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User Manual

DM542T(V4.0)

2-Phase Digital Stepper Drive

Revision 4.0

Record of Revisions

Revision Date

Description of Release

1.0

Dec, 2016

Initial Release

4.0

Oct., 2020

Add 5V/24V logical voltage selector, alarm outputs

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Summary of Contents for DM542T

Page 1: ...ual DM542T V4 0 2 Phase Digital Stepper Drive Revision 4 0 Record of Revisions Revision Date Description of Release 1 0 Dec 2016 Initial Release 4 0 Oct 2020 Add 5V 24V logical voltage selector alarm...

Page 2: ...l Signal and Output Signal 4 4 1 Control Signal Connection 4 4 2 Fault Output Connection 4 5 Motor Connection 4 6 Power Supply Selection 5 6 1Power Supply Sharing 5 6 2 Selecting Supply Voltage 5 7 DI...

Page 3: ...hen powered on Optically isolated inputs with 5V or 24V Fault output Over voltage and over current protections 2 Specifications 2 1 Electrical Specifications Parameters DM542T V4 0 Min Typical Max Uni...

Page 4: ...of DIP switch at OFF position It is recommended to mount the drive vertically to maximize heat sink area Use forced cooling method to cool if necessary 3 Connection Pin Assignments and LED Indication...

Page 5: ...Connector Pin Details ALM 1 Maximum 30V 100mA output 2 Sinking or sourcing 3 The resistance between ALM and ALM is low impedance as default and will change to high when the drive goes into error prote...

Page 6: ...5 V first then connect 1K resistor If it is 5V please set the S2 to 5V 4 2 Fault Output Connection When over voltage or over current protection happens DM542T V4 0 red status LED light will blink and...

Page 7: ...age input When selecting a power supply besides voltage from the power supply power line voltage fluctuation and back EMF voltage generated during motor deceleration needs also to be taken into accoun...

Page 8: ...tor and drive Therefore output current is generally set to be such that the motor will not overheat for long time operation Since parallel and serial connections of motor coils will significantly chan...

Page 9: ...d in PUL DIR signal pulse direction signal wires and motor wires should not be tied up together It is better to separate them by at least 10 cm otherwise the disturbing signals generated by motor will...

Page 10: ...correct direction c t3 Pulse width not less than 2 5 s d t4 Low level width not less than 2 5 s e Duty cycle of Pulse signal is recommend 50 11 Protection Functions To improve reliability the drive in...

Page 11: ...can be traced to electrical noise controller software errors or mistake in wiring Problem Symptoms and Possible Causes Symptoms Possible Problems Motor is not rotating No power Microstep resolution se...

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