Minecraft 1.18.2
Titanium 3.5.6-38
Functional Storage 0.0.18

[FunctionalStorageConfig]
#Armory slot amount
#Range: > 1
ARMORY_CABINET_SIZE = 4096
#Linking range radius
DRAWER_CONTROLLER_LINKING_RANGE = 25

The controller still won't link to any drawers outside the default 12 range.

Literally minutes later, found the issue. I somehow accidentally set the Linking Tool to remove mode immediately after editing the config. On a related note, when using a Linking Tool in remove mode, the message "Linked drawer to the controller" prints, which may have resulted in my confusion as to why I couldn't link the drawers. Perhaps change the message to "Unlinked drawer from the controller" instead.