The NI cRIO-9068 is a rugged 8-slot CompactRIO embedded controller designed for industrial automation, distributed measurement, machine monitoring, and deterministic real-time control in harsh environments. It combines a dual-core ARM Cortex-A9 processor, Xilinx Zynq-7020 FPGA, modular C Series I/O, and NI Linux Real-Time into a compact embedded control platform.
Typical applications include:
- Industrial automation
- Distributed data acquisition
- Machine condition monitoring
- Remote measurement systems
- Embedded test systems
- Energy monitoring
- Outdoor industrial control
- Harsh-environment deployment
Processor and FPGA Architecture
The cRIO-9068 is based on a Zynq SoC architecture, integrating ARM processing and FPGA hardware in one platform.
Key architecture features include:
- 667 MHz dual-core ARM Cortex-A9 processor
- Xilinx Zynq-7020 FPGA
- 8-slot CompactRIO architecture
- NI Linux Real-Time operating system
- Modular NI C Series I/O support
The FPGA layer supports deterministic timing, trigger logic, encoder handling, digital processing, custom FPGA control, and real-time signal processing. This makes the cRIO-9068 suitable for systems where software-only control is not stable enough for timing-critical industrial tasks.
Modular C Series Expansion
The cRIO-9068 supports up to 8 NI C Series modules, allowing engineers to configure the system for mixed signal and industrial control requirements.
Common module types include:
- Analog input/output
- Digital I/O
- Temperature measurement
- Strain and bridge measurement
- Vibration and IEPE acquisition
- CAN communication
- Serial communication
- Industrial communication interfaces
The 8-slot architecture makes it suitable for systems requiring more sensor channels, more I/O diversity, or distributed monitoring across multiple physical processes.
Rugged Industrial Design
The cRIO-9068 is positioned for more demanding environments than standard cRIO-906x controllers. It is suitable for industrial cabinets, outdoor systems, transportation platforms, energy infrastructure, and remote monitoring stations.
Industrial design advantages include:
- Rugged fanless construction
- Wide-temperature deployment suitability
- Compact 8-slot embedded design
- DIN-rail and panel mounting support
- Industrial power input
- Shock and vibration resistance
For engineers, the main value of cRIO-9068 is stable long-term operation in environments where standard controllers may not be reliable enough.
Application-Oriented Use Cases
Machine Condition Monitoring
With vibration, temperature, and analog input modules, the cRIO-9068 can be used for motor monitoring, pump diagnostics, bearing analysis, and predictive maintenance.
Remote Industrial Measurement
The rugged 8-slot design is suitable for remote data acquisition nodes in energy systems, factories, transportation systems, and outdoor industrial monitoring.
Embedded Industrial Automation
The controller can run real-time control logic through NI Linux Real-Time while using FPGA resources for low-latency triggering, digital timing, and custom signal handling.
Embedded Test Systems
The cRIO-9068 is suitable for test platforms requiring mixed-signal acquisition, serial communication, digital control, rugged deployment, and deterministic execution.
Comparison with Similar Models
| Model | Main Difference | Typical Use |
|---|---|---|
| cRIO-9066 | 8-slot, lower memory/storage | Cost-sensitive distributed systems |
| cRIO-9067 | 8-slot standard environment version | General distributed measurement |
| cRIO-9068 | Rugged / harsh-environment 8-slot version | Outdoor and harsh industrial systems |
| cRIO-9057 | Newer Artix-7 100T FPGA platform | New-generation distributed control |
| cRIO-9049 | Kintex-7 325T FPGA platform | FPGA-intensive industrial systems |
Compared with cRIO-9067, the cRIO-9068 is more suitable for harsh-environment deployment. Compared with newer cRIO-9057 systems, the cRIO-9068 uses an earlier Zynq architecture, but it remains practical for rugged distributed acquisition and embedded control applications.
Conclusion
The NI cRIO-9068 is a rugged 8-slot CompactRIO controller for harsh-environment industrial automation, distributed measurement, embedded monitoring, and deterministic control.
Its combination of:
- ARM Cortex-A9 processing
- Xilinx Zynq FPGA
- NI Linux Real-Time
- 8-slot C Series expansion
- Rugged industrial construction
- FPGA-based deterministic timing
makes it a practical choice for engineers building remote monitoring systems, machine condition monitoring platforms, embedded test systems, and distributed industrial control nodes.
