Description
The Part Number 777966-21 identifies a specific product within the SCXI & Legacy category, known as the SCXI-1521. This model is an NI SCXI-1521 24 ch, 350-Ohm Quarter-Bridge Strain Input Module, designed to provide precise measurements for various applications. It features 24 analog input channels, allowing for substantial data collection and analysis.
The module is equipped with a 10 Hz, 2-pole Butterworth filter, ensuring that the data collected is free of unwanted noise and interferences. Its excitation levels can be programmably adjusted over 1,024 levels from 0-5 V, offering flexibility in catering to different sensor requirements. Additionally, the SCXI-1521 performs automatic nulling to zero for the bridge offset voltage, simplifying the setup process and enhancing measurement accuracy.
An Onboard Calibration EEPROM is included, ensuring that the module maintains its accuracy over time and is easy to recalibrate when necessary. The module also supports shunt calibration, which can be programmed via software, making it a versatile tool for engineering applications.
Despite its status as Obsolete, the SCXI-1521 remains available for purchase and repairs through Apex Waves, ensuring that users can continue to benefit from its capabilities in their measurement and data acquisition tasks.
| Specification | Detail |
|---|---|
| Part Number | 777966-21 |
| Category | SCXI & Legacy |
| Model | SCXI-1521 |
| Description | NI SCXI-1521 24 ch, 350-Ohm Quarter-Bridge Strain Input Module |
| Channels | 24 analog input channels |
| Filter | 10 Hz, 2-pole Butterworth filter |
| Excitation Levels | Programmable over 1,024 levels from 0-5 V |
| Bridge Offset Voltage | Automatic nulling to zero |
| Onboard Calibration EEPROM | Yes |
| Shunt Calibration Resistor | Yes, programmable via software |
| Status | Obsolete (Available for purchase and repairs by Apex Waves) |
Question 1: What is the part number for the SCXI-1521?
Answer 1: 777966-21
Question 2: How many input channels does SCXI-1521 have?
Answer 2: 24 analog input channels
Question 3: What type of filter is used in SCXI-1521?
Answer 3: 10 Hz, 2-pole Butterworth filter
Question 4: Can the SCXI-1521’s excitation levels be adjusted?
Answer 4: Yes, over 1,024 levels from 0-5 V
Question 5: Is the SCXI-1521 still available for purchase?
Answer 5: Yes, through Apex Waves



