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J1939 Datalogger

Application: Customer needs J1939 Datalogger for off-road vehicle use.
Solution: Custom datalogger with on-board signal conditioning for analog signals, opto isolation for digital signals and J1939 for engine ECU messages.  Unique ruggedized power supply accepts unconditioned vehicle power, disconnects datalogger on low battery voltage, and provides hold-up power to complete SD card writes.  SD card is read on startup for J1939 message filters.  Companion Windows program allows user to set message filters and read logged data in engineering format.
This was a technology demonstration project.


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