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Method and apparatus for the prevention of untested or improperly tested printed circuit boards from being used in a fire pump control system
Method and apparatus for the prevention of untested or improperly tested printed circuit boards from being used in a fire pump control system
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机译:防止未经测试或未经测试的印刷电路板在消防泵控制系统中使用的方法和装置
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摘要
The present invention relates to a method and apparatus for preventing untested or improperly tested printed circuit boards from being used in a fire pump control system by interrogating each printed circuit board to ensure post-assembly fitness. Exemplary embodiments of the present invention comprise retrieving test status information stored on non-volatile memory of a printed circuit board, verifying the test status information stored on the non-volatile memory of the PCB, determining if all tests performed on the PCB have passed, outputting a message regarding the status of the PCB, and continuing to interrogate each additional PCB in the fire pump controller. A pass flag is set and recorded on the non-volatile memory of a respective PCB if all tests on the respective PCB have passed. Whereas, an error flag is set and recorded on the non-volatile memory if at least one test on a respective PCB has failed.
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