Description
The NI-9251 is a highly precise C Series Analog Input module, identified by its part number 783814-01. This module is designed for 2-Channel Voltage Input applications and ensures a secure connection through its Mini XLR connectivity. It boasts an impressive update rate of up to 102.4 kS/s, accommodating a wide range of signal sampling needs.
The NI-9251 is capable of handling an input range of 3 Vrms, with a high-resolution output of 24-bit, ensuring detailed and accurate signal acquisition. This module is compatible with CompactRIO and CompactDAQ systems, making it a versatile choice for a variety of measurement and automation applications.
Designed with safety in mind, it features overvoltage protection of ±30 V on both channels, safeguarding the device and connected equipment from unexpected voltage spikes. The AC/DC input coupling is software-selectable, offering flexibility in signal measurement and analysis.
The NI-9251 is engineered to minimize noise, with a maximum idle channel noise of 8.5 μVrms, ensuring high fidelity in signal capture. It has an input resistance of 2 MΩ single ended, 4 MΩ differential, and an input capacitance of 940 pF from input pin to ground, optimizing performance for a wide range of sensor types and measurement configurations.
| 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 on both channels |
| AC/DC Input Coupling | Software-selectable |
| Maximum 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 part number of the NI-9251 module?
Answer 1: 783814-01
Question 2: How many channels does the NI-9251 support?
Answer 2: 2-channel voltage input
Question 3: What is the update rate of the NI-9251?
Answer 3: Up to 102.4 kS/s
Question 4: What type of input range does the NI-9251 handle?
Answer 4: 3 Vrms
Question 5: What is the maximum overvoltage protection for the NI-9251?
Answer 5: ±30 V on both channels
