Track Circuit Identities

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Track Circuit Identities 06/08/2014 at 08:32 #63552
John
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884 posts
I'm sure to conform with Simsig's high standards they are, but just to be sure, are the track circuit identities used in the sims the same as on the real panels/workstations?
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Track Circuit Identities 06/08/2014 at 08:47 #63553
JamesN
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For the most part, yes - we aim to use the correct TC identities - It makes it so much easier when you're working off a diagram or scheme plan that what's on screen matches the 12ft ream of paper stretched out in the hallway!

There are siutations where this is not the case though:

1) In Older sims, Geoff and the gang didn't have anywhere near the level of detail of information we use these days. It meant that sims such as Waterloo (to cite just 1 example) had completely fictional track circuits and indeed signal numbers.

2) In some situations it is not possible to use the real name for the TC - either because the real name is already used (in SimSig TCs must have a unique name) or because the TC has to be split internally into multiple tracks for level crossings and other such malarky.

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Track Circuit Identities 06/08/2014 at 09:15 #63554
John
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Cheers James.
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Track Circuit Identities 06/08/2014 at 12:08 #63555
clive
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2738 posts
" said:

2) In some situations it is not possible to use the real name for the TC - either because the real name is already used (in SimSig TCs must have a unique name) or because the TC has to be split internally into multiple tracks for level crossings and other such malarky.
In this situation, my usual approach is to use a suffix. So if I have to split TCG, it becomes TCG1 and TCG2. If I have to split T5701, it becomes T5701A and T5701B.

WembleySub has the problem that the track circuit naming for the DC lines clashes with that on the main lines at Watford Junction, so I use TBD for the former and TWJBD for the latter.

But, as James said, it's a lot easier to keep in step with the real thing.

Quote:

1) In Older sims, Geoff and the gang didn't have anywhere near the level of detail of information we use these days.
When the data became available, I ended up writing a tool to convert from "wrong" IDs to "right" ones (note that this isn't trivial when T123 is in both data sets, but not in the same place).

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The following user said thank you: BarryM
Track Circuit Identities 07/08/2014 at 02:18 #63584
ozrail
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197 posts
While on the subject of Track Circuits I noticed something a little strange. When you occupy Track Circuit T7 on Victoria Central a slot request is received from Victoria South Eastern. This also happens with Track Circuits T831 and T852 from Wimbledon. Although these Track Circuits do not appear on the panel.
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Track Circuit Identities 07/08/2014 at 03:28 #63587
GeoffM
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" said:
I'm sure to conform with Simsig's high standards they are, but just to be sure, are the track circuit identities used in the sims the same as on the real panels/workstations?
Pretty much as above, but one additional comment. Birmingham New Street was started some time ago but due to its complex interlocking and train shuffling, it didn't get finished until more recently. During that time more information came to light, including TC IDs. Rather than rewrite vast swathes of sim, it was decided to keep existing IDs where the layout was perfectly correct (albeit wrong IDs) but to redo bits with the correct IDs. The station itself was completely redone, plus Proof House Jn has two sets of IDs - the old and the new (and yes they overlapped so some compromise was required). Generally the 1-3 character IDs (T1 to T999 basically) are the "real" IDs; the four digit IDs are fictional on that particular sim.

ozrail, stop fiddling with things you can't see! You might cause unintended consequences

SimSig Boss
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