Kwg - Leap Frogging - Help Needed

Discussion in 'TSW General Discussion' started by Shackamaxon, Aug 1, 2023.

  1. Shackamaxon

    Shackamaxon Well-Known Member

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    TSW3_Ashish Saxena_1690891777_00.png

    I'm standing on a siding track. This signal is green on the map but shows no aspect on the head.
    Is this a bug or is it supposed to happen ?

    If not a bug, how should I interpret it ?
     
  2. OldVern

    OldVern Well-Known Member

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    Sure I read something somewhere that certain signals are blank. If in doubt, key the signaller and if you get the “Proceed as signals indicate”, generally that means you’re okay to move.
     
  3. Averrnor

    Averrnor Active Member

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    Might be a bug but on your display LZB gives you permission to proceed.

    I think it is covered in the LZB tutorial, pardon me but I forgot the scenario name.
     
  4. OpenMinded

    OpenMinded Well-Known Member

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    Dark mode is a feature of this particular LZB system. If you are under LZB guidance the outside signals are not to be used anyway…
     
  5. mkraehe#6051

    mkraehe#6051 Well-Known Member

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    Not a bug. For a train that follows the physical signals (under PZB, rather than LZB supervision) the blocks are a lot longer than they are for an LZB train. The default mode of operation is LZB, the signals and PZB magnets are essentially just a back-up, so this saves money as a LZB block sign is a lot cheaper than a full-fledged signal.

    When you're at a signal and have clear LZB blocks ahead of you, but not enough to go as far as the next physical signal, an LZB train is allowed to pass that signal, but a PZB train following signals is not. That means the signal should show a red aspect. However, if the train approaching is under LZB supervision, the signal is switched off, to avoid drivers routinely driving past red signals.

    Now, what is a bug in TSW is that the signal turns off regardless of whether you're under LZB supervision or not...
     
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  6. Shackamaxon

    Shackamaxon Well-Known Member

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    Thanks, everyone.
    Yes, I forgot that dark signals are a thing...

    Does the signaling system / traffic controllers know if a train is or isn't under LZB supervision ?
    I thought this entire setup had a one-way communication... Train reads the magnets, decides whether it should trigger 1000hz, G Indicator or E-Brake.
    Is there something on the train that communicates back to the system ?
     
  7. mkraehe#6051

    mkraehe#6051 Well-Known Member

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    PZB is one-way. LZB is two-way. That cable you see in the middle of the tracks on lines fitted with LZB is essentially a continuous antenna through which the train and a central computer talk to each other.
     
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  8. Shackamaxon

    Shackamaxon Well-Known Member

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    Makes sense...
     

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