Description
NI PXI-7344 4-Axis Motion Controller
1. Product Description
The NI PXI-7344 is a high-performance 4-axis motion controller designed for precise automation and robotic systems. As part of National Instruments’ PXI platform, it integrates seamlessly with NI hardware and software (e.g., LabVIEW, Motion Assistant) to enable synchronized multi-axis control, trajectory planning, and real-time feedback. Ideal for applications requiring high accuracy and flexibility, the PXI-7344 supports stepper and servo motors, ensuring smooth operation in industries like manufacturing, semiconductor testing, and research automation.
The NI PXI-7344 is a high-performance 4-axis motion controller designed for precise automation and robotic systems. As part of National Instruments’ PXI platform, it integrates seamlessly with NI hardware and software (e.g., LabVIEW, Motion Assistant) to enable synchronized multi-axis control, trajectory planning, and real-time feedback. Ideal for applications requiring high accuracy and flexibility, the PXI-7344 supports stepper and servo motors, ensuring smooth operation in industries like manufacturing, semiconductor testing, and research automation.
2. Key Technical Parameters
| Parameter | Specification |
|---|---|
| Axes Supported | 4 independent axes |
| Motor Type | Stepper, servo (brushless/dc) |
| Encoder Resolution | Up to 16 million counts/revolution |
| Communication | RS-422/485, Ethernet (optional) |
| Supply Voltage | 5V DC (PXI backplane) |
| Update Rate | 20 kHz (position loop), 100 kHz (I/O) |
| Compatibility | PXI/PXIe chassis (e.g., NI cDAQ-9188) |
| Safety Features | Emergency stop, software limits |
NI PXI-7344
3. Advantages and Features
- Multi-Axis Synchronization: Coordinates up to 4 axes for complex motion profiles (e.g., linear interpolation, circular arcs).
- Real-Time Performance: 20 kHz position update rate ensures minimal latency for dynamic applications.
- Flexible Control Modes: Supports velocity, torque, and position control with customizable PID parameters.
- Easy Integration: Pre-built drivers and LabVIEW modules reduce development time by 30% compared to custom solutions.
- Compact Design: 3U PXI form factor saves space in industrial environments.
4. Application Areas and Case Studies
Industries:
Industries:
- Industrial automation (pick-and-place systems)
- Robotics (SCARA, Cartesian robots)
- Semiconductor manufacturing (wafer handling)
Case Study:
A leading electronics manufacturer improved assembly line efficiency by 25% using the PXI-7344 to control a 4-axis SCARA robot. The controller’s real-time trajectory planning minimized cycle times while maintaining micron-level precision, reducing defective products by 15%.
A leading electronics manufacturer improved assembly line efficiency by 25% using the PXI-7344 to control a 4-axis SCARA robot. The controller’s real-time trajectory planning minimized cycle times while maintaining micron-level precision, reducing defective products by 15%.
5. Competitor Comparison
Compared to legacy motion controllers, the PXI-7344 offers:
Compared to legacy motion controllers, the PXI-7344 offers:
- Scalability: Expandable via PXI modules (e.g., analog I/O, vision systems).
- Software-Defined Flexibility: Customizable logic in LabVIEW without hardware modifications.
- Cost-Effectiveness: Lower maintenance costs due to standardized PXI components.
NI PXI-7344
6. Selection Recommendations
- Axis Requirements: Opt for the PXI-7344 for 4-axis systems; consider the PXI-7358 for 8-axis needs.
- Environment: Use shielded cables in high-EMI environments to prevent signal interference.
- Software: Pair with LabVIEW for rapid prototyping or TestStand for automated test sequences.
7. Precautions
- Installation: Ground the chassis properly to avoid electrostatic discharge (ESD) damage.
- Motor Matching: Ensure motor torque and encoder resolution align with application requirements.
- Firmware Updates: Regularly update NI drivers to access new features and bug fixes.
