MC8541Pe is a motion control card for PCI Express x1 bus, equipped with high-performance 4-axis motion control IC MCX514. With one card, you can control the four-axis stepping and the position or speed of the servo motor.

Compared with the old control card, the tween function is more fulfilling. The linear tween can control up to 4 axes. It also has CW / CCW arc tweening, 2 to 4 axis position tweening, and CW / CCW spiral tweening control.

2 axis / 3 axis / 4 axis linear tween, CW / CCW arc tween, 2 axis / 3 axis / 4 axis bit mode tween, spiral tween, continuous tween 8 segment pre-buffer, short axis pulse uniformity, line Speed constant mode, etc. It adds features, is easier to use, and can implement more various tweens.


  • Arc / Line tween
  • The X-axis and Y-axis on orthogonal coordinates can be used for linear and circular interpolation. A linear tween can have up to 4 axes.


  • 8-segment pre-buffer
  • In order to correspond to high-speed continuous tween driving, 8 pre-buffer registers are provided for storing the end point data of each segment. When performing continuous tweening as shown on the left, it does not matter if a segment as short as Seg3 exists. As long as the average moving time of eight segments containing Seg3 is longer than the writing time of the next segment, continuous tweening can be done.



  • Spiral tween
  • Spiral tween is the function of XY plane arc tween while other axes move along. The figure on the left is an example of moving the Z axis in the + direction based on the arc tweening of the XY plane.

    This control card is equipped with free speed range function. The output speed range is from 1pps to 8Mpps. All speeds can be set in 1pps units.

    When using traditional speed multiplier with constant speed,
    · For low-speed micro settings, set the speed multiplier to small → Cannot move to high-speed drive
    · To perform high-speed driving, set the speed magnification to a large value → Fine driving speed cannot be set
    There are the above restrictions.
    This control card with free speed range eliminates this inconvenience. In the drive, the speed can be changed directly from low speed 1pps, 2pps, to high speed pulse wave speed of 1Mpps.

    Synchronous action is the function of interlocking execution of certain specified actions after certain specified starting elements occur. Since it does not need to be controlled by the CPU, it is possible to perform the specified actions at higher speed and accuracy.

    Each axis can perform 4 sets of synchronous action settings. One set of synchronous actions is composed of one designated activation element and one designated action.
    There are 6 types of starting elements: designated position, start / end drive, and built-in timer. In addition, there are 22 types of actions including start / stop drive, storage of current position count, multi-purpose register, and write drive speed.
    By using multiple sets of synchronous actions, various applications can be realized.

    • When the specified position is passed during driving, an external signal is output. ...and many more

    ● Acceleration and deceleration drive types
    The acceleration / deceleration drive is a constant speed linear acceleration / deceleration drive (symmetric / asymmetric)

    ● Automatically start deceleration
    When driving at the linear acceleration / deceleration (symmetric / asymmetric) and S-shaped acceleration / deceleration driving (symmetric), the IC will calculate the starting deceleration point during deceleration, and the automatic deceleration will start. (Asymmetric S-shaped acceleration / deceleration drive is not supported)

    ● S-shaped acceleration and deceleration curve
    The S-shaped acceleration / deceleration adopts a linear increase / decrease acceleration and deceleration, so the speed curve becomes a quadratic parabola acceleration / deceleration. And this unique method can also be used to prevent triangular waveforms in S-shaped acceleration and deceleration.


    Evaluation tool allows easy evaluation



    user's manual

    中文 PDF Chinese