MBC15081 (User`s Guide)
Contents
1. L010133 January 20132. Automation or AMP Tyco Electronics These two images show how a hand tool can be used to quickly make the cable to connect to the driver This cable can be made in approximately 10 seconds per wire using the hand tool Tooling from AMP Tyco Electronics Part Number 58074 1 Manual Hand Tool with Interchangeable Head shown above 58075 1 Air Hand Tool with Interchangeable Head 58338 1 Air Bench Mount Tool with Interchangeable Head and Foot Switch 58246 1 Die Head for Closed End MTA 100 Connectors shown above Connectors from AMP Tyco Electronics L010133 January 2013 COPYRIGHT Copyright 2013 by Anaheim Automation All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into 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 in this manual the contents are subject to change without notice or obligation to inform the buyer In no event will Anaheim Automation be liable for direct indirect special incidental or consequential damages arising out of the use or inability to use the product or documentation Anaheim Automation s general policy does not recommend the use of its products in life
3. Pulse Width 1 0uS D Minimum Clock Inactive Time 1 0uS Maximum Clock Frequency ccccceeeeees 500kHz With JP1 in position 1 2 sinking the inputs are considered inactive of Logic 1 if left open or active or Logic 0 if grounded With JP1 in position 2 3 sourcing the inputs are considered inactive or Logic 0 if left open and active or Logic 1 if pulled to 3 5 24VDC L010133 January 2013 Step Motor Configurations The output current on the MBC15081 is set by the onboard potentiometer This potentiometer determines the per phase peak output current of the driver The relationship between the output current and the po tentiometer value is as follows WARNING Step motors will run hot even when configured correctly Damage may occur to the motor if a higher than specified current is used Most specified motor currents are maximum values Care should be taken to not exceed these ratings MBC15081 Potentiometer Settings Peak Potentiometer Peak Potentiometer Current Setting Current Setting 090A 50 Reducing Output Current Reducing the output current is accomplished automatically and occurs approximately 20mSec after the last of the clock input has been received The amount of current per phase in the reduction mode is ap proximately 70 of the set current When the current reduction circuit is activated the current reduction resistor is paralle
4. MBC15081 Bipolar Microstep Driver User s Guide 910 East Orangefair Lane Anaheim CA 92801 714 992 6990 fax 714 992 0471 e mail info anaheimautomation com website www anaheimautomation com pn Anaren ANAHEIM AUTOMATION 4 UTOMATION L010133 January 2013 MBC15081 Features e 1 5 Amps Phase Output Current Bipolar Microstepping Driver Operation e Over Temperature and Short Circuit Shutdown e Microstep Divisors of 8 4 2 or Full Step e Compact Package 2 00 x 1 75 x 0 60 e 12 24VDC Power Requirement e Accepts TTL Logic or 24V Level Inputs e Ideal for Precise Positioning e Efficient and Durable e Long Life Expectancy General Description The MBC15081 is a 1 5 amps phase bipolar microstep driver capable of running four six and eight lead step motors The MBC15081 has an output current range of 0 5 to 1 5 amps phase and operates off 12VDC minimum to 24VDC maximum The inputs are capable of running from either open collector or TTL level logic outputs or sourcing 24VDC outputs from PLCs The MBC15081 features resolutions from 200 1600 steps revolution providing smooth rotary operation The MBC15081 features include built in over temperature and short circuit shut down automatic 70 reduction in current after clock pulses step being received and status LED s to indicate power on green LED and clocks being received yellow LED The MBC15081 is a compact low profile package meant to be used whe
5. led with the current adjustment potentiometer This lowers the total resistance value and thus lowers the per phase output current Connecting the Step Motor Phase 1 and Phase 3 of the step motor are connected to pins 1 and 2 on connector P2 Phase 2 and Phase 4 of the step motor are connected to pins 3 and 4 on connector P2 Please refer to the figure for a 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 switch the wires on Phase 1 and Phase 3 WARNING DO NOT CONNECT OR DISCONNECT MOTOR WIRES WHILE POWER IS APPLIED Motor Selection The MBC15081 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 Motors with high current ratings and low inductance will perform better at higher speeds providing more high end torque Since the MBC15081 uses a constant current source drive technique it is not necessary to use a motor that is rated at the same voltage as the supply voltage What is important is that the potentiometer is set to the appropriate current level based on the motor being used Higher voltages will cause the current to fl
