User`s Manual Template
Contents
1. rc yas Integration Solutions for CNC Projects 17 MASTER CONTROL BOARD Rev 4 SEPTEMBER 2014 USER S MANUAL TABLE OF CONTENTS Page Contents 1 0 FEATURES A es 1 2 0 SPECIFICA TIONS Ionio AEE 2 3 0 BOARD DESCRIPTION 1 eroe 3 4 0 WIRING acces caw reac 8 5 0 OPERATION MODES AND PROGRAM SEQUENCE 9 51 STAND BY 2 2 aaa a aAa Laak idaB EEANN 9 5 2 START UP ep En 9 53 ACTIVE epp 10 6 0 CONFIGURING THE CONTROL SOFTWARE 11 6 1 APPLICATION 11 7 0 CONNECTING EXTERNAL FAULT INDICATOR 12 8 0 5 22 13 User s Manual Page i 1 0 FEATURES e Monitors E Stop Safety Charge Pump and Drivers it only monitors G320 340 drives at this time e Microcontroller Based System The microcontroller based system allows the implementation of complex algorithms for monitoring the system It also allows the possibility of having firmware upgrades without having to change the board and rewire your system e On Board Relay for controlling external devices The board comes2. a The driver terminals are switched to input mode and start monitoring the drivers The system monitors all the conditions for the system to remain active These are v The e stop open It is left in the air or receiving a ground vi The SCHP signal is present if configured vii The drivers are not sending a fault signal The STAUTS LED lights The relay is activated Sends a ground or 0 to the External Trigger terminal But if the system faults a hi or 5vdc signal is sent for 3 seconds This is so you can let the controller know that the system is coming down This signal can be connected to the controller s e stop or limit input The system halts for 3 seconds After these 3 seconds the system could be reactivated User s Manual Page 10 6 0 CONFIGURING THE CONTROL SOFTWARE Safety Charge Pump To enable the safety charge pump make sure you enable the feature in Config Pins amp Ports Output Pins Enable the safety charge pump and assign the pin you are going to connect it to as is shown in the follow Figure Next press the apply button Engine Configuration Ports amp Pins Signal Enabled Pin Number Active Low Output 2 17 x Output 3 Output 4 Output 5 Current Hi Low Output 7 Output 8 Output 9 x x xr x x xr x x Pins 2 9 1 14 16 and 17 are output pins No other pin numbers should be used Aceptar Aplicar If using the external trigger
3. be used Standby indicator LED The standby led will light to indicate that the system is ready but disabled If the system faults it will light again to indicate that the system is ready to enable again Fault LEDs When the system stops the fault indicators will light to indicate what caused the system to stop Status LED indicator The status LED has three modes 1 Off when the system is off or in standby mode 2 Blinking when the system is coming up 3 On when the system is active The external terminal is the user can install an LED in outside the control box or in the control panel Terminal ERRS RES Drivers The drivers enable or err res terminals of the driver must be connected to this terminal The pin will behave according the driver to which it was selected to operate with If a 9320 is selected the system will not only enable the drive but it will monitor it to see if it faults Terminal external Trigger When the system faults an external activation signal is sent for 3 second This is so you can let the controller know that the system has faulted and it is coming down Terminal Relay contacts The relay is so you can use it to enable and disable external devices Such as motors contactors VFDs etc Terminal of output In this terminal connects leds external STANDBY STATUS Configuration DIP SWITCH DIPSWITCH allows activating or deactivating the SCHP detection function and selecting the driver to use a
4. configure e stop or assign a limit to the input pin you are using This way the control software will be made aware of the fault condition 6 1 APPLICATION CONSIDERATIONS 1 Make sure you send a signal to the e stop pin you have configured in your control software You could take it from the same push button you are using for e stop but if you take it from the on board relay then if a servo motor fails then the system will let the control software know of the fault condition 2 f you need to implement more than one external relay you can use the on board relay to drive as many external relays as you need These external relays could control the following a The signal that starts your contactor or motors b The EN enable pin that enabled the output of breakout boards c Enable or disable other external devices such as VFDs or PLCs d Implementing external lights or LEDs in the control box or control panel that would inform the user that the system is ENABLED User s Manual Page 11 The power line of a motor 3 Please note that by connecting the ground of a gecko drive you are violating optoisolation of the drive If you still want the benefit of optoisolation you can use an optoisolated breakout board such as the C1 Parallel Port Interface Card to keep your system optoisolated 7 0 CONNECTING EXTERNAL FAULT INDICATOR LEDS External indicator LEDS can be directly connected to the board without using exte
