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Leadshine Technology MA860H User Manual

High performance microstepping driver
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The content in this manual has been carefully prepared and is believed to be accurate, but no
User's Manual
responsibility is assumed for inaccuracies.
For
Leadshine reserves the right to make changes without further notice to any products herein to
MA860H
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
under its patent rights of others.
High Performance Microstepping Driver
Leadshine's general policy does not recommend the use of its products in life support or aircraft
Version 1.0
applications wherein a failure or malfunction of the product may directly threaten life or injury.
©2009 All Rights Reserved
According to Leadshine's terms and conditions of sales, the user of Leadshine's products in life
Attention: Please read this manual carefully before using the driver!
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
T: (86)755-26434369
F: (86)755-26402718
©2009 by Leadshine Technology Company Limited.
All Rights Reserved
Web site:
www.leadshine.com
E-Mail:
sales@leadshine.com

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Summary of Contents for Leadshine Technology MA860H

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

  • Page 2: Table Of Contents

    Contents Contents Table of Contents Standstill current setting................9 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 ......................1 11.

  • Page 3: Introduction, Features And Applications

    MA860H Microstepping Driver Manual V1.0 MA860H Microstepping Driver Manual V1.0 Operating Environment and other Specifications 1. Introduction, Features and Applications Cooling Natural Cooling or Forced cooling Introduction Avoid dust, oil fog and corrosive gases Environment The MA860HH is a high performance microstepping driver based on pure-sinusoidal current 0 ℃...

  • Page 4: Elimination Of Heat

    Selecting Effective Pulse Edge or Effective Level and Control Signal Mode There are two jumpers J1 and J3 inside the MA860H specifically for selecting active pulse edge or effective level and control signal mode, as shown in figure 2. Default setting is PUL/DIR mode and...

  • Page 5: Connecting The Motor

    5. Connecting the Motor motors should be run at only 70% of their rated current to prevent over heating. The MA860H 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 7: 6-lead motor full coil (higher torque) connections inductance.

  • Page 6: Parallel Connections

    This driver uses an 8-bit DIP switch to set microstep resolution, and motor operating current, as shown below: The MA860H can match Large and small size stepping motors (from Nema size 17 to 43) made by Leadshine or other motor manufactures around the world. To achieve good driving performances, it is important to select supply voltage and output current properly.

  • Page 7: Current Settings

    MA860H Microstepping Driver Manual V1.0 MA860H Microstepping Driver Manual V1.0 dynamic current, and ON meaning that standstill current is set to be the same as the selected dynamic 4000 current. 5000 The current automatically reduced to 60% of the selected dynamic current one second after the last 8000 pulse.

  • Page 8: Sequence Chart Of Control Signals

    MA860H Microstepping Driver Manual V1.0 MA860H Microstepping Driver Manual V1.0 10. Sequence Chart of Control Signals Short Circuit Protection In order to avoid some fault operations and deviations, PUL, DIR and ENA should abide by some Protection will be activated in case of short circuit between motor coils or between motor coil and rules, shown as following diagram: ground.

  • Page 9: Problem Symptoms And Possible Causes

    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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