9505 National Instruments Central control module

Description

9505 National Instruments Central control module

Product Dimensions：

Product Description

In the context of National Instruments (NI), the NI 9505 is a single-axis, full-bridge Servo Motor Drive Module designed for use within the CompactRIO or CompactDAQ platforms. It allows you to drive brushed DC motors directly from the chassis.

Product Parameters

The NI 9505 is a C Series module that bridges the gap between low-power control signals and high-power motor actuation.

Key Product Advantages

• Direct Drive Capability: Unlike most modules that only output control signals (like +/-10V), the NI 9505 contains the actual power electronics to drive a motor directly, reducing the need for external third-party drives.

• FPGA Integration: When used with CompactRIO, the NI 9505 communicates directly with the FPGA. This allows you to implement custom, ultra-high-speed control loops (PID) and specialized safety interlocks with microsecond latency.

• Built-in Protection: Features integrated over-current, under-voltage, and over-temperature protection to prevent damage to the module or the connected motor.

• LabVIEW SoftMotion Compatible: Seamlessly integrates with the LabVIEW SoftMotion Module, allowing you to develop complex motion profiles (straight lines, arcs, electronic gearing) using high-level function blocks.

• Compact Footprint: By combining the drive and the feedback (encoder) interface into a single C Series slot, it saves significant space in control cabinets.

Product Applications

• Robotics: Controlling the joints of small-to-medium robotic arms or mobile rover platforms.

• Automated Test Equipment (ATE): Precise positioning of probes or moving parts within a test fixture.

• Medical Devices: Actuating pumps, laboratory automation liquid handlers, or precision scanning tables.

• Semiconductor Manufacturing: Wafer handling and alignment systems where high-speed, deterministic motion is required.

• Valve Control: High-torque proportional control of industrial valves in fluid power systems.

Important Usage Notes (Precautions)

• External Power Supply: The NI 9505 requires an external Vsup power supply (8-30V) to drive the motor; it does not draw motor power from the CompactRIO backplane.

• Heat Dissipation: Under high continuous current (5A), the module generates significant heat. Ensure proper ventilation and spacing within the chassis.

• Regenerative Braking: If the motor is decellerating a high-inertia load, it may “back-feed” energy. In some cases, an external shunt resistor or large capacitor across the power supply lines may be needed to prevent over-voltage trips.

• Inductive Kickback: Always use shielded cabling for motor leads to minimize electromagnetic interference (EMI) that could affect nearby sensitive analog modules.

Software Requirements

To use the NI 9505 effectively, you typically need:

1. LabVIEW (Professional Development System).

2. LabVIEW Real-Time and LabVIEW FPGA Modules.

3. NI-CompactRIO drivers.

4. (Optional) LabVIEW SoftMotion Module for advanced trajectory planning.

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