Basic Rail / Train Signaling - Factorio Tutorial & Guide : Rail vs Chain Signals & How To Use Them
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- Опубликовано: 18 окт 2024
- Factorio Basic Rail / Train Signaling! This Factorio Tutorial discusses the principles of basic signaling and the difference between normal Rail Signals and Chain Signals and how to use them.
I consider there to be be two main differences between these two signals, and have two rules I follow when placing them in a rail junction:
Rail signals only look in the block directly in front of them
Chain signals look multiple blocks ahead up to a normal signal
Rail signals have 2 solid states (red / green)
Chain signals have 3 solid states (red/blue/green)
Chains before rail crossings
Normal signals before merges (not crossings)|
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Hope you all found this helpful! What other type of train tutorials would you like to see me do in the future?
I would like to see how you would create a vanilla logistic rail network with version 1.1
When should you stop relying on your robot logistic network for supplying ammunition and fix packs to your perimeter and use trains instead?
I guess roundabout also use similar approach like cross junction right
@@poseidondredd yeah similar. Same principles should apply to a roundabout. Personally I don't like using them, so don't have as much experience signaling them but the general rules should work good.
I've watched over 300 different videos trying to explain rail signals in 26 different languages including brail, sign language, SOS, dog, also 2 alien languages i learned after being abducted and probed at summer camp (fun times!) and this is by far the best one 👍
This is a great tutorial for people who have no idea how trains work, especially the intersection part. Easy explanations for why to do things, not just how to do things. 👍
I've tried to learn trains a couple times and your video was finally the one that clicked. The simple rule of chain signal before cross, normal before merge gave me the foundation to UNDERSTAND it which I hadn't gotten before. Thank you so much
I have been so confused by train signals for the longest time, and no tutorial ever seemed to make things clear. This is by far the best explanation I have ever heard on the subject. Great job man!
Thanks, I'm so glad it helped!
Now that I have the knowledge of the forbidden train signals I can finally become the Train Master, thank you Mr Xterminator
Thanks, I found the rotation tip useful where you have the option of associating the signal to more than 1 track. I’ve been avoiding placing signals in such places because I get confused about the signal behaviour at these locations.
Thank you so much for this. I was having a lot of trouble understanding trains and neither the in-game tutorial nor the Factorio Wiki were really helping. This video solved pretty much every question I had about how trains and signals work.
Really glad to hear it helped! :)
I'd agree that the in game tutorial for them and wiki are lacking and somewhat confusing.
Thanks for watching!
You explained this way better than the in game tutorial. Literally, the fact that you explained how signals look ahead of the rail they are placed on until they encounter another signal just makes this so much easier to grasp.
As a new player bumping my way through trains, I found this extremely useful. Thank you.
"EXCELLENT, Smithers!" Very clear and simple, just like all the other tutorials said they would do but didn't. Thank you.
finally a signal tutorial that makes sense
These signals were really giving me trouble and basically stopping all my iron production cuz I couldn't quite figure out how they work, but this video cleared it all up, many thanks friendo!
Great video, I've watched a couple tutorials for trains already and this is a great explanation and demonstration. Very concise and helpful, thanks! I think it finally clicked this time 😃
That's fantastic it finally clicked for you! That's how it worked for me too. :)
I've watched several other youtubers explain this and I had no clue what to do, but with you, my brain just understood. Thank you so much
I’m about to fix the mess of signals and rail crossings I have all over the place in my world. I’m using a combination of bi-directional and one-way tracks but it’s becoming cumbersome and difficult to manage with the increase in traffic as I add more trains. I’m confident that your video and explanation will help me get it all sorted out. Thanks!
Dude you're awesome! I did a full playthrough of Factorio a while ago just to say I did it, but I haven't wanted to touch the game again because of the trains and the circuit network. You're making me want to dive right back into this!
I use chain signals at merges and then at the first possible signal location after I use a normal signal and that is to ensure that the train does not still have a chance to block the rail network
When I was learning how to signal rails, everything was self-explanatory except one thing. When placing a signal, the rail is split into two sections for both sides, meaning you cannot have asymmetrical signaling on two-way rail.
