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2 Phase Digital stepper driver series

MC542 Nema23 digital stepper driver

 Features
· Supply voltage:20~50 VDC;
· Output current: 1.0 A~4.2 A;
· Pulse input frequency: 200KHz;
· 15 selectable resolutions up to 25,600 steps/rev;
· TTL compatible and optically isolated input;
· Pure-sinusoidal current control technology;
· Self-adjustment technology;
· Support PUL/DIR and CW/CCW modes;
· Short-voltage, over-voltage, over-current protections;
· Automatic idle-current reduction.

     

    Driver Function

    operation Insulation

    Microsteps Sudivision setting

    SW5-SW8 four DIP switches to set the drive micro-step subdivision, a total of 15 steps of mic ro-step breakdown. When the user sets the subdivision, the drive should be stopped first. For details on the numberof microsteps,Please according to the drive panel.

     Working current setting

    SW1-SW3 three DIP switches to set the drive output current, the output current of a totalof 8 floor.Details on setting the output current,refer to the description of the driver panel.

    Automatic half current Function

    SW4 can be used to set the automatic semi-flow function of the drive. OFF mean the quiescent current is set to half of the dynamic current, and ON means the quiescent current is the same as the dynamic current SW4 should be set to OFF for general use, resulting in reduced heat generation in the motor an the drive, resulting in improved reliability. Approximately 0.3 seconds after the pulse train is stopped, the current automatically reduced by 50% (55% of the actual value) and the calorific value is oretically reduced by 65%.

        Signal interface

    PUL + and PUL- are the positive and negative terminals of the control pulsesignal;DIR + and DIR- are the positive and negative terminalsof the directional signal;ENA + and ENA- are the positive & negative terminals of the enable signal.

     Motor interface

    A + and A- are connected to the positive and negative terminals of the A-phase winding of the stepping motor; B + and B- are connected to the positive and negative terminals of the B-phase winding of the stepping motor.When A, B two-phase winding exchange,direction of the motor can be reversed

          Indicator light

    The driver has two red and green lights. The green light is the power indicator, the green light is on when the driver is powered on. The red light is the fault indicator. When the overvoltage or overcurrent fault occurs, the fault light is on.Fault clear, the red light off. When the drive fails, the fault can only be cleared by re-powering up and re-enabling it.

        Power supply Port

    DC power supply, the input voltage range: 24V-50VDC,Power more than 100W

      Installation Notes

    Driver dimension :117x78x34mm ,installation the hole spacing of 111mm can be

    horizontal can be horizontal or vertical mounting suggest the vertical installation) when installed ,mke it close to the metal cabinet to facllitate heat .

    MC542 drive with eight DIP switch set subdivision accuracy, dynamic current and half-flow / full-flow, described in detail
     

    follows:

     

    Working current setting :

    Peak current

    Mean current

    SW1

    SW2

    SW3

    1.00A

    0.71A

    on

    on

    on

    1.46A

    1.04A

    off

    on

    on

    1.91A

    1.36A

    on

    off

    on

    2.37A

    1.69A

    off

    off

    on

    2.84A

    2.03A

    on

    on

    off

    3.31A

    2.36A

    off

    on

    off

    3.76A

    2.69A

    on

    off

    off

    4.20A

    3.00A

    off

    off

    off

    Microstep settings :

     

    Steps / turn

    SW5

    SW6

    SW7

    SW8

    400

    off

    on

    on

    on

    800

    on

    0ff

    on

    on

    1600

    off

    off

    on

    on

    3200

    on

    on

    off

    on

    6400

    off

    on

    off

    on

    12800

    on

    off

    off

    on

    25600

    0ff

    off

    off

    on

    1000

    on

    on

    on

    off

    2000

    off

    on

    on

    off

    4000

    on

    off

    on

    off

    5000

    off

    off

    on

    off

    8000

    on

    on

    off

    off

    10000

    off

    on

    off

    off

    20000

    on

    off

    off

    off

    25000

    off

    off

    off

    off

     

     

     

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