Description

NI PXIE-8840QC

The NI PXIE-8840QC is a high-performance PXIe embedded controller.

Features:

High-Performance Processor: Equipped with a 2.7 GHz dual-core or 2.6 GHz quad-core processor, offering robust computational capabilities to quickly handle various testing and control tasks. Ideal for processor-intensive applications, it significantly reduces test time.
Modular Design: Supports multiple modules and I/O cards, allowing users to flexibly configure and expand the system according to specific application needs, ensuring adaptability to diverse testing and control functional requirements.
Strong Real-Time Capability: Supports real-time operating systems, ensuring excellent real-time control and data acquisition capabilities, which meet the demands of scenarios requiring high time precision.
Good Compatibility: Highly compatible with NI's hardware and software, facilitating integration into existing systems, protecting users' upfront investments, and enabling easy system expansion and upgrades.
Excellent Scalability: Supports multi-controller parallel processing and can be extended to distributed systems, thereby enhancing the scale and performance of testing and control, suitable for large and complex system requirements.
High Reliability: Adopts industrial-grade design and materials, capable of stable operation in harsh environments, suitable for long-term continuous operation, reducing system failures and maintenance costs.
User-Friendly: Provides easy-to-use software and graphical interfaces, enabling users to quickly develop and debug applications, reducing development complexity and time costs.

Technical Parameters:

Processor: Uses an Intel Core i7-6820EQ quad-core processor with a clock speed of 2.8 GHz, delivering powerful computational capabilities to handle complex arithmetic tasks and meet the needs of processor-intensive applications.
Memory: Features 16GB DDR4 memory, enabling fast data storage and retrieval, supporting efficient operation of systems and applications, and ensuring smooth performance when processing large data volumes or multitasking.
Storage: Includes a 256GB SSD, providing fast storage access speeds to reduce system boot time and data read/write times, and facilitating storage of large volumes of test data, program files, etc.
Operating System: Pre-installed with Windows 10, offering good compatibility and a user-friendly interface for convenient development and operation. It also supports other operating systems like Linux to meet different users' needs.
Expansion Slots: Provides 4 PXI Express hybrid slots, allowing easy insertion of various PXI modules (e.g., data acquisition modules, signal conditioning modules, instrument control modules) to expand system functions and adapt to different testing and control scenarios.
Communication Interfaces:

Ethernet: Includes two 10/100/1000BASE-TX (Gigabit) Ethernet ports for high-speed network communication with other devices, enabling remote control, data transmission, and system integration.
USB: Features two USB 3.0 ports and four USB 2.0 ports, facilitating connection of external devices (e.g., printers, storage devices, sensors) for fast data transfer and convenient device access.
Serial Port: One serial port (RS232) for communication with traditional serial devices (e.g., modems, serial sensors).
Other: Some sources mention a possible GPIB interface for connecting GPIB-enabled instruments to control them and acquire data.

Dimensions and Installation: With a 3U form factor, it supports 19-inch rack mounting, fitting standard 19-inch cabinets for easy system integration and management, saving space and suitable for industrial cabinet installations.
Power Requirements: Operates on 100-240V AC, 50/60Hz, adapting to different regional power specifications with strong adaptability and stability, ensuring normal operation in various power environments.
Operating Temperature Range: 0°C to 55°C, capable of stable operation within a moderate temperature range, meeting the temperature requirements of most industrial and laboratory environments.

Application Fields:

Testing and Measurement: In automated production testing, it controls test instruments to perform various performance tests on products (e.g., functional tests and electrical parameter tests for electronic devices). In hardware-in-the-loop (HIL) simulation testing, it works with simulation devices and real-time simulation software to simulate and test automotive electronic control systems, aerospace flight control systems, etc., verifying system performance and reliability under different operating conditions.
Data Acquisition and Analysis: Connects to various data acquisition modules to collect analog and digital signals from sensors, instruments, and other devices, used in industrial process monitoring, environmental monitoring, experimental data acquisition, etc., with real-time analysis and processing of collected data to extract valuable insights.
Control Systems: As the core controller of industrial automation control systems, it connects to programmable logic controllers (PLCs), drives, motors, and other devices to achieve precise control of production processes, such as motion control for automated production lines and control of parameters (temperature, pressure, flow) in process industries.
Machine Vision: Collaborates with machine vision devices (e.g., image acquisition cards, cameras) for image data collection, processing, and analysis, enabling functions like object recognition, dimension measurement, and defect detection, widely used in quality inspection in manufacturing and cargo sorting in logistics.

Performance Comparison Between NI PXIE-8840QC and NI PXle-8135:

Processor:

NI PXIE-8840QC: Uses a 2.7GHz dual-core or 2.6GHz quad-core processor.
NI PXle-8135: Features a 2.3GHz quad-core Intel Core i7-3610QE processor, with a maximum single-core Turbo Boost frequency of 3.3GHz.

Memory:

NI PXIE-8840QC: Provides 8GB or 2GB memory depending on the selected processor core.
NI PXle-8135: Standard configuration is 4GB (1x4GB DIMM) dual-channel 1600MHz DDR3 RAM, expandable up to 16GB.

Storage:

NI PXIE-8840QC: Typically has a 320GB or 250GB integrated hard disk drive.
NI PXle-8135: Hard disk capacity is not explicitly mentioned, but general PXI embedded controllers provide non-volatile storage via hard disks and flash drives.

System Bandwidth and Slot Bandwidth:

NI PXIE-8840QC: Offers up to 8GB/s system throughput and 2GB/s slot throughput.
NI PXle-8135: Features up to 8GB/s system bandwidth and 4GB/s slot bandwidth.

Interfaces: Both are equipped with rich interfaces.

NI PXIE-8840QC: Includes two 10/100/1000BASE-TX (Gigabit) Ethernet ports, two USB 3.0 ports, four USB 2.0 ports, one serial port, and other peripheral I/Os.
NI PXle-8135: Has 2 SuperSpeed USB ports, 4 high-speed USB ports, 2 Gigabit Ethernet ports, GPIB, a serial port, and other peripherals.