105-040200-02 Pacific Scientific
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The Pacific Scientific 105-040200-02 is a main board from the 105 Motion Control Cards series, designed for 3-phase permanent magnet brushless motors. It features four-quadrant control, torque or velocity control modes, and a wide dynamic velocity loop range. The board operates at 115/230 VAC input voltage, uses high-frequency PWM for current control, and includes integral fusing and MOV input protection.
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Product Description:
The 105-040200-02 is a motion control card manufactured by Pacific Scientific within the 105 Motion Control Cards series. Installed in multi-axis servo racks, the card converts high-level commands from the machine controller into real-time drive signals for brushless motors used in pick-and-place stations, indexing tables, and similar automation. Acting as the axis processor, it supervises current loops, processes feedback, and issues gating information to external power stages, linking supervisory logic to motor torque production.
As a main board, the card hosts all control logic and feedback decoding on a single PCB, reducing wiring between stages. Its control architecture supports torque or velocity mode, allowing operation to be set for either precise force regulation or speed regulation through software parameters. Phase current is modulated with a high-frequency PWM algorithm, and the elevated switching rate minimizes ripple in the stator current while improving acoustic performance. Drive protection includes an adjustable peak current limit, so the current ceiling can be matched to the motor’s thermal capability. The card accepts a utility feed of 115/230 VAC, and metal-oxide varistor input protection clamps surges before they reach the logic. Integral fusing and a partially enclosed housing add another layer of safety by isolating live conductors.
Command signals leave the board through magnetic or optical isolation stages, decoupling ground faults between the low-level controller and the power amplifier. Four-quadrant regeneration is available, and this four-quadrant capability lets the drive decelerate loads and return energy to the DC link without external hardware. The card is intended for 3-phase permanent-magnet brushless machines, aligning sinusoidal phase currents with rotor position for smooth motion across the speed band. Inside the digital processor, the velocity loop operates over a wide dynamic range, so rapid indexing moves and slow creep feeds can be handled with the same card by adjusting loop gains rather than changing hardware.
Frequently Asked Questions about 105-040200-02:
Q: What control modes does the 105-040200-02 main board offer?
A: The 105-040200-02 main board by Pacific Scientific supports both torque and velocity control modes for flexible motion applications.
Q: How is the output isolation achieved in the 105-040200-02 board?
A: This board provides output isolation through magnetic and optical means for enhanced safety.
Q: What input voltage options are supported by the 105-040200-02?
A: The 105-040200-02 can be powered with either 115 VAC or 230 VAC, allowing for different installation environments.
Q: How does the 105-040200-02 main board manage current control?
A: A high-frequency PWM method is used for current control in this model, allowing precise motor operation.
Q: Which motor type is supported by the 105-040200-02 board?
A: The board is compatible with 3-phase permanent magnet brushless motors.