1000 Hz Bug

Discussion in 'TSW Troubleshooting & Issues Discussion' started by dnv3, Dec 21, 2023.

  1. dnv3

    dnv3 Well-Known Member

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    I am tsw4 I am not shown on the route Hamburg Lübeck when and where the 1000 hz magnet is as well as with the speed limit I am shown that I am allowed to drive to the 140 although I am always slowed down to 120
    (So after a small test with the DB BR146 Same Problem Or am I too stupid to recognize it? ? Because on other routes it is indicated that there is a 1000/500 hz magnet but not on Hamburg.
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    Last edited: Dec 21, 2023
  2. Spikee1975

    Spikee1975 Guest

    You don't have to see magnets. You see the signal and the white board with the black X, and confirm if anything other than green.

    Note that PZB "M" mode only allows 125 km/h, to go 140 km/h you must have enough braking power to be allowed to use PZB "O". As you are driving a passenger service in the last shot, you must set PZB to "O" before switching it on. This allows you to drive 160 km/h, and the blue "85" indicator will light up, as 85 km/h is the maximum speed under a 1000Hz influence.
     
    Last edited by a moderator: Dec 21, 2023
  3. stateoftheartjonas

    stateoftheartjonas Active Member

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    On that route you'll also see Lf6 speed announcement signals you have to acknowledge, the 90km/h ones in particular are quite tricky on this route. Acknowledge when you pass the yellow triangle with a black "9", then in case you get PZB monitoring reduce your speed to 80km/h if you're a fast train in PZB mode O or to 65km/h if you're a PZB M (freight) train. After 550m you can release and speed up to 90km/h again.
     
  4. Spikee1975

    Spikee1975 Guest

    A Zs3v / Lf6 "90" should not have an active magnet, as it would force even a passenger train to 80 km/h. Maybe there is special cases in reality, but it doesn't really make any sense - it could just show 80 in that case.

    Speeds <=80 km/h are normally supervised by 1000Hz, speeds <=30 km/h and by 500Hz, higher speeds by GPAs (three magnets in a row, with a 2000Hz magnet that gets activated for a short amount of time when passing the first contact magnet, triggering an emergency if you reach it before it's deactivated which means you were too fast.) Exceptions to the rule apply. :)
     
    Last edited by a moderator: Dec 21, 2023
  5. dnv3

    dnv3 Well-Known Member

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    Yes, I tried that with mode O but because I'm still being forced to brake. and I'm usually braked by the magnets to below 40 KMH but I'll try again right away. Thank you
     
  6. stateoftheartjonas

    stateoftheartjonas Active Member

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    Yes it should, at least if the prior track speed is significantly higher. They're usually combined with a GPA and the magnet is only active for v>105km/h, so you can go straight to 90 and skip the brake-and-accelerate dance if you brake early enough (but early braking costs travel time, too). Otherwise, you'll have to – temporarily – slow down to 80, even as a passenger train.
    There's at least one such section on HBL, where you may go 160 for a short stretch and then get limited to 90. With a bit of practice and track knowledge you can manage to hit 160 for a couple seconds and brake in time for the 90 limit, but it can be tricky if you're unprepared, especially with the BR112 and its Gedenksekunde :D
     
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  7. Spikee1975

    Spikee1975 Guest

    Interesting. Have to check Zusi if I encounter a supervised 1000Hz 90 limit.
     

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