Of course you can't. How would the signals behave in such a configuration? If they just look at the track in front of them as they always do (and should do) to which other signal would it look to to determine what is a block? The next signal on the same side or the next signal on any side? A block needs to be the same for both sides because the block is determined by the train, which can only be on the rails, of which there is only one, not the signalling, of which there are now two sets (forward and backwards traffic). So they enforce it by having signals symmetrical.
symmetry on the two-way track. this comment got my network running. thanks!
thx this tutorial made me understand instead of copying a build online, i now made my rails system work without trains crashing into other ones
I've had the hardest time understanding signaling and just the simple, normal signal for merges, and chain for crossings, explains it all and simply and now I finally get it. So thanks for explaining it so well :D heh.
Thank you so much, I was really struggling to get my head around rail signals, this really helped!
So glad to hear that! I had struggled for a long time as well and then it finally clicked when someone explained it to me like this. So I'm glad it's helping others too
Great video. Helped me to visualize and understand how they work like other videos just weren't doing. Back to the factory before the boss sees me.
This was my 5th video on train signaling...I finally understand. Well done X thank you.
I'm so happy to hear that my video helped you make sense of them! :)
That means a lot honestly. I also took quite a long time to understand how they work.
Thank you, I have been watching other videos but I just couldn't understand them. You made this super clear for me and I'm ready to start scheduling trains! Great video!!
im 800h in Factorio and theres still plenty of things i need to learn properbly like train signals in a crossing :D
i used to just put a chain signal at every input and a normal signal at every output which limits the thruput of the crossing
thanks for the great Video, helped me alot
Im glad I have a background in Open TTD signals when learning this
surprisingly Open TTD is harder, more signal variants lol
I can't remember whether someone taught me the technique i use or if i somehow brute-forced some learning to discover it
But the junction i like to use is a circular junction (Where a train can enter and keep turning left until they can reach the rail they want to travel)
I think the principle i learned was to have a chain signal at a junction/split entrance, and a normal signal at the start of every exit to said junction/split
It does have some upsides and some downsides (Notably obvious downside being having to wait for the junction to be empty for _any_ train to safely use it)
But what i like most about it is just how visually appealing it is
Still, really helpful video to reinforce my understanding!
Thanks you explained it better than anyone else I found. This tutorial really helped me
I'm so glad to hear that!
Beautiful explanation and two easy-to-apply rules. Thank you!
Excellently explained. I checked out some other signal tutorials and was completely lost - thanks!
Thanks, really glad it helped! :)
It took 5 videos but you actually did a better job explaining this confusing thing!
Extremely helpful video on train signalling
I love it. I think this is the only tutorial that doesn't confuse me, lol.
Thank you omg! This is going to make the world me and my friend are running so much easier to get stuff from. I figure that T-Junction should help me put multiple trains into the same station.
Thanks so much for this. I don't know why, but trains drive me crazy.
One of the most needed tutorials :D thank you.
Best video on topic I watched yet
This was really helpful. Thanks for explaining so well!
Happy to hear it helped! Thanks for watching. :)
Thanks a lot man. You’re a hero for factorio brainlet like me
My pleasure, glad it helped!
Thanks for explaining this like i'm 8 years... :P i needed this :D
amazing tutorial and very unconfusing! Thanks a lot Xterminator!
thx for this tutorial ... now I know how to place signals in a correc way, which i did not understand sofar
Thank you so much for the info. I have always had trouble wrapping my head around how the signals worked with each other as well as a good best practice to using them. Are you planning to do more tutorials on the more advanced features of train management?
My pleasure! I hope this helped make things a bit more clear.
And yes I'd definitely like to. Any requests or suggestions for them would be great!
@@Xterminator how to supply remote outposts.
@@Xterminator So far my trains have always been resource specific. Like I have an iron ore train or a copper plate train and they just run in a loop to the different stops that need them. But I have seen some RUclipsrs have generic cargo trains that are called as needed. I know they use Circuit Networks but I have no how. But to be honest I would love to see a tutorial for the middle game. You now have trains and you are expanding your network, here are some good techniques to manage them. Just my thoughts anyway. Thank you!
this really helped me, im way too far into game to not have know chain signals
Glad it helped! Took me a long time to figure out signaling as well, especially chain signals
Excellent video Xterminator I was waiting for it. Saludos desde Colombia!
Thanks I thought chain signals just looked at the state of the next signal or set of signals ahead of it rather than the the block ahead of that
Hello, thanks for the tutorial! I have one question - Isn't placing regular signals AFTER a merge makes more sense?
That cleared up the whole chain signal thing for me. I thought it was checking the next signal state not the rail block state.
