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Paignton t/cs TVD & TVDO

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Paignton t/cs TVD & TVDO 25/07/2019 at 06:25 #119604
VInce
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579 posts
Hi all,

During a session I had t/c TVDO SOWC after the passage of a train into P2 at Paignton from the Torquay direction with points 990A and 990B reverse and the barriers down.

The train arrived and stopped occupying t/c TVD (as it should - it was a two car DMU) and TVDO showing occupied (failed) immediately behind it.

The barriers auto-raised normally even though TVDO extends over the crossing according to the representation on the sim. It certainly "looks" wrong but I suppose if TVDO was a two part track circuit and the failed part was not actually on the crossing then it might be OK.

In any event, a crossing in the overlap of a signal is not considered to be an "obstruction" (see Red Cow LC on the same sim) but in the failure scenario surely the barriers should not raise as this track circuit being occupied could be the rear of an arriving train having stopped short for some reason.

I can't provide a save because there's no guarantee that the same failure will occur but I can recreate the scenario using the incident control panel - see attachment. Barriers raised with t/c TVDO occupied.


Vince

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I walk around inside the questions of my day, I navigate the inner reaches of my disarray, I pass the altars where fools and thieves hold sway, I wait for night to come and lift this dread away : Jackson Browne - The Night Inside Me
Last edited: 25/07/2019 at 08:23 by VInce
Reason: None given

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Paignton t/cs TVD & TVDO 26/07/2019 at 15:00 #119623
VInce
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579 posts
VInce in post 119604 said:
Hi all,

During a session I had t/c TVDO SOWC after the passage of a train into P2 at Paignton from the Torquay direction with points 990A and 990B reverse and the barriers down.

The train arrived and stopped occupying t/c TVD (as it should - it was a two car DMU) and TVDO showing occupied (failed) immediately behind it.

The barriers auto-raised normally even though TVDO extends over the crossing according to the representation on the sim. It certainly "looks" wrong but I suppose if TVDO was a two part track circuit and the failed part was not actually on the crossing then it might be OK.

In any event, a crossing in the overlap of a signal is not considered to be an "obstruction" (see Red Cow LC on the same sim) but in the failure scenario surely the barriers should not raise as this track circuit being occupied could be the rear of an arriving train having stopped short for some reason.

I can't provide a save because there's no guarantee that the same failure will occur but I can recreate the scenario using the incident control panel - see attachment. Barriers raised with t/c TVDO occupied.


Vince
Anyone help with this please - either to tell me I'm talking rubbish or agree that there's a problem here?

Vince

I walk around inside the questions of my day, I navigate the inner reaches of my disarray, I pass the altars where fools and thieves hold sway, I wait for night to come and lift this dread away : Jackson Browne - The Night Inside Me
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Paignton t/cs TVD & TVDO 26/07/2019 at 15:17 #119625
JamesN
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1570 posts
Yes I've reproduced this. I understand speaking to other developers that there may be a test version out for test with the testing team already that rectifies this; perhaps Peter can confirm to save an unnecessary mantis report.
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The following user said thank you: VInce
Paignton t/cs TVD & TVDO 26/07/2019 at 19:14 #119650
Peter Bennet
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5354 posts
I'm not aware of a version out for testing, though it's entirely possible and that I've forgotten about it.
However, my copy of v5.4 appears to be behaving correctly; I presume we are talking about 5.4.

Peter

I identify as half man half biscuit - crumbs!
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Paignton t/cs TVD & TVDO 26/07/2019 at 19:24 #119651
headshot119
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4869 posts
Peter Bennet in post 119650 said:
I'm not aware of a version out for testing, though it's entirely possible and that I've forgotten about it.
However, my copy of v5.4 appears to be behaving correctly; I presume we are talking about 5.4.

Peter
We are indeed (I was set next to Nelhams while he was replying.)

"Passengers for New Lane, should be seated in the rear coach of the train " - Opinions are my own and not those of my employer
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Paignton t/cs TVD & TVDO 27/07/2019 at 16:15 #119668
Peter Bennet
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5354 posts
JamesN in post 119625 said:
Yes I've reproduced this. I understand speaking to other developers that there may be a test version out for test with the testing team already that rectifies this; perhaps Peter can confirm to save an unnecessary mantis report.
How did you reproduce it exactly?
The LX data is unchanged from before the last release date.

Peter

I identify as half man half biscuit - crumbs!
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