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User Manual
EM1 series
2-Phase Digital Stepper Drive
Hardware Version 1.0
Manual Revision 1.0
©2024 China Leadshine Technology Co., Ltd.
Address: 15-20/F, Block B, Nanshan I Valley, No.3185, Shahe West Road, Nanshan District,
Shenzhen, Guangdong, 518055, China
Tel: (86)755-26409254
Fax: (86)755-26402718
Web:
www.leadshine.com
Sales:
sales@leadshine.com
Support:
tech@leadshine.com
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Summary of Contents for Leadshine EM1 Series
- Page 1 User Manual EM1 series 2-Phase Digital Stepper Drive Hardware Version 1.0 Manual Revision 1.0 ©2024 China Leadshine Technology Co., Ltd. Address: 15-20/F, Block B, Nanshan I Valley, No.3185, Shahe West Road, Nanshan District, Shenzhen, Guangdong, 518055, China Tel: (86)755-26409254 Fax: (86)755-26402718 Web: www.leadshine.com...
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Page 2: Record Of Revisions
Strictly adhere to the technical information regarding installation requirements. This manual is not for use or disclosure outside of Leadshine except under permission. All rights are reserved. No part of this manual shall be reproduced, stored in retrieval form, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise without approval from Leadshine. -
Page 3: Table Of Contents
EM1 Series Digital Stepper Drive User Manual Table of Contents 1. Features ................................... 1 2. Specifications .................................. 1 2.1 Electrical Specifications ............................1 2.2 Environment ................................2 2.3 Mechanical Specifications ............................. 2 2.4 Elimination of Heat ..............................3 3. Connection Pin Assignments and LED Indication ..................... 3 3.1 P1 - Control Connector ............................ -
Page 4: Features
EM1 Series Digital Stepper Drive User Manual 1. Features Step & direction (PUL/DIR) control Input voltage 20-50VDC (recommended 24-48VDC) 500 KHz max pulse input frequency 15 microstep resolutions of 400-25000 via DIP switches 7 output current settings of 1.0-4.2A via DIP Switches ... -
Page 5: Environment
EM1 Series Digital Stepper Drive User Manual 2.2 Environment Cooling Natural Cooling or Forced cooling Environment Avoid dust, oil fog and corrosive gases Humidity 40%RH－90%RH Operating Environment Operating Temperature 0°C － 40°C (32°F - 109°F) Vibration 10-50Hz / 0.15mm Storage Temperature -20°C －... -
Page 6: Elimination Of Heat
EM1 Series Digital Stepper Drive User Manual 2.4 Elimination of Heat EM1 reliable working temperature should be < 40℃ (109°F) It is recommended to use automatic idle-current mode to reduce motor heating. That means set the SW4 pin of ... -
Page 7: P2 - Fault Output Connector
The P4 connector in Figure 3 is a RS232 communication port for PC connection. Refer to the following pin definitions. It is just used to modify parameter, not for equipment control because neither precision nor stability is sufficient. If you need a field bus drive, use a Leadshine RS485 or EtherCAT type drives The interface definition is as follows:... -
Page 8: Control Signal And Output Signal
EM1 Series Digital Stepper Drive User Manual RED one is a protection indicator which will flash 1-2 times in a 3-second period, when protection enabled for a EM1. Different number of flashes indicates different protection type (read section 11 for detail). - Page 9 EM1 Series Digital Stepper Drive User Manual Figure 6 Fault Connection 4.3 Wiring method of motor with brake Relay wiring refers to the pictures below. Because the coil of brake and relay are sensitive load, it is recommended to diode,...
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Page 10: Motor Connection
EM1 Series Digital Stepper Drive User Manual 5. Motor Connection The EM1 can drive 2-phase and 4-pahse bipolar hybrid stepper motors. The 4 lead motors are the least flexible and easy to connect. The output current from drive that is multiply the specified phase current by 1.4 to determine the peak output current. - Page 11 EM1 Series Digital Stepper Drive User Manual filter time, double pulse mode, limit pulse frequency 500 kHz (default 200 kHz), etc 7.1 Dip switches 1 Output Current Idle Current Microstep 1） driver output current setting （DIP Switches SW1~SW3） ■ EM1-542 Drive current Peak （A）...
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Page 12: Microstep Resolution Configurations
EM1 Series Digital Stepper Drive User Manual Illustrate: When SW1~3 are OFF, the driving current can be set by the debugging software. 2） Idle Current Configuration SW4 is used to set motor idle current percentage. At OFF position it means the standstill current is set to be 50% of the selected output current. -
Page 13: Idle Current Configuration
EM1 Series Digital Stepper Drive User Manual other switch function settings 2） （SW11~16） Dip Switch Function Description SW11=ON：The motor is not self-tuning when powered on, and the default parameters auto-tuning setting SW11 are used； SW11=OFF：Self-tuning of the motor at power-on (factory default)。... -
Page 14: Sequence Chart Of Control Signals
EM1 Series Digital Stepper Drive User Manual Figure 8 Typical Connections 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 9... - Page 15 EM1 Series Digital Stepper Drive User Manual Time(s) of Priority Sequence wave of red LED Description Blink Over-current protection activated when peak current exceeds the limit. Over-voltage protection activated when drive working voltage is greater than 60VDC Reserved. When above protections are active, the motor shaft will be free or the red LED blinks. Reset the drive by repowering it to make it function properly after removing above problems.
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Page 16: Troubleshooting
EM1 Series Digital Stepper Drive User Manual 12. Troubleshooting 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. -
Page 17: Warranty
Leadshine Technology Co., Ltd. warrants its products against defects in materials and workmanship for a period of 12 months from shipment out of factory. During the warranty period, Leadshine will either, at its option, repair or replace products which proved to be defective.
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