NI-9402 C Series Digital Input/Output Module
The NI-9402 is a high-speed C Series digital input/output module designed for pulse measurement, encoder interfacing, industrial automation, motion control, and automated test applications. Developed by National Instruments, the NI-9402 provides eight digital I/O channels for CompactDAQ and CompactRIO systems.
The NI-9402 supports fast digital signal acquisition and generation, making it suitable for applications requiring precise timing, counter operations, and high-speed device communication. With TTL/CMOS compatibility and flexible channel configuration, it provides a reliable solution for demanding digital applications.
Supporting NI-DAQmx software, LabVIEW programming, and C Series modular architecture, the NI-9402 enables scalable digital measurement and control systems.
Key Features of NI-9402
8-Channel High-Speed Digital I/O
The NI-9402 provides eight digital channels that can be configured for input or output operation.
- 8 digital I/O channels
- Bidirectional channel configuration
- TTL/CMOS compatibility
- High-speed digital operation
High-Speed Counter and Pulse Measurement
The NI-9402 is optimized for applications requiring accurate timing and digital pulse acquisition.
- Pulse counting
- Encoder signal measurement
- Frequency measurement
- Digital timing applications
Flexible Digital Signal Interface
The NI-9402 enables communication and control with various digital devices and industrial equipment.
- Sensor interfaces
- Actuator control
- Trigger signals
- External device communication
C Series Modular Architecture
The NI-9402 uses NI C Series technology for flexible integration into CompactDAQ and CompactRIO platforms.
- CompactDAQ compatibility
- CompactRIO compatibility
- Modular system expansion
- Distributed measurement capability
NI Software Integration
The NI-9402 supports NI software tools for digital measurement and automation development.
- NI-DAQmx support
- LabVIEW integration
- NI MAX configuration
- TestStand compatibility
Applications of NI-9402
Motion Control Systems
The NI-9402 provides high-speed digital interfacing for motion and position measurement applications.
- Encoder feedback
- Motor control systems
- Position monitoring
- Motion automation
Industrial Automation
The NI-9402 enables reliable digital control and monitoring in industrial environments.
- Machine automation
- Factory control
- Equipment monitoring
- Industrial communication
Automated Test Systems
The NI-9402 supports automated test applications requiring fast digital triggering and measurement.
- Test synchronization
- Production testing
- Functional verification
- Digital device testing
Embedded and Research Systems
The NI-9402 provides flexible digital I/O capability for engineering research and prototype systems.
- Embedded development
- Prototype validation
- Digital experiments
- Custom control systems
Software Support
The NI-9402 supports National Instruments software platforms for digital control and measurement applications.
- LabVIEW
- NI-DAQmx
- NI MAX
- TestStand
Technical Specifications of NI-9402
| Feature | Description |
|---|---|
| Product Type | C Series Digital Input/Output Module |
| Platform | CompactDAQ / CompactRIO |
| Channels | 8 Digital I/O Channels |
| Signal Type | TTL/CMOS Digital Signals |
| Function | Digital I/O, Counter, Pulse Measurement |
| Software | LabVIEW, NI-DAQmx |
| Applications | Motion control, automation, digital testing |
Comparison with Similar C Series Digital I/O Modules
| Model | Main Difference | Best Application |
|---|---|---|
|
NI-9402 | High-speed digital I/O module optimized for counters, timing, and encoder applications. | Motion and pulse measurement |
|
NI-9401 | Bidirectional digital I/O module designed for general digital interfacing applications. | Digital control and triggering |
|
NI-9425 | Industrial digital input module designed for sensor and switch monitoring. | Industrial digital input |
|
NI-9472 | Industrial digital output module designed for actuator and device control. | Industrial output switching |
Recommended Related Products
The following products are commonly used with the NI-9402 to build complete CompactDAQ and CompactRIO digital control and measurement systems.
|
NI cDAQ-9189 | Ethernet CompactDAQ chassis for distributed digital measurement and automation systems. |
|
NI cDAQ-9178 | 8-slot CompactDAQ chassis for multi-module industrial acquisition systems. |
|
NI-9401 | High-speed bidirectional digital I/O module for flexible digital control applications. |
|
NI-9411 | Digital input module designed for encoder and industrial signal acquisition. |
|
NI cRIO-9045 | CompactRIO controller for industrial automation and embedded control systems. |
Why Choose NI-9402
- High-speed digital input and output capability
- Supports counters, encoders, and pulse measurement
- TTL/CMOS compatible digital interface
- Compatible with CompactDAQ and CompactRIO
- Supports NI-DAQmx and LabVIEW
- Ideal for motion control and automated testing
Conclusion
The NI-9402 C Series Digital Input/Output Module provides a powerful and flexible solution for engineers requiring high-speed digital signal acquisition and control in CompactDAQ and CompactRIO systems.
With fast digital operation, configurable channels, C Series modular architecture, and NI software integration, the NI-9402 is an excellent choice for motion control, industrial automation, encoder measurement, and automated test applications.
