When the wheel sensor current of system 1 falls below the trigger level ON, the digital signal SYS1 of the evaluation board changes from low to high. At this point, the 1-edge direction pulse is triggered and output.
The wheel moves on, and the wheel sensor current of system 2 falls below the trigger level ON. Therefore, the digital signal SYS2 of the evaluation board changes from low to high.
At the end of the traversing, the wheel sensor current of system 2 exceeds the trigger level OFF, and the digital signal SYS2 is set to low again. At this point, the 4-edge direction pulse is output.
Both direction pulses are output for the configured time period.
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