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2 Phase Digital stepper driver series

MC860H Nema34 digital stepper driver

 
Features
· Supply voltage up to 80VAC or +110VDC;
· Output current programmable, from 2.4A to7.2A;
· Pulse input frequency300KHz;
· 16 selectable resolutions up to 51,200 steps/rev;
· TTL compatible and optically isolated input;
· Pure-sinusoidal current control technology;
· Self-adjustment technology;
· Support PUL/DIR;
· 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 total of 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 0.4 seconds after the pulse train is stopped, the current automatically reduced by 50% (60% of the actual value) and the calorific value is oretically reduced by 36%.

        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

    AC power supply, the input voltage range: 36V-70VAC,Power more than 300W

      Installation Notes

    Driver dimension :151x97x48 mm ,installation the hole spacing of 143 mm 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 .

     

     

    MC860H driver with eight DIP switch set subdivision accuracy, dynamic current and half-flow / full-flow, described in detail as follows:

     

     

     

    Working current setting :

     

    Mean current

    Peak current

    SW1

    SW2

    SW3

    2.00A

    2.40A

    on

    on

    on

    2.57A

    3.08A

    off

    on

    on

    3.14A

    3.77A

    on

    off

    on

    3.71A

    4.45A

    off

    off

    on

    4.28A

    5.14A

    on

    on

    off

    4.86A

    5.83A

    off

    on

    off

    5.43A

    6.52A

    on

    off

    off

    6.00A

    7.20A

    off

    off

    off

     

    Microstep settings :

     

    Step/turn

    SW5

    SW6

    SW7

    SW8

    400

    on

    on

    on

    on

    800

    off

    on

    on

    on

    1600

    on

    off

    on

    on

    3200

    off

    off

    on

    on

    6400

    on

    on

    off

    on

    12800

    off

    on

    off

    on

    25600

    on

    off

    off

    on

    51200

    off

    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

    40000

    off

    off

    off

    off

      

     

     

    Please submit your basic information, we will contact you as soon as possible!

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