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02.06.2022 V1 

Table of Contents 

 

Page 

General 

Features of the Driver 

Applications of the Driver 

 

 

Specifications and Operating Environment 

 

Electrical Specifications 

Operating Environment and Parameters 

 

Driver Connectors, P1, P2 and P3 

Control Signal Connector P1 

 

Power Connector P2 

RS485 P3 

 

Power Supply Selection 

Maximum Voltage Input 

Regulated or Unregulated Power Supply 

Multiple Drivers 

 

Driver Voltage and Current Selection 

Selecting Supply Voltage 

Setting Proper Output Current 

 

Microstep Resolution and Driver Current Output 

Microstep Resolution Selection 

4/5 

Current Setting 

 

Driver connection to Motors 

Control Signals 

 

Driver Dimensions 

Summary of Contents for P860A

Page 1: ...and Telephone 44 0 1634 815175 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 purc...

Page 2: ...2 Control Signal Connector P1 2 Power Connector P2 2 RS485 P3 2 Power Supply Selection 3 Maximum Voltage Input 3 Regulated or Unregulated Power Supply 3 Multiple Drivers 3 Driver Voltage and Current...

Page 3: ...eduction option at standstill Mixed decay current control for reduced motor heating 16 Channel microstepping in decimal and binary Max 51200ppr Suitable for 4 6 or 8 lead motors Step Direction and Ena...

Page 4: ...ORS P1 P2 and P3 The following is a brief description of the three connectors of the drive Control Signal Connector P1 Pins Pin No Signal Functions 1 Direction Triggers change in direction of rotation...

Page 5: ...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...

Page 6: ...s important to set driver output current depending on motor phase current motor leads and connection method 6 Switch Settings Current Setting Peak SW1 2 3 are used to set the operating current during...

Page 7: ...ce 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 parall...

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