User`s Manual Template

User`s Manual Template
USER’S
MANUAL
C35S- QUICK SETUP BREAKOUT
BOARD Rev. 1.3
FEBRUARY, 2015
USER'S MANUAL
TABLE OF CONTENTS
Page #
Contents
1.0
OVERVIEW ..................................................................................................................... 1
2.0
FEATURES ..................................................................................................................... 1
3.0
SPECIFICATIONS. ......................................................................................................... 2
4.0
BOARD DESCRIPTION .................................................................................................. 3
5.0
SELECTION JUMPER .................................................................................................... 4
5.1
Input (PULL-UP or PULL-DOWN)................................................................................. 4
5.2
Pin_11 ........................................................................................................................... 4
6.0
ESPECIAL FUNCTIONS ................................................................................................. 5
6.1
Safety Charge Pump "SCP". (Pin 17) ....................................................................... 5
6.2
Enable Pin. ................................................................................................................. 7
7.0
REQUIREMENTS ........................................................................................................... 7
8.0
FUNCTIONAL BLOCK DIAGRAMS ............................................................................... 8
8.1
Pins 2-9 simplified block diagram ............................................................................ 8
8.2
Inputs simplified block diagram ............................................................................... 9
9.0
PINOUT........................................................................................................................... 9
10.0
WIRING DIAGRAMS..................................................................................................... 10
10.1
Connecting Switches or push button..................................................................... 10
10.2
Connecting NPN sensors. ....................................................................................... 11
10.3
Connecting PNP sensors. ....................................................................................... 14
10.4
Other connection. .................................................................................................... 15
11.0
DIMENSIONS................................................................................................................ 16
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Page i
1.0
OVERVIEW
This card provides an easy way of interfacing your inputs and outputs from the parallel
port. It provides terminals and RJ45 for connections. It conditions the signals for use in
CNC applications.
2.0
FEATURES

IEEE 1284 Standard compatible.

Easy connections with CNC4PC relay boards and speed control boards.

Microcontroller based SCHP.

Works directly with popular CNC hardware and software.

Easy way to connect up to 4 stepper motor drivers by using Networks
cables. (Pins 2-9).

All TTL 5VDC signals.

Buffered inputs and outputs.

Screw-On connections for input signal terminals.

Output pins 1, 2, 3, 4, 5, 6, 7, 8, 9, 14, 16, 17.

Input pins 10, 11, 12, 13, 15.

