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Summary of Contents for Leadshine Technology DM503
- Page 1 Specification and User Manual DM503 Digital 2-Phase Stepper Drive Version 1.0 ©2013 All Rights Reserved 3/F, Block 2, Nanyou Tianan Industrial Park, Nanshan Dist, Shenzhen, China T: (86)755-26409254 F: (86)755-26402718 Web site: www.leadshine.com E-Mail: sales@leadshine.com...
- Page 2 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. ©2013 by Leadshine Technology Company Limited. All Rights Reserved...
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Page 3: Table Of Contents
Contents Table of Contents 1. Introduction, Features and Applications ........................1 Introduction ................................1 Features ..................................1 Applications ................................1 2. Specifications................................1 Electrical Specifications ............................1 Operating Environment and other Specifications ..................... 2 Mechanical Specifications ............................2 Elimination of Heat..............................2 3. - Page 4 DM503 Fully Digital Stepper Drive Manual V1.0 Warranty Limitations .............................. 12 Contact Us ..................................13...
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Page 5: Introduction, Features And Applications
1. Introduction, Features and Applications Introduction The DM503 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 6: Operating Environment And Other Specifications
DM503 Fully Digital Stepper Drive Manual V1.0 Operating Environment and other Specifications Cooling Natural Cooling or Forced cooling Avoid dust, oil fog and corrosive gases Environment － 50 Ambient Temperature 40%RH － 90%RH Operating Environment Humidity 70 Max Operating Temperature 5.9m/s... -
Page 7: Pin Assignment And Description
Selecting Active Pulse Edge or Active Level and Control Signal Mode There are two jumpers J1 and J3 inside the DM503 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 upward-rising edge active. -
Page 8: Connector P2 Configurations
4. Control Signal Connector (P1) Interface The DM503 can accept differential and single-ended inputs (including open-collector and PNP output). The DM503 has 3 optically isolated logic inputs which are located on connector P1 to accept line driver control signals. These inputs are isolated to minimize or eliminate electrical noises coupled onto the drive control signals. -
Page 9: Connections To 6-Lead Motors
DM503 Fully Digital Stepper Drive Manual V1.0 Connections to 6-lead Motors Like 8 lead stepping motors, 6 lead motors have two configurations available for high speed or high torque operation. The higher speed configuration, or half coil, is so described because it uses one half of the motor’s inductor windings. -
Page 10: Parallel Connections
6. Power Supply Selection The DM503 can match medium and small size stepping motors (from NEMA frame size 17 to 34) 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 11: Selecting Supply Voltage
DM503 Fully Digital Stepper Drive Manual V1.0 Selecting Supply Voltage The power MOSFETS inside the DM503 can actually operate within +20 ~ +50VDC, including power input fluctuation and back EMF voltage generated by motor coils during motor shaft deceleration. Higher supply voltage can increase motor torque at higher speeds, thus helpful for avoiding losing steps. -
Page 12: Dynamic Current Setting
Leadshine. Auto Tuning by SW4 The DM503 can identify the driven stepper motor and automatically configure the current loop for optical performance. Change the modes switch SW4 two times (ON->OFF->ON, or OFF->ON-OFF) in one second after powering up. The motor parameter will be identified and the drive’s current loop parameters are calculated automatically. -
Page 13: Wiring Notes
It is prohibited to pull and plug connector P2 while the driver is powered ON due to the high current flowing in motor coils (even when motor is at standstill). Pulling or plugging connector P2 with power on will result in extremely high back-EMF voltage, which may damage the DM503 stepper drive. 9. Typical Connection A complete stepping system should include stepping motor, stepping driver, power supply and controller (pulse generator). -
Page 14: Sequence Chart Of Control Signals
DM503 Fully Digital Stepper Drive Manual V1.0 10. Sequence Chart of Control Signals In order to avoid some fault operations and deviations, PUL, DIR and ENA should abide by some rules, shown as following diagram: Figure 11: Sequence chart of control signals Remark: t1: ENA must be ahead of DIR by at least 5s. -
Page 15: Frequently Asked Questions
DM503 Fully Digital Stepper Drive Manual V1.0 12. Frequently Asked Questions In the event that your driver 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. -
Page 16: Appendix
(RMA) before returning product for service. 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,... - Page 17 DM503 Fully Digital Stepper Drive Manual V1.0 Contact Us China Headquarters Address: 3/F, Block 2, Nanyou Tianan Industrial Park, Nanshan District Shenzhen, China Web: http://www.leadshine.com Sales Hot Line: Tel: 86-755-2643 4369 (for All) 86-755-2641-7674 (for Asia, Australia, Africa areas) 86-755-2640-9254 (for Europe, America areas) Fax: 86-755-2640-2718 Email: sales@leadshine.com.