Anaheim Stepper MBC082561Users Guide

MBC082561
Bipolar Microstep Driver
User’s Guide
910 East Orangefair Lane, Anaheim, CA 92801
e-mail: [email protected](714) 992-6990  fax: (714) 992-0471
website: www.anaheimautomation.com
ANAHEIM AUTOMATION
April 2012L010342  

Introduction
The MBC082561 Microstep Driver has an output current capability of 2.8 Amps minimum to 7.8 Amps 
maximum (Peak Rating).  The MBC082561 driver operates on a DC voltage of 22-90 volts.  The inputs are 
optically isolated with a minimum sourcing of 15.0 mA per input @+VDC.  The clock input is set to receive 
either positive or negative edge clocks with a maximum frequency of 400KHz.  The MBC082561 driver 
offers direction control and motor current ON/OFF capabilities.  The Reduce Current...

 
TB1 and TB2: 4 and 2 Pin Terminal Description
The enable an input, apply a DC voltage source of +5VDC.  The Anodes (+) are pins 1, 3, and 5 and the 
Cathodes (-) are pins 2, 4, and 6.  The change of the enable signal must be ahead of the direction signal 
by at least 5 uSeconds.  The Direction signal must be ahead of step clock signal by at least 5 uSeconds.
Pin #Description
1 Step Clock Input Anode (+): A positive going edge on this isolated input advances the motor one 
increment.  The size of the...

Hook Up Drawings
Fiigure 1: Hook up for current sinking inputs
Fiigure 2: Hook up for current sourcing inputs
April 2012L010342  

Motor Selection
The  MBC082561  is  a  Bipolar  Microstep  Driver  that  is  compatible  with  both  Bipolar  and  Unipolar  Motor 
Configurations, (i.e. 8 and 4 lead motors, and 6 lead center tapped motors).
Step motors with low current ratings and high inductance will perform better at low speeds, providing 
higher low-end torque.  Motor with high current ratings and low inductance will perform better at higher 
speeds, providing more high-end torque.  Higher voltages will cause the current to flow...

Microstep Selection (SW1 Settings)
Switches 5, 6, 7, and 8, of the DIP switch select the number of microsteps per step.  The following table 
shows the standard resolution values along with the associated positions\
 for the dip switches.  The stan-
dard wave forms are sinusoidal.
Setting the Output Current
The output current on the MBC082561 is set by Switches 1, 2, and 3.  The position determines the per-
phase peak output current of the driver.  The relationship between the output current and the...

Determining Output Current
The output current for the motor used when microstepping is determined differently from that of a full/half 
step unipolar driver.  In the MBC082561, a sine/ cosine output function is used rotating the motor\
.  The 
output current for a given motor is determined by the motors current rating and the wiring configuration of 
the motor.  There is a current adjustment potentiometer used to set the output current of the MBC082561.  
This  sets  the  peak  output  current  of  the...

4 Lead Motors
Multiply  the  specified series motor current by 1.4 to determine the current adjustment potentiometer 
value.  Four Lead motors are usually rated with their appropriate series current, as opposed to the Phase 
Current,  which is the rating for 6 and 8 lead motors.
8 Lead Motors
Series Connection: When configuring the motor windings in series, use the per Phase (or unipolar) cur-
rent rating to determine the current setting potentiometer value.
Parallel Connection: When configuring the...

Connecting the Step Motor
Phase 1 (A) and 3 (A\) of the Step Motor is connected between pins 3 and 4 on the motor connector (TB3).  
Phase 2 (B) and 4 (B\) of the Step Motor is connected between pins 5 and 6 on the motor connector (TB3). 
Refer to Figures 1 and 2 for TYPICAL APPLICATION HOOK-UP.
NOTE: The physical direction of the motor with respect to the direction input will depend on the connection 
of the motor windings.  To reverse the direction of the motor with respect to the direction input,...

COPYRIGHT 
Copyright 2012 by Anaheim Automation. All rights reserved. No part of this publication may be reproduced, 
transmitted, transcribed, stored in a retrieval system, or translated in\
to any language, in any form or by 
any means, electronic, mechanical, magnetic, optical, chemical, manual, or otherwise, without the prior 
written permission of Anaheim Automation, 910 E. Orangefair Lane, Anaheim, CA 92801. 
DISCLAIMER
Though every effort has been made to supply complete and accurate information...