PMDX-340 Quick Start Manual
Contents
1. 1 8 Amps full 0 9 Amps reduced 1 6 Amps full 0 8 Amps reduced 5 4 Motor Micro Stepping Mode Selection he PMD X 340 support four different micro stepping resolutions as selected by SW 2 switches 1 and 2 and as shown below 1 4 step 1 32 step 5 5 Charge Pump Setting The PMD X 340 supports a charge pump feature W hen enabled the PMD X 340 monitors parallel port pin 17 for a valid charge pump signal from the PC If no signal is found then the PMD X 340 s outputs 1 j 1 16 step PMDX 340_QuickStart_10 doc 2013 Practical Micro Design Inc Page 8 of 9 5 August 2013 All Rights Reserved PMD X 340 Quick Start Guide Document Revision 1 0 remain disabled the motor drivers ignore the step and direction inputs the switched AC output is de energized and the two control outputs on J6 remain low W hen the PMD X 340 detects a valid charge pump it then enables the motor step and direction the switched AC outlet and the J6 outputs The charge pump signal helps prevent unexpected machine movement while the PC is booting up or running software other than your CNC program Require Charge Ignore Charge Pump outputs Pump outputs only enabled when always enabled2. Quick Start Guide Document Revision 1 0 2 0 Package Contents Each PMD X 340 is shipped with the following items leach PMD X 340 4each 4 position plug in screw terminal for motor connections J1 through J4 2 each 5 position plug in screw terminal for inputs and outputs J5 and J6 leach Standard US style IEC 3 prongAC power cord N ote that one of the 5 position terminal strips comes with a wire from pins 4 to 5 This connector should be plugged in to J5 to ground the EStop input and allow the PMD X 340 to operate See sections 4 4 and 5 6 for more information 3 0 Front Panel The front panel has the Emergency Stop EStop switch several LED indicators and the cooling fan filter 3 1 LED Descriptions Emergency Stop On when the EStop switch is pressed OR when the Estop input on connector J5 on the rear panel is NOT grounded OR when the PMD X 340 is in Test mode OR when the PMD X 340 has detected an error condition W hen this LED is on the PMD X 340 disables all of its outputs and asserts the EStop signal on pin 10 of the parallel port O utput Enabled On when the outputs are enabled and motor movement is allowed O ff when eel outputs are disabled usually when the charge pump signal is not present see section 5 5 Shows the state of the Probe Pin15 input AC Outlet On when the Switched AC Outlet on the rear panel is energized 3 2 Status LED Flash Patterns The Status LED uses different flash patterns
3. no EStop and with unless EStop charge pump active 5 6 Input and Output Connections Use the two provided 5 pin screw terminal connectors to connect he PMD X 340 to any EStop switch TTL level outputs or inputs for your system O ne of the 5 pin connectors comes with a wire installed from pin 4 to pin 5 This connector should be installed in J5 so that the EStop signal is grounded This allows you to test the PMD X 340 and your motor connections before connecting an external EStop circuit if you plan to use one Please see the PMDX 340 User s Manual for more information on using the input and output signals 5 7 Mini Phone Jack Probe Setting The PMD X 340 supports touch probe and or touch plate inputs on J6 pin 4 and the mini phone jack input N ote that the J6 pin 4 input can be used as a general purpose input if you are not using a touch probe Normally O pen W ildhorse cutter touch off or Compatible Mode NPN style sensors or normally normally open closed switches 5 8 AC Mains Voltage The PMD X 340 must be powered from 120VAC 60Hz power The power input module contains two each 8 ampere Slo Blo fuses PMDX 340_QuickStart_10 doc 2013 Practical Micro Design Inc Page 9 of 9 5 August 2013 All Rights Reserved
