User`s Manual Template
Contents
1. 5V power supply voltage Maximum output voltage OV Typical output current 24mA Maximum off state voltaje 0 44V 1M pins 2 9 150KHz other Maximum supported frequency pins Typical signal delay 3US Time of transition to high impedance state 120mS Time passed since a fault in the SCHP signal is detected and the outputs are disabled User s Manual Page 2 3 3 0 BOARD DESCRIPTION Outputs 2 9 simplified functional block diagram PC Pin IEEE 1284 internal i Enable RECOMMENDED Buffer Optocoupler RC Low Pass Schmitt l I l Filter Trigger E Saa o Buffer PC GND I I Output i connector I I l High output current ee uffer JC External Fig 1 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 Outputs 1 14 16 and 17 simplified functional block diagram irc F I il gt Enable PC Pin Lis seraersen asl 4 l IEEE 1284 Baar ee Runer Optocoupler RC Low Pass Schmitt _ I Il Filter Trigger e ieee gt I Buffer Output Fig 2 Simplified functional block diagram for the outputs 1 14 16 and 17 e Note The outputs will be deactivated if the board2. Power Supply External resistor External resistor required required 22e2 e22e 13 UsvU12 Usvul 41 Usv 40 INPUT Board Ground Fig 10 Wiring diagram to connect NPN proximity sensors with internal pull up resistor some NPN proximity sensor has a pull up resistor R1 internally It is necessary to know its value in order to connect safely the sensor with the BOB Follow this recommendation User s Manual Page 4 8 Connecting NPN open collector proximity sensor with the C1 R1 R2 Value 12V R1 R2 Value 24V Aprox 10KQ Aprox 25KQ Calculating the R1 value Note Rx is the unknown resistor value 12 or 24V DC External Power Supply 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 Connecting PNP sensors User s Manual Page 4 9 PNP Open collector Sensor Normally closed PNP Open collector Sensor Normally open 12 or 24V DC External Power Supply R External resistor R External resistor required required Alala
3. CNC rc wi Integration Solutions for CNC Projects C1 MULTIFUNCTION CNC BOARD Rev 10 1 June 2012 USER S MANUAL TABLE OF CONTENTS Page Contents O FEATURE Sa E A er ee eee E E ee 1 1 2 0 SPECIFICATIONS ssccscccsssnncsrscessnnssserscnnnanccerscannsecsrscenecnnnsrerscansnccssrscancccssecsreccausseress 2 3 3 0 Board COSCIIPTION 11ccsesccseccensccnnssennenennscnessensccensensesensscnessensesoensensssenssenensensssonnsenesses 3 4 Outputs 2 9 simplified functional block AiaGraim ccesscccenseeeeseeeneeeeeeeeeeneeeeeeeeeeneenennenes 3 4 Outputs 1 14 16 and 17 simplified functional block AiaGraim ccesssceeeseeneesennnneeenenenes 3 4 Input simplified functional block AIAGAM 1 c11ccceesceeeeceeneeeesenenseeenenensesenseeesenenseneneseeeenons 3 5 Using the COM configuration jumper 11 c11scceeeseeeeeeeneeseneenseseeseeeensesenseeeensesenseseenessennenes 3 5 t2 OMS OY oinin aa A A N nR 3 5 Pies FE COME GUND E 3 5 EXTON ENIDE T i E EE EEO ES 3 6 4 0 WO oiee E E 4 7 Connecting Switches or push button 1 cccecceeeeeeeeeneeeeeneeeeneeeeeseeeessesenseseensesenseseeneesennenes 4 7 Connecting NPN Sensors s ssasssassnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn nnmnnn 4 7 Calculating the R1 value cccsscessseeeeeseeeeneecenseseneeceneesoasseeessesonseeoeneesensesoesessensesoanenes 4 9 Connecting PNP Sensors 1 scesesecsesscenseeeenseenseeeenseeonseeeenseeonseeo
4. enseeoaseeoenseneasesoensesonseses 4 9 Oer CONMOC CUO urranna aE AEAEE ATEA EENE 4 10 Using the COM configuration jumper 1 c11sccceeseeeeeecneeneneensenenseneenseeenneeeeseesenseneeneesenees 4 11 EDIT OCIS ONS Errr E E E E E EEE EEE EEEE 5 12 60 DOC R74 geen ee EE E re ree eee eee 6 12 User s Manual Page i 1 0 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 optosiolated 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 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 d
5. eters 6 0 DISCLAIMER Use caution CNC machines could be dangerous machines DUNCAN USA LLC or Arturo Duncan are not liable for any accidents resulting from the improper use of these devices This product is not 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 6 12
