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Carlisle Issues

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Carlisle Issues 23/09/2018 at 12:47 #112288
pedroathome
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390 posts
Phil-jmw in post 112281 said:

Even though I can see the lamp is out on CE493 and can manipulate the aspect by returning 483 to Danger, in real life you can't see lamp indications on auto's in older PSB's so the first indication you get when something is amiss is when the driver stops at the red signal in rear of a black one (or on some old installations at the black signal itself, where the previous signal goes to single yellow).
For a more realistic display

Under F3 -> Display -> Tick Panel Signals

This will show you only Red & Green aspcts on signals, and hide the automatic signal aspects

James

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Carlisle Issues 24/09/2018 at 17:21 #112311
Phil-jmw
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pedroathome in post 112288 said:
Phil-jmw in post 112281 said:

Even though I can see the lamp is out on CE493 and can manipulate the aspect by returning 483 to Danger, in real life you can't see lamp indications on auto's in older PSB's so the first indication you get when something is amiss is when the driver stops at the red signal in rear of a black one (or on some old installations at the black signal itself, where the previous signal goes to single yellow).
For a more realistic display

Under F3 -> Display -> Tick Panel Signals

This will show you only Red & Green aspcts on signals, and hide the automatic signal aspects

James
I have panel signals ticked Pedro (I always do where I know that auto's are only drawn on in real life), but the grey signal roundels in Simsig still go hollow with a lamp out. The point I was making was that as I was ignoring the hollow grey lamp out indication I can see because in real life the signalman sees nothing on older installations, I found that the train failed to call in from the signal he was standing at.

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Carlisle Issues 13/10/2018 at 00:05 #112600
Soton_Speed
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Running the 79/80 TT and have had a TCF at Gretna Junc.

S&T have just got the occupied indication to drop to clear the route but the trailing crossover at the junction is shown as locked. See below.



Have also tested the down main equivalent (overlap section for CE521) and got the same. I am guessing this correct as per the control tables?

Have also had a PF on the trailing crossover at Oxenholme (failed Reverse) and am unable to set a route from CE42 (UGL) (or CE41 to UGL). Yet, as the screenshot below shows, it is possible to route down trains via the DGL.



I am guessing again that this is as per the control tables?

TIA

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Carlisle Issues 13/10/2018 at 02:36 #112601
GeoffM
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I haven't seen the control tables. However, the first is quite common with older interlockings: the interlocking sees the overlap occupied as a SPAD and thus locks the junction. This is not so common these days because failures like this are a little detrimental. The second is because of the two trailing points in the same TC: the TC occupied (from the loop) would lock the points between the main lines, meaning the Down Main would be unusable until the TC was cleared.
SimSig Boss. Website issues: Check here first: https://www.simsig.co.uk/Wiki/Show?page=newwebsite
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Carlisle Issues 13/10/2018 at 09:41 #112606
postal
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Soton_Speed in post 112600 said:
Have also had a PF on the trailing crossover at Oxenholme (failed Reverse) and am unable to set a route from CE42 (UGL) (or CE41 to UGL). Yet, as the screenshot below shows, it is possible to route down trains via the DGL.
Can't help with the Gretna incident but the Oxenholme problem is caused by the approach locking for CE41 and the overlap for the preceding signal. Once the overlap drops you will be able to set the route from CE41 to the UGL. At the far end of the loop (and also for the crossover), Tom has information that routes conflicting with the path along the Up Main cannot be set through the next TC while the overlap is still timing out. That rules out either the crossover of exit points from the loop being set to reverse until the overlap drops. Once 3M07 draws up to CE41 and the overlap drops out you should be able to route through the UGL and out at the far end.