4. ote 2 below NOTE this terminal is shared with the mini phone jack probe connector J7 Ground common to ground on the Host DB25 connector Note 1 J6 pins 1 2 and 3 have internal pull up resistors to 5V They can be connected through mechanical switches to ground N PN style sensors to ground or driven by TTL CMO S compatible electronics Note 2 J6 pin 4 can have a pull up or pull down resistor depending on the setting of DIP Switch SW 1 switch 7 See section 5 7 for more information 4 6 Mini Phone Jack Probe Connector J7 The PMD X 340 provides a 3 terminal mini phone jack for connecting to various touch probes such as the W ildH orse probe The connections on this phone jack are as follows Phone Jack pin Description Tip 5V from the PMD X 340 current limited to 100mA Ring Signal from the touch probe see note 2 above in section 4 5 Sleeve Ground common to ground on the Host DB25 connector 4 7 Host DB25 connector The PMD X 340 uses a 25 pin D connector to connect to a standard PC parallel port or compatible pulse generator PMDX 340_QuickStart_10 doc 2013 Practical Micro Design Inc Page 5 of 9 5 August 2013 All Rights Reserved PMD X 340 Quick Start Guide Document Revision 1 0 numbers Sigal comment Signal Comment Outlet control energized with OV 4 Step for j2_ 6 Step for j3_ 8 Step for A e 9 Direction for J4 10 E Sto Driven high when the EStop
5. switch is pressed OR the Estop input on J6 is p NOT grounded E III 12 StatusImput_ PT 13 StatusImput_ 5 0 Connecting and Configuring the PMDX 340 5 1 Operating Mode Most systems will use Normal mode with reduced current enabled If your application requires full current to the motors at all times choose Normal mode with full motor current Normal mode with reduced motor Test Mode moving current enabled motor on J1 Normal mode with full motor current Test Mode moving motor on J2 Normal mode with always reduced Test Mode moving motor current motor on J3 N ot Used will generate an error if Test Mode moving selected motor on J4 on SW 1 5 1 1 Normal Mode with Reduced Motor Current In Normal mode with reduced current enabled the motor current for all motors will be reduced to 1 2 of the full motor current after sitting idle for 10 seconds i e no step pulses or when outputs are disabled If outputs are enabled then the PMD X 340 will restore full power to all motors on the next step pulse Outputs can be disabled due to EStop PMD X 340 internal error such as over temperature or PMDX 340_QuickStart_10 doc 2013 Practical Micro De
6. to indicate the state of the unit StatusLED Description S O Outputs are enabled and the motor drivers are in reduced current mode 2 long flashes W aiting for a valid charge pump signal on pin 17 and the motor drivers are in reduced current mode 2 short flashes W aiting for a valid charge pump signal on pin 17 and the motor drivers are in full power mode 3 short flashes then Error condition see Error Code table below some number of flashes If you see a repeating pattern of 3 short flashes followed by some number of flashes this indicates an error The error code is the number of flashes following the 3 short flashes PMDX 340_QuickStart_10 doc 2013 Practical Micro Design Inc Page 3 of 9 5 August 2013 All Rights Reserved PMD X 340 Quick Start Guide Document Revision 1 0 4 Motor driver fault on axis 4 J4 seenotebelow O 5 O ver temperature the internal temperature is too hot and the system has shut down to protect itself 6 Fan stall the cooling fan is either not turning or is turning too slow Invalid operating mode see section 5 1 8 Internal error PD Internal error If more than one motor driver faults at the same time only one of the axis will be reflected in the error flash pattern The motor drivers can fault for motor short circuit over temperature or unplugging a motor with power applied will not damage the driver but will cause a fault 4 0 Rear Pa
7. 340 supports motor currents from 0 8A to 3 0A The J1 and J2 motors always have the same motor current setting controlled by SW 1 switches 1 2 and 3 The J3 motor current is controlled by SW 2 switches 6 7 and 8 and the J4 motor current is controlled by SW 2 switches 3 4 and 5 The motor current settings are shown in the table below PMDX 340_QuickStart_10 doc 2013 Practical Micro Design Inc Page 7 of 9 5 August 2013 All Rights Reserved PMD X 340 Quick Start Guide Document Revision 1 0 Jl and J2 Motor Current J3 Motor Current J4 Motor Current Motor Current 32 1 876 543 3 0 Amps full 1 5 Amps reduced OnSW1 on SW 2 on SW 2 1 6 2 8 Amps full 1 4 Amps reduced onSW1 on SW 2 on SW 2 3 3 U 3 2 2 J 87 543 8 Spa 2 6 Amps full 6 Amps fu 4 L I 1 3 Amps reduced on SW 1 on SW 2 on SW 2 8 6 i 1 1 2 4 Amps full 1 2 Amps reduced i 2 2 Amps full 1 1 Amps reduced 2 0 Amps full 1 0 Amps reduced