Input and output pins with close by ground or +5vdc connections

External Enable Pin (EN).
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Page 1
3.0
SPECIFICATIONS
DIGITAL INPUT SPECIFICATIONS
On-state voltage range
Maximum off-state voltage
Maximum operation frequency
Typical signal delay
2 to 5V DC
0.8V
4 MHz
10nS
DIGITAL OUTPUT SPECIFICATIONS
Maximum output voltage
Typical output current
Maximum off-state voltage
Maximum operation frequency
Typical signal delay
Time of transition to high impedance state
(5V power supply voltage) +
0.5V
24mA
0.44 V
4 MHz
10 nS
120 mS*
*Time passed since a low in the ENABLE input is detected and the outputs are disabled.
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4.0
BOARD DESCRIPTION
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Page 3
5.0
SELECTION JUMPER
5.1
Input (PULL-UP or PULL-DOWN)
Pins 10,11,12,13 and 15 can be set to pull-up or pull-down by selecting the 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-DOWN
5.2
2-3: PULL-UP
Pin_11
If you connect sensors (A32 or A62), set jumper as sample in the image
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User’s Manual
Page 4
If you connect board (C3 or C48), set jumper as sample in the image
6.0
ESPECIAL FUNCTIONS
6.1
Safety Charge Pump "SCP". (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 configures it as is shown in the Fig. 8 Next,
press the apply button.
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Fig. 1. Charge Pump configuration
Selecting the SCHP operation mode
The Safety Charge Pump can be activated or deactivated depending on the jumper
position.
1-2: ON
2-3: OFF
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….
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User’s Manual
Page 6
6.2
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. 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.
Wiring:
The Parallel Port Interface Card has a very basic design that provides the flexibility you
look for on CNC projects.
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
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.
7.0
REQUIREMENTS
It requires a 5VDC @ 500 milliamps power supply to operate. This power can be taken
from the computer’s power supply or USB port. Consider using the A3 – USB Power
Cable found under Accessories in the website.
WARNING
Check the polarity and voltage of the external power source and connect the 5V and
GND. Overvoltage or reverse-polarity power applied to these terminals can cause
damage to the board, and/or the power source. Follow the steps bellow.
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Page 7
8.0
FUNCTIONAL BLOCK DIAGRAMS
8.1
Pins 2-9 simplified block diagram
Fig. 2 Simplified functional block diagram for pins 2-9.
7.2
Pins 1, 14, 16 and 17 simplified block diagram
Fig. 3 Simplified functional block diagram for outputs 1, 14, 17 and 16, .
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 outputs will be deactivated if the board is not connected to the PC parallel
port.
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Page 8
8.2
Inputs simplified block diagram
Fig. 4 Simplified functional block diagram for inputs.
9.0
PINOUT
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Page 9
PINS USED ON EACH RJ45 CONNECTOR.
RJ45_1
Function
RJ45_2
Function
RJ45_3
Function
RJ45_4
Function
RJ45_5
Function
RJ45_6
Function
RJ45_7
Function
RJ45_8
Function
RJ45 PIN 1
Not Used
Not Used
Not Used
Not Used
GND
RJ45 PIN 2
P.P. Pin 2
P.P. Pin 4
P.P. Pin 6
P.P. Pin 8
P.P. Pin 17 Not Used
P.P. Pin 13 Not Used
RJ45 PIN 3
Not Used
Not Used
Not Used
Not Used
P.P. Pin 16 Not Used
P.P. Pin 12 P.P. Pin 10
RJ45 PIN 4
GND
GND
GND
GND
P.P. Pin 1
P.P. Pin 11 P.P. Pin 11
RJ45 PIN 5
EN (5V)
EN (5V)
EN (5V)
EN (5V)
P.P. Pin 14 P.P. Pin 17
Not Used
P.P. Pin 15
RJ45 PIN 6
P.P. Pin 3
P.P. Pin 5
P.P. Pin 7
P.P. Pin 9
Not Used
Not Used
Not Used
ENABLE
RJ45 PIN 7
Not Used
Not Used
Not Used
Not Used
5V
5V
5V
5V
RJ45 PIN 8
5V
5V
5V
5V
Not Used
Not Used
Not Used
Not Used
GND
P.P. Pin 16
GND
GND
10.0 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.
10.1 Connecting Switches or push button.
Fig. 6 Wiring diagram to connect switches.
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Page 10
10.2 Connecting NPN sensors.
Fig. 7 Wiring diagram to connect NPN open collector proximity sensors.
Fig. 8 Wiring diagram to connect in parallel NPN open collector proximity sensors.
Connecting NPN open collector proximity sensor with
the C35
R1 Value (12V)
R1 Value (24V)
Aprox. 10KΩ
Aprox. 25KΩ
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Fig. 9 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 C35
(R1+R2) Value (12V)
(R1+R2) Value (24V)
Aprox. 10KΩ
Aprox. 25KΩ
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Page 12
Calculating the R1 value.
Note: Rx is the unknown resistor value.
RX = VEX.(R/V) - 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.
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10.3 Connecting PNP sensors.
Fig. 10 Wiring diagram to connect PNP proximity sensors
Connecting PNP proximity sensor with the C35
R Value (12V)
R Value (24V)
Aprox. 10KΩ
Aprox. 25KΩ
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Page 14
10.4 Other connection.
Other connections can be implemented by setting the inputs to pull-up resistor.
Fig. 11 Wiring diagram to do an “Auto Tool Zero”
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Page 15
11.0 DIMENSIONS
All dimensions are in Millimeters.
DISCLAIMER
Use caution. CNC machines can be dangerous machines. Neither DUNCAN USA, LLC
nor Arturo Duncan are liable for any accidents resulting from the improper use of these
devices. This board 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.
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Page 16
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