CNC4PC C11G Manuel utilisateur

User’s Manual

Page i

USER’S

MANUAL

VER.1

C11G- MULTIFUNTCION CNC BOARD

Rev. 9

MARCH, 2017

User’s Manual 
Page ii 
 
 
 
 USER'S MANUAL 
 
TABLE OF CONTENTS 
 
 
Contents Page # 
0 OVERVIEW.....................................................................................................................1 
0 FEATURES.....................................................................................................................1 
0 SPECIFICATIONS ..........................................................................................................2 
0 BOARD DESCRIPTION..................................................................................................2 
0 POWER TERMINALS AND CONFIGURATION JUMPERS............................................3 
1 Power Terminal..........................................................................................................3 
2 External Enable Pin...................................................................................................4 
3 Led Indicator..............................................................................................................4 
4 Safety Charge Pump “SCHP”. (Pin 17)....................................................................5 
5 Controller selection jumpers (IEEE1284).................................................................6 
0 VARIABLE SPEED CONTROL.......................................................................................7 
1 Operation Mode Jumper............................................................................................7 
2 Electromechanical relays. (Pin_1 or Pin_17) ..........................................................9 
3 Using the COM configuration jumper.......................................................................9 
0 FUNCTIONAL BLOCK DIAGRAMS .............................................................................10 
1 Outputs 2-9 simplified functional block diagram ..................................................10 
2 Outputs 1, 14, 16 and 17 simplified functional block diagram..............................10 
3 Input simplified functional block diagram .............................................................11 
4 Selection Jumper PULL-UP or PULL-DOWN .........................................................11 
0 WIRING DIAGRAMS ....................................................................................................12 
1 Connecting Switches or push button ....................................................................12 
2 Connecting NPN sensors........................................................................................12 
3 Connecting PNP sensors........................................................................................15 
0 DIMENSIONS ...............................................................................................................16 

User’s Manual

Page 1

1.0 OVERVIEW

This card has been designed to provide a flexible interface and functions to your

computer projects by using the parallel port or USB-based or Ethernet-based controller.

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.

2.0 FEATURES

•IEEE 1284 Standard compatible.

•PULL-UP or PULL-DOWN selection for inputs.

•Buffered inputs and outputs.

•Microcontroller based SCHP.

•Built-in Variable Speed Control.

•3 Electromechanical Relays with NO and NC positions.

•Status LEDs on all inputs and output connections.

•Output pins 1, 2, 3, 4, 5, 6, 7, 8, 9, 14, 16 and 17.

•Input pins 10, 11, 12, 13 and 15.

•Input and output pins close to ground or +5vdc connections.

•Common terminal for pins 2-9 can be ground or +5vdc.

•External Enable Pin (EN).

•Works directly with popular CNC hardware and software.

•All TTL 5VDC signals.

•Screw-On connections for all terminals.

•All pins can be used in a concurrent manner.

User’s Manual

Page 2

3.0 SPECIFICATIONS

DIGITAL INPUT SPECIFICATIONS

On-state voltage range

2 to 5V DC

Maximum off-state voltaje

0.8V

Maximum operation frequency

4 MHz

Typical signal delay

10nS

DIGITAL OUTPUT SPECIFICATIONS

Maximum output voltage

(5V power supply voltage) +

0.5V

Typical output current

24mA

Maximum 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 outputs are disabled

4.0 BOARD DESCRIPTION

User’s Manual

Page 3

5.0 POWER TERMINALS AND CONFIGURATION JUMPERS

Regulated +5VDC@ 1A is required to power this board.

WARNING

Check the polarity and voltage of the external power source and connect the 5VDC and

GND. Overvoltage or reverse-polarity power applied to these terminals can cause

damage to the board, and/or the power source.

5.1 Power Terminal

User’s Manual

Page 4

5.2 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 send high impedance state. If this function is not required, a

jumper can be placed between +5vdc and the EN terminal. It has an internal 4.7kOhm

pull-down resistor.

5.3 Led Indicator

The power LED lights indicate that the system is ready but disabled. When Status

LED, (Green LED) lights, it indicates that the system is enabled.

User’s Manual

Page 5

5.4 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 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 configure it as is shown in

the Fig. 8 Next, press the apply button.

Charge Pump configuration

User’s Manual

Page 6

Selecting the SCHP operation mode

The Safety Charge Pump can be activated or deactivated depending on the jumper

position

1-2: SCHP OFF 2-3: SCHP ON

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….

5.5 Controller selection jumpers (IEEE1284)

Some motion controllers are not IEEE1284 compatible, set the jumper to select the

compatibility.

Compatible (IEEE1284) Not Compatible (IEEE1284)

User’s Manual

Page 7

US MODE (US)

INPUTS

RELAYS

PWM (Pin 14)

REV (Pin 16)

REL 1

REL 2

OFF

6.0 VARIABLE SPEED CONTROL

This function lets you control your spindle with PWM signal. It converts the PWM signal

into an analog (0-10VDC).

This function can also be used on many DC motor controllers by replacing the

potentiometer that controls the speed.

Requirements:

It requires a power supply external +12VDC@ 30mA for the analog output

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.

Wiring:

Before connecting anything, please be sure to read your VFD’s manual and make sure

you understand all the safety issues.

Spindle uses Pins 14 for step (PWM at 1000hz) and 16 for Dir.

6.1 Operation Mode Jumper

This jumper allows selecting the way how the relays are activated when a PWM signal and REV

signal are present in the inputs terminals. See the tables below.

MODE - US

MODE - INT

INTERNATIONAL MODE (INT)

INPUTS

RELAYS

PWM (Pin 14)

REV(Pin 16)

REL 1

REL 2

OFF

User’s Manual

Page 8

Relay 1 and 2

They can be used to control the VFD. The relay specifications are shown in this table.

ELECTROMECHANICAL RELAYS SPECIFICACTIONS

Maximun Current (AC)

7A@240VAC; 10A@125VAC

Maximun Current (DC)

15A@524VDC; 10A@28VDC

Electromechanical Relays Specifications

Replacing a Potentiometer:

This circuit can be used to replace a potentiometer of DC moto.

These speed controller circuits are very commonly used by

SIEG, KB Electronics, and many other oriental machines.

Before explaining how to do it, please first keep in mind that it

can be done if the voltage that goes through the pot is +12vdc

or less. This circuit cannot be used for AC currents.

In most cases the terminals that go to the potentiometer will

carry these signals:

P1 = GND

P2 = WIPER

P3 = REFERENCE VOLTAGE

These are the steps for replacing a potentiometer:

Measure the voltage difference between P1 and P3. Make sure it measures

under +12vdc.

Fine tune the analog output to the output voltage you got from step 1.

Connect the ground from the analog output to the ground of thepotentiometer

(P1).

Connect the analog output to the wiper connection of the potentiometer (P2).

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