Leadshine Technology DM422 User Manual
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Leadshine Technology DM422 User Manual

Fully digital stepping driver
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User's Manual
The content in this manual has been carefully prepared and is believed to be accurate, but no
For
responsibility is assumed for inaccuracies.
DM422
Leadshine reserves the right to make changes without further notice to any products herein to
improve reliability, function or design. Leadshine does not assume any liability arising out of the
application or use of any product or circuit described herein; neither does it convey any license
Fully Digital Stepping Driver
under its patent rights of others.
Version 1.0
Leadshine's general policy does not recommend the use of its products in life support or aircraft
©2009 All Rights Reserved
applications wherein a failure or malfunction of the product may directly threaten life or injury.
Attention: Please read this manual carefully before using the driver!
According to Leadshine's terms and conditions of sales, the user of Leadshine's products in life
support or aircraft applications assumes all risks of such use and indemnifies Leadshine against all
damages.
3/F, Block 2, Nanyou Tianan Industrial Park, Nanshan Dist, Shenzhen, China
©2009 by Leadshine Technology Company Limited.
All Rights Reserved
T: (86)755-26434369
F: (86)755-26402718
Web site:
www.leadshine.com
E-Mail:
sales@leadshine.com

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Summary of Contents for Leadshine Technology DM422

  • Page 1 Leadshine against all damages. 3/F, Block 2, Nanyou Tianan Industrial Park, Nanshan Dist, Shenzhen, China ©2009 by Leadshine Technology Company Limited. All Rights Reserved T: (86)755-26434369 F: (86)755-26402718 Web site: www.leadshine.com...

  • Page 2: Table Of Contents

    Contents Contents Dynamic current setting ................9 Table of Contents Standstill current setting................10 1. Introduction, Features and Applications..............1 8. Wiring Notes ......................10 Introduction ......................1 9. Typical Connection....................10 Features ......................... 1 10. Sequence Chart of Control Signals ............... 11 Applications ......................

  • Page 3: Introduction, Features And Applications

    Logic signal current easy-to-use. The driven motors can run with much smaller noise, lower heating, smoother Pulse input frequency movement than most of the drivers in the markets. Its unique features make the DM422 an ideal Isolation resistance MΩ solution for applications that require low-speed smoothness. Compared to the DM432, the DM422 has smaller size and lower cost.

  • Page 4: Operating Environment And Other Specifications

    DM422 Digital Stepping Driver Manual V1.0 Operating Environment and other Specifications Selecting Active Pulse Edge and Control Signal Mode The DM422 supports PUL/DIR and CW/CCW modes and pulse active at rising or falling edge. See Cooling Natural Cooling or Forced cooling Avoid dust, oil fog and corrosive gases more information about these settings in Section 13.

  • Page 5: Connecting The Motor

    70% of their rated current to prevent over heating. 5. Connecting the Motor The DM422 can drive any 2-pahse and 4-pahse hybrid stepping motors. Connections to 4-lead Motors 4 lead motors are the least flexible but easiest to wire. Speed and torque will depend on winding Figure 6: 6-lead motor full coil (higher torque) connections inductance.

  • Page 6: Parallel Connections

    7. Selecting Microstep Resolution and Driver Output Current The DM422 can match medium and small size stepping motors (from NEMA frame size 14 to 23) made by Leadshine or other motor manufactures around the world. To achieve good driving Microstep resolutions and output current are programmable, the former can be set from full-step to performances, it is important to select supply voltage and output current properly.

  • Page 7: Current Settings

    DM422 Digital Stepping Driver Manual V1.0 DM422 Digital Stepping Driver Manual V1.0 Microstep Steps/rev.(for 1.8°motor) Standstill current setting 1 to 512 Default/Software configured SW4 is used for this purpose. OFF meaning that the standstill current is set to be half of the selected...

  • Page 8: Sequence Chart Of Control Signals

    DM422 Digital Stepping Driver Manual V1.0 11. Protection Functions To improve reliability, the driver incorporates some built-in protection functions. The DM422 uses one RED LED to indicate what protection has been activated. The periodic time of RED is 3 s (seconds), and how many times the RED turns on indicates what protection has been activated.

  • Page 9: Frequently Asked Questions

    DM422 Digital Stepping Driver Manual V1.0 DM422 Digital Stepping Driver Manual V1.0 12. Frequently Asked Questions Problem Symptoms and Possible Causes In the event that your driver doesn’t operate properly, the first step is to identify whether the problem Symptoms Possible Problems is electrical or mechanical in nature.

  • Page 10: Professional Tuning Software Protuner

    This section will provide an overview of connection and basic setup instructions for Leadshine’s digital stepping driver DM422 using the ProTuner software. These instructions will walk you through the following steps necessary to start up your driver and motor. This section is intended for setting up the driver with the ProTuner.
  • Page 11 DM422 Digital Stepping Driver Manual V1.0 DM422 Digital Stepping Driver Manual V1.0 Figure 14: Installation folder settings Figure 16: Installation information summarization Figure 15: Shortcut folder setting Figure 17: Installing the ProTuner Set the “Shortcut Folder” in Figure 15 and continue to install the ProTuner by following Figure 16 and Figure 17.

  • Page 12: Connections And Testing

    Ø Option Turn on the power supply, the green (Power) LED will light. The DM422 has default parameters The user can choose three drop-down menus by clicking “Option”, including Com Config, stored in the driver. If the system has no hardware and wirings problem, the motor should be locked SaveToDriver and Exit.

  • Page 13: Com Config Window

    DM422 Digital Stepping Driver Manual V1.0 DM422 Digital Stepping Driver Manual V1.0 Exit: Exit the ProTuner. Com Config Window Figure 21: RS232 communication configuration window Figure 22: Current Tuning window Serial Port: Select the serial communication port to which the driver is connected. The factory default Ki: Integral Gain.

  • Page 14: Anti-Resonance Introduction

    This feature requires that the driver be configured with respect to the total inertia in the system. If set then Motor self-test and parameter auto-setup technology of the DM422 can replace manual tuning improperly, the effectiveness of the feature may be diminished.

  • Page 15: Procedure For Achieving Optimum Performance

    DM422 Digital Stepping Driver Manual V1.0 DM422 Digital Stepping Driver Manual V1.0 ResonanceArea: Parameters for 3 resonance area. Usually between 2.4rps and 4.8rps. Default making it more difficult to find proper adjustment values. Optimum AMP(s) and Phase(s) values may Amp3 and Phase3 values are 128.
  • Page 16 DM422 Digital Stepping Driver Manual V1.0 DM422 Digital Stepping Driver Manual V1.0 exceeds 16A. OverVoltage: Over-voltage Protection. When power supply voltage exceeds 42±1 VDC, protection will be activated. PhaseErr: Phase Error Protection. Motor power lines wrong & not connected will activate this protection.

  • Page 17: Appendix

    Please include a written description of the problem along with contact name and address. Send failed product to distributor in your area or: Leadshine Technology Co., Ltd. 3/F, Block 2, Nanyou Tianan Industrial Park, Nanshan Dist, Shenzhen, China. Also enclose information regarding the circumstances prior to product failure.

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