Product Introduction
The NI-9207 is a high-performance C Series analog input module designed for precision voltage measurement, industrial monitoring, automated testing, and distributed data acquisition applications. It provides 16 analog input channels with 24-bit ADC resolution, making it suitable for applications requiring accurate and reliable voltage measurements.
Designed for CompactDAQ and CompactRIO platforms, the NI-9207 combines high-resolution measurement capability, channel-to-earth isolation, and industrial-grade protection features in a compact modular form factor.
Product Overview
The NI-9207 is part of the National Instruments C Series analog input family. It supports ±10 V voltage measurement with 24-bit resolution and a maximum aggregate sampling rate of 400 kS/s.
Each channel includes a dedicated ADC architecture, providing accurate measurements for industrial sensors, control signals, and laboratory instrumentation. The module supports channel-to-earth isolation, helping reduce ground-loop effects and improve measurement reliability in electrically noisy environments.
The NI-9207 integrates with CompactDAQ and CompactRIO systems through NI-DAQmx, LabVIEW, FlexLogger, and NI Linux Real-Time environments, enabling scalable measurement and monitoring solutions.
Key Features
16 High-Resolution Analog Input Channels
The NI-9207 provides 16 voltage measurement channels for high-density data acquisition applications.
- 16 analog input channels
- 24-bit ADC resolution
- Single-ended voltage measurement
- High measurement accuracy
- Low-noise signal acquisition
Advantage: High-resolution acquisition enables precise monitoring of low-level voltage variations and sensor outputs.
24-Bit ADC Resolution
The advanced ADC architecture provides accurate measurement performance for demanding applications.
- 24-bit analog-to-digital conversion
- High dynamic range
- Improved signal detail
- Excellent repeatability
- Precision measurement capability
Advantage: Allows engineers to capture small signal changes that may not be detectable with lower-resolution DAQ modules.
±10 V Voltage Measurement Range
The NI-9207 is optimized for measuring standard industrial and laboratory voltage signals.
- ±10 V input range
- Bipolar voltage measurement
- Industrial control signal compatibility
- Sensor output acquisition
- Electronic validation applications
Advantage: Provides direct measurement capability for common analog outputs from industrial equipment and instruments.
400 kS/s Aggregate Sampling Rate
The module supports fast multi-channel acquisition for dynamic measurement applications.
- 400 kS/s aggregate sampling
- Hardware-timed acquisition
- Synchronized measurement
- Continuous data logging
- Real-time monitoring support
Advantage: Captures changing voltage signals while maintaining synchronization between channels.
Channel-to-Earth Isolation
Electrical isolation improves measurement reliability in industrial environments.
- Channel-to-earth isolation
- Reduced ground loop interference
- Improved noise immunity
- Protection from voltage differences
- Industrial environment support
Advantage: Enables reliable measurements when sensors and equipment operate at different electrical potentials.
Industrial Protection Features
The NI-9207 includes protection mechanisms for long-term field deployment.
- Overvoltage protection
- Transient protection
- Industrial operating temperature range
- Robust C Series construction
- Reliable field operation
Advantage: Improves system durability for industrial monitoring and remote deployment applications.
Compact C Series Modular Design
The NI-9207 can be installed into CompactDAQ and CompactRIO systems.
- C Series form factor
- Hot-swappable capability in CompactDAQ
- Flexible chassis integration
- Scalable measurement architecture
- Mixed I/O system compatibility
Advantage: Allows engineers to create customized acquisition systems by combining different C Series modules.
Technical Specifications
| Parameter | Description |
|---|---|
| Product Type | C Series Analog Input Module |
| Number of Channels | 16 Analog Inputs |
| Input Configuration | Single-Ended |
| ADC Resolution | 24 Bits |
| Input Range | ±10 V |
| Maximum Sampling Rate | 400 kS/s Aggregate |
| ADC Architecture | Delta-Sigma |
| Isolation | Channel-to-Earth Isolation |
| Input Impedance | High Impedance Differential Input |
| Supported Platforms | CompactDAQ and CompactRIO |
| Connector Type | Spring Terminal |
| Driver | NI-DAQmx |
| Programming Support | LabVIEW, FlexLogger, Python, C/C++, C#, .NET |
Software Ecosystem
The NI-9207 works with NI software tools for measurement configuration, automation, and analysis.
