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3 Phase closed loop servo stepper driver series

LCDA357H 3 Phase Nema23 closed-loop stepper driver

Features:
 

1. Voltage input range: 18V ~ 50VDC
2. Maximum peak current: 7A
3. Subdivision range: 200 ~ 51200ppr
4. Signal input: differential / single-ended, pulse / direction
5. Impulse response limit frequency: 200KHZ
6. Power-on parameter auto-tuning function
7. Closed-loop vector control to ensure that the motor high-speed high-torque output, while ensuring that the motor does not lose step

     Main parameters:
     
     1. Electrical Specifications:
    Parameter
                                     LCDA357H
    Minimum value
    Typical value
     Maximum value
    unit
    Max peak current
    -
    -
    7
    A
    Input power voltage
    20
    36
    50
    Vdc
    Logic input current
    7
    10
    16
    mA
        Pulse frequency
    -
    -
    200
    kHz
     
    2.Interface definition
     
    1) Motor & power input port  
     
    Symbol
    Name
    Explanation
    U-
    Motor U phase winding
     
    V
    Motor V phase winding
     
    W
    Motor W phase winding
     
    Vdc
    Input DC power supply positive
    +20V~+50V
    GND
    Input  power ground
    0V
     
     
     
     
    2) Encoder signal input port:
     
    Symbol
    Name
    EB+
     Motor encoder B phase positive input
    EB-
    Motor encoder B phase negative input
    EA+
    Motor encoder A positive input
    EA
    Motor encoder A phase negative input
    VCC
    Encoder power supply
    EGND
    Encoder power ground
     
    3) Control signal port:
     
    Name
    Explanation
    PUL
    Pulse input signal: pulse effective edge adjustable, the default pulse rising edge is valid; in order to reliably respond to the pulse signal, the pulse width should be greater than 1.2μs. Such as the use of +12 V or +24 V when the need to string 3K resistance
    PUL
    DIR
    Direction input signal: high / low level signal, in order to ensure reliable reversing of the motor, the direction of the signal should be preceded by pulse signal at least 5μs to establish, such as the use of +12 V or +24 V string 3K resistor.
    DIR
    ENA
    Enable control signal: This input signal is used to enable or disable. When ENA +, ENA- have input, the drive will cut off the motor phase to make the motor in a free state. When this function is not required, the terminal can be left floating.
    Such as the use of +12 V or +24 V when the need to string 3K resistance
    ENA
    Pend+
    Positioning completion signal positive side
    Pend-
    Positioning completion signal negative
    ALM
    Alarm output positive terminal
    ALM
    Alarm output negative terminal
     
     
    Please submit your basic information, we will contact you as soon as possible!

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