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User

s Manual 

For 

DCS303 

Digital Brush DC Servo Driver 

Revision 1.0 

©

2009 All Rights Reserved 

Attention: Please read this manual carefully before using the driver! 

 

3/F, Block 2, Nanyou Tianan Industrial Park, Nanshan Dist, Shenzhen, China 

Tel: (86)755-26434369      Fax: (86)755-26402718 

URL: 

www.leadshine.com

      E-Mail: 

[email protected]

 

 

The content in this manual has been carefully prepared and is believed to be accurate, 

but no responsibility is assumed for inaccuracies. 

Leadshine reserves the right to make changes without further notice to any products 

herein  to  improve  reliability,  function  or  design.  Leadshine  does  not  assume  any 

liability  arising  out  of  the  application  or  use  of  any  product  or  circuit  described 

herein; neither does it convey any license under its patent rights of others.   

Leadshine

s  general  policy  does  not  recommend  the  use  of  its  products  in  life 

support or aircraft applications wherein a failure or malfunction of the product may 

directly  threaten  life  or  injury.  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. 

 

 

 

 

 

 

 

 

©

2009 by Leadshine Technology Company Limited. 

All Rights Reserved

Summary of Contents for DCS303

Page 1: ...e to any products herein to improve reliability function or design Leadshine does not assume any liability arising out of the application or use of any product or circuit described herein neither does...

Page 2: ...r 10 System Connections and Noise Prevention 10 Wire Gauge 10 Cable Routing 11 Contents Tel 86 755 26434369 II Website www leadshine com Twisted Wires 11 Cable Shielding 11 System Grounding 11 Power S...

Page 3: ...g the DCS303 are better than those of digital AC servo systems in velocity precision stability or at least as good as those of digital AC servo systems However the cost of the DCS303 stays at the pric...

Page 4: ...ations and Operating Environment Mechanical Specifications unit mm inch Figure 2 1 Mechanical specifications D DC CS S3 30 03 3 D Di ig gi it ta al l D DC C S Se er rv vo o D Dr ri iv ve er r M Ma an...

Page 5: ...input represents pulse signal 4 5V when PUL HIGH 0 0 5V when PUL LOW For reliable response pulse width should be longer than 2 5 s Series connect resistors for current limiting when using 12V or 24V c...

Page 6: ...e that twisted pair shielded cabling provides the best immunity in electrically noisy environments Figure 3 2 The DCS303 supplies the encoder directly D DC CS S3 30 03 3 D Di ig gi it ta al l D DC C S...

Page 7: ...repare Power Supply Regulated or Unregulated Power Supply Both regulated and unregulated power supplies can be used to supply the driver However unregulated power supplies are preferred due to their a...

Page 8: ...v vo o D Dr ri iv ve er r M Ma an nu ua al l R Re ev v1 1 0 0 Tel 86 755 26434369 11 Website www leadshine com Cable Routing All content sensitive signal wires should be routed as far away from motor...

Page 9: ...t jump off the bench Turn on the power D DC CS S3 30 03 3 D Di ig gi it ta al l D DC C S Se er rv vo o D Dr ri iv ve er r M Ma an nu ua al l R Re ev v1 1 0 0 Tel 86 755 26434369 13 Website www leadshi...

Page 10: ...Se er rv vo o D Dr ri iv ve er r M Ma an nu ua al l R Re ev v1 1 0 0 Tel 86 755 26434369 15 Website www leadshine com 1 If servo system is UNSTABLE then the first thing of tuning is to stabilize the...

Page 11: ...ow See Note ProTuner_All_Setup_V1 0 exe can be used for all Leadshine digital drives User can get it from either Leadshine CD or website Please get the latest version from http www leadshine com D DC...

Page 12: ...ssfully See Figure 6 8 Figure 6 6 Installation information summarization D DC CS S3 30 03 3 D Di ig gi it ta al l D DC C S Se er rv vo o D Dr ri iv ve er r M Ma an nu ua al l R Re ev v1 1 0 0 Tel 86 7...

Page 13: ...r then reversal motor wires or exchange encoder inputs and try again If it s Encoder Error please check encoder and its wirings and then try again If it still doesn t work after you followed all of th...

Page 14: ...al l R Re ev v1 1 0 0 Tel 86 755 26434369 23 Website www leadshine com Figure 6 12 P_parameter tab In P_parameter tab the user can set Position Loop PID parameters Electronic Gear Ratio Position Follo...

Page 15: ...can set the triggered edge of pulse command signal in this panel When the driver works in CW CCW mode no matter what level is at fixed level terminal the driver can works properly Rev Reverse Directio...

Page 16: ...measured position i_bak Current Feedback This is the actual measured current in motor coil Ideally D DC CS S3 30 03 3 D Di ig gi it ta al l D DC C S Se er rv vo o D Dr ri iv ve er r M Ma an nu ua al...

Page 17: ...r voltage Protection When power supply voltage exceeds 36 5 D DC CS S3 30 03 3 D Di ig gi it ta al l D DC C S Se er rv vo o D Dr ri iv ve er r M Ma an nu ua al l R Re ev v1 1 0 0 Tel 86 755 26434369 2...

Page 18: ...mportant to start with a stable yet responsive velocity loop Typically it is sufficient to just use the position loop proportional gain Feedforward gain can be added to improve tracking performance i...

Page 19: ...Position Loop Tuning Set the parameters and select the curves displayed in Digital Monitor before starting self test and tuning See Figure 6 19 and Figure 6 20 for the parameters for the tuning in th...

Page 20: ...curve and velocity curve Kp 1200 Ki 0 and Kd 1500 D DC CS S3 30 03 3 D Di ig gi it ta al l D DC C S Se er rv vo o D Dr ri iv ve er r M Ma an nu ua al l R Re ev v1 1 0 0 Tel 86 755 26434369 35 Website...

Page 21: ...nce position following error is still large during constant speed period in Figure 6 27 we try to increase Ki to improve system s performances Figure 6 28 Figure 6 29 and Figure 6 30 show the result a...

Page 22: ...Position following error curve and velocity curve Kp 3000 Ki 150 and Kd 2000 Tuning servo systems formed by DCS303 drivers can be summarized as the following rules 1 If servo system is UNSTABLE then...

Page 23: ...5 26434369 41 Website www leadshine com displayed by RED LED so the driver will decide what error to display according to their priorities See the following Protection Indications table for displaying...

Page 24: ...cts against defects in materials and workmanship for a period of 12 months from shipping date During the warranty period Leadshine will either at its option repair or replace products which proved to...

Page 25: ...DC C S Se er rv vo o D Dr ri iv ve er r M Ma an nu ua al l R Re ev v1 1 0 0 Tel 86 755 26434369 45 Website www leadshine com Contact Us China Headquarters Address 3 F Block 2 Nanyou Tianan Industrial...

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