- Brand: National Instruments
- Product Code: NI 9426
Available Options
NI 9426 – 24-Channel Digital Input Module for Industrial Automation
Manufacturer: National Instruments
Form Factor: C Series Module (CompactDAQ / CompactRIO)
The NI 9426 is a high-density 24-channel sinking digital input module designed for monitoring 24 V industrial signals. It integrates seamlessly into CompactDAQ and CompactRIO systems, making it an ideal choice for reliable digital signal acquisition in automated environments.
Key Features & Specifications
- Digital Input Channels: 24
- Voltage Range: 6 V to 30 V DC (nominal 24 V)
- Input Type: Sinking
- Response Time: ~7 µs
- Interface: C Series (CompactDAQ / CompactRIO)
- Operating Temperature: -40°C to 70°C
Why Choose the NI 9426?
High Channel Density
Offers 24 digital inputs in one compact module, reducing system size and simplifying wiring in large-scale setups.
Industrial Compatibility
Supports 24 V logic levels widely used in automation and control environments.
Fast and Reliable
Fast 7 µs response time ensures accurate digital monitoring in time-sensitive applications.
Applications
- PLC signal monitoring
- Industrial automation systems
- Digital input acquisition in test stands
- Machine control and diagnostics
Alternative Models from Other Manufacturers
| Feature | NI 9426 | Advantech ADAM-5056D | Siemens SM 1221 | Beckhoff EL1008 |
|---|---|---|---|---|
| Digital Input Channels | 24 | 16 | 8 | 8 |
| Voltage Range | 6–30 V | 10–30 V | 24 V | 24 V |
| Operating Temperature | -40°C to 70°C | -10°C to 60°C | 0°C to 55°C | -25°C to 60°C |
| Form Factor | C Series | DIN Rail | S7-1200 Module | EtherCAT Terminal |
Customer Testimonials
"The NI 9426 helped us simplify digital signal acquisition in our CompactDAQ-based test bench. It's reliable and industrial-grade." - Automation Test Engineer
"Thanks to the NI 9426, we were able to monitor 24 PLC inputs with one module – no mess, no complexity." - Control Systems Integrator
Documentation
All configuration instructions and electrical specifications are included in the standard product manual provided with the module.
Conclusion
The NI 9426 is a compact and efficient digital input module that provides fast, reliable acquisition of 24 V signals in industrial systems. It’s the perfect solution for engineers building scalable automation and monitoring platforms using NI’s C Series architecture.
Upgrade your control system today with the NI 9426 and simplify your digital signal acquisition.
Product Tags:
NI 9426, Digital Input Module, 24-Channel Input, C Series, CompactDAQ, CompactRIO, Industrial Automation, Modular Test Systems, PXI Test Equipment
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