New FPGA abilities for NI 9144 expansion chassis
A National Instruments product story
Edited by the Electronicstalk editorial team Sep 3, 2009
National Instruments has announced new field-programmable gate array (FPGA) capabilities for the NI 9144 expansion chassis.
By downloading the NI-Industrial Communications for EtherCAT 1.1 driver from the company's website, engineers and scientists can now run National Instruments' Labview FPGA code directly on the NI 9144 chassis to execute custom triggering, inline processing and control within an application.
By embedding hardware-level FPGA logic directly on the expansion I/O, engineers and scientists can offload processing power from the controller and reduce response time by making decisions directly at the node.
With these new capabilities, the NI 9144 chassis is ideal for providing intelligent, synchronised extension I/O to NI CompactRIO, NI industrial controllers and NI PXI real-time systems.
The NI 9144 can create highly distributed real-time systems that need synchronised control across multiple machines, high-speed waveform measurements and processing at the node and hardware-in-the-loop simulations and feedback.
Each expansion chassis has a 2M gate Xilinx Spartan FPGA that can react immediately to measurement data, conduct high-speed analysis and pass the final results back to the programmable automation controller via EtherCAT, an open real-time Ethernet protocol.
Additionally, the FPGA and I/O data can be synchronised across multiple distributed NI 9144 chassis with less than 100ns of jitter for highly deterministic performance in time-critical applications.
The NI 9144 is compatible with all NI C Series I/O modules for high-accuracy measurement quality, including the new NI 951x C Series motion modules that offer direct connectivity to hundreds of servo and stepper drives.
The expansion chassis can be programmed with the Labview Real-Time Module for fast and easy real-time expansion and with the Labview FPGA Module for hardware-level timing, signal manipulation and onboard analysis.
The 'Introduction to EtherCAT' white paper, available from National Instruments' website in the NI Developer Zone, also features information on the fundamentals of EtherCAT technology as it applies to NI products.
Additionally, readers can access the NI High-Performance Real-Time Distributed Control Bundle to assemble and purchase a custom real-time distributed control system for their specific applications.
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Contact National Instruments
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