ACOA at Auto signal M562

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ACOA at Auto signal M562 29/07/2018 at 18:26 #110519
tjtbcork
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75 posts 		First off, Great Sim!

Well done all!

Odd bug report.
As per attached save and screen shot 135B has received an ACOA at M562. I didn't notice it until it called in. Signals on up main where in auto. It happened again with the next train W518 when M562 changes from Green over Yellow to Green over flashing Y. Can be recreated from the save.

Regards,
Tim.
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The following user said thank you: GeoffM
ACOA at Auto signal M562 29/07/2018 at 18:33 #110520
SPADmad
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104 posts 		Im getting this at fairly regular intervals. Not just with autosignals. It commonly seems to be when a train is closely following another train (not always) but I havent been able to identify any other common causes (cant remember which signals are involved).
Last edited: 29/07/2018 at 18:34 by SPADmad
Reason: None given
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ACOA at Auto signal M562 30/07/2018 at 00:38 #110544
GeoffM
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6380 posts 		SPADmad in post 110520 said:
Im getting this at fairly regular intervals. Not just with autosignals. It commonly seems to be when a train is closely following another train (not always) but I havent been able to identify any other common causes (cant remember which signals are involved).
Right, so just 554 signals for me to check
SimSig Boss
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ACOA at Auto signal M562 30/07/2018 at 03:38 #110548
Sparky
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84 posts 		GeoffM in post 110544 said:
SPADmad in post 110520 said:
Im getting this at fairly regular intervals. Not just with autosignals. It commonly seems to be when a train is closely following another train (not always) but I havent been able to identify any other common causes (cant remember which signals are involved).
Right, so just 554 signals for me to check :D
Better get to it then hey.
I intend to live forever. So far so good
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The following user said thank you: GeoffM
ACOA at Auto signal M562 17/08/2018 at 21:56 #111187
Jan
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907 posts 		I've identified another of those instances on the Down Suburban at Summer Hill:
When the preceding train clears T15AT, signal 9 steps up to Low Speed. T15BT clearing doesn't affect anything.
Once T21AT clears however, the next signal (15) steps up to Low Speed, but 9 itself returns to Stop. Only after T21BT clears as well does 9 step up properly to Caution.

In the attached save, 284C will receive an ACOA at S369 at 08:32:50.
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Two million people attempt to use Birmingham's magnificent rail network every year, with just over a million of them managing to get further than Smethwick.
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ACOA at Auto signal M562 17/08/2018 at 22:36 #111189
GeoffM
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6380 posts 		Jan in post 111187 said:
I've identified another of those instances on the Down Suburban at Summer Hill:
When the preceding train clears T15AT, signal 9 steps up to Low Speed. T15BT clearing doesn't affect anything.
Once T21AT clears however, the next signal (15) steps up to Low Speed, but 9 itself returns to Stop. Only after T21BT clears as well does 9 step up properly to Caution.

In the attached save, 284C will receive an ACOA at S369 at 08:32:50.
Funnily enough I spotted that myself today. Fixed. It wasn't handling two consecutive low speed indications correctly (generic aspect sequencing data for that type of signal) so it might occur elsewhere too.
SimSig Boss
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