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C11G (Rev. 8.2) User Manual

Revision: 01/27/2010 http://cnc4pc.com/TechDocs/C11GR8_2_User_Manual.pdf 14/21

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:

Connecting NPN open collector proximity sensor with the C11G

(R1+R2) Value (12V)

(R1+R2) Value (24V)

Aprox. 10KΩ

Aprox. 25KΩ

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Содержание C11G

Страница 1: ...best input configuration for your application Buffered inputs and outputs Outputs are buffered through the use of high speed and high current buffers allowing the card to output the signals without us...

Страница 2: ...s or limit switches you can set It to be 5VDC External Enable Pin EN The board has a pin that allows you to enable disable all the outputs at once The board requires 5vdc in the EN pin If it is not pr...

Страница 3: ...m off state voltaje 0 44 V Maximum operation frequency 4 MHz Typical signal delay 10 nS Time of transition to high impedance state 12 nS Time passed since a low in the ENABLE input is detected and the...

Страница 4: ...buffer 4 2 Outputs 1 14 16 and 17 simplified functional block diagram Fig 2 Simplified functional block diagram for the outputs 1 14 16 and 17 Note Internal Enable External Enable Pin AND SCHP OR Bypa...

Страница 5: ...e jumper in the appropriate position The input pins can be set to be pulled up or down with a 4 7Kohm resistor 1 2 PULL UP 2 3 PULL DOWN 5 Special Functions 5 1 Safety Charge Pump SCHP Pin 17 This boa...

Страница 6: ...ne 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 i...

Страница 7: ...indle with step and direction signals as if it was an axis motor It converts the step signal into an analog 0 10VDC A Variable Frequency Drive or Inverter works by modifying the frequency for AC motor...

Страница 8: ...figure your control software to control the spindle as if it was an angular axis This card requires a 25 KHz input signal in the pin 14 to deliver 10VDC So you have to set the speed of the motor spind...

Страница 9: ...For Acceleration choose the acceleration that you feel comfortable with Start slow increase acceleration as you test your system Under Step Pulse length use a number from 3 to 5 but start with 3 This...

Страница 10: ...l properties of parallel port or breakout board you are using the length of the step pulse your software is delivering and the normal hi or low status of your step pin Play with the pot hi low status...

Страница 11: ...n 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 prese...

Страница 12: ...ls 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 N...

Страница 13: ...df 13 21 7 2Connecting NPN sensors Fig 8 Wiring diagram to connect NPN open collector proximity sensors Fig 9 Wiring diagram to connect in parallel NPN open collector proximity sensors Connecting NPN...

Страница 14: ...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 Fo...

Страница 15: ...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 ope...

Страница 16: ...27 2010 http cnc4pc com TechDocs C11GR8_2_User_Manual pdf 16 21 7 3 Connecting PNP sensors Fig 11 Wiring diagram to connect PNP proximity sensors Connecting PNP proximity sensor with the C11G R Value...

Страница 17: ...User_Manual pdf 17 21 7 4 Other connection Other connections can be implemented by setting the inputs to pull up resistor Fig 12 Wiring diagram to do an Auto Tool Zero http cnc4pc com Tech_Docs E_STOP...

Страница 18: ...ke the waveform it is getting Some breakout boards could invert the signals or modify the pulse width Changing the active low status of the pin used also inverts the waveform Play with the active low...

Страница 19: ...ck if the parallel port is well connected to the PC SYMPTOM 3 THERE IS NOISE IN THE SYSTEM OR THE MOTORS DO NOT MOVE SMOOTHLY POSSIBLE CAUSE POSSIBLE SOLUTIONS The board could be underpowered Make sur...

Страница 20: ...ould be a way of figuring out if this is the case There could be a problem with the parallel cable or parallel port Test this with a different PC or parallel port SYMPTOM 5 THE ANALOG OUTPUT DOES NOT...

Страница 21: ...ion 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 The C11G is not fail safe device and it s...

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