6. is not connected to the PC parallel port User s Manual Page 3 4 Input simplified functional block diagram Pull up or Pull_down Selection Jumper i I vou 6 A sv i l e Board i Optocoupler RC Low Pass se elimen Connector l Filter I Buffer PC input 7 39 0 l gt T L L PC GND Fig 3 Simplified functional block diagram for the 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 1 2 PULL UP 2 3 PULL DOWN ay 080 P a EED EED EEN ERD Using the COM configuration jumper There is a jumper X7 that allows you to select 5VDC or GND for the COM pins 1 2 COM 5V 2 3 COM GND WEREACE CARDREV 4 User s Manual Page 3 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 BU EN GND EN GND END 4 LE ouTPUTS S 1 e PA A WARNING 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 intr
7. lala alolalo 13 ab 5VU 11 US5VU 10 Board Ground R Value 24V Aprox 25KO Other connection Other connections can be implemented by setting the inputs to pull up resistor _ _ _ as X 3 p Ps fi 2 a alg D 15 OSV A 13 Ta SVU 11 USVU 10 Board Ground Fig 12 Wiring diagram to do an Auto Tool Zero 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 4 10 Using the COM configuration jumper This is for selecting the value to get at the COM terminals found next to step and direction terminals Pin 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 1 g Jumper 1 2 COM 5VUDC Jumper 2 3 COM GND User s Manual Page 4 11 5 0 DIMENSIONS 121 DR eG gT ONS ET G ZT OMI TI Ag ei L L b eaii i a mY Pola P F T i ofe oo o BEL Epig P 55 a rz gt ee i l i T E a A ie pooooooooe al A PF nate D sf o i 7 a COR Gg er 2 Hm E Hr 4 HEL of i La k Lo Li Ia ETN i i oo p a F f i a Aa Te r Pld tk HEH Ta AE a AE O d e i THA rY oer Ge CT ae C PARALLEL PORT INTERFACE CARD RE All dimension are in Millim
8. necting this card between your computer and your current setup That way you can also see and access all your signals This makes this card ideal for use with the Xylotex HobbyCNC or other non optoisolated boards You only have to add this board to a DB25 male connection to a male cable 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 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 Input 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 jumpers that allows you to select 5VDC or GND for the COM pins e Works directly with popular CNC hardware and software That goes for Smooth Stepper Geckdrive Leadshine Viper and parallel port control software such as Machs3 Linux EMC TurboCNC and other Not all have been tested User s Manual Page 1 2 e Screw On connections for all terminals You only have to screw on the wires to make all your connections 2 0 SPECIFICATIONS Numbers of inputs DIGITAL OUTPUT SPECIFICATIONS Number of outputs 12
9. oduced 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 3 6 4 0 WIRING 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 bellow wiring diagrams are examples Any input can be used for the connections Note The bellow wiring diagrams require setting the inputs to use pull down resistor Connecting Switches or push button Connecting N Connecting N Connecting the NO Switches NC Switches E STOP itching push button N ross I I N 1 4 I NC D ak Tra RRI Fig 7 Wiring diagram to connect switches aAA Connecting NPN sensors NPN Open collector Sensor Normally open NPN Open collector Sensor Normally closed 12 or 24V DC External Power Supply quoegeege2 Fig 8 Wiring diagram to connect NPN open collector proximity sensors Board Ground User s Manual Page 4 7 12 or 24V DC External Power Supply Fig 9 Wiring diagram to connect in parallel NPN open collector proximity sensors Connecting NPN open collector proximity sensor with the C1 R1 Value 12V R1 Value 24V Aprox 10KQ Aprox 25KO NPN Sensor Normally closed NPN Sensor Normally open 12 or 24V DC External
10. rivers 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 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 Support for up to 1MHz optoisolation on step and direction signals New on this revision is that the optoisolation circuit has been optimized and now supports full optoisolation at speeds up to 1 MHz e Status LEDs on all inputs and output connections User s Manual Page 1 1 No more guessing You can SEE all your signals Save valuable time and brainpower for CNCing 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 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 Has an extra DB25 female connection for output You can use this card to optoisolate any existing setup just by con
Download Pdf Manuals
Related Search