Description
The part number 776572-20 refers to the National Instruments SCXI-1120 Analog Input Module, which falls under the category of SCXI & Legacy. This model, SCXI-1120, is designed to enhance the functionality and performance of measurement and automation systems.
One of the key features of this module is its 8 isolated input channels, which offer a working isolation of 250 Vrms, ensuring safety and reliability in various industrial environments. The input types supported by this module are diverse, accommodating thermocouple, current, volt, millivolt signals, 4 to 20 mA sources, 0 to 20 mA process-current sources, strain gauges, RTDs, and thermistors (with external excitation), making it highly versatile for different measurement needs.
The module’s input ranges are configurable via jumpers, allowing for customization based on specific requirements. Additionally, it includes a configurable lowpass filter with options for 4 Hz or 10 kHz, providing flexibility in signal processing. The gain stages available range from 1 up to 2,000, offering a wide array of amplification settings to adapt to various signal strengths.
For outputs, the SCXI-1120 provides an output range of ±5 V and supports both parallel-output mode and multiplexed-output mode, enhancing its adaptability for different output requirements. The module’s connectivity options include a 50-pin male ribbon-cable rear connector and a 32-pin DIN C male front connector, ensuring easy and secure connections to other devices and systems.
In terms of environmental adaptability, the module is designed to operate within a specified temperature range, making it suitable for use in various operating conditions.
| Specification | Details |
|---|---|
| Part Number | 776572-20 |
| Category | SCXI & Legacy |
| Model | SCXI-1120 |
| Description | National Instruments SCXI-1120 Analog Input Module |
| Input Channels | 8 isolated input channels with 250 Vrms working isolation |
| Input Types | Thermocouple, current, volt, millivolt signals, 4 to 20 mA sources, 0 to 20 mA process-current sources, strain gauges, RTDs, thermistors (with external excitation) |
| Input Ranges | Various, configurable via jumpers |
| Filters | Configurable lowpass filter of 4 Hz or 10 kHz |
| Gain Stages | Gains of 1, 2, 5, 10, 20, 50, 100, 200, 250, 500, 1,000, and 2,000 |
| Output Range | ±5 V |
| Output Modes | Parallel-output mode and multiplexed-output mode |
| Connectors | 50-pin male ribbon-cable rear connector, 32-pin DIN C male front connector |
| Operating Temperature | Question 1: What is the isolation voltage of SCXI-1120’s input channels? Answer 1: 250 Vrms Question 2: How many input channels does SCXI-1120 have? Question 3: What input signals can SCXI-1120 handle? Question 4: What are the filter options for SCXI-1120? Question 5: What output range does the SCXI-1120 provide? |




