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01.03.2020 v3 

High Performance Microstepping Driver 

 
 
 
 
 

User Manual 

P542 

 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Astrosyn International Technology Ltd 

The Old Courthouse, New Road Avenue, Chatham, Kent ME4 6BE England 

Telephone: +44 (0) 1634 815175   Fax: +44 (0) 1634 826552 

Email: sales@astrosyn.com    Web: www.astrosyn.com 

Registered office: Montague Place, Quayside, Chatham Maritime, Kent. ME4 4QU   Registered in England No. 1188550 

 

Thank you for purchasing the Astrosyn P542 drive. 
Please  read  this  manual  thoroughly  before  installing 
and  operating  the  driver  and  always  keep  the  manual 
where it is readily accessible. 

Summary of Contents for P542

Page 1: ...hone 44 0 1634 815175 Fax 44 0 1634 826552 Email sales astrosyn com Web www astrosyn com Registered office Montague Place Quayside Chatham Maritime Kent ME4 4QU Registered in England No 1188550 Thank you for purchasing the Astrosyn P542 drive Please read this manual thoroughly before installing and operating the driver and always keep the manual where it is readily accessible ...

Page 2: ...2 Control Signal Connector P1 Pins 2 Power Connector P2 Pins 2 Power Connector P3 Pins 2 Power Supply Selection 3 Maximum Voltage Input 3 Regulated or Unregulated Power Supply 3 Multiple Drivers 3 Driver Voltage and Current Selection 4 Selecting Supply Voltage 4 Setting Proper Output Current 4 Microstep Resolution and Driver Current Output 4 Microstep Resolution Selection 4 Current Setting 4 Drive...

Page 3: ... idle current reduction Mixed decay current control for reduced motor heating 16 Channel microstepping in decimal and binary Suitable for 4 6 or 8 lead motors Step Direction and Enable inputs Short circuit open circuit under over voltage and over temperature protection Applications of this Driver Suitable for a wide range of stepping motors of Size NEMA 17 23 and 34 usable for various kinds of mac...

Page 4: ...he following is a brief description of the two connectors of the Driver Control Signal Connector P1 Pins Pin No Signal Functions 1 Pulse Connect to 5v dc 2 Pulse Triggers motor to move 3 Direction Connect to 5v dc 4 Direction Triggers change in direction of rotation Please note motion direction is also related to motor drive wiring Changing the connection of two wires for a coil to the drive will ...

Page 5: ...o avoid problems like current clamp For example using a 4A supply for a 3A motor drive operation You can use a power supply of lower current rating than that of the motor Typically 50 70 of motor current The reason is that the drive draws current from the power supply capacitor only during the ON duration of the PWM cycle but not during OFF duration Therefore the average current withdrawn from the...

Page 6: ...ce and resistance it is important to set driver output current depending on motor phase current motor leads and connection method 6 MICROSTEP RESOLUTION Current Setting Peak SW1 2 3 are used to set the operating current during motion dynamic current Current SW1 SW2 SW3 1 0A On On On 1 2A Off On On 1 5A On Off On 2 0A Off Off On 2 5A On On Off 3 0A Off On Off 3 5A On Off Off 4 0A Off Off Off Micros...

Page 7: ...e most inductance the performance will start to degrade at higher speeds Use the per phase or unipolar current rating divided by 1 4 to determine the peak output current Parallel Connection An 8 lead motor in parallel configuration offers a more stable but lower torque at lower speeds Because of the lower inductance there will be higher torque at higher speeds Multiply the per phase or unipolar cu...

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