NI-9145 CompactRIO Expansion Chassis
The NI-9145 is a CompactRIO Expansion Chassis designed to extend the I/O capability of CompactRIO systems for distributed industrial control, real-time monitoring, and advanced data acquisition applications. Developed by National Instruments, the NI-9145 provides a flexible expansion platform for adding additional C Series I/O modules to existing CompactRIO systems.
The NI-9145 enables engineers to deploy distributed measurement and control systems by connecting remote I/O modules through industrial communication networks. It is widely used in industrial automation, machine monitoring, energy systems, transportation testing, and embedded control applications.
With support for multiple C Series modules and rugged industrial design, the NI-9145 helps engineers build scalable and reliable real-time control systems.
Key Features of NI-9145
CompactRIO Expansion Platform
The NI-9145 provides additional I/O expansion capability for CompactRIO systems, allowing engineers to increase channel count and system flexibility.
- CompactRIO expansion chassis
- Supports NI C Series I/O modules
- Extends CompactRIO system capability
- Suitable for distributed measurement systems
- Flexible industrial automation solution
EtherCAT-Based Distributed I/O Expansion
The NI-9145 supports EtherCAT communication for reliable distributed I/O deployment in industrial environments.
- Industrial EtherCAT communication
- Deterministic data transfer
- Remote I/O deployment
- Suitable for synchronized control systems
Support for C Series Modules
The NI-9145 supports a wide range of NI C Series modules for analog, digital, and specialized measurements.
- Analog input modules
- Analog output modules
- Digital input/output modules
- Counter/timer modules
- Industrial communication modules
Industrial-Grade Design
The NI-9145 is designed for reliable operation in demanding industrial environments.
- Rugged embedded design
- Industrial temperature support
- Reliable long-term operation
- Suitable for factory environments
Integration with CompactRIO Systems
The NI-9145 works together with CompactRIO controllers and LabVIEW Real-Time software to create complete embedded control systems.
- Compatible with CompactRIO controllers
- LabVIEW FPGA support
- Real-time control capability
- Scalable system architecture
Applications of NI-9145
Industrial Automation
The NI-9145 is widely used for distributed industrial control and machine automation applications.
- Machine monitoring
- Factory automation
- Process control
- Industrial data acquisition
Energy Monitoring Systems
The NI-9145 provides flexible I/O expansion for energy and infrastructure monitoring systems.
- Power monitoring
- Renewable energy systems
- Grid measurement
- Remote monitoring
Transportation and Vehicle Testing
The NI-9145 can be integrated into transportation test systems requiring distributed real-time measurement.
- Vehicle testing
- Automotive data acquisition
- Embedded monitoring
- Real-time control systems
Research and Development
The NI-9145 provides a flexible platform for engineering research and prototype development.
- Embedded system development
- Prototype testing
- Real-time measurement
- Control algorithm validation
Software Support
The NI-9145 works with National Instruments software tools for embedded control and industrial automation development.
- LabVIEW
- LabVIEW FPGA
- LabVIEW Real-Time
- NI MAX
- EtherCAT support
Technical Specifications of NI-9145
| Feature | Description |
|---|---|
| Product Type | CompactRIO Expansion Chassis |
| Platform | CompactRIO / RIO |
| Communication | EtherCAT |
| Module Support | NI C Series I/O modules |
| Software | LabVIEW Real-Time and LabVIEW FPGA |
| Applications | Industrial control, automation, data acquisition, embedded systems |
Comparison with Similar CompactRIO Expansion Chassis
| Model | Main Difference | Best Application |
|---|---|---|
NI-9145 | CompactRIO expansion chassis designed for distributed C Series I/O expansion. | Industrial automation and remote I/O systems |
NI-9146 | CompactRIO expansion chassis with EtherCAT communication support. | Distributed industrial control systems |
NI-9147 | CompactRIO expansion chassis for advanced distributed measurement applications. | Complex embedded control systems |
NI-9148 | Industrial CompactRIO expansion chassis for high-performance applications. | Large-scale distributed automation |
Recommended Related Products
The following products are commonly used with the NI-9145 to build complete CompactRIO industrial control and measurement systems.
NI cRIO-9045 | CompactRIO controller with real-time processing and FPGA capability for industrial automation applications. |
NI cRIO-9035 | CompactRIO controller designed for embedded control, monitoring, and industrial measurement systems. |
NI-9215 | C Series analog input module for voltage measurement and data acquisition applications. |
NI-9472 | C Series digital output module for industrial control and automation systems. |
NI-9146 | CompactRIO expansion chassis for additional C Series I/O integration. |
Why Choose NI-9145
- Flexible CompactRIO I/O expansion capability
- Supports NI C Series modules
- EtherCAT distributed communication
- Designed for industrial environments
- Compatible with LabVIEW FPGA and Real-Time
- Ideal for automation and embedded control applications
Conclusion
The NI-9145 CompactRIO Expansion Chassis provides a reliable solution for engineers expanding CompactRIO systems with additional distributed I/O capability.
With EtherCAT communication, C Series module support, industrial-grade design, and seamless integration with LabVIEW-based development environments, the NI-9145 is an excellent choice for industrial automation, embedded control, data acquisition, and real-time measurement applications.