This was clear and easy to understand. Thank you.
Thanks! I have 700 hours in game but i never really used trains thinking it was top much of a hassle. Made a New factory which is going to include a railnetwork
Best video on the subject
Thanks!
Hi i think u was going to do double headed train signaling at the end but maybe forgot. Ps thanks for showing it's possible to rotate signals I didn't know that
You can do the same thing with Train Stops, too.
dude this helped me so much thanks a lot
Very helpful guide. The only question I have is whether I need to place signals along long piece of rail? In case one faster train is behind slower one? Can it catch up and hit slower train from behind?
Glad it was helpful!
And yes you should place normal signals along the mainline track so one train doesn't run into another.
Placing them one or two train lengths apart is usually good. Hope that makes sense. :)
Thanks for the tutorial man, really helped me out!
A chain signal will also send a yellow signal forward, which means that It'll reserve every block a train needs to pass before the train fits between normal signals again.
actually chain signals treat yellow signaled blocks ahead as red (and consequently show red/blue and not yellow). They do however become yellow themselves when a train is about to enter their own block.
@@FalcoGer I was talking about when a train is about to pass that chain signal, not when a train is about to enter the same block from a different direction.
This one, this is the one, thank you so much
Did not know about the rotate on signals thanks :)
Cheers,
Great tutorial
its so simple, many tutorials made it too hard to understand :p
I wish (and maybe it exists as a mod) there was a way to find which station - of multiple identically named ones, that's the problem - a train has "No Path" to. Bonus if it could find/identify where the path (or *a* path) was broken ("attempt to find path and indicate likely gaps")
Awesome video
Very helpful, thank you!
Thank you so much! This really helped!
So glad to hear it!
When you were signaling the crossing at 13:30, and the track actually extended out for a long time after that crossing, wouldn't the rail signals at the ends be looking into the entire block ahead even if it is like super long? Like wouldn't you want to put another rail signal to close it out???
In your last example at 17:18 why did you not signal at the entrance to the merges??? Like say a train was going north on the vertical rail to the right. Then say one train was stopped at the first chain signal on that rail. Then imagine a second train was coming up behind that train intending to go right. Since the first signal is on the curve curving off to the right, it would hit the train stopped at the perpendicular crossing, right???
So, how do I even use a 4 way junction properly? Do I have to send trains only in 1 direction on each individual rail? Normally I have trains going back and forth on the same rail but this 4 way junction doesn't seem to allow that, so I tried doing a loop to go the east rail but it keeps saying no path. In a nutshell, I'd like to see an example how to use this 4 way junction on a basic level.
Great tutorial, well done.
Thanks!
I was watching this video while my trains crashed into eachother
I wish I knew the better spacing between rails on my 700 hour factory.
I did 2 squares apart, and I can not make the T junction work properly because I can't fit the signals.
But too late now
Thank you for this, really....
thank you thank you thousands thank you
My only question
Please answer
Can a chain signal turn red if a signal leading out of the block turns red... even if there is no way for the train to get to the path?
Like an intersection
I think the simplest explanation is: rail signal makes a block, chain signal is exactly the same, but also looks at the next signal
Thanks!
thank you
And I'm still here with no idea how to pass the "Repair the railway and set up an automated deliveries" in tutorial mode for about 5 hours now because the locomotive says "No Path", I still don't know what to do after watching this video.
does it can only accommodate 1 direction only what if I want my train to be back and forth to it?
The annoying thing for me is once I set it up. I got no valid path. Does positioning matter? Seems its all just one way.
Can i wear a stop signal while roaming on the track. :P
next's is maby stations and the limits :)
That is on my list for a future video!
TL;DR: Put a Train Signal whenever you can fit a whole train. Use a chaining signal to isolate tracks that cross and places you don't want a train to sit. -- IFF you want a train to sit there, use a Train signal. otherwise, use a chain signal to help get the train there without undue delays.
"It's just a video, it can't change your life!"
The video:
does this work for trains going back and forth through the same crossing?
What about placing a normal signal right after the merging of 2 tracks like on your T-junction, and placing chain signals everywhere else? Otherwise trains entering the junction need to travel a long distance before meeting another normal signal to actually free the merge. So any trains coming after it need to wait a long time before they can even enter the junction as your normal signal (which is still inside the junction) stays red a long time. And you didn't place any signals at the entrance of the junction. It would not make a big difference but still, i wouldn't feel comfortable trains getting to a stop on top of a merge or split.