5. main that way until the conditions to restart are present again Operation Mode 2 G203 When the system starts the C62 enable pins go to a HIGH state BV When SCHP and E Stop function are checked and validated the system send a LOW 0 to the driver s EN pin for about 2 Sec enabling the drivers If an external error occurs the system stops resets the CNC software and sends a HIGH 5V to the drivers EN pin The system will remain that way until the conditions to restart are present again Operation Mode 3 G210 201 When the system starts the C62 enable pins go to a LOW state OV When SCHP and E Stop function are checked and validated the system send a HIGH 5V to the Drivers EN pin for about 2 Sec enabling the Drivers If an external error occurs the system stops resets the software and sends a LOW 0 to the drivers EN pin The system will remain that way until the conditions to restart are present again Operation Mode 4 Viper Teco and Delta When the system starts the C62 enable pins go to a low state OV When SCHP and E Stop function are checked and validated and there is no fault signal coming from any User s Manual Page 6 driver the system sends high 5V to the driver Fault output pin enabling the drivers After that the system monitors the driver s Fault Output pin If an error is generated in any driver OV in driver Fault Output pin or an external error occurs the system stops re
6. nd delays an enable signal for external devices User s Manual Page 4 Position 1 The enable output Pin 17 2 will be activated when the driver enable process starts A delay in the signal activation time could be added by selecting the OFF position in the DIPSWITCH The table below shows the delay time for each supported driver DELAY G320 340 G203 E E G210 201 Keling Viper Servo driver zo LJ SWITCH 1 OFF Delayed enable output Pin 17 2 SWITCH 1 ON Non Delayed enable output Pin 17 Port 2 Position 2 Safety Charge Pump SCHP Pin 17 Port 2 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 Selecting the SCHP operation mode Onboard DIPSWITCH allows activating or deactivating the SCHP detection function SWITCH 2 ON Activate the SCHP detection function SWITCH 2 OFF Deactivate the SCHP detection function 901284 Ineo Note When the Safety Charge Pump function is activated 5V are present in the E Stop terminal and a valid SCHP signal is present Port 2 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 Variable Speed C
7. 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 User s Manual Page 2 3 0 BOARD DESCRIPTION Terminal of output for indicator of e Terminal of externa Terminal Driver Enable Disable REALY Contact Standby and Status ERR RES Les Y E Nie a 9 9 LF TA 00000 20 atus AAR AA S UM M SN74ACT245N L 7 Standby LE MN indicator Q s O Oo 5 O 5 O C17 MASTER CONTROL BOARD REV 4 http uuu cnc4pc con FREQ SCHP 12 5 KHz Terminal Input signal Connect Power supply of 5VDC Configuration DIP SWITCH Connect power supply Provide a 5V 400mA power supply to power the board Terminal Input signals In order to take the board to activate mode the following conditions must be met User s Manual Page 3 1 THE TERMINALS MUST BE ACTIVATED WITH A HI 5VDC The pin to the right has 5vdc and the input pin is to the left A NC Normally Closed switch should be used 2 THE SAFETY CHARGE PUMP SIGNAL MUST BE PRESENT If this feature is enabled with the DIP switch selector 3 THE START SWITCH MUST BE CLOSED FOR AT LEAST 5 SECONDS TO START THE CYCLE NOTE NO Normally Open switch must
8. ontrol pin 14 Port 1 and VFD connection See Configuring the Control Software User s Manual Page 5 Position 3 and 4 Select the driver you will use according to the table below OPERATION MODE DRIVER G320 DG4S 0 0 G203 1 0 G210 201 Keling 0 1 Viper 1 1 This board includes a Microcontroller based driver monitoring system It performs enabling and monitoring functions for servo Drivers and only enabling function for stepper drivers It is required connect the driver ERR RES servo drivers or EN stepper driver terminal to the pin 5 of each RJ45 driver connector Here is a brief description of how these functions are performed for each operation mode Operation Mode 1 G320 DG4S When the system starts the C62 error reset pins go to a low state 0V making sure the driver remains disabled When SCHP and E Stop function are checked and validated and there is no fault signal coming from any driver the system sends a high 5V to the driver s error reset pins for about 5 seconds to enable the drivers After that the system monitors the driver s err res pins If a fault occurs on any driver 0V in driver ERR RES pin or an external fault occurs E Stop or SCHP fault the system stops and sends an e stop signal Active low to the controller All outputs on the board are disabled and the drivers will be disabled by sending a LOW 0 to the drivers ERR RES pin The system will re
