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MT550 series high performance vector inverter

MT550 is a technical upgrade product of MT500. The product has more sophisticated hardware configuration and more complete protection than MT500. The motor control algorithm is also better. The pulse position command port is added, which can meet common position control applications.

Classification:

  • 2
  • 1

    Compared with MT500, it adds position control function, supports spindle orientation application, position pulse command following, etc.;

    Position curve planning, support the origin return function;

    Supports online identification of motor parameters, with higher torque and speed control accuracy;

    It can improve the power factor of the grid side and reduce the current distortion;

    Standard 3 analog input AI, 7 digital input DI, 2 relay output, standard 2 analog output, 1 standard Modbus communication;

    Compatible with all expansion card accessories of MT500: such as encoder PG card, communication expansion card, and IO expansion card, etc.;

    The weak current terminal adopts spring-type and screw-free installation, which is more convenient for wiring;

    Standard LED digital keyboard, optional LCD liquid crystal keyboard (MTSOP0), dual display digital keyboard;

    1 way standard Modbus communication;

    Can receive 2 pulse signal inputs, support differential or open collector input.

  • Function description:

    . 7 digital input terminals, one of which supports high-speed pulse input up to 50kHz;

    . 3 analog input terminals, 2 of which support 0~10V voltage input or 0~20mA current input;

    . 1 high-speed pulse output terminal (open collector type), support 0~50kHz square wave signal output;

    . 1 digital output terminal;

    . 2 relay output terminals;

    .2 analog output terminals, support 0~20mA current output or 0~10V voltage output.

    Product features compact structure and excellent performance

    Wide voltage design in line with international standards

    Meet the needs of 380-480V three-phase power grids including Europe, North America, India, etc.

    High-performance vector control to improve equipment accuracy

    The maximum output frequency under vector control is up to 500Hz, which can achieve high-precision speed output within 10 times the field weakening speed range.

    Low speed and large torque (high starting torque)

    In the closed-loop vector mode, the torque linearity deviation is within 3%, the torque output is stable, the low-frequency torque is large, and it can achieve ultra-low speed 0.01Hz stable driving with load. The torque mode and speed mode can be easily switched. Perfect DC braking circuit scheme.

    Independent air duct design

    The independent air duct design can effectively prevent dust from entering the inverter and cause short-circuit failures and improve reliability; the use of long-life cooling fans with large air volume can effectively reduce the temperature rise of the inverter and ensure the reliable and stable operation of the inverter.

    Speed ​​start

    It can avoid over-current faults caused by direct starting and realize smooth starting; it can reduce the impact of instantaneous power failure on production; it can reduce the impact on the power grid.

    Intelligent energy saving function

    Through the voltage flux vector algorithm, the closed-loop control of the output voltage is realized; when the motor torque requirement is low, the excitation current is reduced according to the load current; the motor efficiency is maximized; the motor loss is reduced, and the energy loss is reduced.

    High-precision closed-loop control of multiple encoders

    The MT550 series supports multiple encoder interfaces such as collector signal, differential signal, resolver signal, etc., which facilitates the realization of closed-loop vector control.

    Wave-by-wave current limit

    When the output current exceeds the wave-by-wave current limit point, the hardware current limit protection is triggered, which can restrain the rise of current to a certain extent, so that the current does not exceed the inverter protection value, and avoids shutdown due to sudden load or abnormal current causing current alarm.


    PID control function


    Non-stop


    Multi-motor switching


    Strong overload capacity


    Strong overmodulation ability


    High-speed field weakening control


    Speed ​​tracking start


    Computer monitoring software


    Overcurrent/overvoltage suppression protection

 

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