Great suggestion! I do this sometimes, but often forget.
Although my rail blueprints do have signals at every Big Power length, so worst case would be that distance from the end of the junction before a normal signal
Chain in, Rail out. 😉
That works too. I personally don't use that phrase for teaching purposes because I think it's a bit too vague for new players to fully understand the use case.
TYSM
I kept destroying trains because I didn’t realize the regular train signals weren’t meant to look ahead like the chain signals… now I see where I was messing up
I definitely did the same thing too!
@@Xterminator It kept throwing me off. I was thinking that there was some recipe that I was missing or that there were several items that needed to be combined in their use in order to communicate what was going on further down the rail line. But now I got it. Appreciate the video 👍
thanks bro. until I watched this I believed that trains were a scam
After tutorial and few videos..this one looks like will stuck forever..chain upon intersect and normal.on merge...easy to remember
I am missing 1 thing: the trainstacker
1 with only 1 station and 1 with multiple stations with the same name
Hey! can i contact you somewhere ? i've got a signal problem, and dont know how to solve it
You can contact me on Discord, which should linked in the description of most my videos
@@Xterminator alright, tell me when you got time to help. also is it possible to be in dms or something?
I love you
bruh, chain before merge and rail after
is there any point to signals between junctions?
Not if the junctions are only a train length or two apart. But if there is a long distance between junctions, then you'd probably still want signals between them to increase throughput
And to expand once more :) you should try to avoid rail blocks which are both (a) made with rail signals and (b) shorter than your longest train. A long train held in a short block at a red rail signal will "hang out the end" of the block. So, another rule of thumb is to have a chain signal before any block which is shorter than your train length. Big rail networks will always need double tracks (as Xterm showed here), and will be broken up into blocks suiting a "standard" train length, whatever that might be, say 1-4 (1 loco, 4 wagons), or 2-16-2 if you're thinking BIG!
There are a few errors and unclear points in your explanations. I also have some suggestions.
A chain signal copies the signals in front of it might be a better way to describe this instead of the chain signal is looking at the next block until the next normal rail signal.
Another difference between the two is that you can use the circuit network to read both, but you can only set rail signals' status.
Your "crossing" vs "merging" rule doesn't work in all cases. For instance if your "crossing" happens as a series of rapid merges and splits (such as a circle junction for example, basically every time you split right after a merge within a train's length).
The corners will always have the same space for signals, no matter how far you place the rails apart. And you can also make wider corners, no matter how far you place those rails apart.
I don't like to put signals in the corner like that. It's error prone, harder to see and on the map you can't know which rail it actually belongs to. Also when exiting junctions you should place the signals as close to the junction as possible to clear the next train through as fast as possible. In practice that doesn't make much of a difference if all your trains are running, but if a train had stopped there, it could mean an extra second or two of starting time.
Another super simple algorithm to make sense of signalling is (unless you do a single lane setup with bypasses, which is a whole different cattle of fish):
- Place rail signals on regular intervals on straight tracks (unless you don't want multiple trains on that track, see below)
Those signals need not be spaced in any particular way, they can be shorter than your train lengths. Personally I like to have them go with long range power poles just because it looks nice and gives consistent spacing.
- Unless there is another intersection coming up before a full length train can fit, place rail signals on the exit of each intersection
- Place a chain signal going into all intersections or merges (merges not necessary in all cases, but makes it easier to remember) (including at the point above where a full length train can not fit, which may be very short pieces)
- Place the rail signals at the end of intersections as close to the intersection as possible to clear the next train as soon as possible.
- Use chain signals on tracks where you only ever want one train (such as in front of a train stacker up to the stations or speedup tracks going back onto the main lane(s))
It might also be worth mentioning that if multiple trains are waiting on a block to become free (such as a stacker going into the track that goes into the stations), the trains will go in the order they arrived at the signals.
Also your four way junction doesn't let trains turn left.
I use roundabouts
All I want to know is why my train only says no path T_T
I hate trains. I havent watched the video yet but spent like an hour trying to get a simple railroad with more than one train to work. I put any signal anywhere and park another train in it's station and the other t rain just get's "no path". even if I put signals infront of the stations too. This system is dumb.
Hmm... perhaps... can trains only travel in one direction on rails in this game after you put signals? if so that's dumb.
yep but if you put the signals on both sides they can go both directions