9. rnal resistors Just connect them for example how is shown in the follow figure considering that the pads marked on the board with a white point correspond to the LED s anode jm 3d I8USIQ 3 18UN3 E 4 LR eie eie eit User s Manual Page 12 8 0 DIMENSIONS All dimensions are in Millimeters Fixing holes 3 8mm 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 User s Manual Page 13
10. sets the CNC software and sends a LOW 0 to the drivers to ensure they remain disabled User s Manual Page 7 4 0 WIRING Make sure you send a signal to the e stop input pin your control software so it becomes aware of the e stop condition Please note the sample wiring diagram bellow ee th ah 73 zi 25 C17 MASTER CONTROL BOARD sev 4 4 0000 toe OF AC G http This connection will allow temporarily enable the breakout board so the safety Safety Cha Pome Seed can get throug coming from the NET LL es E STOP parallel port it START PUSH BUTTON PUSH breakout board NO Switch BUTTON If you are using a latch type NC Switch e stop button This switch could be hardwired That way the system will come up when the e stop button is not latched User s Manual Page 8 Protection NO Diode VCC IN Vdd NC Microcontroller m r Vss Fig 2 C4 Simplified Schematic 5 0 OPERATION MODES AND PROGRAM SEQUENCE During operation the board goes through 3 stages or modes These are 5 1 STAND BY MODE When in stand by the board does the following a The driver terminals are set into output mode and the board sends a signal to the drivers in order to disable them b Disables the relay this disables other external devices c Stand by LED lights and the STAUS LED is off d The firs
11. t time the board is turned on all the FAULT LEDs are off If the board is in stand by mode as a result of a previous fault then a LED indicating the cause of the fault will light The possible fault causes are e stop SCHP Safety Charge Pump or driver fault e Sends a ground or 0 to the External Trigger terminal Monitors the system to see if it is ready to go to START UP mode The conditions to be met for the board go to into start up mode are the following i The board is in Standby mode ii E stop is closed ii The signal is present or disabled iv The START signal is present 5 2 START UP MODE Once the start up conditions are met the board goes into this mode This mode takes 5 seconds If during these 5 seconds any of the conditions fails then it goes to back to stand by mode This time period is to allow all the systems to be ready for operation When in startup mode the board does the following a Monitors that the startup conditions are met User s Manual Page 9 902oo0gc Enables the drivers Activates the relay The status LED blinks The fault and stand by LEDs are turned off Sends a ground or 0 to the External Trigger terminal 5 3 ACTIVE MODE After of 5 seconds when the start up period ends and the board goes into active mode If a fault condition appears the program goes back to stand by mode to start the cycle again These are the actions been performed during this mode
12. with an on board relay that allows you to enable a breakout board a contactor a motor or any other device Multiple relays could be connected externally in parallel if you need to control different signals and currents For example you might need to use the external signal to enable a breakout board then you need another signal to enable a contactor and then another relay to interrupt the line that powers a motor e Status LEDs on all inputs and output connections No more guessing You can SEE all your signals Save valuable time and brainpower for CNCing All TTL 5vdc or 3vdc Signals Interface directly with parallel port interface products and other cnc4pc com cards 5VDC TTL signals are very common among automation devices e Screw On connections for all terminals You only have to screw on the wires to make all your connections e Flexible design It works with cnc4pc s products directly through your parallel port or through many other parallel port control products User s Manual Page 1 2 0 SPECIFICATIONS DIGITAL INPUT SPECIFICATIONS On state voltage range 2 to 5V DC Maximum off state voltaje 0 8V DIGITAL OUTPUT SPECIFICATIONS 5V power supply voltage Maximum output voltage 0 5V Typical output current 24mA Maximum off state voltaje 0 44 V Requirements It requires a 5VDC 400 milliamps power supply to operate WARNING Check the polarity and voltage
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