StepperOnline DM860T User Manual
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StepperOnline DM860T User Manual

Fully digital stepper drive
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User's Manual
For
DM860T
Fully Digital Stepper Drive
Version 1.0
Designed by StepperOnline®
Manufactured by Leadshine®
©2017 All Rights Reserved Attention: Please read this manual
carefully before using the drive!
#7 Zhongke Road, Jiangning, Nanjing, China
T: 0086-2587156578
Web site:
www.omc-stepperonline.com
E-Mail:
sales@stepperonline.com

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Summary of Contents for StepperOnline DM860T

  • Page 1 User’s Manual DM860T Fully Digital Stepper Drive Version 1.0 Designed by StepperOnline® Manufactured by Leadshine® ©2017 All Rights Reserved Attention: Please read this manual carefully before using the drive! #7 Zhongke Road, Jiangning, Nanjing, China T: 0086-2587156578 Web site: www.omc-stepperonline.com E-Mail: sales@stepperonline.com...

  • Page 2: Table Of Contents

    Full Digital Stepper Drive DM860T Table of Contents 1. Introduction, Features and Applications......................... 1 Introduction................................. 1 Features..................................1 Applications.................................1 2. Specifications.................................. 1 Electrical Specifications (T = 25℃/77℉)......................... 1 Operating Environment and other Specifications.......................2 Mechanical Specifications (unit: mm [1inch=25.4mm])....................2 Elimination of Heat..............................2 3.

  • Page 3: Introduction, Features And Applications

    1. Introduction, Features and Applications Introduction The DM860T is a fully digital stepper drive developed with advanced DSP control algorithm based on the latest motion control technology. It has achieved a unique level of system smoothness, providing optimal torque and nulls mid-range instability.

  • Page 4: Operating Environment And Other Specifications

    Full Digital Stepper Drive DM860T Operating Environment and other Specifications Cooling Natural Cooling or Forced cooling Environment Avoid dust, oil fog and corrosive gases 0℃ － 65℃ Ambient Temperature 40%RH － 90%RH Operating Environment Humidity -10℃ － 45℃ Operating Temperature 10-55Hz/0.15mm...

  • Page 5: Pin Assignment And Description

    Selecting Valid Pulse Edge,Direction and Control Signal Mode There are three jumpers J1,J2 and J3 inside the DM860T specifically for selecting control mode, direction a n d v a l i d p u l s e e d g e , as shown in figure 2. Default setting are t h a t J 1 i s s h o r t c i r c u i t and J2 J3 are open circuit .

  • Page 6: Control Signal Connector (P1) Interface

    4. Control Signal Connector (P1) Interface The DM860T can accept differential and single-ended inputs (including open-collector and PNP output). The DM860T has 3 optically isolated logic inputs which are located on connector P1 to accept line drive control signals. These inputs are isolated to minimize or eliminate electrical noises coupled onto the drive control signals.

  • Page 7: Full Coil Configurations

    Full Digital Stepper Drive DM860T Figure 6: 6-lead motor half coil (higher speed) connections Full Coil Configurations The full coil configuration on a six lead motor should be used in applications where higher torque at lower speeds is desired. This configuration is also referred to as full copper. In full coil mode, the motors should be run at only 70% of their rated current to prevent over heating.

  • Page 8: Power Supply Selection

    Full Digital Stepper Drive DM860T 6. Power Supply Selection The DM860T can match medium and small size stepping motors (frame size from NEMA24 to 34). To achieve good driving performances, it is important to select supply voltage and output current properly. Generally speaking, supply voltage determines the high speed performance of the motor, while output current determines the output torque of the driven motor (particularly at lower speed).

  • Page 9: Current Settings

    Full Digital Stepper Drive DM860T Microstep Steps/rev.(for 1.8°motor) 1600 3200 6400 12800 25600 51200 1000 2000 4000 5000 8000 10000 20000 40000 Current Settings For a given motor, higher drive current will make the motor to output more torque, but at the same time causes more heating in the motor and drive.

  • Page 10: Standstill Current Setting

    Full Digital Stepper Drive DM860T Standstill Current Setting SW4 is used for this purpose. OFF meaning that the standstill current is set to be half of the selected dynamic current, and ON meaning that standstill current is set to be the same as the selected dynamic current.

  • Page 11: Protection Functions

    Full Digital Stepper Drive DM860T following diagram: Figure 11: Sequence chart of control signals Remark : a)t1: ENA must be ahead of DIR by at least 5s. Usually, ENA+ and ENA- are NC (not connected). See “Connector P1 Configurations” for more information.

  • Page 12: Frequently Asked Questions

    Full Digital Stepper Drive DM860T 12. Frequently Asked Questions In the event that your drive doesn’t operate properly, the first step is to identify whether the problem is electrical or mechanical in nature. The next step is to isolate the system component that is causing the problem. As part of this process you may have to disconnect the individual components that make up your system and verify that they operate independently.

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