Description
Product name:SCXI-1326 National Instruments Controller module
Product details:
National Instruments (NI) technically does not manufacture a traditional PLC (Programmable Logic Controller) in the way brands like Siemens or Rockwell Automation do. Instead, NI offers PACs (Programmable Automation Controllers) and Embedded Controllers, most notably the CompactRIO (cRIO) system.
1. Product Overview: NI CompactRIO (cRIO)
The CompactRIO is a high-performance embedded control and monitoring system. It consists of a controller (running a Real-Time OS), a reconfigurable chassis containing a user-programmable FPGA, and C Series I/O modules.
Key Components:
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Real-Time Controller: Executes LabVIEW Real-Time applications for deterministic control and data logging.
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FPGA (Field Programmable Gate Array): Allows for high-speed hardware-timed logic, custom triggering, and digital signal processing.
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C Series I/O Modules: Hot-swappable modules for various signal types (Analog, Digital, CAN, Thermocouple, etc.).
2. Technical Parameters (General Specs)
While specifications vary by model (e.g., cRIO-904x, cRIO-905x), typical parameters include:
| Feature | Typical Specification |
| Processor | Intel Atom or Intel Core i7 (Dual or Quad-core) |
| Operating System | NI Linux Real-Time (64-bit) |
| FPGA | Xilinx Kintex-7 or Artix-7 |
| Memory | 1 GB to 4 GB DDR3/DDR4 RAM; up to 16 GB Storage |
| I/O Slots | 4-slot or 8-slot chassis options |
| Connectivity | Gigabit Ethernet, USB, RS-232/RS-485 Serial, TSN (Time Sensitive Networking) |
| Operating Temp | -40 °C to 70 °C (Industrial Grade) |
3. Product Advantages
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High Performance: Unlike standard PLCs, NI hardware can handle complex control loops, high-speed waveforms, and machine vision simultaneously.
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The FPGA Advantage: Users can implement custom hardware logic without knowing VHDL/Verilog by using LabVIEW FPGA, achieving microsecond-level response times.
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Software Integration: Seamlessly integrates with NI LabVIEW, allowing for a unified environment for UI design, data analysis, and control.
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Ruggedness: Built to withstand 50 g shock and 5 g vibration, suitable for harsh industrial environments.
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Openness: NI Linux Real-Time allows for the deployment of C/C++ or Python code alongside LabVIEW.
4. Considerations & Precautions
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Learning Curve: Programming an NI system (especially the FPGA) requires knowledge of LabVIEW, which is a different paradigm than the Ladder Logic used in traditional PLCs.
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Cost: NI systems are generally more expensive than entry-level PLCs; they are an investment for high-end R&D or complex monitoring.
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Power Supply: Ensure a stable DC power supply (typically 9V to 30V). Improper grounding can lead to noise in sensitive analog measurements.
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Thermal Management: In enclosed cabinets, ensure adequate ventilation as high-performance controllers can generate significant heat.
5. Applications
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Power Grid Monitoring: Real-time analysis of power quality and phasor measurement (PMU).
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Industrial Machine Control: High-speed packaging, motion control, and vibration monitoring for predictive maintenance.
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Automotive Testing: Hardware-in-the-Loop (HIL) testing and in-vehicle data acquisition.
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Renewable Energy: Control systems for wind turbines and solar array tracking.
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Oil & Gas: Remote monitoring of pipelines and structural health monitoring of offshore platforms.

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Colour:new Warranty: 12 months
Lead Time:3-day working day Country of origin: Sweden
Price: Please contact us Product weight:0.515kg
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The following are other related models. If you can’t find the product you need, please contact us. Thank you
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