Applied Energistics 2 Import Bus

The Applied Energistics 2 Import Bus is a fundamental component for automating item processing and storage within your Minecraft base. Understanding its functionality unlocks significant efficiencies in managing resources and crafting complex items. This guide focuses on practical applications of the Import Bus, helping you streamline your workflows and optimize your AE2 network.

Understanding the Basics

An Import Bus, when attached to a compatible inventory, pulls items from that inventory and inserts them into your AE2 network. Its primary function is to act as an automated bridge, continuously transferring items from external sources into your digital storage.

To get started, you will need:

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An Import Bus.
An ME Network, including an ME Controller, cable, and either ME Drive or other storage medium.
An inventory to import from (e.g., a chest, furnace, or machine output).
Power to your AE2 network.

Attach the Import Bus to the inventory you want to import from. Connect the Import Bus to your ME network via ME Cable. Supply power to your AE2 network for the Import Bus to function.

Practical Applications

Automated Ore Processing

Set up an automated ore processing system. Connect the output of your ore processing machines (e.g., pulverizer, furnace) to an Import Bus. Configure the Import Bus to only import the processed materials (e.g., ingots, dusts). The Import Bus will continuously pull the processed materials from the machine's output and store them in your AE2 system. This automates the transfer of processed ores, eliminating the need for manual collection and insertion.

For example, if you have a pulverizer that outputs dust, attach the Import Bus to its output slot. Then, use the configuration GUI of the Import Bus (accessed by right-clicking it) to filter for only the type of dust you want to import. This ensures that only the dust enters your system, preventing other unwanted items from clogging up your storage.

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Farming Automation

Use Import Buses to automate your farms. Whether it's a wheat farm using harvesters or a mob farm with item collectors, Import Buses can pull the harvested resources directly into your AE2 system. This drastically reduces the time spent manually collecting and storing farm outputs.

Consider a tree farm using a tree farm machine. Attach an Import Bus to the machine's output inventory. Configure the Import Bus to import logs, saplings, and other resources the tree farm produces. This automatically transfers the harvested wood and replanting materials into your AE2 network, making your tree farm a completely self-sufficient resource generator.

Ingredient Automation for Crafting

Import Buses are essential for automatically feeding ingredients into crafting setups. Connect the output of machines that produce intermediate crafting components (e.g., a machine creating circuits) to an Import Bus. Configure the bus to only import the circuit. This ensures that your crafting recipes always have a supply of necessary ingredients, streamlining the crafting process.

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Imagine a setup where you automatically craft advanced processors. One stage requires crafting basic circuits. Attach an Import Bus to the output of your circuit fabrication machine and filter for the specific circuit type. Your auto-crafting system will automatically have a supply of circuits whenever it needs them.

Managing Buffer Chests

Even if you don't have a fully automated system, Import Buses can help manage buffer chests. If you frequently dump items into a chest, connect an Import Bus to that chest. The Import Bus will automatically transfer the contents of the chest into your AE2 system, preventing the chest from overflowing and keeping your storage organized.

For example, after a mining trip, you might dump all your mined resources into a chest. An Import Bus attached to this chest, configured with a broad filter (or no filter at all) will automatically transfer all the items from the chest into your AE2 storage, saving you the tedious task of manually sorting and storing everything.

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Advanced Tips and Tricks

Using Filters for Specificity

The Import Bus's filtering system is crucial for controlling what enters your network. Use it to specify the exact items you want to import, preventing unwanted items from clogging your storage. You can filter by item type, metadata (damage value), and even NBT data (for items with specific properties). The fuzzy upgrade allows for a more lenient filter, matching items with slight variations.

Prioritization with Multiple Buses

When using multiple Import Buses, consider their relative priorities. AE2 prioritizes buses based on their distance from the ME Controller. If one bus needs to import items before another, position it closer to the controller.

Speeding Up Imports with Upgrades

The Import Bus can be upgraded to increase its import speed. Speed Upgrades directly increase the number of items transferred per tick. The Stack Upgrade significantly increases the number of items moved in each operation. These upgrades are essential for high-throughput systems.

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Controlling Import Rate with Redstone

The Import Bus can be controlled with a Redstone signal. By default, the bus is active when a Redstone signal is not present. You can invert this behavior in the configuration GUI. This allows you to selectively enable or disable the import process based on specific conditions within your base. For example, you could use a Redstone signal to disable an import bus when your AE2 storage is near full capacity, preventing overflow.

Monitoring and Troubleshooting

If an Import Bus isn't working as expected, check these common issues:

Power: Is your AE2 network powered?
Connectivity: Is the bus properly connected to the ME network via ME Cable?
Filters: Are the filters correctly configured? Are they too restrictive?
Inventory: Is the inventory the bus is attached to actually containing items that match the filter?
Capacity: Is your ME system full?
Redstone Control: Is the bus disabled by a redstone signal?

Regularly check your AE2 network's capacity to prevent overflow. A full system will halt all import processes.