- NI-DAQmx: Provides device configuration, acquisition, timing, synchronization, and programming APIs.
- LabVIEW: Enables graphical development of measurement, monitoring, and control applications.
- FlexLogger: Provides configuration-based data acquisition and engineering monitoring.
- NI MAX: Supports hardware discovery, diagnostics, testing, and configuration.
- DIAdem: Provides measurement data analysis and reporting.
- Python, C/C++, C#, .NET: Supports text-based application development through NI drivers.
Industries
- Industrial Automation
- Process Monitoring
- Energy Systems
- Automotive Testing
- Aerospace Measurement
- Electronics Manufacturing
- Research Laboratories
- Machine Condition Monitoring
Applications
Precision Industrial Measurement
The NI-9207 provides accurate voltage acquisition for industrial equipment monitoring.
- Process variables
- Machine signals
- Control voltage monitoring
- Industrial sensor outputs
Automated Test Systems
The module supports high-resolution measurements in automated validation platforms.
- Electronic testing
- Product validation
- Functional verification
- Quality inspection
Energy Monitoring
High-resolution analog acquisition supports power and infrastructure monitoring.
- Voltage monitoring
- Power system analysis
- Equipment diagnostics
- Remote monitoring
Sensor Data Acquisition
The NI-9207 can measure voltage outputs from various industrial sensors.
- Pressure sensors
- Position sensors
- Analog transmitters
- Instrumentation systems
Comparison with Similar Products
| Model | Main Difference | Best Application |
|---|---|---|
| NI-9207 | 16-channel high-resolution ±10 V analog input module with 24-bit ADC. | Precision industrial voltage measurement |
| NI-9220 | 16-channel ±10 V analog input module with 16-bit resolution and higher sampling flexibility. | General-purpose voltage acquisition |
| NI-9205 | 32-channel multifunction analog input module with programmable ranges. | High-channel-count measurement |
| NI-9219 | Universal analog input module supporting multiple sensor types. | Mixed sensor measurement |
Recommended Related Products
| NI cDAQ-9185 | Ethernet CompactDAQ chassis for distributed measurement systems. |
| NI cRIO-9056 | CompactRIO controller supporting C Series analog and digital modules. |
| NI-9220 | 16-channel voltage measurement module for general analog acquisition. |
| NI-9205 | High-channel-count analog input module for industrial measurement systems. |
| NI-9219 | Universal analog input module for voltage, current, RTD, thermocouple, and bridge sensors. |
Why Choose NI-9207?
- 16 high-resolution analog input channels
- 24-bit ADC measurement accuracy
- ±10 V voltage input range
- 400 kS/s aggregate sampling rate
- Channel-to-earth isolation
- Compact C Series modular architecture
- Compatible with CompactDAQ and CompactRIO
- Excellent performance for industrial measurement
- Supported by NI-DAQmx and LabVIEW
- Reliable long-term field deployment
Frequently Asked Questions
What is the difference between NI-9207 and NI-9220?
The NI-9207 focuses on higher-resolution measurement with a 24-bit ADC, while the NI-9220 provides 16-bit measurement with a higher-density general-purpose voltage acquisition design. The NI-9207 is better suited for precision measurement applications requiring improved signal detail.
Can NI-9207 be used with CompactRIO?
Yes. The NI-9207 is compatible with supported CompactRIO controllers and chassis, providing high-resolution analog input capability for embedded real-time measurement systems.
What software supports NI-9207?
The NI-9207 is supported by NI-DAQmx, LabVIEW, FlexLogger, NI MAX, Python, C/C++, C#, and .NET development environments.
Conclusion
The NI-9207 16-channel C Series analog input module provides high-resolution 24-bit voltage measurement, channel-to-earth isolation, and reliable industrial performance for CompactDAQ and CompactRIO platforms. Its precision acquisition capability makes it an excellent choice for industrial monitoring, automated testing, energy systems, sensor measurement, and applications requiring accurate long-term voltage data collection.
