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Fault insertion modules roll for HILS automotive test

Posted: 17 Apr 2008 ?? ?Print Version ?Bookmark and Share

Keywords:low current faults? Hardware-in-the-Loop? HILTS automotive test?

40-193, 40-194

Pickering Interfaces has expanded its range of PXI Fault Insertion solutions with the introduction of two modules, the 40-193 and 40-194.The modules provide a compact solution for simulating both high and low current faults when testing control systems, which is especially useful in a Hardware-in-the-Loop (HILS) test applications. Each module supports 7 channels which faults can have injectedeach channel can be opened (to simulate and open circuit) or shorted to one of two fault connections (such as ground or battery supply). Channels can also be shorted together to simulate other types of wiring faults.

With a current rating of 20A at 16Vdc, both modules are ideally suited to automotive applications. The 40-194 version has additional circuitry making it capable of switching both high current and low current loads, overcoming the problem of high current relays, which require a minimum current too wet the contacts after prolonged hot switching events.

Each module has been designed to ensure robust operation over many test cycles, and each allows faults to be hot switched into the system while tests are running, perfect for finding controller system response to intermittent fault occurrences. Both modules include software support for LabView RT and QNX RTOS.

Pricing and availability information available from the company's Web site.

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