NI-9505 Series Motor Drive Module

Three-Loop Control Architecture: Integrates position, speed, and current loops, supporting full closed-loop control for sub-micron positioning accuracy.

Adaptive PID Algorithm: Built-in intelligent PID controller auto-adjusts parameters based on load changes to optimize system response and suppress oscillations.

High-Resolution Encoder Interface: Supports incremental encoders (up to 20 MHz) and absolute encoders (e.g., SSI, BiSS) for precise position feedback.

Wide Voltage Input Range: 18–30VDC, compatible with various industrial power systems.

Programmable Current Limiting: Peak current up to 10A, continuous current 5A; dynamically adjustable via software to protect motors and drivers.

Four-Quadrant Operation: Enables forward/reverse rotation and energy feedback, suitable for applications requiring rapid start/stop and braking.

Wide Temperature Range: -40°C to 70°C, adapting to harsh industrial environments.

Rugged Mechanical Structure: Metal housing with DIN rail mounting, resistant to vibration (5g) and shock (50g).

Multiple Protection Mechanisms: Integrates overvoltage, overcurrent, short-circuit, and overheat protection for safe operation.

Explosion-Proof Certification: Complies with Class I, Division 2, Groups A–D, T4 and Zone 2, suitable for potentially explosive environments.

CompactDAQ Compatibility: As part of the NI cDAQ platform, supports hot-swapping and distributed control.

LabVIEW FPGA Integration: Enables custom control algorithms via LabVIEW FPGA, supporting Hardware-in-the-Loop (HIL) testing.

TEDS Sensor Support: Automatically identifies and configures TEDS-compatible sensors for simplified system deployment.

Analog I/O: Provides ±10V analog input/output for legacy control system integration.

Digital I/O: 8 digital inputs (4 configurable as encoder inputs) and 4 digital outputs for logic control.

Industrial Bus Support: Optional CANopen, EtherCAT, or Modbus TCP modules for distributed motion control.

Real-Time Status Feedback: Monitors motor current, voltage, temperature, and other parameters in real time.

Fault Diagnosis: Built-in fault code system supports remote diagnostics and predictive maintenance.

Data Logging: Enables high-speed data acquisition and storage for system performance analysis.

Graphical Programming: Develops control logic rapidly via LabVIEW without low-level coding.

Plug-and-Play Configuration: Auto-identifies modules through NI MAX, supporting parameter import/export.

Preconfigured Control Templates: Provides standard templates for position, speed, and torque control to accelerate development.

Automated Production Lines: Precision positioning, conveyor synchronization, robot joint actuation.

Semiconductor Equipment: Wafer handling and high-precision motion control in lithography systems.

Medical Devices: Precision control for surgical robots and medical imaging equipment.

Aerospace Testing: Wind tunnel model control and load simulation systems.

Working Principle:
Receives target position commands (e.g., pulse sequences, analog voltage, or digital values), calculates the deviation from the current position, and drives the motor to the specified position via three-loop control (position→speed→current).

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Maintains constant motor speed via speed and current loop feedback control based on input speed commands (analog or digital). Speed feedback typically comes from encoders or tachogenerators.

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Directly controls motor output torque (proportional to current) by adjusting current based on input torque commands (typically analog voltage), independent of position or speed.

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Combines advantages of multiple control modes (e.g., adding speed feedforward or torque compensation to position control) to enhance dynamic response and anti-interference capabilities.

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Drives the motor to find the mechanical origin (zero position) via limit switches or encoder Z-phase pulses, supporting methods like direct search and slow approach.

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Multiple NI-9505 modules form a master-slave system where slave modules follow the position, speed, or torque output of the master module for synchronized motion.

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Controls motor movement at preset speeds or increments via external switches or software commands, commonly used for equipment debugging and maintenance.

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