NI SCXI-1104C data acquisition module

Description

The NI SCXI-1104C module is a data acquisition module from National Instruments (NI), belonging to the SCXI (Signal Conditioning eXtension for Instrumentation) series, designed specifically for use with NI’s data acquisition (DAQ) devices. The following is a detailed introduction to this module:

1、 Module Overview
NI SCXI-1104C is a high-performance, multi-channel analog signal acquisition module widely used in applications that require high-precision data acquisition, such as testing and measurement, automation control, scientific research, etc. This module supports real-time acquisition, monitoring, and analysis of analog signals, and is suitable for measuring physical quantities such as temperature, pressure, flow rate, and vibration.

2、 Main features
High performance: Adopting high-performance ADC (analog-to-digital converter), providing high-resolution and high-precision data acquisition. Specifically, it may be equipped with a 24 bit analog-to-digital converter to ensure accurate data collection.
Multi channel: supports simultaneous acquisition of multiple channels, usually with 32 single ended or 16 differential input channels, which can connect multiple sensors or signal sources for data acquisition. Some specific models may have 32 differential channels, suitable for signal conditioning of higher voltage signals.
Flexibility: With programmability, modules can be configured and controlled using programming languages such as LabVIEW to meet specific application requirements. In addition, the module also supports multiple interface options such as USB, PCI, PXI, and Ethernet, making it easy to connect with computers or control systems.
Compatibility: Compatible with other hardware and software products of national instruments, can be connected to other instruments or computers for easy integration into existing systems or platforms.

Easy to calibrate and maintain: Users can follow the calibration guidelines to ensure measurement accuracy. Meanwhile, the maintenance cost of this module is relatively low.
3、 Technical parameters
Channel count: Typically 16 differential input channels (some models may support 32 differential channels).
Resolution: 24 bit analog-to-digital converter, providing high-precision data acquisition.
Sampling rate: The maximum sampling rate can reach 100 kS/s, but the specific rate may vary depending on the application requirements.
Input voltage range: ± 10 V, suitable for various common signal types and voltage standards.
Input impedance: 1 M Ω | | 5 pF, ensuring stable signal transmission.
Connection method: SCXI terminal board is used to facilitate the connection of various sensors and signal sources.
Size and weight: Approximately 3.3 x 22.9 x 14.0 cm, 0.36 kg, suitable for various environments.
4、 Application scenarios
The NI SCXI-1104C module is widely used in various fields such as laboratory measurement, automated testing systems, industrial automation, education, and research. In laboratory environments, it can be used for data collection in various physics, engineering, and biology experiments; In the field of industrial automation, it can be used to connect and monitor sensors and equipment in industrial automation systems; In the fields of education and research, it can be used as a tool in teaching laboratories to teach data collection and measurement techniques.

5、 Precautions
When using the NI SCXI-1104C module, it is important to note that its analog output does not have overvoltage protection, so applying external voltage to this output may damage the module. Meanwhile, the analog output has short-circuit protection function.
The recommended preheating time for this module is 20 minutes and the working temperature is between 0 and 50 ° C.
To ensure measurement accuracy, it is recommended to recalibrate the module at least once a year, or recalibrate it when operating outside the specified temperature range.
In summary, the NI SCXI-1104C module is a powerful and flexible data acquisition module suitable for various application scenarios that require high-precision data collection.