"I drink to make other people seem more interesting." - George Jean Nathan, (14/02/1882 - 08/04/1958), American author, editor, and drama critic
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Carlisle Issues 13/10/2018 at 17:26 #112608
GeoffM
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postal in post 112606 said:
Once the overlap drops you will be able to set the route from CE41 to the UGL.
I missed that - that is correct.

postal in post 112606 said:
Once 3M07 draws up to CE41 and the overlap drops out you should be able to route through the UGL and out at the far end.
No, for reasons I already explained. 610 points (the UM/DM crossover) need to be detected normal for the signal to show proceed. However, if the point key and reminder is taken off to allow the points to *call* (but won't detect) then the route can be set and the train can be authorised to pass the exit signal at danger.

SimSig Boss. Website issues: Check here first: https://www.simsig.co.uk/Wiki/Show?page=newwebsite
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Carlisle Issues 14/10/2018 at 01:21 #112613
Soton_Speed
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GeoffM in post 112601 said:
I haven't seen the control tables. However, the first is quite common with older interlockings: the interlocking sees the overlap occupied as a SPAD and thus locks the junction. This is not so common these days because failures like this are a little detrimental. The second is because of the two trailing points in the same TC: the TC occupied (from the loop) would lock the points between the main lines, meaning the Down Main would be unusable until the TC was cleared.
Thanks for the explanation. Had a look at the Motherwell sim (same re-signalling scheme?) but couldn't find anything similar. I can see how this could cause havoc in a busy suburban situation.

Yeah, I missed seeing the lack of a T/C break at Oxenholme! Guess there was no need in having separate T/Cs when the two pairs of points were unlikely to need to move separately. Luckily as this was 1980s mode, there was a member of Oxenholme's station staff on hand to wind the points.

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Carlisle Issues 27/10/2018 at 22:01 #112903
bfcmik
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I have a save with 6T87 running from Gretna Junction towards Eastrigg M.O.D. Sidings but it just runs straight past and disappears from the sim heading towards Dumfries.
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Carlisle Issues 02/11/2018 at 05:28 #113058
BarryM
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2030 posts
It appears that you did not set the Ground Frame 954. It is required for trains going to Eastrigg MOD Depot.

Barry

Barry, Sydney, New South Wales, Australia
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Carlisle Issues 02/11/2018 at 15:06 #113065
bfcmik
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Quote:
It appears that you did not set the Ground Frame 954. It is required for trains going to Eastrigg MOD Depot.

Barry
You have to wait for the train to stop before you can open the ground frame - the train sailed past the entrance at a steady 40 mph

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Carlisle Issues 02/11/2018 at 16:32 #113068
postal
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bfcmik in post 113065 said:
Quote:
It appears that you did not set the Ground Frame 954. It is required for trains going to Eastrigg MOD Depot.

Barry
You have to wait for the train to stop before you can open the ground frame - the train sailed past the entrance at a steady 40 mph
I've got a vague memory that something like that happened in testing but couldn't be reproduced so it was written off as just one of those things. What happened to 6A48 which follows and is also booked into Eastriggs?

"I drink to make other people seem more interesting." - George Jean Nathan, (14/02/1882 - 08/04/1958), American author, editor, and drama critic
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Carlisle Issues 04/11/2018 at 01:30 #113117
BarryM
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postal in post 113068 said:
bfcmik in post 113065 said:
Quote:
It appears that you did not set the Ground Frame 954. It is required for trains going to Eastrigg MOD Depot.

Barry
You have to wait for the train to stop before you can open the ground frame - the train sailed past the entrance at a steady 40 mph
I've got a vague memory that something like that happened in testing but couldn't be reproduced so it was written off as just one of those things. What happened to 6A48 which follows and is also booked into Eastriggs?
My Down train 6T87 "dropped his sails!" at the entrance to the siding. Once the overlap cleared, the GF released and the train entered Eastrigg sidings.


Barry

Barry, Sydney, New South Wales, Australia
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Carlisle Issues 07/11/2018 at 22:54 #113174
bfcmik
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postal in post 113068 said:
I've got a vague memory that something like that happened in testing but couldn't be reproduced so it was written off as just one of those things. What happened to 6A48 which follows and is also booked into Eastriggs?
My train was late running so 6A48 was already in Eastriggs. I loaded an earlier save and it worked just fine the next time.

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