Description
The NI-9251 with part number 783814-01 falls under the category of C Series Analog Input modules designed for precise and efficient data acquisition tasks. This module features a 2-Channel Voltage Input system, which ensures that it can handle multiple signals simultaneously, making it an ideal choice for a variety of applications.
For connectivity, it employs a Mini XLR interface, providing a secure and reliable connection for your data acquisition needs. The NI-9251 boasts an impressive update rate of up to 102.4 kS/s, enabling it to capture fast-changing signals with high fidelity. Additionally, it offers an input range of 3 Vrms and a high resolution of 24-bit, ensuring that even the most subtle signal variations are accurately captured.
Compatibility is a key feature of the NI-9251, as it is designed to work seamlessly with CompactRIO and CompactDAQ systems. This makes it a versatile choice for engineers and researchers working within these ecosystems. Furthermore, the module is equipped with overvoltage protection of ±30 V, safeguarding your equipment and data against unexpected voltage spikes.
The input coupling is software-selectable AC/DC, offering flexibility in signal acquisition and processing. The module also features a maximum idle channel noise of 8.5 μVrms, ensuring that your data is not only accurate but also free from unwanted noise.
When it comes to electrical characteristics, the NI-9251 provides an input resistance of 2 MΩ (Single Ended) / 4 MΩ (Differential) and an input capacitance of 940 pF from the input pin to ground. These specifications ensure that the module can handle a wide range of signal types and sources, further enhancing its versatility and applicability in various scenarios.
| Specification | Details |
|---|---|
| Part Number | 783814-01 |
| Category | C Series Analog Input |
| Model | NI-9251 |
| 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 |
| Maximum Idle Channel Noise | 8.5 μVrms |
| Input Resistance (Single Ended / Differential) | 2 MΩ / 4 MΩ |
| Input Capacitance | 940 pF from input pin to ground |
Question 1: What is the part number for NI-9251?
Answer 1: 783814-01
Question 2: How many channels does NI-9251 have?
Answer 2: 2-Channel Voltage Input
Question 3: What is the update rate of NI-9251?
Answer 3: Up to 102.4 kS/s
Question 4: What type of connectivity does the NI-9251 use?
Answer 4: Mini XLR interface
Question 5: What is the input range of NI-9251?
Answer 5: 3 Vrms




