Logistic network: Difference between revisions
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[[File:RoboTrainStation.gif|thumb|632x562px|right|''This gif shows how robots can load or unload chests in a train station. The top track is for loading; and there are [[Requester chest]]s on both sides. The requested items are then filled into the wagons. The second track is the unloading track, the delivered items are filled into [[Active Provider chest]]s and then put into the [[Storage chest]]s at the very top and at the center. At the bottom the incoming ores from both sides are moved into [[Active Provider chest]]s; and then put into the requester chests at the top track.'' Logistics robots are ideal in train stations, since very high item throughput on a short distance is needed.]] | |||
| | |||
| ''This gif shows how robots can load or unload chests in a train station. The top track is for loading and there are [[Requester chest]]s on both sides. The requested items are then filled into the wagons. The second track is the unloading track, the delivered items are filled into [[Active Provider chest]]s and then put into the [[Storage chest]]s at the very top and at the center. At the bottom the incoming ores from both sides are moved into [[Active Provider chest]]s and then put into the requester chests at the top track. | |||
''Logistics robots are ideal in train stations, since | |||
A [[Logistic network]] (LogNet) is a series of [[Logistic network/Chests|different chests]] and [[Logistic robot]]s all covered by one or more [[Roboport]]s. | A [[Logistic network]] (LogNet) is a series of [[Logistic network/Chests|different chests]] and [[Logistic robot]]s all covered by one or more [[Roboport]]s. | ||
Depending on the type and configuration of the chests and area of the [[Robotic network]] the robots will transport items between these chests as a power-hungry alternative to moving items manually, by [[Transport network|belts]] or [[Railway network]]. | Depending on the type and configuration of the chests and area of the [[Robotic network]] the robots will transport items between these chests as a power-hungry alternative to moving items manually, or by [[Transport network|belts]] or [[Railway network]]. However, robots offer much higher mobility, since they can fly over obstacles. | ||
The player character can also act as [[Requester chest]] in the [[Logistic network]], allowing | The player character can also act as [[Requester chest]] in the [[Logistic network]] with the correct researches, allowing them to 'request' various items be kept at a set limit within their personal inventory. After [[Research|researching]] [[Character logistic slots]], they can configure an amount of Items; and [[Logistic robot]]s will start to move the specified [[Items]] from the network to the character's inventory. | ||
Do not mix up LogNet and [[Circuit network]]. They share | Do not mix up LogNet and [[Circuit network]]. They share common components, but are otherwise disconnected and do not exchange any information. Also, do not mix up logistic network with construction network or combinations of the two called [[Robotic network]]. | ||
== Items == | == Items == | ||
| Line 23: | Line 19: | ||
| {{imagelink|Provider-chest|Active Provider chest}} || [[Logistic network/Chests|Logistic Chest]]: Supplies the contained items to the logistic network. (**) | | {{imagelink|Provider-chest|Active Provider chest}} || [[Logistic network/Chests|Logistic Chest]]: Supplies the contained items to the logistic network. (**) | ||
|- | |- | ||
| {{imagelink|Logistic-chest-passive-provider|Passive Provider chest}} || [[Logistic network/Chests|Logistic Chest]]: Supplies the contained items to the logistic network. (**) | | {{imagelink|Logistic-chest-passive-provider|Passive Provider chest}} || [[Logistic network/Chests|Logistic Chest]]: Supplies the contained items to the logistic network passively. (**) | ||
|- | |- | ||
| {{imagelink|storage-chest|Storage chest}} || [[Logistic network/Chests|Logistic Chest]]: Stores [[Items]] currently not requested. Supplies the contained items to the Logistic network. (**) | | {{imagelink|storage-chest|Storage chest}} || [[Logistic network/Chests|Logistic Chest]]: Stores [[Items]] currently not requested. Supplies the contained items to the Logistic network. (**) | ||
|- | |- | ||
| {{imagelink|Requester-chest|Requester chest}} || [[Logistic network/Chests|Logistic Chest]]: Will be filled by [[Logistic robot]]s until the configured amount is reached. (**) | | {{imagelink|Requester-chest|Requester chest}} || [[Logistic network/Chests|Logistic Chest]]: Will be filled by [[Logistic robot]]s until the configured amount is reached, or the chest becomes full. Can request multiple different types of items. (**) | ||
|} | |} | ||
(*) At the beginning each robot can carry only 1 [[Items|item]]. This amount can be increased by researching [[Logistic robot cargo]]. | (*) At the beginning each robot can carry only 1 [[Items|item]]. This amount can be increased by researching [[Logistic robot cargo]]. | ||
(**) Logistic chests are also usable for a [[Circuit network]] by using wires | (**) Logistic chests are also usable for a [[Circuit network]] by using wires, like [[red wire]] or [[green wire]]. | ||
== Use == | |||
To start with, just use passive provider- and requester chests. Place the passive provider chests at the output [[inserters]] of [[assembling machine]]s and requester chests at the input (let them request the needed items). Place a [[Roboport]], which covers these chests with the inner orange area. Place some logistic bots. The robots will fly out of the top hatch and will begin to work. You can now limit the number of produced item either with the [[Storage/Stack#Stack limitation|stack limitation]]-feature. | |||
Logistic network is very capable for creating more and more complex items in a relatively small factory-area. Low complexity and high volume activities over longer distances (like smelting) can (and should) be left using belts or railway network. | |||
