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A new deterministic VXI highway interconnect

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1 Author(s)
Cleary, Robert T. ; KineticSystems Corp., Lockport, IL, USA

Programs based upon the VXIbus modular instrumentation standard are playing a significant role in test systems for both defense and commercial applications. Typical single-chassis VXI systems include an embedded computer-based controller as the system host. Multi-chassis systems generally use a parallel bus or a local area network, such as Ethernet, to interconnect the chassis. An important class of multi-chassis test systems requires high I/O throughput, low latency and a highly deterministic I/O response. This paper describes a new highway interconnect system that includes host computer interface options for VMEbus, EISA and PCI bus. A typical system is configured with a host interface, a fiber-optic highway “loop” and slot-0 controllers in the VXI chassis. The system supports up to 126 VXI chassis, an aggregate I/O throughput of 10 megabytes per second, extremely low latency and a highly deterministic I/O response. Typical applications, including jet aircraft engine testing, missile test systems and high-performance wind tunnel data systems are discussed

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:11 ,  Issue: 3 )