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C 1996 by Anaheim Automation. All rights reserved. No part of this publication
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USER'S MANUAL
any langu age, in any form or by any means, electronic, mechanical, magnetic, optical ,
chemi cal, manual, or otherwise, without the prior written permission of Anahei m
Automation, 910 E. Orangefair Lane, Anaheim, CA 92801.
MODEL MDM60001
Though every effort has been made to supply complete and accurate information in thi s
m without noti
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The MDM60001 is a High Performance, low cost microstepping driver that incorporates advanced su rface mount and ASIC technology. The MDM60001 is compact, easy t o interfac and powerful enough to handle the most demanding applications. Anahei m A n recognizes that cost and size are important criteria in many low and medium power appl ications. The MDM60001 was designed to meet those needs and offer s innovative features. INTRODUCTION ............................... 2 T urrent of 6 Amperes p
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Pin# Description 4 Amp Microstep Driver 6 Amp Microstep Driver 1 Clock: A positive going edge on this isolated input advances 10 Amp Microstep Driver the motor one increment. The size of the increment is dependent on the Microstep Select Inputs of Switch 1. 2 Direction: This isolated input is used to change the direction of the motor. Physical direction also depends on the 65VDC Power Supply connection of the motor windings. 65VDC Power Supply 3 This input is used to supply current to the Is
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: 1 Phase Current Reduction Input. A resistor between this pin and pin 2 (Connector P2, Current Adjust) will proportionately reduced the current in both windings (1 second after the last positive going edge of the step clock input). The amount of current reduction will depend on the value of the resistor used. 2 Phase Current Adjustment input. A resistor connected between this input and the ground input (connector P2, Pin 3) is used to adjust the maximum Phase Current in the motor. A 3 Suppl
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ABSOLUTE MAXIMUM RATINGS T t current for the motor used when microstepping is determined differently from t p unipolar driver. In the MDM60001, a sine/cosine output current +24 TO +75 VDC used in rotating the motor. The output current for a given motor is determined motors c urrent rating and the configuration for how the motor is hooked up. There is a c or used to set the output current of the MDM60001. This sets the 70° C output current of the sine/cosine waves. The specified motor cur
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Step mot ors can be configured as 4, 6, or 8 leads. Each configuration requires differen t Reduc ing the output current in the MDM60001 can be accomplished by connecting a n c rents . Shown below are different lead configurations and the procedures to determine external resistor (1/8 watt or higher) between pins 1 and 2 of connector P2 and ocurr s their output current. a 6 Lead Motors T n mode is related to the value of the current W lead motor in a half-coil configuration a esistor and the c
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4 Lead Motors CONNECTING THE STEP MOTOR P se 1&3 of the Step Motor is connected between pins 7 and 8 on connector P2. Phase 2&4 of the Step Motor is connected between pins 5 and 6 on connector P2. N n of the motor with respect to the direction input will depend o the direction of the motor with respect to the direction input, switch the wires on Phase 1 & Phase 3 . series motor current to determine the current adjustment resistor value. with their appropriate series current, as opposed to
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Anaheim Automation Step Motor Selection Guide The number of microsteps per step is selected by the internal dip switches . Motor Current Series Configuration ( Unipolar Rating ) 1% Resistor Value Table 5 shows the standard resolution values along with the associate d [ Amps ] [ Ohms ] 23D104 2.0 1000 Switch 1 Switch 2 Switch 3 Switch 4 23D108 3.9 1960 Rev 23D204 1.8 909 2 400 23D209 4.7 2370 4 800 23D306 2.9 1450 8 1,600 23D309 4.6 2320 16 3,200 34D106 3.0 1500 32 6,400 34D109 4.8 2
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T OW open drain output at Connector P1, Pin 7 labeled ON The Direction and Microstep Resolution Select inputs are synchronized with the positive OUT. This output is TRUE (active low) for the duration of the full step. A full step going edge of the Step Clock input. When the Step Clock input goes high, the Direction occurs when either Phase 1&3 or Phase 2&4 cross through zero (ie. full current in on e a are latched and further changes to the inputs are ignored until w in the other winding).
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T internally protected against over temperature, over/under voltage, and short circuits. The o ver temperature set point is between 60C and 70 EC. Care should be taken whe n choosing a heatsink so that there is good thermal flow, otherwise hot spots may occur in the MDM60001 which will reduce the effectiveness of the thermal protection. T In the condition where the DC voltage of the driver drops below +23 volts the driver’ s o abled. When the driver’s DC voltage rises back above 24 volts, the
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TORQUE/SPEED CURVES Notes:
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Notes:
