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                                      MA860C Full Digital Stepper Drive Manual V1.0

 

 

 

5.2.1 Dynamic Current Setting 

Peak Current 

RMS Current 

SW1 

SW2 

SW3 

2.40A 

1.70A 

ON 

ON 

ON 

3.08A 

2.18A 

OFF 

ON 

ON 

3.77A 

2.67A 

ON 

OFF 

ON 

4.45A 

3.15A 

OFF 

OFF 

ON 

5.14A 

3.64A 

ON 

ON 

OFF 

5.83A 

4.12A 

OFF 

ON 

OFF 

6.52A 

4.61A 

ON 

OFF 

OFF 

7.20A 

5.09A 

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. 

5.2.2 Standstill Current Setting 

SW4 is used for this purpose. OFF meaning that the standstill current is set to be half of the selected dynamic current, 
and ON meaning that standstill current is set to be the same as the selected dynamic current. 

The current automatically reduced to 50% of the selected dynamic current one second after the last pulse. If the 
application needs a different standstill current, please contact Leadshine.   

5.3 Motor auto-identification and parameter auto-configuration 

The drive will operate the function of motor auto-identification and parameter auto-configuration when power on, and 
calculate the optimal parameter using for current control after this processing,, then the stepper motor can output 
optimal torque. 

6 Typical Connection 

A complete stepping system should include stepping motor, stepping drive, power supply and controller (pulse 
generator). A typical connection is shown as figure 10.

   

 

Figure 10: Typical connection 

Содержание MA860C

Страница 1: ... 0 2016 All Rights Reserved Attention Please read this manual carefully before using the drive 11 F Building A3 Nanshan ipark NO 1001 Xueyuan Blvd Nanshan Dist Shenzhen China T 86 755 26409254 F 86 755 26402718 Web site www leadshine com E Mail sales leadshine com ...

Страница 2: ...r 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...

Страница 3: ...ations 5 4 4 Connections of 8 lead Motor 5 4 4 1 Series Connections 5 4 4 2 Parallel Connections 5 4 5 Power Supply Selection 6 4 5 1 Regulated or Unregulated Power Supply 6 4 5 2 Multiple Drives 6 4 5 3 Selecting Supply Voltage 6 4 6 Wiring Notes 6 5 Selecting Microstep Resolution and drive Output Current 7 5 1 Microstep Resolution Selection 7 5 2 Current Settings 7 5 2 1 Dynamic Current Setting ...

Страница 4: ...s smoother motor movement 16 selectable microstep resolutions including 400 800 1600 3200 6400 12800 25600 51200 1000 2000 4000 5000 8000 10000 20000 40000 Soft start with no jump when powered on Input voltage 18 80VAC or 30 100VDC 8 selectable peak current including 2 40A 3 08A 3 77A 4 45A 5 14A 5 83A 6 52A 7 20A Pulse input frequency up to 200 KHz TTL compatible and optically isolated input Auto...

Страница 5: ...ns unit mm 1inch 25 4mm Recommend use side mounting for better heat dissipation 2 4 Elimination of Heating Drive s reliable working temperature should be 45 113 and motor working temperature should be 80 176 It is recommended to use automatic idle current mode namely current automatically reduce to 50 when motor stops so as to reduce drive heating and motor heating It is recommended to mount the d...

Страница 6: ... represents clockwise CW pulse For reliable response pulse width should be longer than 2 5μs PUL ENA Enable signal This signal is used for enabling disabling the drive By default it is usually left UNCONNECTED ENABLED It is an optocoupler isolated input that accepts a 5 24V 1K for 12V 2k for 24V single ended or differential signal When the optocoupler is turned on the drive is deactivated All the ...

Страница 7: ...n winding inductance In setting the drive output current multiply the specified phase current by 1 4 to determine the peak output current Figure 5 4 lead Motor Connections 4 3 Connections of 6 lead Motor 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 ...

Страница 8: ...allel thus satisfying a wide range of applications 4 4 1 Series Connections A series motor configuration would typically be used in applications where a higher torque at lower speeds is required Because this configuration has the most inductance the performance will start to degrade at higher speeds In series mode the motors should also be run at only 70 of their rated current to prevent over heat...

Страница 9: ...citor of the unregulated supply only during the ON duration of the PWM cycle but not during the OFF duration Therefore the average current withdrawn from power supply is considerably less than motor current For example two 3A motors can be well supplied by one power supply of 4A rating 4 5 2 Multiple Drives It is recommended to have multiple drives to share one power supply to reduce cost if the s...

Страница 10: ...FF ON 256 51200 OFF OFF OFF OFF 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 200 40000 OFF OFF OFF OFF 5 2 Current Settings For a given motor higher drive current will make the motor to output more torque but at the same time causes more heating in the motor and drive Therefore output c...

Страница 11: ... and ON meaning that standstill current is set to be the same as the selected dynamic current The current automatically reduced to 50 of the selected dynamic current one second after the last pulse If the application needs a different standstill current please contact Leadshine 5 3 Motor auto identification and parameter auto configuration The drive will operate the function of motor auto identifi...

Страница 12: ...ective 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 8 Protection Functions To improve reliability the drive incorporates some built in protections features Priority Time s of Blink Sequence wave of red LED Description 1st 1 Over current protection activated when peak current exceeds the limit 2nd 2 Over voltage protection act...

Страница 13: ...ms can be traced to electrical noise controller software errors or mistake in wiring 9 1 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 ...

Страница 14: ...pping charges for products returned to Leadshine for warranty service and Leadshine shall pay for return of products to customer Warranty Limitations Leadshine makes no other warranty either expressed or implied with respect to the product Leadshine specifically disclaims the implied warranties of merchantability and fitness for a particular purpose Some jurisdictions do not allow limitations on h...

Страница 15: ...as Fax 86 755 2640 2718 Email sales leadshine com Technical Support Tel 86 755 2641 8447 and 86 755 2647 1129 Fax 86 755 2640 2718 Email tech leadshine com Leadshine U S A Address 25 Mauchly Suite 318 Irvine California 92618 Tel 1 949 608 7270 Fax 1 949 608 7298 Web http www leadshineUSA com Email sales leadshineUSA com and support leadshineUSA com Leadshine Hong Kong Address Rm 3 9 F Block E Wah ...

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