8. PMDX 340 4 Axis CNC Machine Controller Quick Start Guide Document Revision 1 0 Date 5 August 2013 Revision B6 and C2 PMD X 9704 D Gunston Cove Rd Lorton VA 22079 2366 USA PMD X 340_QuickStart_10 doc 5 August 2013 W eb http www pmdx com Phone 1 703 372 2975 FAX 1 703 372 2977 2013 Practical Micro Design Inc Page 1 of 9 All Rights Reserved PMD X 340 Quick Start Guide Document Revision 1 0 1 0 Overview This document describes the configuration and operation of the PMD X 340 This document pertains to revision B6 and C2 of the PMD X 340 marked on the label on the bottom of the box 1 1 Important Safety Information The PMD X 340 is a compact controller optimized of ease of integration into a user s CNC machine It is solely the purchaser s responsibility to assure that the system is configured in a manner consistent with applicable safety requirements Practical Micro Design Inc does not control how this board is integrated into the purchaser s system and cannot be responsible for guaranteeing the safety of your system The PMD X 340 is not guaranteed to be fail safe The system into which the PMD X 340 is installed should provide fail safe protection and emergency stop capability The PMD X 340 contains circuitry that may be connected to dangerous voltages Care must be taken that user cannot come in contact with these voltages An enclosure that allows for modest ventilation but prevents in
9. e PC knows it cannot control the machine The PMD X 340 will also turn on the EStop LED on the front panel To run amotor in while in test mode press and hold the Test button The motor will run as long as the button is pressed Release the button to stop the motor The next time you press the Test button the motor will run in the other direction For additional information about test mode please see the PMDX 340 Users Manual 5 2 Motor Connections Use the provided 4 pin screw terminals to connect your motors connectors J1 through J4 on the PMD X 340 The left two terminals marked A and A bar connect to one phase of the stepper motor and the right two terminals marked B and B bar connect to the other phase At this point the polarity of the motor wiring does not matter If the motor spins in the opposite direction from what you want then you can either swap the wires on one phase of the motor i e swap the A and A bar wires or you can change the polarity of the direction signal in your CNC software W hen configuring your CNC software the step and direction signals for the four axis map to the following parallel port pins Parallel Port Pin Numbers Connect nnector Axis StepPin Direction Pin l usually X axis 2 3 2 usually Y axis 4 5 E usually Z axi 6 7 J4 usually A axis 8 9 5 3 Motor Current Selection The PMDX
10. nel The rear panel has the AC plug and power switch DIP Switches SW 1 and SW 2 for configuring the PMD X 340 a push button switch four 4 pin stepper motor connectors J1 J2 J3 and J4 two 5 pin input and output signal connectors J5 and J6 and the Switched AC outlet 4 1 DIP Switches The PMD X 340 has two 8 position DIP switches that are used to configure various aspects the its operation SW1 Description id 8 Charge Pump Enable see section 5 5 7 Pin 15 Probe input configuration see section 5 7 SW2 Description _ _ Motor current for J3 see section 5 3 5 4 3 Motor current for J4 see section 5 3 Micro Step mode see section 5 4 O perating Mode see section 5 1 3 2 1 Motor current for J1 and J2 see section 5 3 The default setting of all DIP switches in the up or off position gives the following configuration e All motors at 3 0 Amps 1 8th step micro stepping Charge Pump enabled Probe Pin 15 input configured for internal pull up and N PN style sensors N ormal operating mode with reduced current enabled 4 2 Push Button Switch The push button switch is used to tell the PMD X 340 that you have changed the DIP switch settings and also to run test mode see section 5 1 4 4 3 Motor Connectors J1 J2 J3 and J4 The PMDX 340 has four 4 motor connectors labeled J1 J2 J3 and J4 The rear panel for each connector is labeled as shown here J1 is shown a
