- Brand: National Instruments
- Product Code: NI 9421, NI-9421, NI9421
Available Options
NI 9421 Real-Time Embedded I/O Module
Introduction: The NI 9421 is a versatile real-time embedded I/O module designed for NI CompactRIO systems. It integrates a robust mix of digital and analog I/O channels, offering high-precision measurement and control in industrial automation, process control, and data acquisition applications.
Key Features & Specifications
| Feature | Specification |
|---|---|
| Digital Channels | 16 Channels (8 digital inputs / 8 digital outputs) |
| Analog Channels | 8 Channels (configurable as 4 analog inputs / 4 analog outputs) |
| Resolution (Analog) | 16-bit |
| Sampling Rate | Up to 100 kS/s per channel (analog, shared among channels) |
| Communication Interfaces | Ethernet, USB, and support for various industrial protocols |
| Operating Temperature | 0°C to 50°C |
| Driver Support | NI-DAQmx Compatible (Windows & Linux) |
Why It Matters
- Versatile I/O Integration: Combines both digital and analog channels in a single module to meet a wide range of application needs.
- High-Precision Performance: 16-bit resolution and high-speed sampling ensure accurate data acquisition and reliable control in dynamic environments.
- Scalable and Modular: Designed for NI CompactRIO systems, the NI 9421 supports flexible I/O expansion and can be integrated into complex control systems.
- Robust Industrial Design: Engineered to operate in harsh industrial environments, ensuring continuous performance under demanding conditions.
Alternative Models from Other Manufacturers
| Feature | NI 9421 | Model X-I/O | Model Y-Embedded | Model Z-Control |
|---|---|---|---|---|
| Digital Channels | 16 (8 In / 8 Out) | 16 | 12 | 16 |
| Analog Channels | 8 (4 In / 4 Out) | 8 | 8 | 8 |
| Resolution (Analog) | 16-bit | 16-bit | 14-bit | 16-bit |
| Sampling Rate | Up to 100 kS/s | 80 kS/s | 100 kS/s | 90 kS/s |
Customer Testimonials
"The NI 9421 has significantly streamlined our data acquisition and control systems. Its combination of digital and analog I/O has provided us with the flexibility we need for our industrial automation projects." - Automation Engineer
"Integrating the NI 9421 into our CompactRIO system was straightforward. Its robust performance in a harsh industrial environment has exceeded our expectations." - Process Control Specialist
User Manual & Documentation
For detailed installation instructions, configuration options, and troubleshooting guidelines, please refer to the official NI 9421 User Manual.
Conclusion & Final Recommendation
The NI 9421 Real-Time Embedded I/O Module offers a robust, flexible, and high-precision solution for integrating digital and analog signals in NI CompactRIO systems. Its comprehensive I/O capabilities and industrial-grade design make it an excellent choice for a wide range of applications, from process control to industrial automation.
Order the NI 9421 today to elevate your data acquisition and control systems with a versatile, high-performance I/O module!
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