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Platform 2 to URL won't set

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Platform 2 to URL won't clear 05/07/2017 at 12:55 #96144
Afterbrunel
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I need to clear a route from Platform 2 at Cardiff Central to URL (to cross a train back into 3, but that doesn't matter).

125 sig won't clear to 127, "No route between selected signals".

I have tried it to the shunt-ahead arrowhead and that doesn't work either. I have tried forcing the UR1 to UM and the UM to UR crossovers to reverse and that doesn't help.

Incidentally 225 will do this quite happily (from platform 1) ...

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Platform 2 to URL won't clear 05/07/2017 at 13:06 #96145
MarkC
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Afterbrunel in post 96144 said:
I need to clear a route from Platform 2 at Cardiff Central to URL (to cross a train back into 3, but that doesn't matter).

125 sig won't clear to 127, "No route between selected signals".

I have tried it to the shunt-ahead arrowhead and that doesn't work either. I have tried forcing the UR1 to UM and the UM to UR crossovers to reverse and that doesn't help.

Incidentally 225 will do this quite happily (from platform 1) ...
According to wiki it is not a valid route

Quote:
There is no route available between signals 125 and 127 (Cardiff Central P2 to Up Relief). In reality, the trackwork at the east end of the station did not allow this move: the link from platform 1 to the Up Relief crossed the Platform 2 line on a diamond crossing, with a single slip connection that allowed access from P1 to the Up Main. The way the layout is drawn in the simulation reflects the way it was drawn on the panel.

An option to shunt from P2 to P3 would be to shunt the train from shunt sig 668 on P2 to the DN relief 694/629 and then from 629 set the route into P3. (694 is the shunt signal in the DN direction and shunt sig 629 is the up direction, both on the DN relief), Some one with more knowledge may beable to advise a better place to shunt to and from

It's not my fault! I was left unsupervised.
Last edited: 05/07/2017 at 13:28 by MarkC
Reason: added info

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Platform 2 to URL won't clear 05/07/2017 at 13:25 #96146
headshot119
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There is no route from platform 2 to the up relief.
"CHECK Do you stop at Capenhurst?" - Opinions are my own and not those of my employer
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Platform 2 to URL won't clear 05/07/2017 at 19:48 #96151
GeoffM
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Afterbrunel in post 96144 said:
I need to clear a route from Platform 2 at Cardiff Central to URL
Apologies for being a bit pedantic but in the spirit of education, "clearing a route" implies to get rid of it, to cancel it. "Clear a signal" is ok (to make it show a proceed aspect) though these days I tend to avoid even that because of the perceived ambiguity with routes. Just say "set a route" and all is, ahem, clear!

SimSig Boss
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Platform 2 to URL won't clear 05/07/2017 at 21:12 #96154
Afterbrunel
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Thank you, but I shall continue to clear for the next train, of course by lowering my boards.
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Platform 2 to URL won't clear 06/07/2017 at 14:02 #96160
kbarber
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Afterbrunel in post 96154 said:
Thank you, but I shall continue to clear for the next train, of course by lowering my boards.
I have in my possession a set of local instructions for Acceptance Lever working in the Colchester Area (a number of single lines around there were thus worked). It's dated (IIRC) 1961. It was definitely issued for the resignalling with colour lights in connection with the Clacton electrification. And it has several references to 'lowering' signals!!...

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Platform 2 to URL won't clear 06/07/2017 at 14:25 #96161
WesternChampion
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Ken

Did you "lower" semaphore signals in upper quadrant areas, where the signal was actually raised, as well as in lower quadrant areas like the GWR / WR?

Chris

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Platform 2 to URL won't clear 06/07/2017 at 20:41 #96170
Afterbrunel
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Absolutely; in accordance with the 1950 Rule Book, where it is explained that references to lowering signals includes clearing them [ok I can't remember the exact terminology and I am away from home so I can't look it up) by other means.
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Platform 2 to URL won't clear 07/07/2017 at 00:02 #96173
DriverCurran
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Wording from my Bluebell Rule book (1955 based) although within the Electric Token Block instructions.

"References to the lowering of Fixed Signals also cover the placing otherwise than by lowering (e.g. by raising) of such signals to the "Clear" position or by displaying a less restrictive aspect."

Paul

You have to get a red before you can get any other colour
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The following users said thank you: WesternChampion, Afterbrunel
Platform 2 to URL won't clear 07/07/2017 at 08:33 #96175
KymriskaDraken
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When I was on my signalling course 100 years ago in Crewe we had magnetic semaphore signals on the classroom whiteboard. The instructor (foolishly) invited me to demonstrate something, so I cleared the signals as lower quadrant. There were some mutterings from the instructor about defective signals.


Kev

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