagram to connect in parallel NPN open collector proximity sensors Connecting NPN open collector proximity sensor with the C11S R1 Value 12V R1 Va
12. le for any accidents resulting from the improper use of these devices This product is not a fail safe device and it should not be used in life support systems or in other devices where its failure or possible erratic operation could cause property damage bodily injury or loss of life User s Manual Page 18
13. lue 24V Aprox 10KO Aprox 25KO NPN Sensor Normally closed NPN Sensor Normally open 12 or 24V DC External Power Supply External resistor External resistor required required apaza INPUT Board Ground Wiring diagram to connect NPN proximity sensors with internal pull up resistor User s Manual Page 14 some NPN proximity sensor has an internal a pull up resistor R1 It is necessary to know its value in order to connect safely the sensor with the breakout board Follow this recommendation Connecting NPN open collector proximity sensor with the C11S R1 R2 Value 12V R1 R2 Value 24V Aprox 10KO Aprox 25KO Calculating the R1 value Note Rx is the unknown resistor value Q 12 or 24V DC External Power Supply Pa v Rx Vex RV R 1 Where Vex is the external power supply voltage V is the voltage across the R resistor An external resistor and a voltmeter are required to calculate the internal resistor Rx value Note The user should know the R value to do this operation A 4 7KOhm 1 2W is recommended SAMPLE if you are using a 12V power supply Vex and using a 4 7KOhm as external resistor R then the voltage across R should be 6V using the equation 1 the Rx value is 4 7KOhm User s Manual Page 15 7 3 Connecting PNP sensors PNP Open collector Sensor Normally open PNP Open collector Sensor Norm
14. s Enable the spindle and select the port and pin you wired for step Spindle Setup Mill Options Enabled Step Pin Dir Pin Dir Low Accti Step Low A Step Fort Dir Port 3 1 1 5 1 1 Ports amp Pins configuration screenshot User s Manual Page 7 2 Go to Config Output Signal Enable the output 1 and output 2 select port 1 and pin 1 for the output 1 and select port 1 and pin 16 for the output 2 Engine Configuration Ports 3 Go to Config Ports amp Pins Spindle Setup In the motor control box check Use Spindle Motor Output and Step Dir Motor Under Pulley Ratios set the pulley ratios of the machine Engine Configuration Ports Port Setup and Axis Selection Motor Outputs Input Signals Output Signals Encoder MPG s Motor Control Special Functions I Use Spindle Motor Output Use Spindle Feedback in Syne Modes _ PWM Control Bos ee M Step Dir Motor P pa i f D fo3 Spindle Speed Averaging l Disable Aood Mist relays Delay Mist M7 Output 3 fo er Food M8 Output ja po AW Delay spin U f Seconds CCW Delay Spin UP 1 Seconds Output Signal s 1 6 ModBus Spindle Use Step Dir as well CW Delay Spind DOWN Seconds l Enabled Reg 64 64 127 CCW Delay Spin DOWN i Seconds Max ADC Count i6380 Immediate Relay off before delay User s Manual Special Options Usually Of HotWire Heat for Jog Laser Mode freq Torch Volts Control
15. the reason why this card has two power connections One power connection is power powering the circuit that interacts with the PC the other connection is for powering the circuit that interacts with your CNC system Extra precautions have been taken when designing this circuit by taking into consideration the extremely high voltages that stepper drivers can achieve and lack of experience that some users could have in wiring circuits of this kind This board keeps the grounds of the PC isolated from the grounds of the rest of your CNC circuit e Support for up to 150 KHz optoisolation on step and direction signals New on this revision is that the optoisolation circuit has been optimized and now supports full optoisolation at soeeds over 150 kHz e Built in Passive Low Pass Filters for the all signal This board includes low pass filters to reduce the effect of the noise from the drivers or other devices over the signals e Microcontroller based SCHP This board comes with a microcontroller that allows the implementation of a complex algorithm for sampling and analyzing the SCHP signal e All TTL 5VDC signals Interface directly with parallel port interface products and other CNC4PC cards 5VDC TTL cards are very common among automation devices User s Manual Page 1 e Buffered outputs All outputs are buffered through the use of high speed and high current buffers with the result that your devices receive all the power they need e
16. y for AC motors Most of these devices with an external analog signal 0 10VDC That is if there is 5VDC coming into through the control signal the motor will run at 50 of full speed if there was 10VDC the motor will run at 100 of full speed If there is no signal coming out then the motor will stop This function can also be used on many DC motor controllers by replacing the potentiometer that controls the speed A WARNING You will require a voltmeter to fine tune your system Before connecting anything please be sure to read your VFD s manual and make sure you understand all the safety issues User s Manual Page 6 Wiring Before connecting anything please be sure to read your VFD s manual and make sure you understand all the safety issues Please check the wiring guide and wiring samples here http cnc4pc com Tech Docs C6R5 WG pdf and http cnc4pc com Tech Docs C6R5 WS pdf Configuring the Control Software It is strongly recommend you read your control software s manual You need to configure your control software to control the spindle as if it was an angular axis This card requires a PWM input signal to deliver 10VDC So you have to set the speed of the motor spindle at maximum For acceleration values adjust them to where you feel comfortable Keep in mind the acceleration of the motor must also be set in your VFD For configuring Mach follow these steps 1 Go to Config Ports amp Pins Motor Output
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