Description
The NI-9251 with Mini XLR, identified by its part number 157874A-01L (783814-01), is a high-performance module categorized under C Series Analog Input. This module is specifically designed to cater to applications requiring precise analog input functionalities. It boasts a 2-Channel Voltage Input system which is perfectly complemented by its Mini XLR connectivity option, enhancing its versatility in various applications.
The NI-9251 is engineered to support an impressive update rate of up to 102.4 kS/s, ensuring that it can handle fast signals with ease. The module can accommodate an input range of 3 Vrms, making it suitable for a wide array of signal types. With a 24-bit resolution, the NI-9251 guarantees high-fidelity data acquisition, critical for accurate and reliable measurements.
This module is designed to be compatible with CompactRIO and CompactDAQ systems, allowing for seamless integration into existing setups without the need for extensive modifications or upgrades. The overvoltage protection feature is rated at ±30 V, providing a significant safeguard against unexpected voltage spikes that could potentially damage the system.
One of the notable features of the NI-9251 is its software-selectable AC/DC input coupling, offering users the flexibility to adapt the module according to the specific requirements of their application. Additionally, the module is characterized by a max idle channel noise of 8.5 µVrms, ensuring that the data captured is not only accurate but also free from unwanted noise.
The input resistance of the module is 2 MΩ single ended and 4 MΩ differential, providing options for various sensor types and configurations. Furthermore, the input capacitance is rated at 940 pF from input pin to ground, indicating the module’s ability to handle a wide range of input signals without compromising on performance.
In summary, the NI-9251 with Mini XLR is a robust and versatile analog input module that offers high accuracy, flexibility, and protection for demanding applications. Its
| Specification | Detail |
|---|---|
| Part Number | 157874A-01L (783814-01) |
| Category | C Series Analog Input |
| Model | NI-9251 |
| Description | NI 9251 with Mini XLR, 2-Channel Analog Input |
| Channels | 2-Channel Voltage Input |
| Connectivity | Mini XLR |
| Update Rate | Up to 102.4 kS/s |
| Input Range | 3 Vrms |
| Resolution | 24-bit |
| Compatibility | CompactRIO and CompactDAQ systems |
| Overvoltage Protection | ±30 V |
| Input Coupling | Software-selectable AC/DC |
| Max Idle Channel Noise | 8.5 µVrms |
| Input Resistance | 2 MΩ single ended, 4 MΩ differential |
| Input Capacitance | 940 pF from input pin to ground |
Question 1: What is the update rate of the NI-9251?
Answer 1: 102.4 kS/s
Question 2: What is the input range of the NI-9251?
Answer 2: 3 Vrms
Question 3: What systems is the NI-9251 compatible with?
Answer 3: CompactRIO and CompactDAQ
Question 4: What type of input coupling does the NI-9251 support?
Answer 4: Software-selectable AC/DC
Question 5: What is the overvoltage protection rating of the NI-9251?
Answer 5: ±30 V
