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Pickering offers automotive test solutions

Posted: 21 Apr 2011 ?? ?Print Version ?Bookmark and Share

Keywords:PXI? LXI? BIRST? battery? cells?

Pickering Interfaces has developed a PXI/LXI tool to help the problems in the automotive industry.

The Built in Relay Self Test (BIRST) tool is used to check the relay operation in a switching solution without the aid of external test equipment.�It can also be used to identify any relay failures in the switch module and detect deteriorating contacts that indicate the process of failing. To conduct a test, disconnect the switching module from the UUT and run the supplied application program. No supporting test equipment is needed. The test simply runs and identifies the position of any defective or suspect relays in the module.

Together with the BIRST tool, Pickering introduces the 41-752 to test the battery management systems for electric vehicles. This battery simulator provides up to 300mA of current from the cells. The output voltage from each cell is 7V and each cell includes its own sense lines to improve regulation performance.�Each cell can be configured to operate as a current sink in a battery charging circuit of up to 100mA. Cells and modules can be series connected to emulate the battery stacks being used in electric vehicles. The controlled channels allow the cells to be set to different output voltages to simulate different charge and capacity states. A safety interlock system can be used to ensure that voltage generation is inhibited when the cables are disconnected from the front panel. Outputs are made available on high voltage D Type connectors permitting the generation of voltages of up to 750V.

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