The basic thing needed are [[Roboport]]s. When placing the port and hover over it, notice an orange and a larger green area. | |||
The basic thing | |||
* The orange zone is the Logistic Network area. This is also the maximum distance for connecting two roboports. | * The orange zone is the Logistic Network area. This is also the maximum distance for connecting two roboports. | ||
* The green zone is the Construction area. | * The green zone is the Construction area. | ||
''For more info on the specifics of how [[roboport]]s work, check the page dedicated to them.'' | |||
=== Expand the logistic zone === | === Expand the logistic zone === | ||
There can be many separate logistic networks. Two roboports are in the same network only if they are connected, as described above. To prevent roboports from linking, the Player needs to build them far enough away from each other so that the orange zones don't touch. | There can be many separate logistic networks. Two roboports are in the same network only if they are connected, as described above. To prevent roboports from linking, the Player needs to build them far enough away from each other so that the orange zones don't touch. | ||
Bots do | Bots do not fly from one network into another, unless requiring a recharge. Robots will never "nest" in a different network. | ||
=== Losing bots === | |||
Logistics robots are a priority target of biters, and will prioritize attacking them over many objects in the vicinity of the robots. Destroyed robots will not be replaced, unless automatic control of the robot creation system is used. | |||
With v0.10.0, the bots are not longer destroyed when running out of energy, but will be reduced to 20% of their speed, which gives them the chance to recharge eventually and a chance for the player to notice the problem. | |||
Pay attention to robotic networks which form some kind of U-shape (where the shortest way between two chests goes over an uncovered area): if a bot runs out of charge in this area, and cannot return fast enough to a roboport, the bot will be significantly slowed and as a result the logistics network will frequently slow down, with large groups of bots slowly flying over the uncovered area. | |||
Robots may run out of charge on longer journeys. When the charging-queue for the bots gets too long, the bots (and their loads) will slow down. Generally, a roboport can charge between 50 and 70 bots per min, 4 at a time, but are not very efficient at charging large queues of bots and can quickly become overworked. Place more roboports near the first one to share the load. | |||
=== Negative numbers === | === Negative numbers === | ||
It is possible to notice negative numbers on the right info panel when looking at network storage. Contrary to common belief, this is intended. | |||
The logistic network numbers report items in provider and storage chests, ''minus the amount of items scheduled to be picked up by robots.'' When negative numbers are shown, it means that more items are being requested than are available in the network. There is a deficit. This can be a problem, or intended, depending on the player's choice. The negative value is just to explain why items aren't being delivered. For example, a deficit of 20 iron plates would look like this: | |||
{{icon|iron plate|-20}} | |||
=== Receiving more items than requested === | |||
The delivered number of items in the requester chest can be higher than requested. This depends from the [[Logistic robot cargo]]-bonus you have researched, since bots will always take as much as they can carry if an unlimited amount is available. | |||
== Priorities of robots == | |||
This overview reflects the priorities in which order the chests are filled/emptied. | |||
This overview reflects | |||
The logistic network looks for orders by the chests in this order: | The logistic network looks for orders by the chests in this order: | ||
* A ''requested'' item is first looked up in the active provider chests, then in the storage chests, then the passive provider chests. So, the active provider chests are emptied first, then the storage chests, then the passive provider chests. | |||
* If robots are free and there is space left in storage chests, and there are unrequested items in an active provider chests, the items are moved from active provider to a storage chest. | |||
* For the storage chests, the bots search for one storage which has the same item already. If that can't be found, they begin using a new storage chest. This is to avoid having storage chests with different items inside, allowing greater organisation. | |||
Storage chests will be filled with items from active provider chests, and construction robots that have had their orders cancelled while they were carrying items. | |||
=== Order of movement === | |||
The bots fulfil '''all requests with the same priority'''. The algorithm looks for the next free robot, then the next request in the queue and after giving orders to the robot, this request is put at the end of the queue, so that first all other requests are done. | |||
== See also == | == See also == | ||
| Line 193: | Line 90: | ||
* [[Robots]] | * [[Robots]] | ||
* [[Transport]] | * [[Transport]] | ||
* [[Roboport]] | |||
* [[Logistic robot]] | |||
* [[Construction robot]] | |||
[[Category:Networks]] | |||
Revision as of 17:44, 7 August 2016
This gif shows how robots can load or unload chests in a train station. The top track is for loading; and there are Requester chests on both sides. The requested items are then filled into the wagons. The second track is the unloading track, the delivered items are filled into Active Provider chests and then put into the Storage chests at the very top and at the center. At the bottom the incoming ores from both sides are moved into Active Provider chests; and then put into the requester chests at the top track. Logistics robots are ideal in train stations, since very high item throughput on a short distance is needed.
