Presignal Basics - Revision history

Benny: Marked for deletion

2013-12-17T09:49:00Z

Marked for deletion

Benny: Added to basic networking category

2013-12-04T10:14:52Z

Added to basic networking category

Bodo Thiesen: fixed and/or improved inter guides linking

2010-07-19T16:14:52Z

fixed and/or improved inter guides linking

Scobos: Typo - "five type of signals" when six are listed

2010-05-10T23:28:57Z

Typo - "five type of signals" when six are listed

RobertHunt: /* Part 1: Identify the signals */

2009-11-10T14:22:34Z

‎Part 1: Identify the signals

Bigal-sa: /* Part 2: The Station Problem */

2009-02-09T04:49:19Z

‎Part 2: The Station Problem

Bigal-sa: /* Part 3: An Effective RoRo station */

2009-02-09T03:00:48Z

‎Part 3: An Effective RoRo station

Bigal-sa: /* Part 1: Identify the signals */

2009-02-09T02:55:59Z

‎Part 1: Identify the signals

Keiya: /* Part 1: Identify the signals */ Add One-Way PBS, remove the note that PBS signals aren't in nightlies (they are now)

2009-01-13T13:25:09Z

‎Part 1: Identify the signals: Add One-Way PBS, remove the note that PBS signals aren't in nightlies (they are now)

Bob27: /* Part 1: Identify the signals */

2007-07-19T00:00:57Z

‎Part 1: Identify the signals

← Older revision		Revision as of 09:49, 17 December 2013
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		+	{{delete\|We don't need this, link to this instead: http://wiki.openttd.org/Signals#Pre-signals}}
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	[[Guides:Presignals\|^^ Back to Presignals Guides Index]] \| [[Oneway_or_Twoway_Presignals\|Oneway or Twoway Presignals >>]]		[[Guides:Presignals\|^^ Back to Presignals Guides Index]] \| [[Oneway_or_Twoway_Presignals\|Oneway or Twoway Presignals >>]]
	----		----

← Older revision		Revision as of 10:14, 4 December 2013
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	[[Guides:Presignals\|^^ Back to Presignals Guides Index]] \| [[Oneway_or_Twoway_Presignals\|Oneway or Twoway Presignals >>]]		[[Guides:Presignals\|^^ Back to Presignals Guides Index]] \| [[Oneway_or_Twoway_Presignals\|Oneway or Twoway Presignals >>]]
	[[Category:Guides]]		[[Category:Guides]]
		+	[[Category:Basic networking]]

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 =<center>Presignal Basics</center>=
 The Presignal Basics is explained here: how they work, how they behave, and how does work a terminal station, and whats the use of the combo presignal.
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 The Entry Presignal A will be red only, if all Platforms are used, Exit Presignals F-K are red. If F-K are red, then all Combo Presignals B-E are red too, then the Entry A will be red.[[Image:RORO3.png|center|thumb|520px|All Platforms red]]
-== ==
+----
-[[Guides|<< Back to Index ]] | [[Oneway_or_Twoway_Presignals| Part 2: Oneway or Twoway Presignals >>]]
+[[Guides:Presignals|^^ Back to Presignals Guides Index]] | [[Oneway_or_Twoway_Presignals|Oneway or Twoway Presignals >>]]
 [[Category:Guides]]

@@ Line 3: / Line 3: @@
 ==Part 1: Identify the signals==
-There are five type of signals in OTTD. If you click on a normal signal with CTRL is held, these signals will appear:
+There are six types of signals in OTTD. If you click on a normal signal with CTRL is held, these signals will appear:
 '''Normal Signal''': It does not have any special alibity, it turns to red if the next signal block is blocked by any train.

@@ Line 17: / Line 17: @@
 '''One-Way PBS Signal ''': It works like a PBS Signal, however, it prohibits passing through from the back side. This type of signal is not explained here.
-[[Image:Signals.PNG|thumb|center|327px|Different signal types]]
+[[Image:Signals_revised.png|thumb|center|388px|Different signal types]]
 ==Part 2: The Station Problem==

