The decider combinators will monitor the levels within the boxes and output a signal (L), when a certain amount has been reached. The easiest way to set this up is to link up all the boxes at the station to the circuit network, and connect them as input to decider combinators. This increases efficiency of the network and decreases the amount of player oversight needed for trains to run smoothly. For example, if there are more resources at a station, more trains can visit, if there are less resources, less trains can visit. Dynamic stations make use of the circuit network to control the train limit, allowing for more or less trains to visit, depending on how much resource is available. The railway network can be further optimised by the inclusion of dynamic stations. For example station turns on when solid fuel is less than 300. This could be useful for stations that are resupplying specific items to locations eg defence or energy requirements. Stations can also be turned on and off using the circuit network. Connect a station to the circuit network by selecting either the green/red wire, and hooking it up to signals. More complex conditions can be set up using circuit network conditions. The train leaves when both of these conditions are met, as shown in the picture. For example, the train only leaves the station when there is at least 1,000 iron plate "AND" 50,000 sulphuric acid present. Several separate conditions could be used using "OR", or multiple conditions together using "AND". A specific time could be used as a condition, a number of items within the cargo could be used, or even a combination of several conditions.
Higher grade fuels can also be used to boost locomotive speed and performance.Īside from the standard "Full Cargo" and "Empty Cargo", there is a large range of wait conditions that can be used to control trains. The default game setting is 1-4 (one locomotive and 4 wagons), however faster trains can be created using more locomotives, or more wagons could be included for greater capacity. Ideally stack inserters are used when loading and unloading trains, as they are efficient at moving large amounts of items. It travels into the station, loads/unloads, then the track is looped back onto the main rail system. One way track, requires a train to have a single locomotive at the front. It will travel into the station, loads/unload, then travel back out along the same track. Two way track, requires a train to have two locomotives one at the front and the other at the back. This helps determine if there is enough space for the station, and the placing of the necessary infrastructure of inserters, boxes and belts. When a station is placed onto the track, the space for each locomotive or wagon is shown by a white outline. One that will load resources on to a train, and a station to unload them at the factory. In order to transport resources, two stations are needed. Either the track needs another signal somewhere, or the signal needs repositioned. Train will continue on it's route, provided the next signal on it's route is open.Ī flashing signal indicates it is unable to divide the track. Yellow- Next block is reserved for that train (all other tracks that cross, their signals turn red)īlue (only chain signal)- Some blocks are available for the train, but some are not. They can be incorporated easily by using the Golden Rule Chain Signal In, Rail Signal Out. Since a chain signal reflects the state of the next signal, they are especially helpful in preventing blockages in busy segments of track.
#Factorio train unloading free#
The chain signal will be open (green/blue), provided the next block is free and the next signal after it is open. The standard rail signal will be open (green), provided the next block is free (no train present). There are two types of rail signal in Factorio, the standard rail signal, and the chain signal. Different blocks are represented by different colours- the actual colour is irrelevant, it is only there to help the player distinguish between each block. In Factorio, signals can be placed on the track, breaking it into blocks, which help to control and manage the network.
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