PC Pzb Free Bug On Dra

Discussion in 'Technical Reports' started by OpenMinded, Oct 7, 2021.

  1. OpenMinded

    OpenMinded Well-Known Member

    Feb 10, 2021
    Likes Received:
    I noticed an annoying bug on DRA PZB. When you release from a restriction, the restriction seems to still run in the background and then kicks in if you acknowledge a new restriction.

    Example: You leave Dresden HBF on a S-Bahn service, you free yourself from the initial restriction, hence you can now go above 45km/h. If you now run through the signal at the end of the platform and acknowledge a 1000Hz restriction, it kicks back in, right away. If you are above 45km/h at this point you are being emergency braked. Correct would be that it starts with the usual 85km/h restriction and the associated braking curve.

    While it is correct, that different restrictions can run "on top of each other" and may take affect again when one restriction is over, this is not the case if you free yourself. It should reset the whole system.

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