6. onnected from end to end with the center tap floating use the specified per Phase or unipolar current rating to determine the current setting potentiometer value P1 Pe P1 P2 S C P3 P4 COM 1 3 x COM 2 4 X P3 P4 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 motor windings in parallel multiply the per Phase or unipolar current rating by 2 0 to determine the current setting potentiometer value P1 Pq mr PSB 7 P2 Vt P4 L P3 P4 4 Lead Motors Series Connection 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 P3 P4 L010133 January 2013 Connecting to the MBC15081 The MBC15081 is designed with cost savings and size as two of the primary design criteria For this reason the MTA 100 series connector was chosen for these products as a reliable small and low cost connector This is a common Insulation Displacement Connector IDC manufactured by AMP Corporation The inputs to the driver are on a pin connector and the motors are on a 4 pin connector These connectors are not supplied with the driver but can be purchased from Anaheim
7. ow faster through the motor coils This in turn means higher step rates can be achieved Care should be taken not exceed the maximum voltage of the driver L010133 January 2013 Step Motor Configurations Step motors can be configured as 4 6 or 8 leads Each configuration requires different currents Refer to the lead configurations and the procedures to determine their output current Determining Output Current The Output current for a motor used with a bipolar driver is determined differently from that of a unipolar driver In the MBC15081 a sine cosine output function is used in 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 MBC15081 This sets the peak output current of the sine cosine waves The specified motor current which is the unipolar value is multiplied by a factor of 1 0 1 4 or 2 0 depending on the motor configuration series half coil or parallel 6 Lead Motors Half Coil Connection When configuring a 6 lead motor in half coil connected from one end of the coil to the center tap multiply the specified per Phase or unipolar current rating by 1 4 to determine the current setting potentiometer value This configuration will provide more torque at higher speeds when compared to the series configuration Series When configuring the motor is series c
8. re space is limited but performance is expected Dimensions CURRENT 2 00 ADJUST 45A 03A f All units are in inches Ordering Information Part Number MBC15081 12 24VDC 0 3 1 5A Bipolar Microstep Driver Open Frame MBC25081 12 24VDC 0 5 2 5A Bipolar Microstep Driver Packaged with Heat Sink L010133 January 2013 Wiring Diagrams PULSE GENERATOR P2 P1 P2 5w swz ANAHEIM ANAHEIM SW3 AUTOMATION AUTOMATION j DIRECTION Swa ON OFF 12 24VDC Input Pin Descriptions CBL AA4031 Pin Wire Color Description Brown Clock Ra 12VDC 24VDC 7 OVDC Gnd Microstep Resolution Truth Table STEP 50 C D MSi1 MS2 i DIR ON OFF j E 4 STEP MOTOR PHASE 3 A PHASE 4 B DIRECTION ih 4 STEP MOTOR ON OFF PHASE 1 A PHASE 3 A PHASE 2 B PHASE 4 B Input Pin Descriptions CBL AA4033 Wire Color Phase A PhaseA Red Direction Logic 1 CW Logic 0 CCW Clock Active 1 Step Inactive open Reduce Current Mode On Off Active Off Inactive open On Notes Opens Inputs are inactive and internally pulled up to 5VDC for JP1 position 1 2 Sinking Open Inputs are inactive and internally pulled down to OVDC for JP1 position 2 3 Sourcing A Minimum Command Active Time Before Clock Pulse Data Set Up Time 200nS B Minimum Command Active Time After Clock Pulse Data Hold Time 200nS C Minimum Clock
9. support applications wherein a failure or malfunction of the product may directly threaten life or injury Per Anaheim Automation s Terms and Conditions the user of Anaheim Automation products in life support applications assumes all risks of such use and indemnifies Anaheim Automation against all damages LIMITED WARRANTY All Anaheim Automation products are warranted against defects in workmanship materials and construction when used under Normal Operating Conditions and when used in accordance with specifications This warranty shall be in effect for a period of twelve months from the date of purchase or eighteen months from the date of manufacture whichever comes first Warranty provisions may be voided if products are subjected to physical modifications damage abuse or misuse Anaheim Automation will repair or replace at its option any product which has been found to be defective and is within the warranty period provided that the item is shipped freight prepaid with previous authorization RMA to Anaheim Automation s plant in Anaheim California TECHNICAL SUPPORT If you should require technical support or if you have problems using any of the equipment covered by this manual please read the manual completely to see if it will answer the questions you have If you need assistance beyond what this manual can provide contact your Local Distributor where you purchased the unit or contact the factory direct ANAHEIM AUTOMATION
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