CNC4PC C11G User Manual
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CNC4PC C11G User Manual

Parallel port interface card
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C11G (Rev.7.1) User Manual
C11G- PARALLEL PORT INTERFACE CARD
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 comes as a
response to many customers that have been asking for a faster way to connect
devices and reduce the possibility of wiring errors.
2. Features
• Buffered
inputs
Outputs are buffered through the use
of high speed and high current
buffers allowing the card to output
the signals without using the power
from the parallel port. It can take the
+3.3 or +5vdc signal from the parallel
port and deliver solid +5vdc at 24
milliamps.
Revision: 28/01/2009
Rev. 7.1
User manual Rev. 1
•
and
outputs.
http://cnc4pc.com/TechDocs/C11GR7_1_User_Manual.pdf 1/19
Microcontroller based SCHP
This
board
comes
microcontroller
that
implementation
of
algorithm for sampling and analyzing
the SCHP signal.
.
with
a
allows
the
a
complex

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  • Page 1 C11G (Rev.7.1) User Manual C11G- PARALLEL PORT INTERFACE CARD Rev. 7.1 User manual Rev. 1 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 comes as a response to many customers that have been asking for a faster way to connect devices and reduce the possibility of wiring errors.
  • Page 2 C11G (Rev.7.1) User Manual • Built-in Variable Speed Control. that allows you to select if the common terminal to pins 2-9 will It has an optoisolated analog 0- carry a ground or +5vdc. So if you 10VDC output that will convert a step...

  • Page 3: Specifications

    C11G (Rev.7.1) User Manual example, if you are using output pin output pin on the board or from the control Built-in DB25 connector for output. Each Electromechanical Relay, you can connection will not affect the other also access that signal from the current from the other connection.

  • Page 4: Functional Block Diagrams

    C11G (Rev.7.1) User Manual 4. Functional Block Diagrams 4.1 Digital outputs simplified block diagram Fig. 1 Simplified functional block diagram for the digital outputs. 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.

  • Page 5: Special Functions

    C11G (Rev.7.1) User Manual 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.
  • Page 6 C11G (Rev.7.1) User Manual Selecting the SCHP operation mode. There is a jumper that allows you active or deactivate de SCHP. 1-2: SCHP OFF 2-3: SCHP ON Note: When the Safety Charge Pump is ON and there is a valid signal present, on the terminal for pin 17 you will get a high.
  • Page 7 C11G (Rev.7.1) User Manual Wiring: ‡ˆ‘”‡ …‘‡…–‹‰ ƒ›–Š‹‰ ’Ž‡ƒ•‡ „‡ •—”‡ –‘ ”‡ƒ† ›‘—”  • ƒ—ƒŽ ƒ† ƒ‡ •—”‡ ›‘— —†‡”•–ƒ† ƒŽŽ –Š‡ •ƒˆ‡–› ‹••—‡• Ž‡ƒ•‡ …Š‡… –Š‡ ™‹”‹‰ ‰—‹†‡ ƒ† ™‹”‹‰ •ƒ’Ž‡• Š‡”‡ ƒ† ' (($ $) $$ ( $ * $ ( +, * - .
  • Page 8 C11G (Rev.7.1) User Manual Fig. 5. Spindle Setup screenshot. Go to Config / Motor Tuning / Spindle. On Steps per unit put 1,000, set velocity to maximum. 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.
  • Page 9 C11G (Rev.7.1) User Manual After configuring the Mach, these steps should be followed. Step 1. Ensure that all external power sources are set to OFF. Step 2. Connect the power supply to the Power Inputs Connectors (X1). Step 3. Turn on the external supplies Step 4.
  • Page 10 C11G (Rev.7.1) User Manual 6.4 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 (X7) that allows you to select +5VDC or GND for the COM pins.

  • Page 11: Wiring Diagrams

    C11G (Rev. 7.1) User Manual 7. Wiring diagrams Different kind of sensors and switches can be connected to inputs board, but this board support only TTL signal. If you need to connect devices that generate 12V or 24V signals in some cases is necessary add external resistors.
  • Page 12 C11G (Rev. 7.1) User Manual Fig. 9 Wiring diagram to connect in parallel NPN open collector proximity sensors. + ' ' (, - .,/-0 (, - ./1-0 Connecting NPN sensors with internal resistor. Some NPN proximity sensor has a pull-up resistor internally (Rx in the Figure 10).
  • Page 13 C11G (Rev. 7.1) User Manual Connect the external resistor RT and the multmeter as is shown in the Figure 10. With the multmeter read the V voltage and calculate the Rx value using the equation shown above. When it is known the internal resistor value, connect the sensor to the board as is shown in the Figure 11.
  • Page 14 C11G (Rev. 7.1) User Manual Connecting PNP sensors Fig. 12 Wiring diagram to connect PNP proximity sensors + ' ' . ,/-0 . /1-0 Revision: 28/01/2009 http://cnc4pc.com/TechDocs/C11GR7_1_User_Manual.pdf 14/19...

  • Page 15: Other Connections

    C11G (Rev. 7.1) User Manual Other connections. Fig. 13 Wiring diagram to do an “Auto Tool Zero” Other wiring diagrams samples are shown in the next links. http://cnc4pc.com/Tech_Docs/E_STOP_N_EN_Wiring.pdf http://cnc4pc.com/Tech_Docs/E_STOP_N_SCHP.pdf Revision: 28/01/2009 http://cnc4pc.com/TechDocs/C11GR7_1_User_Manual.pdf 15/19...

  • Page 16: Troubleshooting

    C11G (Rev. 7.1) User Manual 8. Troubleshooting. SYMPTOM 1: THE BOARD DOES NOT REACT TO THE SIGNAL. POSSIBLE CAUSE POSSIBLE SOLUTIONS Pin conflict or mach3 configuration. Go to the device manager in windows, It is possible that the port address...
  • Page 17 C11G (Rev. 7.1) User Manual SYMPTOM 2: THE OUTPUTS DO NOT GET ENABLED / NO SIGNALS ARE COMING OUT. POSSIBLE CAUSE POSSIBLE SOLUTIONS The EN terminal (Enable Outputs) is Make sure you are providing +5vdc to not enabled. The board requires to be the EN terminal.
  • Page 18 C11G (Rev. 7.1) User Manual There could be a problem with the Test this with a different PC or parallel parallel cable or parallel port. port. SYMPTOM 5: THE ANALOG OUTPUT DOES NOT REACH THE 10VDC. POSSIBLE CAUSE POSSIBLE SOLUTIONS Insufficient pulse width.
  • Page 19 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 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.

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