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User Manual

DMA882S

2-Phase Digital Stepper Drive

Revision 1.0

© 2016 China Leadshine Technology Co., Ltd.

Address:

Floor 11, Block A3, Nanshan iPark, Xueyuan Avenue 1001, Shenzhen, Guangdong, 518055, China

Tel:

(86)755-26409254

Fax:

(86)755-26402718

Web:

www.leadshine.com

Sales:

[email protected]

Support:

[email protected]

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Summary of Contents for DMA882S

Page 1: ...ision 1 0 2016 China Leadshine Technology Co Ltd Address Floor 11 Block A3 Nanshan iPark Xueyuan Avenue 1001 Shenzhen Guangdong 518055 China Tel 86 755 26409254 Fax 86 755 26402718 Web www leadshine com Sales sales leadshine com Support tech leadshine com ...

Page 2: ... otherwise without approval from Leadshine While every precaution has been taken in the preparation of the book Leadshine assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the information contained herein This document is proprietary information of Leadshine that is furnished for customer use ONLY Information in this document i...

Page 3: ...5 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 6 5 3 2 Parallel Connection 6 6 Power Supply Selection 6 6 1 Regulated or Unregulated Power Supply 6 6 2 Power Supply Sharing 7 6 3 Selecting Supply Voltage 7 7 DIP Switch Configurations 7 7 1 Microstep Resolution Configurations 7 8 2 Output Current Configurations 8 8 2 1 Dyn...

Page 4: ...ment Optically isolated inputs Input voltage 18 80VAC or 24 110VDC 16 selectable micro step resolutions of 400 51 200 via DIP switches 8 selectable output current settings of 2 1 8 2A RMS 1 5 6 0 A 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 DMA882S s...

Page 5: ... F 149 F Weight Approx 510g 1 13 lbs 2 3 Mechanical Specifications unit mm 1inch 25 4mm Side mounting recommended for better heat dissipation 2 4 Elimination of Heat DMA882S 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 pin of DIP switch at OFF position It is recommended to mount the drive vertica...

Page 6: ...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 for enabling By default it is left UNCONNECTED ENABLED ENA ALM Fault Signal An OC output signal which is ac...

Page 7: ...e control signals Recommend using line drive control signals to increase noise immunity for the drive in interference environments In the following figures connections to open collector and PNP signals are illustrated Controller Control Signal Connector VCC 5 24V 5V recommended Fault 5V ALM 1 2 ALM Status Signal Connector DMA882S PUL 1 DIR 3 PUL DIR 2 4 ENA 5 ENA 6 5 24V 5V recommended Step Direct...

Page 8: ...utput will be more stable at higher speeds This configuration is also referred to as half chopper In setting the drive output current multiply the specified per phase or unipolar current rating by 1 4 to determine the peak output current Figure 5 6 lead motor half coil higher speed connections 5 2 2 Full Coil Configuration The full coil configuration on a six lead motor should be used in applicati...

Page 9: ...utput current determines the output torque of the driven motor particularly at lower speed Higher supply voltage will allow higher motor speed to be achieved at the price of more noise and heating If the motion speed requirement is low it s better to use lower supply voltage to decrease noise heating and improve reliability 6 1 Regulated or Unregulated Power Supply Both regulated and unregulated p...

Page 10: ... deceleration needs also to be taken into account Please make sure leaving enough room for power line voltage fluctuation and back EMF voltage charge back Higher supply voltage can increase motor torque at higher speeds thus helpful for avoiding losing steps However higher voltage may cause bigger motor vibration at lower speed and it may also cause over voltage protection or even drive damage The...

Page 11: ...ynamic Current Configurations Peak Current RMS Current SW1 SW2 SW3 2 1A 1 48A on on on 2 7A 1 93A off on on 3 6A 2 57A on off on 4 6A 3 29A off off on 5 5A 3 93A on on off 6 4A 4 57A off on off 7 3A 5 21A on off off 8 2A 5 86A off off off Notes Due to motor inductance the actual current in the coil may be smaller than the dynamic current setting particularly under high speed condition 8 2 2 Idle C...

Page 12: ...als generated by motor will easily disturb pulse direction signals causing motor position error system instability and other failures If only one power supply serves multiple DMA882S drives separately connecting the drives to the power supply is recommended instead of daisy chaining It is prohibited to pull and plug connector P2 while the drive is powered ON because there is high current flowing t...

Page 13: ...S Stepper Motor Figure 10 Typical connection 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 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 ...

Page 14: ...ce wave of red LED Description 1st 1 Over current protection activated when peak current exceeds the limit 2nd 2 Over voltage protection activated when drive working voltage is greater than 160VDC 3nd 3 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 ...

Page 15: ...s can be traced to electrical noise controller software errors or mistake in wiring Problem Symptoms and Possible Causes Symptoms Possible Problems Motor is not rotating No power Microstep resolution setting is wrong DIP switch current setting is wrong Fault condition exists The drive is disabled Motor rotates in the wrong direction Motor phases may be connected in reverse The drive in fault DIP s...

Page 16: ...ice Shipping Failed Products If your product fail during the warranty period please contact your seller for how and where to ship the failed product for warranty or repair services first you can also e mail customer service at tech leadshine com to obtain a returned material authorization number RMA before returning product for service Please include a written description of the problem along with...

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