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 ==Part 2: The Station Problem==
 Stations without any presignals have a big problem: just have a look on the Image to the below. Signal A should be red...[[Image:Terminal1.png|270px|center|thumb|Problem at stations without Presignals]]
-If you let one more train to enter into the station, it will block the exit, because A signal is green. This problem is solvable with presignals: Just turn A into Entry presignal, and turn B and C signals to exit signals. [[Image:Terminal2.png|276px|center|thumb|Station with Presignals]] How does it work? If Exit Presignals B, C are both red, then Entry Presignal A is  red too. Then a third train cant pass trough Signal A.
+If you let one more train to enter into the station, it will block the exit, because A signal is green. This problem is solvable with presignals: Just turn A into Entry presignal, and turn B and C signals to exit signals. [[Image:Terminal2.png|276px|center|thumb|Station with Presignals]] How does it work? If Exit Presignals B, C are both red, then Entry Presignal A is  red too. Then a third train cannot pass trough Signal A.
 ==Part 3: An Effective RoRo station==

@@ Line 24: / Line 24: @@
 ==Part 3: An Effective RoRo station==
-Combo Presignals are mostly placed between Entry, and Exit presignals, because the Combo Presignals transmits the Exit presignal signs fot the Entry Presignals. Combo presignals behave as an entry presignal and an exit presignal both.[[Image:RORO1.png|center|thumb|526px|RORO station]] In the Image above, signal A is Entry Presignal, signals B, C, D, E are Combo ones, and F-K signals are Exit Presignals.
+Combo Presignals are mostly placed between Entry, and Exit presignals, because the Combo Presignals transmits the Exit presignal signs for the Entry Presignals. Combo presignals behave as an entry presignal and an exit presignal both.[[Image:RORO1.png|center|thumb|526px|RORO station]] In the Image above, signal A is Entry Presignal, signals B, C, D, E are Combo ones, and F-K are Exit Presignals.
-If F and G Platforms are used, then Combo signal B uses his Entry Presignal alibity, and it will turn to red, because F, and G Exit Presignals are both red. But the Entry Presignal A is remains green. Exit presignals H-K are green, then Combo Presignals D, E is green, then Signal C is green too. With this Combo Presignal B is red and C is green, then the Entry Presignal A is remains green.[[Image:RORO2.png|center|thumb|526px|The Entry remains green]]
+If F and G Platforms are used, then Combo signal B uses its Entry Presignal alibity, and it will turn to red, because F, and G Exit Presignals are both red. But the Entry Presignal A is remains green. Exit presignals H-K are green, then Combo Presignals D, E is green, then Signal C is green too. With this Combo Presignal B is red and C is green, then the Entry Presignal A is remains green.[[Image:RORO2.png|center|thumb|526px|The Entry remains green]]
 The Entry Presignal A will be red only, if all Platforms are used, Exit Presignals F-K are red. If F-K are red, then all Combo Presignals B-E are red too, then the Entry A will be red.[[Image:RORO3.png|center|thumb|520px|All Platforms red]]

@@ Line 5: / Line 5: @@
 There are five type of signals in OTTD. If you click on a normal signal with CTRL is held, these signals will appear:
-'''Normal Signal''': It doens`t have any special alibity, it turns to red if the next signal block is blocked by any train.
+'''Normal Signal''': It does not have any special alibity, it turns to red if the next signal block is blocked by any train.
 '''Entry Presignal''': It works like a normal signal, plus it turns to red if all exit presignals, or combo presignals are red after it.
@@ Line 13: / Line 13: @@
 '''Combo Presignal''': It has both Entry and Exit presignal alibities: It turns to red if all Exit/Combo are red after it, and it signs for the Entry/Combo Presignals, if the self is red.
-'''PBS Signal ''': Not a Presignal, it enables more trains in one signal block, since PBS means Path Based Signaling. This type of signal isn't explained here.
+'''PBS Signal ''': Not a Presignal, it enables more trains in one signal block, since PBS means Path Based Signaling. This type of signal is not explained here.
 '''One-Way PBS Signal ''': It works like a PBS Signal, however, it prohibits passing through from the back side. This type of signal is not explained here.

@@ Line 11: / Line 11: @@
 '''Exit Presignal''': It works same as normal signal, but it signs for the entry, or combo signals, if self is red.
-'''Combo Presignal''': It have Entry and Exit presignal alibities both: It turns to red if all Exit/Combo are red after it, and it signs for the Entry/Combo Presignals, if the self is red.
+'''Combo Presignal''': It has both Entry and Exit presignal alibities: It turns to red if all Exit/Combo are red after it, and it signs for the Entry/Combo Presignals, if the self is red.
 '''PBS Signal '''- ''removed type of signal'': Not a Presignal, it enables more trains in one signal block, since PBS means Path Based Signaling. This type of signal isnt explained here. PBS is dropped out of from nightlies due of its annoying bugs.