Multi-channel fault detection with a single diagnosis output
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United States of America Patent
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Nov 12, 2019
Grant Date -
Oct 19, 2017
app pub date -
Apr 15, 2016
filing date -
Apr 15, 2016
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Abstract
A multi-channel device with a single diagnosis status pin may be configured to detect if one or more channels has a fault. The multi-channel device, which may operate within a system, can communicate which channel, of a plurality of channels, has the fault using only a single diagnosis status pin and no additional diagnosis control pins. The multi-channel device may output a fault signal on the diagnosis status pin and in response to an interrogation input signal on the same channel as a fault channel indicate to the system which channel is the fault channel.
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