Leadshine Technology M880A User Manual
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Leadshine Technology M880A User Manual

High performance microstepping 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
responsibility is assumed for inaccuracies.
For
Leadshine reserves the right to make changes without further notice to any products herein to
M880A
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.
©2008 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
©2008 by Leadshine Technology Company Limited.
T: (86)755-26434369
F: (86)755-26402718
All Rights Reserved
Web site:
www.leadshine.com
E-Mail:
sales@leadshine.com

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Summary of Contents for Leadshine Technology M880A

  • Page 1 Leadshine against all damages. 3/F, Block 2, Nanyou Tianan Industrial Park, Nanshan Dist, Shenzhen, China ©2008 by Leadshine Technology Company Limited. T: (86)755-26434369 F: (86)755-26402718 All Rights Reserved Web site: www.leadshine.com...

  • Page 2: Table Of Contents

    Contents Contents Table of Contents Dynamic current setting ................9 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 ......................

  • Page 3: Introduction, Features And Applications

    Avoid dust, oil fog and corrosive gases Environment 0 ℃ － 50 ℃ (32℉ － 122℉) The M880A is a high performance microstepping driver based on pure-sinusoidal current control Ambient Temperature technology. Owing to the above technology and the self-adjustment technology (self-adjust current 40%RH －...

  • Page 4: Elimination Of Heat

    The M880A can accept differential and single-ended inputs (including open-collector and PNP DIR signal: In single-pulse mode, this signal has low/high voltage levels, output). The M880A has 3 optically isolated logic inputs which are located on connector P1 to accept representing two directions of motor rotation; in double-pulse mode (set by DIR+ line driver control signals.

  • 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 M880A 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

    6. Power Supply Selection 7. Selecting Microstep Resolution and Driver Output Current The M880A can match medium and small size stepping motors (from NEMA frame size 17 to 43) made by Leadshine or other motor manufactures around the world. To achieve good driving This driver uses an 8-bit DIP switch to set microstep resolution, and motor operating current, as performances, it is important to select supply voltage and output current properly.

  • Page 7: Current Settings

    M880A Microstepping Driver Manual V1.0 M880A Microstepping Driver Manual V1.0 current. 2000 4000 The current automatically reduced to 60% of the selected dynamic current one second after the last 5000 pulse. Theoretically, this will reduce motor heating to 36% (due to P=I *R) of the original value.

  • Page 8: Sequence Chart Of Control Signals

    M880A Microstepping Driver Manual V1.0 M880A 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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