Zusi-Forum

Hi

I was driving train Dg 54073, and something strange happened.
When I'm coming from langeland, as soon as I enter the tunnel to Altenbeken, I get the typical 60 speed restriction signal.
I acknowledge it, and reduce my speed to below 55.
When the 1000hz light goes out, I release the train and accelerate to 60, as per the signal limit.
However, when I enter the Altenbeken detour to Warburg I get another signal showing a distant speed restriction. As soon as I acknoledge it, suddenly the protection drops to 55 and I get an emergency stop.
Why after the release, I don't get the time to reduce to the 55 restrictive speed? Why does the restriction goes to 55 immediately?

Here goes the attached graph...

Nobody can answer this question but the behaviour is authentic.

Carsten

Disclaimer: This is Wikipedia knowledge only.

If you expect another 1000 Hz magnet within 550m, you're not supposed to use the PZB release key. If you do use the release key and another 1000 Hz magnet comes up too soon, the full speed restriction will be active immediately. It's even worse for 500 Hz magnets, because those will lead to an instant "Zwangsbremsung".