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NI SCXI-1160 32-Channel Digital Input Module
The NI SCXI-1160 is a high-density, isolated 32-channel digital input module designed for National Instruments SCXI (Signal Conditioning eXtensions for Instrumentation) chassis, engineered to capture and condition discrete digital signals in industrial automation, test & measurement, and data acquisition applications. Featuring optically isolated input channels, this module provides robust protection against ground loops, voltage transients, and electromagnetic interference (EMI), ensuring reliable signal detection even in harsh industrial environments. It supports a wide range of input voltage levels, making it compatible with both TTL logic signals and industrial-level digital sensors such as limit switches, proximity sensors, and photoelectric detectors. The SCXI-1160 integrates seamlessly with NI LabVIEW, LabWindows/CVI, and Python-based data acquisition software via NI-DAQmx drivers, enabling real-time monitoring, event triggering, and automated data logging for control systems and test setups. With its compact form factor, hot-swappable design, and compatibility with multiple SCXI chassis models, it is an ideal solution for space-constrained applications in manufacturing quality control, aerospace testing, automotive validation, and process monitoring systems.
| Specification Item | Details |
|---|---|
| Product Model | NI SCXI-1160 |
| Product Type | 32-Channel Optically Isolated Digital Input Module |
| Input Configuration | 32 Isolated Digital Input Channels; 4 Groups of 8 Channels (Common Ground per Group) |
| Input Voltage Range | 5–30 VDC (Logic High: 5–30 VDC; Logic Low: 0–2 VDC) |
| Isolation Rating | 2500 Vrms (Channel-to-Chassis; Channel-to-Channel within Group) |
| Input Response Time | ≤ 1 ms (Typical, 24 VDC Input) |
| Chassis Compatibility | NI SCXI-1000, SCXI-1001, SCXI-1002, SCXI-1003, SCXI-1004, SCXI-1006 |
| Software Compatibility | NI LabVIEW, LabWindows/CVI, Measurement Studio, Python (with NI-DAQmx) |
| Power Requirements | Powered by SCXI Chassis (±15 VDC, +5 VDC); No External Power Needed |
| Operating Temperature | 0°C ~ +55°C (32°F ~ +131°F); Storage Temperature: -20°C ~ +70°C |
| Application Scenarios | Industrial Automation Monitoring, Discrete Sensor Signal Acquisition, Automated Test Systems, Manufacturing Quality Control, Aerospace & Automotive Testing |
Important Note: The NI SCXI-1160 module must be installed in a compatible NI SCXI chassis and configured with the latest NI-DAQmx driver software to ensure full functionality and signal integrity. Proper wiring practices, including the use of shielded cables for long-distance signal transmission, are recommended to minimize electromagnetic interference. Verify that the input voltage levels of connected sensors match the module's specified range (5–30 VDC) to prevent damage to the module or inaccurate signal detection. For detailed installation instructions, wiring diagrams, and troubleshooting guidance, please refer to the official National Instruments product documentation or contact NI technical support.
