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User Manual

DM556T

2-Phase Digital Stepper Drive

Designed by StepperOnline®

Manufactured by Leadshine®

©2017 All Rights Reserved

Address:

#7 Zhongke Road, Jiangning, Nanjing, China

Tel:

0086-2587156578

Web:

www.omc-stepperonline.com

Sales:

[email protected]

Support:

[email protected]

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Summary of Contents for DM556T

Page 1: ...Drive Designed by StepperOnline Manufactured by Leadshine 2017 All Rights Reserved Address 7 Zhongke Road Jiangning Nanjing China Tel 0086 2587156578 Web www omc stepperonline com Sales sales stepperonline com Support technical stepperonline com ...

Page 2: ...ctions of 6 lead Motor 4 5 2 1 Half Coil Configuration 5 5 2 2 Full Coil Configuration 5 5 3 Connections of 8 lead Motor 5 5 3 1 Series Connection 5 5 3 2 Parallel Connection 6 6 Power Supply Selection 6 6 1 Regulated or Unregulated Power Supply 6 6 2 Power Supply Sharing 6 6 3 Selecting Supply Voltage 6 7 DIP Switch Configurations 7 7 1 Microstep Resolution Configurations 7 7 2 Current Configurat...

Page 3: ...ovement TTL compatible and optically isolated inputs Input voltage 20 50VDC 16 selectable micro step resolutions of 400 25 600 via DIP switches 8 selectable output current settings of 1 8 5 6A via DIP switches Soft start with no jump when powered on Pulse input frequency up to 200 KHz Automatic idle current reduction Protections for over voltage and over current 1 2 Applications The DM556T stepper...

Page 4: ... 10 50Hz 0 15mm Storage Temperature 20 C 65 C 4 F 149 F Weight Approx 300g 10 6oz 2 3 Mechanical Specifications unit mm 1inch 25 4mm Figure 1 Mechanical specifications Side mounting recommended for better heat dissipation 2 4 Elimination of Heat DM556T reliable working temperature should be 60 140 F It is recommended to use automatic idle current mode to reduce motor heating That means set the SW4...

Page 5: ...motor rotation Minimal direction setup time of 5μs Also swapping the connection of two wires of a coil e g A and A to the drive will reverse motor direction DIR ENA Enable signal This signal is used for enabling disabling the drive High level 5V NPN control signal for enabling the drive and low level for disabling the drive PNP and Differential control signals are on the contrary namely Low level ...

Page 6: ...drive in interference environments In the following figures connections to open collector and PNP signals are illustrated Figure 2 Connections to open collector signal Figure 3 Connections to PNP signal common anode common cathode 5 Motor Connection The DM556T can drive 2 phase and 4 pahse bipolar hybrid stepper motors with 4 6 or 8 wires 5 1 Connections of 4 lead Motor The 4 lead motors are the l...

Page 7: ... six lead motor should be used in applications where higher torque at lower speed 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 overheating Figure 6 6 lead motor full coil higher torque connections 5 3 Connections of 8 lead Motor 8 lead motors offer a high degree of flexibility to the system ...

Page 8: ...t surge and fast response for current change In the case when only normal switching power supplies are available it is important to use OVERSIZE high current output rating power supplies for example using a 4A power supply for 3A stepper motor to avoid problems such as current clamp On the other hand if unregulated supply is used one may use a power supply of lower current rating than that of moto...

Page 9: ...tor SW5 SW6 SW7 SW8 2 400 OFF ON ON ON 4 800 ON OFF ON ON 8 1600 OFF OFF ON ON 16 3200 ON ON OFF ON 32 6400 OFF ON OFF ON 64 12800 ON OFF OFF ON 128 25600 OFF OFF OFF ON 5 1000 ON ON ON OFF 10 2000 OFF ON ON OFF 20 4000 ON OFF ON OFF 25 5000 OFF OFF ON OFF 40 8000 ON ON OFF OFF 50 10000 OFF ON OFF OFF 100 20000 ON OFF OFF OFF 125 25000 OFF OFF OFF OFF 7 2 Current Configurations For a given motor h...

Page 10: ...f Configuration When powered on a DM556T will automatically configure itself with the best settings to match the driven stepper motor for optimal performance No action is needed 8 Wiring Notes In order to improve anti interference performance of the drive it is recommended to use twisted pair shield cable To prevent noise incurred in PUL DIR signal pulse direction signal wires and motor wires shou...

Page 11: ...own as following diagram Figure 10 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 b t2 DIR must be ahead of PUL effective edge by 5 s to ensure correct direction c t3 Pulse width not less than 2 5 s d t4 Low level width not less than 2 5 s 11 Protection Functions To...

Page 12: ...fy that they operate independently It is important to document each step in the troubleshooting process You may need this documentation to refer back to at a later date and these details will greatly assist our Technical Support staff in determining the problem should you need assistance Many of the problems that affect motion control systems can be traced to electrical noise controller software e...

Page 13: ...ip for a period of 12 months from shipment During the warranty period StepperOnline will either at its option repair or replace products which proved to be defective To obtain warranty service a returned material authorization number RMA must be obtained before returning product for service Exclusions The above warranty does not extend to any product damaged by reasons of improper or inadequate ha...

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