A Logistic network (LogNet) is a series of different chests and Logistic robots all covered by one or more Roboports.
Depending on the type and configuration of the chests and area of the Robotic network the robots will transport items between these chests as a power-hungry alternative to moving items manually, or by belts or Railway network. However, robots offer much higher mobility, since they can fly over obstacles.
The player character can also act as Requester chest in the Logistic network with the correct researches, allowing them to 'request' various items be kept at a set limit within their personal inventory. After researching Character logistic slots, they can configure an amount of Items; and Logistic robots will start to move the specified Items from the network to the character's inventory.
Do not mix up LogNet and Circuit network. They share common components, but are otherwise disconnected and do not exchange any information. Also, do not mix up logistic network with construction network or combinations of the two called Robotic network.
Items
 |
Centre of the Robotic network in which the Robots can move and with its coverage forming the logistic network. |
 |
Moves items between Logistic Chests. (*) |
| |
Logistic Chest: Supplies the contained items to the logistic network. (**) |
| |
Logistic Chest: Supplies the contained items to the logistic network passively. (**) |
| |
Logistic Chest: Stores Items currently not requested. Supplies the contained items to the Logistic network. (**) |
| |
Logistic Chest: Will be filled by Logistic robots until the configured amount is reached, or the chest becomes full. Can request multiple different types of items. (**) |
(*) At the beginning each robot can carry only 1 item. This amount can be increased by researching Logistic robot cargo.
(**) Logistic chests are also usable for a Circuit network by using wires, like red wire or green wire.
Use
To start with, just use passive provider- and requester chests. Place the passive provider chests at the output inserters of assembling machines and requester chests at the input (let them request the needed items). Place a Roboport, which covers these chests with the inner orange area. Place some logistic bots. The robots will fly out of the top hatch and will begin to work. You can now limit the number of produced item either with the stack limitation-feature.
Logistic network is very capable for creating more and more complex items in a relatively small factory-area. Low complexity and high volume activities over longer distances (like smelting) can (and should) be left using belts or railway network.
The basic thing needed are Roboports. When placing the port and hover over it, notice an orange and a larger green area.
- The orange zone is the Logistic Network area. This is also the maximum distance for connecting two roboports.
- The green zone is the Construction area.
For more info on the specifics of how roboports work, check the page dedicated to them.
Expand the logistic zone
There can be many separate logistic networks. Two roboports are in the same network only if they are connected, as described above. To prevent roboports from linking, the Player needs to build them far enough away from each other so that the orange zones don't touch.
Bots do not fly from one network into another, unless requiring a recharge. Robots will never "nest" in a different network.
Losing bots
Logistics robots are a priority target of biters, and will prioritize attacking them over many objects in the vicinity of the robots. Destroyed robots will not be replaced, unless automatic control of the robot creation system is used.
With v0.10.0, the bots are not longer destroyed when running out of energy, but will be reduced to 20% of their speed, which gives them the chance to recharge eventually and a chance for the player to notice the problem.
Pay attention to robotic networks which form some kind of U-shape (where the shortest way between two chests goes over an uncovered area): if a bot runs out of charge in this area, and cannot return fast enough to a roboport, the bot will be significantly slowed and as a result the logistics network will frequently slow down, with large groups of bots slowly flying over the uncovered area.
Robots may run out of charge on longer journeys. When the charging-queue for the bots gets too long, the bots (and their loads) will slow down. Generally, a roboport can charge between 50 and 70 bots per min, 4 at a time, but are not very efficient at charging large queues of bots and can quickly become overworked. Place more roboports near the first one to share the load.
Negative numbers
It is possible to notice negative numbers on the right info panel when looking at network storage. Contrary to common belief, this is intended.
The logistic network numbers report items in provider and storage chests, minus the amount of items scheduled to be picked up by robots. When negative numbers are shown, it means that more items are being requested than are available in the network. There is a deficit. This can be a problem, or intended, depending on the player's choice. The negative value is just to explain why items aren't being delivered. For example, a deficit of 20 iron plates would look like this:
Receiving more items than requested
The delivered number of items in the requester chest can be higher than requested. This depends from the Logistic robot cargo-bonus you have researched, since bots will always take as much as they can carry if an unlimited amount is available.
Priorities of robots
This overview reflects the priorities in which order the chests are filled/emptied.
The logistic network looks for orders by the chests in this order:
- A requested item is first looked up in the active provider chests, then in the storage chests, then the passive provider chests. So, the active provider chests are emptied first, then the storage chests, then the passive provider chests.
- If robots are free and there is space left in storage chests, and there are unrequested items in an active provider chests, the items are moved from active provider to a storage chest.
- For the storage chests, the bots search for one storage which has the same item already. If that can't be found, they begin using a new storage chest. This is to avoid having storage chests with different items inside, allowing greater organisation.
Storage chests will be filled with items from active provider chests, and construction robots that have had their orders cancelled while they were carrying items.
Order of movement
The bots fulfil all requests with the same priority. The algorithm looks for the next free robot, then the next request in the queue and after giving orders to the robot, this request is put at the end of the queue, so that first all other requests are done.