11. s an example but all four are the AA BoB same The left two terminals marked A and A bar connect to one phase of the stepper motor and the right two terminals marked B and B bar connect to the J1 other phase See section 5 2 for more information on connecting you motors PMDX 340_QuickStart_10 doc 2013 Practical Micro Design Inc Page 4 of 9 5 August 2013 All Rights Reserved PMD X 340 Quick Start Guide Document Revision 1 0 4 4 EStop and Output Signal Connector J5 J5 provides terminals for an external EStop switch or circuit as well as buffered versions of parallel port pins 14 and 16 J5Pin_ Description o 12V DC external power present only when the PMD X 340 s built in EStop switch is NOT pressed i e pressing the PM DX 340 s EStop switch will remove power from this terminal Buffered TTL version of parallel port pin 14 Buffered TTL version of parallel port pin 16 External EStop switch input NOTE This terminal must be connected to J5 pin 5 to signal NOT EStop and should be open circuit to indicate EStop Ground common to ground on the Host DB25 connector 4 5 Input Signal Connector J6 J6 provides terminals for four external inputs J6Pin_ Description S Parallel port pin 11 input see N ote 1 below Parallel port pin 12 input see N ote 1 below Parallel port pin 13 input see N ote 1 below Parallel port pin 15 input see N
12. sign Inc Page 6 of 9 5 August 2013 All Rights Reserved PMD X 340 Quick Start Guide Document Revision 1 0 fan error or if Require Charge Pump is selected see section 5 5 and there is no valid charge pump signal coming into the PMD X 340 on parallel port pin 17 5 1 2 Normal Mode with Full Motor Current In Normal mode with full motor current the motor current for all motors will be the full selected current when outputs are enabled even when there are no step pulses W hen outputs are disabled the motor current will be reduced to 1 2 of the full motor current Outputs can be disabled due to EStop PMD X 340 internal error such as over temperature or fan error or if Require Charge Pump is selected see section 5 5 and there is no valid charge pump signal coming into the PMD X 340 on parallel port pin 17 5 1 3 Normal Mode with Always Reduced Motor Current W hen in Normal mode with always reduced current the motor current will always be reduced to 1 2 of the full motor current This mode should be used when driving smaller motors that require less than 1 6 Amps 5 1 4 Test Mode The PMD X 340 test modes allow the PMD X 340 to generate step and direction signals to drive the motors locally without needing aPC and CNC software This allows the user to verify their motor wiring without having to have the CNC software configured W hile in test mode the PMD X 340 will assert EStop to the PC so that th
13. trusion by operator s hands and foreign objects especially conductive byproducts of machining operations should be utilized with this board Interlock switches on power circuits should remove power when the enclosure is opened Automated machine tools into which the PMD X 340 may be integrated can cause injury Precautions should be taken to assure that operators are trained in their proper operation and safety procedures and that they are protected from moving parts that may be under remote control and may move unexpectedly This product may not be used in life support or other critical safety applications 1 2 Warranty Summary The PMD X 340 is warranted against failure due to defective parts or workmanship for 90 days from the date of sale NOTE Ifyou have an item requiring service please see the W arranty and Repairs page on the PMDX web site http www pmdx com for return instructions 1 3 Trademarks The following product names used in this manual are the trademark tradename or registered mark of the respective companies Product Names Company LinuxCN C Linux CNC http www linuxcnc org Mach3 N ewfangled Solutions http www machsupport com 1 4 Updates to This Manual and Application Notes Check the PMD X web site for revisions or updates to this manual http www pmdx com PMDX 340_QuickStart_10 doc 2013 Practical Micro Design Inc Page 2 of 9 5 August 2013 All Rights Reserved PMD X 340
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