Description

I. Product overview
The NI SCXI-1122 is a high-performance 16-channel general-purpose input module designed for applications requiring high-precision data acquisition and signal conditioning. The module routes the input channels to a single isolated instrument amplifier and low-pass filter through 16 relay multiplexers, enabling precise acquisition and conditioning of multi-channel signals.

Two, the main characteristics
Isolated analog input: NI SCXI-1122 provides isolated analog input, which can effectively isolate the electrical interference between the signal source and the data acquisition system, improving the measurement accuracy and system stability.
Wide input range: The module has a wide input range, from millivolts to ±250V, suitable for many different signal sources.
Programmability: All input channels can be programmed, including input range, filter Settings, etc., to meet the needs of different applications.
High sampling rate: under specific filter Settings, the module can achieve a high sampling rate to meet the requirements of accurate acquisition of dynamic signals.
Signal conditioning: Built-in low-pass filter can filter the input signal, remove high-frequency noise and interference, and improve signal quality.
3. Technical specifications
Number of channels: 16 isolated analog input channels
Input range: ±5mV to ±250V (programmable)
Filter setting: 4Hz or 4kHz (all input channels can be set)
Sampling rate: up to 100S/s (4kHz filter setting) and 1S/s (4Hz filter setting)
System environment: normal temperature
Voltage: Usually 220V (specific voltage may vary by region and application)
Power: Depends on the specific configuration and use
Size and weight: The size is about 263337mm (length x width x height) and the weight is about 2.3kg
4. Application field
NI SCXI-1122 is widely used in industrial automation, test and measurement, scientific research and other fields, especially in the need for high-precision data acquisition and signal conditioning plays an important role. For example, in industrial automation systems, it can be used to monitor and control various sensor signals; In the field of measurement, it can be used to accurately measure voltage, current and other physical quantities. In scientific research, it can be used to collect and analyze experimental data.

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