Performance Motion Devices (Lincoln, MA) offers the Prodigy™-PCI motion card for multi-axis motion control. Available in 1-, 2-, 3-, and 4-axis versions, the card provides trajectory generation, performance trace, on-the-fly changes, and commutation. Motor type can be software- selected on a per-axis basis, and includes DC brush, brushless DC, step, and microstepping. The card communicates via a PCI bus, CANbus, or serial port. Card features include S-curve, trapezoidal, velocity contouring, electronic gearing, and user-generated profile modes. The card accepts input parameters such as position, velocity, acceleration, and jerk from the host, and generates a corresponding trajectory.

ImageThe card provides servo loop rates of up to 50 μsec/axis, 8 Mcount/sec quadrature encoder input rate, highspeed motion trace for servo tuning diagnostics, and pulse and direction output of up to 5 Mpulses/sec. Other features include limit switch input, high-speed position capture, dual loop encoder input, 6-step and sinusoidal commutation, PID filter with feedforward and dual biquad filters, incremental and parallel encoder input, eight general-purpose digital inputs and outputs, and eight 10-bit generalpurpose analog inputs.

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